Kenwood MDX-G3 User manual
70%
MD PERSONAL STEREO SYSTEM
MDX-G3
SERVICE MANUAL
© 2001-1/B51-5697-00 (K/K) 329
APET
Dressing panel
(A21-3897-03): L
(A21-3926-03): SR
Arm
(D10-3983-04)
Handle
(K01-0127-03): L
(K01-0143-03): SR
Knob ass'y
(K29-7870-04): L
(K29-7918-04): SR
Panel ass'y
(A60-1975-11): L
(A60-1982-11): S
(A60-1986-11): R
In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.
DANGER : Laser radiation when open and interlock defeat-
ed.
AVOID DIRECT EXPOSURE TO BEAM.
L: BLUE, S: SILVER, R: RED
Note: Please contact KENWOOD service in your side if
you want to get the AC power cord.
Plastic cabinet ass'y
(A02-2996-01)
Miniature phone jack
(E11-0399-05)
Rod antenna
(T90-0828-05)
Miniature phone jack
(E11-0399-05)
AC inlet
(E03-0374-05)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
POWER cord (1)
(E30-2927-05)
Remote control unit (1)
Battery cover (A09-1151-08)
(A70-1449-05)
Batteries(R6/AA)
for remote (2)
AM loop antenna (1)
(T90-0865-05)
MDX-G3
2
CONTENTS / ACCESSORIES / CAUTIONS
CONTENTS / ACCESSORIES / CAUTIONS............. 2
EXTERNAL VIEW .......................................................3
DISASSEMBLY FOR REPAIR....................................4
CIRCUIT DESCRIPTION ............................................5
ADJUSTMENT ..........................................................10
WIRING DIAGRAM ...................................................12
PC BOARD .............................................................. 13
SCHEMATIC DIAGRAM .......................................... 16
EXPLODED VIEW ....................................................29
PARTS LIST..............................................................31
SPECIFICATIONS ....................................................39
Contents
Accessories
Operation to reset
The microcomputer may fall into malfunction when a cord is
unplugged and plugged again while the unit is ON or due to an
external cause. In such a case, the microcomputer should be reset
as described below:
Unplug the power cord from the wall outlet and, while holding the
POWER key depressed, plug the power cord again. This initializes
the microcomputer. Note that this clears the previously stored
memory.
Note related to transportation and move-
ment
Before transporting or moving this unit, carry out the following oper-
ations.
1. Remove the CD or MD from the unit.
2. Press the MD 6key.
3. Wait for some time and verify that the display becomes as
shown in the figure.
4. Press the CD 6key.
5. Wait for some time and verify that the display becomes as
shown in the figure.
6. Wait a few seconds and turn the unit off.
Memory backup function
Stored contents which are cleared immediately when power plug is
unplugged from power outlet.
- Clock display(Backed up for 3 min.)
Stored contents which are cleared in at least a day after power
plug is unplugged from power outlet.
¶¶Amplifier section
- Input selection
- Volume control value
- AUX input level
- Tone control levels
- Timer setting contents
¶¶Tuner section
- Receiving band
- Frequency
- Preset stations
- Auto tuning setting
¶¶Cassette deck
- Tape transport direction
- Tape equalizer
- Tape reverse mode
¶¶MD recorder
- Recording mode
- Recording speed
Cautions
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MDX-G3
3
EXTERNAL VIEW
CD/MD HIGH SPEED DUBBING SYSTEM
1
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Rod antenna
(T90-0828-05)
Top cover ass'y
(A52-0920-21): L
(A52-0922-21): S
(A52-0924-21): R
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MDX-G3
4
DISASSEMBLY FOR REPAIR
SP CONNECTOR
X09 (G/7) -CN502
X28-CN1
1
1
1
1
2
1
1
2
2x3
FRONT SIDE
4
3
3
3
5
4
4
FRONT SIDE
FRONT SIDE
FRONT SIDE
x3
1. How to Remove Front Panel
1. Remove 6 screws(1) from the rear side.
2. Remove 2 screws(2) from the bottom side.
3. Slide the front panel frontwards and pull out the connec-
tors and FPC.
4. Remove the front panel from the rear cabinet.
2. How to Remove Top Panel
1. Remove 3 screws(3) from rear side.
2. Remove 3 screws(4) from top side.
3. Remove 3 screws(5).
4. Lift the top cover.
Note: You need to pull out FPC on the rear side of top cover.
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MDX-G3
5
CIRCUIT DESCRIPTION
4. Microprocessor : MN101C49KLA(X09,IC11)
4-1 Microprocessor Periphery Block Diagram
1. Initializing
1-1 Initialization Method
• While pressing the [POWER] key, turn the AC on.
1-2 Initialization Operation
• During the initial operation, the display shows "INITIAL-
IZE "and after that it will be retuned to standby condi-
tion.
• If any mechanisms error occurred, the error indication
is displayed as "ERR" on the display.
1-3 Mechanism Initialization
1CD Mechanism
• If a mechanism error occurred, the error indication is
displayed as "C ERR" on the display.
2Deck Mechanism
• If a mechanism error occurred, the error indication is
displayed as "T ERR" on the display.
3MD Mechanism
• If a mechanism error occurred, the error indication is
displayed as "M ERR" on the display.
• The disc will be unloaded from MD mechanism auto-
matically, if a disc is its in.
P.CH Band Frequency P.CH Band Frequency
1 FM 98.30MHz 16 FM 98.00MHz
2 FM 87.50MHz 17 FM 98.50MHz
3 FM 108.00MHz 18 FM 87.50MHz
4 FM 89.10MHz 19 AM 990kHz
5 FM 90.00MHz 20 FM 97.70MHz
6 FM 87.50MHz 21 AM 531kHz
7 FM 87.50MHz 22 FM 87.50MHz
8 FM 87.50MHz 23 FM 87.50MHz
9 AM 1602kHz 24 FM 87.50MHz
10 AM 999kHz 25 FM 87.50MHz
11 AM 630kHz 26 FM 87.50MHz
12 AM 1440kHz 27 FM 87.50MHz
13 FM 106.0MHz 28 FM 87.50MHz
14 AM 531kHz 29 FM 108.0MHz
15 FM 87.50MHz 30 AM 945kHz
Set Destin- Band Receiving Channel
IF RF
ation Frequecy Range Space
M E1 FM 87.5MHz 108.0MHz 50kHz +10.7MHz 25kHz
M E1 AM 531kHz 1602kHz 9kHz +450kHz 9kHz
2. Tuner Destination
3. Tuner Preset Frequency
X28,IC1
6
3
4
5
51
X09,ED501
X09,IC1
2
X09,IC21
MN101C49KLA
X09,IC22 X09,IC32
6
3
33
22
KEY1,2 X09,A501 X09,S517
DECK MECHA.
(ADR-2176TR3)
DECK SYSTEM IC
DOT DRIVER
(M66004-001FPG)
Vaccume Fluorescent
Display (HNA-16MM30T)
ENCODER
REMOTE
KEY
MD MECHA
MDM-07
SYSTEM IC
(M61510FP)
CD MECHA
(KSM213CDM)
PLL IC
(LC72131)
DSP IC
(MN662748RPMFA)
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MDX-G3
6
CIRCUIT DESCRIPTION
4-2 Key Matrix Input Voltage Value : 4.6V
Input Voltage(V) KEY2(Pin7) KEY1(Pin8)
0.00 0.45 POWER BEST HITS
0.43 1.10 SOUND MD REC
1.13 1.78 AUX TAPE REC
1.81 2.37 SKIP DOWN TUNER
2.41 2.80 SKIP UP CD PLAY/PAUSE
2.84 3.25 STOP MD PLAY/PAUSE
3.29 3.68 MD EJECT TAPE PLAY
3.72 4.22 MENU SET/DEMO
4.24 4.60 KEY OFF KEY OFF
4-3 Voltage Value of Control Port
1Deck Reel Pulse
Input Voltage(V) Active
0.00~1.94 LOW
1.95~2.91 -
2.92~4.6 HIGH
2Tuner Destination(Pin3)
Input Voltage(V) Type
0.00~2.50 J(Japan)
2.51~4.6 M(Asia)
3Voltage Protection(Pin4)
Input Voltage(V) Protection
0.00~2.50 ON
2.51~4.6 OFF
4CD Protection(Pin5)
Input Voltage(V) Protection
0.00~1.49 ON
1.50~3.49 OFF
3.50~4.6 ON
Port No. Port Name I/O Description Active
HL
1 GND Connected to ground.
2 PHOTO I Deck reel sensor input.
3 TYPE I Discrimination of tuner destination.
4 PROTECTION I Detection port for power supply protection.
5 CD PROTECT I Detection port for CD protection.
6 MD BACKV I Detection port for MD back up voltage.
7,8 KEY2,KEY1 I A/D key (1,2) input.
9 KEY3 Unused.
10 VREF+ A/D reference voltage input for the A/D converter.
11 VDD Power supply input (+5V).
12 OSC2 O Main clock output (8.38MHz).
13 OSC1 I Main clock input (8.38MHz).
14 GND Connected to ground.
15 XI I Timer clock input (32kHz).
16 XO O Timer clock output (32kHz).
17 GND Connected to ground
18 MD TXD O MD communication TX (to mecha. u-com RX).
19 MD RXD I MD communication RX (to mecha. u-com TX).
20 NC - Unused.
21 FL SDATA O Data output to FL dot driver.
22 NC - Unused.
23 FL SCLK O Clock output to FL dot driver.
24 FLRESET O Reset output to FL dot driver. Reset
25 FL CE O CE output to FL dot driver.
26 REM I Remote control signal input.
27 MODEL TYPE I Discrimination port for model type. Fixed
28 CD BLKCK I Sub code synchronous signal input.
29 RDSCLK - Unused.
30,31 ENC A,B I Volume encoder (A/B) input.
32 VDD2 - Microcomputer power supply (+5v).
33 RESET I Reset signal input for microcomputer. Reset
34 CE I Back up detection input. AC On AC Off
35 OP/CL SW I Input port of detection switch for CD open/close.
36 SLTSW I CD start switch input.
37 XRST O CD DSP reset output. Reset
38~40 NC - Unused.
4-4 Port Description of Microprocessor
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MDX-G3
7
CIRCUIT DESCRIPTION
Port No. Port Name I/O Description Active
HL
41 VPP - Microcomputer power supply (+5v).
42 MDATA O CD DSP command data output.
43 STAT I CD DSP status signal input.
44 MCLK O CD DSP command clock signal output.
45 MLD O CD DSP command load signal output.
46 SUBQ I CD sub code input.
47 SQCK O Clock output for CD sub code.
48 EEP SDA - Unused.
49 EEP SCL - Unused.
50 HI SPEED - Unused.
51 OPEN - Unused.
52 CLOSE - Unused.
53 MD CE I Detection port for MD back up.
54 MD RST I Reset output from MD mechanism.
55 INI MD SW I Unused.
56 BACK CHK - Unused.
57 BACK ON - Unused.
58 MD IN SW I Load switch input for MD disc.
59 NC - Unused.
60 PLAY SW I Detection switch input of head position for deck.
61 CrO2 SW - Unused.
62 HALF SW I Cassette half switch input.
63 REC F SW I Deck forward recording switch input. OFF ON
64 CPM O Control port of capstan motor for deck.
65 REC R SW I Deck reverse recording switch input. OFF ON
66 SOL O Control port of solenoid for deck.
67 LMUTE O Deck line mute control. ON
68 A/B-1 O Deck recording mute & head select control 1.
69 A/B-2 O Deck recording mute & head select control 2.
70 Bø/¿- Unused.
71 NOR - Unused.
72 BIAS O Control port of bias on/off for deck. ON OFF
73 R/P O Deck recording & playback changeover. Recording Playback
74 BEAT_C O On/off control port of beat cancel for deck. ON OFF
75 NC O Unused.
76 EVCLK O Sound controller clock output.
77 EVDATA O Sound controller data output.
78 ST - Unused.
79,80 NC - Unused.
81 LED STBY GRN O Standby led(green) control port. OFF ON
82 LED STBY RED O Standby led(red) control port. OFF ON
83,84 NC - Unused.
85 CD POWER O CD DSP power on/off changeover control. ON OFF
86 AMP ON/OFF O On/off control port for amplifier circuit.
87 AMUTE O Audio mute output.
88 POWER O Power relay control.
89~92 NC - Unused.
93 ST I Stereo detector input.
94 SD I SD detector input.
95 GND - Connected to ground.
96 PLL DATA O PLL IC data output.
97 PLL CLK O PLL IC clock output.
98 PLL DO I PLL IC data input.
99 PLL CE O PLL IC chip enable output.
100 DAVDD I D/A converter positive voltage.
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MDX-G3
8
CIRCUIT DESCRIPTION
TEST MODE SETTING METHOD
CD MODE CD PLAY Key + AC-ON
MD MODE MD PLAY Key + AC-ON
DECK MODE TAPE PLAY/REVERSE Key + AC-ON
SUB CLOCK OSC STOP Key + AC-ON
DIAGNOSIS
5. Test Mode
5-1 Setting method of the Test Mode
The oscillation diagnosis(existence of oscillation and mea-
surement of period) of a sub clock is performed before the
test mode is entered. If the diagnosis result is OK, the sys-
tem enters the test mode.
If the diagnosis result is NG, the oscillation of the sub clock
is diagnosed again. If the result is OK, the system enters
the test mode. If the diagnosis result is continuously NG 5
times, the system stops with "ERR1"and "ERR2"displayed.
5-2 Cancel of the test mode
• By turning the AC off, the system is initialized and the test
mode is canceled.
• Cancel the test mode only if the power switch is turned
off.
5-3 Contents of the Test Mode
• The muting during mode selection is not controlled in the
test mode.
• During the test mode, it can be operated in a special man-
ner that is defferent from an ordinary operation by using
the keys on the main body, specifically as shown in the
next page.
KEYS DISPLAY OPERATION
CD-PLAY/PAUSE 05 :
(: ) Time Display Tracking-servo on.
(Cyclically changed the mode 03 :
05 and 03 by pressing the key.) ( : )Time Display Tracking-servo off.
CD STOP 01 --:-- Stop the CD operation.
Adjustment value/mean value
(Cyclically changed in the 07 FG/FE FG value /FE value
stop mode only.) 08 FB/FO FBAL value /FO value
09 TG/TE TG value /TE value
10 TB/TO TBAL value /TO value
SKIP UP Ex.01~02 Track No up.
SKIP DOWN Ex.02~01 Track No down.
SKIP UP Normal Indication Play the first track No in the stop mode.
SKIP DOWN Normal Indication Play the last track No in the stop mode.
BEST HITS CD FF search.
The pickup travels outward in the stop mode.
SOUND CD FB search.
The pickup travels inward in the stop mode.
KEYS DISPLAY OPERATION
4 Seconds Recording
If the REC/ARM key is pressed, the system record for 4 seconds.
Then, it rewinds to the REC starting position and plays back automatically.
TAPE REC TAPE If the REC/ARM key is pressed, during the 4 seconds REC operation, the system
records further for 4 seconds, then returns to the starting position of the first 4 seconds
REC operation and plays back.
SOUND Beat-C ON Beat cancel will be on while pressing the sound key.
MENU NORMAL Changeover the EQ. on/off cyclically.
INDICATION
5-5 Deck Test Mode
5-4 CD Test Mode
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MDX-G3
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CIRCUIT DESCRIPTION
KEYS DISPLAY OPERATION
BEST HITS Normal Indication Hi-speed O.T.E.(CDîMD) operation in the stop mode.
FF MD FF search in the play mode.
SOUND DIGITAL or ANALOG The digital and analog can be changed cyclically by pressing the "SOUND" key.
FB MD FB search in the play mode.
STOP 01 -- : -- Stop the MD operation.
MD REC Normal Indication Start the MD recording with LP4 mode.
SET ALL ERASE Stop the MD operation and start operation of ALL- ERASE if disc is recordable.
Mechanism half switches indication The mechanism half switches status are indicated "blank" or "E "on the display.
7th Dot(Display) 1st figure 2nd figure 3rd figure 4th figure
Mechanism FWD REC Inhibit RVS REC Inhibit CrO2(TYPE¿) Cassette Half
Half Switch Detection SW Detection SW Detection SW Detection SW
ON Blank Blank Blank Blank
OFF E E E E
5-6 MD Test Mode
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MDX-G3
10
ADJUSTMENT
No
< 1 >
< 2 >
< 3 >
< 1 >
ITEM
Demagneti-
zation and
cleaning
Azimuth of
the
REC/PLAY
head
TAPE SPEED
(NORMAL)
BIAS
CURRENT
INPUT
SETTING
–
SCC-1727
TCC−153
MTT−114
10kHz,
−10dB
TCC−110
MTT−111
SCC−1727
3kHz
(C)
Connect the
AG to jack.
400Hz: -
20dBs
12.5kHz: -
20dBs
OUTPUT
SETTING
–
(B)
(B)
(B)
DECK
SETTING
Demagneti-
zation:
POWER OFF
Cleaning:
PLAY
PLAY
PLAY
REC and
PLAY
ALIGNMENT
POINT
Recording
head, erase
head,capstan
pinch roller
RVS FWD
Trimming pot
in the motor.
VR 1 (L)
VR 2 (R)
ALIGN FOR
Demagnetize the REC / PLAY head
with the head eraser.Clean the REC
/ PLAY head, erase head,capstan and
pinch roller using a cotton swab slight-
ly damped with alcohol.
Adjust the output to maximum and
adjust the azimuth adjustment screw
for the Lissajours waveform pattern of
the oscilloscope to become close to a
45° straight line.
Fig.1
Fig.1
Check the tape speed so that
3kHz(±2%) is obtained at the center
of the tape.
Record 400Hz and 12.5kHz alternate-
ly, and adjust the bias current adjust-
ment potentiometer for the playback
levels to become the same.
FIG.
ø. CASSETTE MECHANISM UNIT
¿. PC BOARD ADJUSTMENT
Cassette Deck adjustment
Tuner adjustment
AM
ANTENNA
RF VC
CN23
(TAPE Rch),22 pin
X28 CN1
X09(E/7) P301 (TAPE Lch),20 pin
1
2
LD +5V
CN25
12
{
(B)(A)(C)
Fig.1
FM-MPX-SG
FM-MPX-SG POLAR SG
AC voltmeter AG
Dummy antenna
Oscilloscope AC voltmeter
Frequency counter
No.
ITEM INPUT
SETTINGS
OUTPUT
SETTINGS
RECEIVER
SETTINGS
ALIGNMENT
POINTS ALIGN FOR
FIG.
1 TUNING LEVEL
(A)
98.0MHz MONO
1kHz, ±75kHz dev.
37.2dBf (ANT. input)
(B) MONO
98.0MHz
VR301
(X09)
Adjust VR1
and stop at the
point where
ED501(TUNED)
Fig.1
goes on.
FM SECTION : SELECTOR : FM
SYSTEM CONNECTIONS
0dBs=0.775V
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1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
MDX-G3
11
ADJUSTMENT
(d)
(a) Laser Power
Pickup
0.05~0.15 mW
Optical power meter
¶RF signal in test mode (PLAY).
¶Perform the tangential and focusing offset are focused
into one point on the display. The crossing points above
and below the center shall also be looked clearly.
No.
1
ITEM
LASER
POWER
INPUT
SETTING
–
OUTPUT
SETTING
Set the sensor sec-
tion of the optical
power meter on the
pickup lens.
PLAYER
SETTING
Short circuit
OPEN/CLOSE SW.
Press the "PLAY" key
to check that the dis-
play is "03".
ALIGNMENT
POINT
–
ALIGN FOR
On the power from
0.05 to 0.15mw. when
the diffraction grating
is correctly aligned
with the RF level of
0.8Vp-p or more
FIG.
(a)
2LASER
CURRENT Test disc
Type 4
Connect the DC
voltmeter to
CN25(#1 and #2) in
X09
Press the "PLAY" key
to check that the dis-
play is "03" or "05" –220mV to 550mV
Note:
Type 4disc :SONY YEDS-18 Test Disc or equivalent. (KTD-02)
LPF : Around 47kΩ+ 390pF or so.
CD player check
Step 1~2 are in TEST MODE
TEST MODE : While pressing the [CD PLAY/PAUSE] key, turn power on.
RF signal: AC coupled
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
MDX-G3
12
6
1
12
1
1
23
5E35-2720-
1
12
6
1
23
1
E35-2721- 5
E35-2716- 5
1
6
119
1
16
16
E35-2719-
1
5
E35-2722- 5
19 1
1
2
GND
26
1
1
26
1
14
14
1
121
E35-2724- 5
21 1
10
11
10
15
1
2
1
2
1
1
44
1
(BROWN)
(BLUE)
(RED)
(BLACK)
4
11
2
1
2
14
12
1E30-2927- 5
T401
17
1
E35-2723- 5
1
17
1
8
8
1
2
1
2
1
CN3
CN2
CN1 CN5
CN1CN24
CN22
CN21
WH21
CN4CN1
E1 CN53
CN54CN3
CN33CN52
E401
CN32
CN31
P301 to FM ROD
ANTENNA
ANTENNA
to AM LOOP
JIG
for
WH52 SP (L)
SP (R)
J402 PHONE
HEAD-
CN51
TRANSFORMER
POWER
AC POWER CORD
J401
CN2 CN501
WH501
CN502
OP/CL
SW
TEST
POINT
CN23
CN25
for
CHECKING
AUX
INPUT J1
WH51
(D40-1709-
MECHANISM ASS'Y
5)
(X28-3130-00)
CASSETTE
CASSETTE
CD
MECHANISM ASS'Y
(D40-1640- 5)
(X09- ) (D/7)
CD
(X09-6440-21) (A/7)
u-COM
MECHANISM ASS'Y
(D40-1702-
MD
5)
(X09- ) (C/7)
POWER AMP
(X09- ) (E/7)
TUNER
FULL RANGE
(T07-0901- 5)
POWER SUPPLY
(X09- ) (B/7)
(X09- ) (G/7)
DISPLAY UNIT (FL) TACT SWITCH
(X09- ) (F/7)
MDX-G3
(X32-1260-00)
WIRING DIAGRAM
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
13
ACEBD
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
C55
C59
C66
C65 C64
L2
L3
C76
R98
R97
R37
C74
R36
R72
R60
R59
R41
R55
R54
R71
R89
R101
R102
R103
R100
R99
R77
R78
R79
R73
R84
R86
R83
R80
R82
C75
C9
C72
C1
C6
C47
C63
C62
C67
R16
R15
R18
R17
R14
R10
R13
R25
R24
R26
R23
R20
R19
C12
C10
R9
R6
R8
R7
R3
R4
R5
R27
R28
R29
R40
R39
C41
X2
C11
C7
C57
C32
C37
R68
R119
R66
R65
C42
R120
R118
C85
C84
R117
R114
R115 R112
C83
R113
C82
R43
C36
R42
C43
R116
21 1
114
15
28
100
1
25
26
50
51
75
76
10
1
20 11
1
4
5
8
8
116
9
1
25
26
50
51
75
76 100
10
1
20 11
1
26
18
112
25
36
24
13
37
48
BE
B
EBE
B
E
BEB
MODE2
BLUE
RED
RED
WHITE
BLUE
WHITE
RED
BLACK
BLUE
W
E
FWE
SLED+
SLED
FE2
RF
IOP2
VC
FRDT
FWDT
GND
RST
VDD
NC
F
TE1
FE1
SPDL- SPDL+
TE2
VC
IOP1
Q3
Q1
Q2
Q6
Q5
D3
IC3
D2
D1
IC1
IC2
IC7
IC4
IC8
IC5
IC10
D5
D6
CN3
CN1
WH1
WH2
WH3
WH2
WH3
WH1
W50
C18 C17
R122
C23
R4
C24
C21
R25
R9
R10
R12
R11
R13
R14
C22
R105
R117
R116
R112
R111
R110
R104
R103
R102
R101
R109
R26
R20
R19
R16
R15
R18
R17
R8
R6
R7 R5
R3
C2
R2
C1
R1
R24
R23
R22
R21
R120
R118
R119
R107
R125
EB
SG
EB SG
SG
SGEB
EB EBEB
B
E
EB
DD
D
D
Q17 Q18
Q16
Q19
Q6
Q7
Q2
Q13
Q5
Q14
Q1
Q15
C35
X1
C80
C2
C3
C53
L1
L4
R67
R64
R69
R35
R70
R51
R50
R52
R47
R46
R49
R48
R57
R56
R58
R45
R92
R93
R94
R88
R95
R96
R87
R76
R74
R75
R85
R31
C71
C70
C8
C5
C46
C23
C22
C38
C69
C52
C48
C58
C54
C18
R12
R30
R22
R21
C13
C17
C16
C15
C40
C33
C51
L9
C31
W4
C30
C45
W5
C56
C73
C68
C14
C39
R53
W2
R62
W6 L8
R126
R128
W3
C60
C44
W7
OI ADJ
B
E
B
E
E
B
BE
BE
B
E
14
5
8
R122
R129
R123
C88
R125
R127 C89
R121
C86
R124
C87
C81
DISC ID
REC
PLAY
DISC IN
SW
SLT
IC11
Q9
Q8
Q11
Q10
Q7
Q4
D4
IC6
S2
S3
S5
S4
X33-1260-00 A/2 (J70-1452-02)
X33 B/2
S1
GND
GND
GND
RLBIAS
9V
R/P
BEAT-C
VREF
CPM
9V
GND
9V R-PLAY
9V
GND
R-REC
L-REC
MUTE
R-REC
GND
9V
GND
9VW51
W10
W29
W31
W34
W30
W24
W16
W17
W14
W37
W12
R121
W9
W18
W38
W22
W21
W19
W15
W35
W26
W28
W32
W27
R124
W20
L3
L4
W25
W36
W13
C15
C108
C107
C109
W6
W1
W4
W2
C114
C100
W7
W3
W5
W8
R123
W11
C3
C102
C103
C104
C19
C7
C8
C10
C9 C11
C12
C14
C13
C20
W33
L1
C113
L2
C5
R100
C101
C6
C4
R113
C112 R108
C106
R114
R115
C110
C111
C105
C16
VR1
VR2
12
11 1
2
16
1
15
16 30
1
2
22
23
B
B
E
E
BE
EB
EB
BEBE
E3
D4
Q3
Q4
D1
D2
IC1
Q10Q9
Q12
Q11
E2
E1
Q8
CN2
CN1
CN3
X28-3130-00 (J70-1471-11)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
FHJ LNGIKMO
2
1
3
5
7
4
6
R535
R534
R533 1
W551
3
31
45
W552 5
R532
4
W553
64
C508
C506
C507
C509
1
R536
BE
33
32
C512
R525 R519
R515
R516
R537
C501
C502
C42
EB
W179
21
R22
R82
R81
R83
C81
R84
C82
R80R80 R51
R194
C47
R11
L53
R15
W158
C76
C30
C35
R1
C49
R23
C15C15
C19
C5
C17
C13
R182
R183
R12
22
C29
W162
W157
W156
C48
R21
W173
C14
C18
C20
C6
R24
C16
C50
R2
C40
W161
R103
R101 R102
W176
C105
R104
R105
C194
R110
R173
R152
C121
R151
R154
R116
C118
W151
W152
C195
C113
R125
R124
R123
C112
R126
R141
R127
R128
R132
R130
R131
W163
R140
C116
R133
W177
R134
W159
C107
R108
R109
R115
R120
R117
R113
C109
C111
R121
R122
R111
R112
1
R138
R106
C193
R161
R181
R179
R180
100
W178
25
26
C117
R139
C120
50
76
75
51
C106
R145
W175
C119
R142
R148
R149
R153
R155
R147
C110
W171
1C41
C191C191
L55
C37
R19
W172
C39
C43
W180
C44
42
C36C36
C38
R190
3
C190
1
45
R177
R171
R162R162
R178
R172
R176
R168
R167
R169
R170
R165
R166
R163
R160
R164
R156
R158
C429
C447
C440
C439
C433 C434
C426
C425
C450
C451
C452
R335
R336
R335
R336
C330
R301
C347
C326
C329
C327
R317
R303
R302
C310
C353
C321
R311
C320
R309
R310
C307
C345
C355
C349
R320
R337
R312
R313
C319
R306
R305
C314
R304 BE
R307
C346
C317
C323
R308
C305
C309 C316
C302
C348
C324
R356
C303
C301
C313
R315
C335
R325
C328
R326
C341
R334
R331
R333
R332
C337
R329
C339
R328
C331
R321
C338
C344
C343
R330
R327
C342
C333
R324
C340
C407
C409
5
13
4
BE
R210
R232R232
R237R237
C265
EB
C255
R263
R262
R261
R267
C257
R269
R268
R264
R265
C247
C256
C258
R248
R266
C259
C270
R251
R260
R259
R257
R258
R256
R295
R294
EB
R296
21
20
1
IC22
40 41
R255 R252
R254 C251
R211
C252 R212
C211
C212
R281
C287
R273
R272
R274
R287
C262
C261
C264
C263
R271
C284
C288
C280
R276
R275
R282
4
5
R286
1
8
R207R207
C243
C242
R243
61
60
R242
C244
R241
C279
C298
C249
C283
R285
R245
W252
R234R234
C233
C299
C239
R233
R240
C248
R230
R213
C297
W271
R202
R227
C227
C224
C229
C237
C230
18
BE
R229
W250
R225
C223
R224
C236
R238
R223
R221
1
C214
C217
C216
R216
R217
C215
19
C218 R220
R219
26
R201
R215
R214
R218
C213
R206
R205
36
14
W272
R203
R204
113
Q502
Q501
Q503
IC61
D102
IC1
D437
Q101
IC11
IC3
D446
D447
D448
Q301
D301D301
D302
IC51
Q205Q205
Q204
IC24
D202
D29
Q203
D203
IC21
Q201
IC23
65
W502
W501 66
W503 W510
R529
R530
R527
R528
R531
W509
W516
W515
C511
C514
W513
W514
1
R524
R517
R526
W511
W3
1
2
R523
R522
R518
R520
R521
C504 2
C505
31
16 17
C503
R514
R509
R508
R501
8GREEN
TIMER
STANDBY
RED HIT REC
BEST
AUX
R502
MD REC
W508
REC
TAPE
SOUND
R503
SKIP
DOWN
R504
TUNER
R510
CD PLAY/
PAUSE
MENU
DEMO
SET/
R507
R505
PAUSE
MD PLAY/
R511
PLAY
DECK
VOLUME
CONTROL
R512
EJECT
MD
R506
1
POWER
SKIP UP STOP
R513
R20
W64 C114
W46
W20
W42
W41
C83
P1
C84
1
W19
W18
W9
W17
W13
L54
1
L5 6
2
W54
W49
W56
C51
L51
W44
C21
W45
W72
W57
W51
C1
R9
C11
W38
C101
14
R192
R193
20
21
W24
W28
W32
W36
16
2
17
1
W25
W29
W10
W53
C22
W52
W43
W50
C34
W71
W75
C12
C102
GND
I
GO
C115
W11
W40
R136
19
R137
2
1
W6
W8
W14
R114
X1
W4
18
2
1
W7
R119
CE
RST
W76
R129
W22
W5
W31
C108
W55
VDD2
W39
W35
W34 VDD1
X2
R185
C103
W48
W58
R157
W23
W77
W27
W21
R146
W37
R144
W59
W61
26
25
W60
L52
W33
C61
C62
R10
C3
C27
W73
C28
C4
W1
W74
W30
W65
W69
C2
W66
1
W12
23
R186
W70
W63
W2
R159
W26
19
1
15
14
1
1
L
G
MD5V
CD 9V
AVR
AVR
MD5VAV R
TAPE 9V
AVR
W446
W411
W425
W417
W422
W424
C430
W409
C427
W410
W437
R424
W443
W439
W426
W414
W415
R435
R448
R420
R432
R431
C431
C432
C428
R417
R419
R418
W440
R421
R426
R422
W438
R425
C437
C438
W431
W429
C449
W432
W433
R449
W408
W444
W412
C23
W416
W418
W434
W430
W428
W442
W436
W427
W420
W421
W435
W441
W445
R423
C24
C421
C435
C436
C423
C422
110
GR
1
10
P2
1
2
14
15
1
24
5
18 2
EB
E
B
BE
BE
W322
W323
R316
P301
1
L303
FM FRONT END
R319
W312
8
C322
13
AMRF
L301
W302
C312
C311
W303
W304
W306
12
C304
W305
W311
W314
L302
W307
W309
C318
CF303
CF301
W313
R318
W317
W310
C325
W308
C315
10 1
W319
1
1
1
2
2
CF302
W316
W318
24
W324
R314
C308
W321
R323
W328
W326
FM TUNED
ADJ
VR301
W331
W332
12
C332
11
C336
22
PLL
1
1
8
W325
W329
W327
W330
P302
7.2MHz
C334
X301
FM DET/MPX
AM DET
W401
B
K401
W403
E
-30V AVR
C403
W406
W404
W407
W405
1
R404
C406
R409
R408
R407
EB
15
+5.1V AVR
W447
W423
W419
C401
R403
W413
C404
C402
R401
C405
R402
F.OFF
E
B
R405
W402 T401
W227
RF
W211
9V
W202
5V
2
1
W213
W242
R247
DSP
GND
C231
R235
R228
W204
R253
C275
W231
C285
W237
C282
18
C272
19
C246
C278
C271
VREF
W230
C281
W233
BLK
1
C286
C276
LPF
2
AGND
W240
W226
32.8688MHz
W221
W220
5V
C277
X21
W234
AGND
W235
R246
C245
C241
15 16
C220
C232
R236
C235
C234
W217
W215
W201
C240
W229
12
W232
L201
W241
W210
5V AVR
C291
W205
R222
W208
W209
W207
5V
VC
IGO
GND
W216
W212
W203
R291
21
R293
MGND
MGND
VC
RF
C293
MGND
GND
RF
VC
W219
C228
C226
W222
W214
W223
W225
W236
C221
4CHDRIVER
W218
C205
C206
VC
RF AMP
W238
W239
1
VCC
LD
6
CN502
ED501
D501
CN501
A501
S508
S516
S515
D510
WH501
D511
S503
S501 S502 S504
S505
S506 S507
S509 S510 S511 S512 S514
S513 S517
WH1
E1
J1
CN4
D103
CN3
D104
IC12
CN2 CN1
X09-6440-21 A/7 (J70-1470-21)
CN5
WH51
D440
D441
Q412
Q411
D428
D427
Q405
D429
D431
D432
D433
D430
Q406
IC54
D435
D434
D436
D422
WH52
PHONES
J402
CN54
IC53
E401
CN53
D421
IC52
CN52
CN31
A301
CN32
AM ANTENNA
IC31
D303
IC32
CN33
WH56
Q401
D407
X09 B/7
X09 F/7
X09 C/7
X09 D/7
X09 E/7
X09 G/7
WH56
AC IN
AUX IN
WH55
D425
D423
D426
D424 D410
D411
Q403
CN51
D412
D442
D408
D409 D443
D445
D444
D402
D405
D404
Q402
D403
D406
WH55
J401
CN24
WH21
CN21
WH22
D201
IC25
CN23
D205
CN22
CN25
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Component side view)
14 15
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
ABDFHJCEG I
2
1
3
5
7
4
6
48
47
46
45
44
43
42
41
40
39
38
37
13
14
15
16
17
18
19
20
21
22
23
24
MORFO
MORFI
RFO
OPN
OPO
ADD
COMPP
COMPO
AGCI
RFAGC
RF
PEAK
GND
TEMPI
TEMPR
SWDT
SCLK
XLAT
XSTBY
FOCNT
VREF
EQADJ
3TADJ
VCC
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
I
J
VC
A
B
C
D
E
F
PD
APC
APCREF
BOTM
ABCD
FE
AUX
ADFG
ADAGC
ADIN
ADFM
SE
CSLED
TE
WELAD
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TRK-
TRK+
FCS-
FCS+
K
PD
VR
MOD
ILCC
LD-GND
VCC
J
B
A
VC
I
F
C
D
E
VEE
1
2
3
4
5
6
7
8
9
10
TE1
TE2
FE2
FE1
RF
TP1
TP2
F
E
VC
1
2
3
4
5
6
7
8
9
10
DO0
DO1
XWE
XRS
A9
A0
A1
A2
A3
VCC
20
19
18
17
16
15
14
13
12
11
GND
DO2
DO3
XCA
XOE
A8
A7
A6
A5
A4
0.1
0.022
10K
0.01
10K
0.22
0.022
C59
470K
R86
10K
R77
1000P
C55
R76 100K
R72
13K
13K
R73
C54 0.022
100K
R75
56K
R71
C68 0.068
C67 4700P
R78 100
C66 1
100
R82
43
51
2
1K
R101
10K
R99R100
47K
R102
1K
1K
R103
C74 1
L3 L2
C72 0.1
2.2
R98 1
R97
1/2W
C75 0.1
R96 100K
C71 0.1
680
R94
4.7K
R95
4.7K
R93
8
5
6
7
9
3
4
3
9
8
9
8
3
3
7
9
8
4
5
6
10u16
C60
+
7
6
7
6
Q11
12
11
12
11
Q11
32
34
36
37
38
31
44
43
39
43
44
38
40
33
36
31
32
34
37
39
0.47
C7
100K
R14
100P
C10
680K
R15
C11 0.47 3.3K
R18R17 1K
R19 1K
150
R20
0.015
C12
0.1
C13
75
74
94
91
92
93
R80
100 560
R79
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
4.7
C40
82
81
80
99
79
78
81
80
83
82
85
89
88
86
R21 10K
R22 10K
C18 0.01
R23 100K
82
90
91
89
88
87
83
85
84
98
81
78
97
R8 10K
R10 10K
R4 220
220
100u6.3
+
3
2
1
4
5
11
14
13
12
75
74
67
66
65
64
63
79
R16 C9
4700P
L4 68
1/4W
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
A/D
CONVERTER
ANALOG MUX
ADIP DECODER
AUTO
SEQUENCER
EFM/ACIRC
ENCODER/DECODER
COMP
PLL
DIGITAL
AUDIO
SAMPLING
RATE
SERVO
DSP
PWM
GENERATOR SPINDLE
ATRAC
SERVO
I/F
4
CONVERTER
ENCODER/DECODER
4
12
BLOCK
CPU I/F
CONTROL
MONITOR
MEMORY CONTROLLER
SHOCK RESISTANT
PROCESSOR
SUBCODE
GENERATOR
CLOCK
BLOCK
BLOCK
68
64
65
67
66
63
100
C8
0.1
33
R5 220
R6 220
40
51
50
51
50
C3
L1
+
100u6.3
C2
C5
0.1
28
27
R9 10K
96
92
2.2K
R85
C42
470P
3.3
R70
49
48
46
47
45
78
46
45
47
49
48
R25 100
R26 100
+3.5V+3.5V+3.5V
+3.5V
+3.5V+3.5V
+3.5V
+B +B
+3.5V
+3.5V
+B
+3.5V
+B+B
+3.5V
+B
+B
+B
+B +B
+B +B+B+B
+B 0.1
C1
+B
+B
+B
+B
+B
+5V
+5V +5V
+5V
+B
+B
29
Q3
Q3
97
100
B
+B
83
+B
N.C N.C
HVDD
REGOUT
REGNF
VOS2
REGDRV
VREG
VG
REGSEL
REGGND
VOD1
VOS1
VOD2
HGND
EFM
PDGND
VDD
MUTE
N.C
SPDL+
SPDL-
SLED+
SLED-
LOAD M+
LOAD M-
15
16
18
17
C85
18K
1500P
R118
100K
R120
R119
100K
1500P
C84
18K
R117
R114
100K
22K
1500P
C83
R112
100K
R115
1500P
C82
22K
R113
91
92
94
93
1
2
4
3
5
15
17
18
16
41
+B
0.1
C23
R3
10P
C14
+B
+B
+B
+B
C76
0.47
C69 0.022
1
3
2
4
8
7
6
5
18K
R43
10
C41
13K
R42
16
16
XOUT CLX1
XIN VDD
VSS CLK2
SEL1 SEL2
X1
R12
3.3
0.1
C22
90.3168MHz
W4 W3
IC11
C43
470P
9
10
3
3
W5
1
C62
C64
R84
C63
R83
C65
470K
R88
3.3M
R87
0.01
C58
4.7K
R89
+B
C56
W2
1
C73
C52 0.1
C51 10u16
+
L8
HEAD1
HEAD2
CN3
D3
Q1
Q5 Q6
Q2
Q4
Q3
Q11
(KMS-260B)
PICKUP
BLOCK
RF AMP
HEAD
DRIVER
EN/DECODER
ACIRIC
ATRAC
4M DRAM
REC
IC1 : CXD2662R
IC2 : CXA2523AR or
IC5 : LC32S4400T-10
IC6 : RC1117ST
IC7 : S-24C02BFJ-TB or
IC8 : BD7910FV
IC10 : AK4550VT
IC11 : C6006AZ
Q1 : UMW1N
Q2,9 : 2SA1576A(R,S)
Q3 : 2SB798-DL
Q4,11 : DTA144EUA
Q5,6 : DTC114YUA
Q7 : DTA124EUA
D1,2 : FS1J6TP
D3,4 : MA111
ADJUSTMENT
APC
BR24C02F
SHOCK PROOF
LD
CHANGE
-OVER
D1
D2
ON/OFF
LD
OPTICAL
DIGITAL
DIGITAL LINE
GND LINE
SIGNAL LINE
B LINE
B LINE
Q8,10 : DTC124EUA
D5,6 : S1B
CLOCK
GENERATER
D5
D6
CXA2523AR
IC3 : HD6432227N14FA
BA5984FPIC4 :
M
M
M
to HEAD
IC2
IC1
IC5
IC8
(X33-1260-00) (A/2)
IC11
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
2.1V
2.1V
0.2V
1.8V
3.3V
3.0V
3.5V
3.3V
3.3V
3.3V
3.5V
0.4V
3.5V
0.4V
1.7V
1.7V
1.8V
3.3V
1.7V
2.6V
0.1V
2.0V
1.7V
0.3V
1.4V
1.3V
1.6V
1.3V
0V
0.3V
0.3V
2.3V
1.3V
1.9V
1.1V
1.8V
3.4V
3.0V
0V 3.3V
3.5V
3.3V
1.6V
1.4V
0.8V
1.6V
3.3V
0.9V
0.8V
0V
3.3V
3.3V
3.3V
0V
3.2V
0V
1.5V
3.2V
3.3V
0V
3.3V
3.3V
3.2V
3.2V
3.1V
0V
3.3V
3.3V
3.3V
0.1V
0.8V
3.3V
3.3V
0.2V
0.2V
0.4V
0V
3.3V
0.2V
0.3V
0V
0V
0V
1.7V
1.7V
1.4V
1.7V
2.0V
1.8V
3.5V
0.3V
1.1V
2.0V
2.0V
1.6V
1.6V
0.4V
1.8V
3.5V
1.7V
1.7V
3.3V
3.5V
0V
3.3V
0.1V
0.1V
0.1V
0.1V
2.7V
5.0V
0.2V
0.2V
2.7V
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
TKMOQSLNPR
MDX-G3
Y39-3740-21
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
CE
MODE2
FWE
EXTAL
VSS
XTAL
VCC
STBY
NMI
RESET
MODE1
MODE0
AVCC
VREF
SCL
SDA
VCC
VSS
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
CTXD
CRXD
DQSY
SQSY
XLAT
SWDT
SRDT
SCLK
HMUTE
SENS
MNT3
MNT2
MNT0
MNT1
XINT
TX
RECP
XRST
LDON
RMS
IDSW
HEADPOS
MODEL SUB
DISCINSW
SLTSW
AVSS
LOADM-
LOADM+
EMPHA
ADDARST
MUTE
POWER
(FRDT)
V/H (FWDT)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26 H+5V
HGND
+3.5V(OUT PUT)
BACKUPV
CTXD
CRXD
BACKON
CE
MECHARST
AINR
DGND
AINL
NC (MUTE)
DGND
AGND
AOUTR
+5V
AOUTL
DISC IN SW
DIN1
M+5V
DIN2
M+5V
MGND
DOUT
MGND
8
7
6
5
4
3
2
1
SDTO
DEM1
DEMO
VDD
VSS
AINL
AINR
VCOM
9
10
11
12
13
14
15
16
SDTI
LRCK
MCLK
SCLK
PWAD
PWDA
AOUTL
AOUTR 2200P
X2
10MHz
3.3K
R45
87
88
89
90
91
92
84 R67 47K
R57 47K
R56 47K
0.1
C46
6
7
8
5
2
1
4
3
39
38
10K
R60
10K
R59
0.1
C47
R37 100
R40 470
0.1
10u16
C35
+
+
10u16
R65 100
R66 100
1K
R51
41
40
R53 470K
R52 470K
C48 0.1
R49 4.7K
76
77
R35
+B
+B
+B+B
+B+B
+B
+B
+B
+B
+B
+B
+B
+B
R55 470K
R54 470K
R48
R47
78
81
82
85
83
77
76
98
96
R24 100
47K
100
99
97
47K
75
59
75
C39
C38
0.1
C36
1
+5V
+3.5V
+5V
+5V
+5V
4.7
R46
100u6.3
C45
+
R50 100
+3.5V
+3.5V
+3.5V
+3.3V+3.3V
+5V
59
+5V
+5V+5V+5V
97
2200P
R68 47K
R36
15
16
17
18
19
20
21
22
23
24
25
26
27
28
14
13
12
11
10
9
8
7
6
5
4
3
2
1
18K
R124
390P
C87
100K
R122
100K
R123
390P
R121
18K
C86
100K
R128
R126
18K
C89
390P
100K
R127
C88
R125
18K
390P
89
88
86
85
510K
R129
27
28
29
+3.5V
39
38
31
14
9
12
10
11
13
40
31
0.1
C81
100u6.3
C80
+
R39 470
C32
C37
MODEL TYPE
0.1
C57
+B
+B
+5V
R41 220
IOP1
IOP2
+3.5V
IC10
R69 47K
WH11
2WH2
3WH3
47K
R64
W6
R58 47K
47K
R62
1
R116
LOADING
DRIVER
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
MUTE
LEVEL SHIFT
FWDREV
OPIN1 (-)
OPIN1 (+)
OPOUT1
OPIN2 (+)
OPIN2 (-)
OPOUT2
VCC
VOL(-)
VOL(+)
VO2(+)
VO2(-)
VO1(-)
VO1(+)VO4(+)
VO4(-)
VO3(+)
VO3(-)
GND
BIAS
MUTE
OPOUT3
OPIN3(-)
OPIN3(+)
OPOUT4
OPIN4(-)
OPIN4(+)
+5V+5V
23
23
S5
4
VCC
FRDT
8
GND
FWDT
76
RST
5
MODE2
2
FWE
3
NC
1
66
67
+B
59
66
67
59
+3.5V+3.5V+3.5V
+3.5V
+3.5V
+5V
C30 10u16
IN
+
1
ADJ
OUT C31
R31
100u6.3
360
R30
200
2
+
3+3.5V
+3.5V +3.5V
+3.5V
+3.5V
100
+3.5V
+3.5V
CN1
Q8
Q9
Q10
MD MECHA.
u-COM
BUCK-UP
SL/SP MOTOR DRIVER
FOC./TRA.DRIVER
A/D,D/A
CONVERTER
DIGITAL IN
E2PROM
X09-A/7
3/3
-CN4
RESET
Q7
S5
D4
REC IN (Rch)
ANALOG
S4
PROTECT
REFRECT
S1
S2
S3
SLT
REC
PLAY
ANALOG
OUT (Lch)
BACK
UP
SWITCH
DISC
SW
3.5V AVR
IN
IC3
IC4
IC10
IC7
(X33-1260-00) (A/2)
MDX-G3 (1/3)
A
(B/2)
IC6
2.5V
2.1V
2.2V
2.4V 2.3V
2.2V
2.6V
1.9V
0V
5.0V
1.9V
1.4V
1.4V
1.8V
1.5V
1.5V
3.3V
1.8V
3.3V
1.5V
1.5V
1.8V
1.5V
1.5V
3.3V
3.3V
3.3V
3.3V
1.6V
1.6V
1.5V
0.9V
1.6V
3.3V
1.6V
1.7V
0.8V
1.6V
1.6V
5.0V
3.5V
3.3V
2.3V
1.1V
3.5V
3.5V
3.5V
3.3V
3.3V
3.3V
3.3V
0V
3.3V
0V
0V
3.5V
3.3V
1.9V
3.3V
0.9V
3.1V
REC : 0.3V
3.2V
3.2V
3.3V
3.3V
3.2V
3.3V
3.2V
0V
3.3V
3.3V
0V
0V
3.3V
3.3V
3.5V
3.3V
3.3V
1.6V
1.3V
3.3V
3.3V
3.3V
3.5V
3.5V
3.5V
4.9V
5.0V
5.0V 5.0V
CAUTION: For continued safety, replace safety critical
components only with manufacturer's recommended
parts (refer to parts list). indicates safety critical com-
ponents. For continued protection against risk of fire,
replace only with same type and rating fuse(s). To reduce
the risk of electric shock, leakage-current or resistance
measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the
appliance is returned to the customer.
The DC voltage is an actual reading measured with a
high impedance type voltmeter. The measurement value
may vary depending on the measuring instruments used
or on the product. Refer to the voltage during RECORD-
ABLE MD PLAY unless otherwise specified; The value
shown in ( ) is the voltage measured at the moment of
STOP. The voltage followed by (REC) refers to the value
during MD RECORDING.
2SC2878
2SC3940A 2SA1175
2SC2785
DTA124ESA
DTC143TSA
KRC103M
UN4112UN4212
UN4216
DTA144EUA
DTC114YUA
UN5111
2SA1576A
2SD1819A
KTC3205 2SB798-DL
2SC4081 DTA114EUA
DTA124EUA
DTC124EUA
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
UVXZABADWYAAAC
2
1
3
5
7
4
6
1
2
3
4
5
6
L-PLAY
L-REC
R-REC
R-PLAY
GND
ERASE
12
11
10
9
8
7
6
5
4
3
2
1
SOL
PHOTO
PLAY-SW
CPM+
NC
NC
NC
COMMON
CrO2-SW
PACK-SW
REC-F-SW
REC-R-SW
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TA +9V
L-PLAY-OUT
TA MGND
R-PLAY-OUT
NC
L-REC-IN
TA-SIG-GND
R-REC-IN
BEAT-C
R/P(H=REC)
BIAS(H=BIAS ON)
NOR(H=NOR,
SJ3MD ONLY)
A/B(L=PLAY)
LINE-MUTE
SOL
PHOTO
REC-R SW
CPM
REC-F SW
HALF SW
(SJ3MD ONLY)
PLAY SW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
VEF
GND
BIN-R
AIN-R
PBNF-R
PBEQ-R
EQOUT-R
TAI-R
PBOUT-R
MAI
MAOUT
IREF
RIN-R
RIP
ROUT-R
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
REC-RET
BIN-L
AIN-L
PBNF-L
PBEQ-L
EQOUT-L
TAI-L
PBOUT-L
BI/II
A/B
A120/70
MUTE
RIN-L
VCC
ROUT-L
47K
R118
R119
47K
750
R124
2.2K
R120
750
R121
47K
R125
L3
8200P
C111
47u25
C110
+
R115 2.2
1/4W
R114
2.2
1/4W
0.018
C109
4700P
C108
10K
R112
R111 10K
C107 4700P
10 1/4W
R113
C106 10u50
+
R110 18K
R122
3.3K
1.5K
R108
10K
R107
R4
8200P
C4
7.5K
R8
10K
5.1K
R6
0.039
C6
22K
1u50
+
10u50
+
C13
10u50
+
C14
15K
R15
15K
R16
L1 10mH
C15 220P
L2 10mH
C16 220P
680P
C1
220K
R1
R2 220K
C2 680P
10K
R17
10K
R18
330K
VR2
VR1
330K
220P
C17
47K
R19
220P
C18
47K
R20
1M
R21
1M
R23
1M
R22
1M
R24
R3 10K
C3 8200P
R7 7.5K
R5 5.1K
C5 0.039
10uH
L4
1u50
C105
+1 1/4W
R123
+
4.7u50
C103
4.7u50
C104
+
R105 10K
4.7 1/4W
R100
C100 +
4.7u50
C11
+
5.6K
R9
10u50
C7
+
C19 4.7u50
+
100u10
9
10
18
4.7u50
+
5
4
6
2
3
1
7
8
2
1
100u10
C114
+
W51
4.7u50
+
C12
5.6K 10u50
+
R10 C8
0.22u50
C9
+
4.3K
R13
2.7K
R11
2.7K
R12
R14
4.3K 0.22u50
C10
+
14
18
20
R25 1K
R26 1K
C21 4700P
C20
R101
C101
C22 4700P
VH02 ONLY)
BI/II(L=TYPE I,
(H=MUTE ON)
CrO2 SW
+B
9
3
1
2
6
4
5
7
8
12
10
11
6
5
4
3
1
2
SOL
2.2K
10K
MATSUSHITA
MTR
14
20
+9V
+9V
+9V
+9V
+9V
+9V+9V
8
3
4
5
6
7
9
10
E3
E1
E2
R103 100
R104 10K
W50
+B
+B
+B
+B
+B
CN3
CN2
CN1
Q2
Q1 D4
Q3Q4
Q9
Q10
D2
Q6
Q5
Q8
Q17 Q18
Q15 Q16
Q19
3/3
X09-A/7
CN5
IC1 : HA12230NT
Q1,2 : 2SB1424(Q,R)
Q4 : KRC103M or
UN4212
Q5,6,19 : DTC124EUA or
UN5212
Q8 : KTC3205 or
2SC3940A(R,S)
Q9,10 : KTC3199(Y,GR) or
2SC2785(F,E)
Q15-18 : RK7002
D1,2 : 1SS133 or
HSS104A
D4 : S5688B(TPB5)
B LINE
GND LINE
SIGNAL LINE
DIGITAL LINE
E HD
Rch
Lch
R/P HD
Q3 DTC143TSA or:
UN4216
D1
BIAS (Lch)
BIAS (Rch)
IC1
(X28-3130-00)
MDX-G3 (2/3)
B
REC : 4.0V
PLAY : 0V
4.5V
4.5V
4.5V
4.5V
REC : 8.0V
PLAY : 4.0V 4.5V REC : 4.5V
PLAY : 0V PLAY : 0V
STOP/REC : 4.2V
4.5V
REC : 4.2V
8.9V
PLAY : 4.5V
9.0V
4.3V
4.5V
1.2V
4.5V
4.5V
REC : 4.2V
PLAY : 4.5V
4.5V
4.5V
4.5V
4.5V
REC : 4.5V REC : 8.9V
REC : 5.2V
REC : 4.0V
STOP : 8.7V
PLAY : 8.3V
STOP : 8.7V
PLAY : 8.2V
STOP : 0V
PLAY : 4.6V
MDX-G3
Y39-3740-21
CAUTION: For continued safety,
replace safety critical components
only with manufacturer's recommend-
ed parts (refer to parts list). indi-
cates safety critical components. For
continued protection against risk of
fire, replace only with same type and
rating fuse(s). To reduce the risk of
electric shock, leakage-current or
resistance measurements shall be
carried out (exposed parts are
acceptably insulated from the supply
circuit) before the appliance is
returned to the customer.
DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Noise
reduction circuit made under license from Dolby Laboratories Licensing Corporation.
The DC voltage is an actual reading measured with a high impedance type voltmeter with a cassette
loaded at playback mode. The measurement value may vary depending on the measuring instru-
ments used or on the product. Bias circuit DC voltage is measured while in the record mode.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
AE AG AI AK AMAF AH AJ AL AN
2
1
3
5
7
4
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VC
VCC
E
D
A
B
C
F
LD GND
LD
VR
PD
FCS(+)
TRK(+)
TRK(-)
FCS(-)
2
1
SW GND
OP/CL SW
1
2
LD
VCC
1
2
VC
RF
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
PDAC
PDBD
PDF
PDE
PDER
PDFR
TBAL
FBAL
FE-
FEOUT
TE-
TEOUT
CROSS
TEBPF
VDET
LDOFF
VREF
ENV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
PD
LD
LDON
LDP
VCC
RF-
RFOUT
RFIN
CAGC
ARF
CENV
CEA
CSBDO
BDO
CSBRT
OFTR
RFDET
GND
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
BBYTCK
CLDCK
FCLK
IPFLAG
FLAG
CLVS
CRC
DEMPH
RESY
IOSEL
TEST
AVDD1
OUTL
AVSS1
OUTR
RSEL
CSEL
PSEL
MSEL
SSEL
BCLK
LRCK
SRDATA
DVDD1
DVSS1
TX
MCLK
MDATA
MLD
SENSE
FLOCK
TLOCK
BLKCK
SQCK
SUBQ
DMUTE
STAT
RST
SMCK
PMCK
LDON
BDO
RFDET
TRCRS
OFT
VDET
RFENV
TE
FE
TBAL
FBAL
VREF
FOD
TRD
KICK
ECS
ECM
PC
TVD
TRV
XVDD
X2
X1
XVSS
SBCK
SUBC
VCOF2
PCK/DSLB
EFM/CK384
AVSS2
AVDD2
VCOF
PLLF
DSLF
DRF
IREF
ARF
WVEL
PLAY
PLLF2
26
25
24
23
22
21
20
19
18
17
16
IN3
IN4
VREF
SVCC
STANDBY
PGND2
PVCC2
VO4+
VO4-
1
2
3
4
5
6
7
8
9
10
11
IN2
PC2
IN1
PC1
RSTOUT
PGND1
PVCC1
VO1-
VO1+
R201 47K
R202 68K
R203 68K
R205 68K
R204 68K
R206 47K
31
32
33
34
35
36
37
38
39
40
30
R259 33K
R260 150K
R257 10K
R258 100K
R254 33K
270K
R251 18K
R256
6.8K
R255
3
4
VCC
6
5
7
2
1
GND
8
C287
12P
C275
5600P
1200P
C277
R275
2.2K
R271
2.2K
10P
C288
2.2K
R276
2.2K
R272
1200P
C278
100K
R273
100K
R274
5600P
C276
C283
47P
C284
100P
C280 C279
100u10
+
R285 10KR286 10K
+
C285 100u10
2.2K
R281
2.2K
R282
C281 1500PC282
1500P
3.3u50
+
C271
3.3u50
+
C272
OUTIN
GND
4.7
R291
C297 0.01
10u50
+
22
R287
16
14
15
17
L201 10uH
R207 91
C211 0.1
C212 0.1
R215 56K
C213 330P
R218 68K
C214 220P
100
R214
10
R213
R216
39K
R217
100
R211
330K
330K
R212
37
33
32
30
31
35
34
C217R219
47K 0.022
100K
R220
0.022
C216
0.033
C218
C206 100u10
+
38
36
39
C230 2200P
C229 4700P
C228 0.022
C227 2200P
820K
1u50
+
0.33
6.8K
R223
R230 2.2
C237 47P
100u10
+
C205
R224
4.7K
R225
10P
C224
5P
C236
56K
R238
100K
R237
40
1K
R222
C220 100u10
+
R221
10
C221 100u10
+
R210 1
6.8K
C223
R229
C226
22
25
29
28
27
16
17
3300P
C251
R252
1K
C252
0.022 28
29
25
27
22
10
11
C231 1000P
C261
10P 10P
C262
100u10
+
C246
22
R246
15P
C263
C264
15
14
13
9
8
7
R266 100
R269 100
R268 100
C258 47P
C259 47P
R265 1K
C256 100P
C257 47P
R264 100
R263 100
R267 330
17
R262 100
C255
0.1
18
1K
R261
4.7K
R296
4.7K
R295
R294
100K
+5V
1K
R293
+9V
+9V+9V
R233 56K
R232 100K
R234 33K
C233 0.022
C232 0.022
R235 1M
C234 0.56 R236 220
C235 1200P
R240 10
C248 47P
C239 0.01
C240 100u10
+
2.7K0.33u50
+
R245 4.7
C249 100P
750K
R253
15P
10P
C265
22
R248
10K
R247
0.1
C247
33P
C270
47u25
+
C245
C242
15P
C243
12P
1M
R243
330
R242
1000P
C244
C299
C298
+5V
WH22
1
2
10
9
8
7
6
5
4
3
2
1
STEREO
SD
R
GND
L
+9V
PLL DO
PLL CLK
PLL DT
PLL CE
1
2
3
4
5
6
7
8
ANT1
ANT2
GND
GND
VT
VCC
IFOUT
OSC
24
23
22
21
20
19
18
17
16
15
14
13
FMIFIN
MIXOUT
VSTB
AMIFIN
QUAD
FMDETOUT
AMDETOUT
MPXIN
FM/AM
MONO/ST
BLENDER
L OUT
1
2
3
4
5
6
7
8
9
10
11
12
AMRF IN
FMBW
FMVLSENS
AMOSC
AMOSCOUT
VCC
AGC
GND
IFOUT
SD
ST
R OUT
22
21
20
19
18
17
16
15
14
13
12
XOUT
VSS
AOUT
AIN
PD
VDD
FM IN
AM IN
NC
IF COUNT
IF IN
1
2
3
4
5
6
7
8
9
10
11
XIN
NC
CE
DI
CL
DO
AM
DE-EMPHASIS
MONO
FM
ATT
L301
R301 1K
C327 1
C326 1
C328 330P
C347
C353 0.01
1uH
L303
1
R302
4P
C330
R303 330
R318 120 1/4W
R317 220
R320 100K
R319 10K
C329 0.01
100P
C355
100
R304 R306
100
R305 510
L302
C345
CF303
47P
C301
10K
VR301
27K
1u50
+
C313 0.1
C314 330P
C315 47U25
+
C317 0.022
C316 100P
0.02236K
R308 22K
C319R312
27K
R313
2.2u50
C318
+
2.2K
R337
0.01
C346
C322
1u50
+
R311
2.2K
C321 0.47
C320 0.1
15
16
0.1
100P
C349
R307 10K
C303
C302 150P
1M
R356
C304 1u50
+
3
4
5
6
11
10
C309 0.015
R309 5.1KR310 5.1K
C310 0.015
C305 22P
C307 1
3.3K
R336
3.3K
R335
10
11
180
7.2MHz
LW/SW
16
15
C339
100P
R329
1K
2.2K
R328
C331
C342 100P
C343 100P
C344 100P
C340
12P
C341
10P
R325
5.6K
R324
100
R323
1/4W
330
C332 10u50
+
C333 0.01
+
C334 47u25
47P
1K
R327 R326
1K
C335 0.022
+
4.7u50
C336
R331
1K
R332 3.3K
R333 3.3K
R334 3.3K
6
4
3
5
+9V
+9V
+9V
R315 680
CF301
CF302
C308
R314
2.2u50
+
C312
2.2u50
+
C311
1/4W
1000P
R316
C323 1000P
C324 0.01
C348 0.01
C325 47u25
+
VR301
IC31
330P
to FM ROD
ANTENNA
to AM LOOP
ANTENNA
P301
R321 1K
10K
R330
470P
C338
C337 100P
+9V
+9V
+B+B
+B+B
+B
+B
+B +B
+9V
+B
+B
+B
+B
1W
C291
C286
47P
100P
+B
+B
+5V +5V
+5V
+B
+B
1W
C293 220u10
+
+5V
+5V
0.01
0.1
+B
+B
+B
+B
+B
+B
+B
R228 220
47K
R227
IC25
Q201
+B
470P
C215
33.8688MHz
X21
C241 R241
for
CHECKING
+B
+B
+B +B
+B
+B
+B
+B
+B+B
+B
B
+B
X301
PD
+2.5V
+5V
SHORT
LAND
A
VC
E
VCC
D
B
C
F
LD
GND
-VPD
FOCUSING COIL
TRACKING COIL
FCS-
TRK+
FCS+
TRK-
16
14
15
12
13
10
11
8
9
4
6
7
5
3
1
2
P302
CN21
WH21
CN25
CN23
(BOTTOM VIEW)
(BOTTOM VIEW)
D203
D201
Q203
Q201
DSP
Q205
Q204
D205
D29
D202
CN32
CN33
D301
D302
Q301
D303
FRONT END
+B SW
FM
TUNED ADJ
PLL
FM/AM/MPX
SYSTEM IC
CD
OPE AMP
DRIVER
MOTOR
SW
OP/CL
CD RFIC
ON/OFF
LD
AVR
+5V
IC61 : M66004-001FPG
Q501,502 : HN1CO1F
Q503 : 2SC4081 (R,S) or
2SD1819A (Q,R)
D501 : MTZJ6.2 (B) or
RD6.2ES (B)
D510 : B30-2541-05
D511 : B30-2546-05
IC1 : M61510FP
IC3 : HD74LV1G08A
IC11 : MN101C49KLA
IC12 : S-80840ANY
IC21 : AN8806SBM
IC22 : MN662748RPMFA
IC23 : AN4081SB-E1
IC24 : NJM4565MD
IC25 : TA7805SB
IC31 : TA2099N
IC32 : LC72131
IC51 : XC62HR5102P
IC52 : SLA3008M
IC53 : LA4262
IC54 : SI-3050J
Q101,203,205 : 2SC4081 (R,S) or
2SD1819A (Q,R)
Q201,204 : 2SA1577 (Q,R)
Q301 : DTA114EUA or
UN5111
Q401 : 2SC2785 (F,E)
Q402 : 2SA1175 (F,E)
Q403 : 2SC3940A (R,S)
Q405,406 : DTA124ESA or
Q411,412 : 2SC2878 (B)
D29,202,203,301,302,
: 1SS302 or
DA204U or
MA143A
D102 : 1SS402
D104,201,402-409,412,427,
: 1SS133 or
D205,423-426
: 1T2
D103,303 : MTZJ5.1 (B) or
RD5.1ES (B)
D410,411 : MTZJ20 (B) or
RD20ES (B)
D421,422 : D3SBA20F03
D428 : MTZJ10 (B) or
RD10ES (B)
D430 : MTZJ3.9 (B) or
RD3.9ES (B)
D434-436,440,441
: S5688B (TPB5)
D437 : MA111
446-448
429,431-433,442-445
B LINE
B LINE
GND LINE
SIGNAL LINE
DIGITAL LINE
1/3
X33-A/2
CN1
E
C
A
B
D
F
MON
LD
2/3
CN1
X28-
UN4112
HSS104A
IC21
IC22
IC23
IC24
IC25
A301
IC31
IC32
(X09- ) (E/7)
(X09- ) (D/7)
A
PICKUP (KSS-213C)
B
2.5V
PLAY: 4.8V
STOP:4.8V
PLAY:4.9V
STOP:4.9VPLAY:4.9V
STOP:4.9V
(6.7V)
9.0V 5.9V
(0V)
7.3V
1.9V
(0V)
4.5V
PLAY:5.00V
STOP:5.00V
PLAY:4.46V
STOP:4.49V
STOP:8.3V
PLAY:8.2V
PLAY:8.9V
STOP:9.0V
STOP:4.9V
PLAY:4.8V
STOP:4.9V
PLAY:4.8V
PLAY:4.8V
STOP:4.8V
(0V)
9.0V
0V(9.0V)
9.0V
9.0V
5.1V
2.5V
5.0V
8.9V
9.0V
8.5V
CAUTION: For continued safety, replace safety critical components only
with manufacturer's recommended parts (refer to parts list). indicates
safety critical components. For continued protection against risk of fire,
replace only with same type and rating fuse(s). To reduce the risk of elec-
tric shock, leakage-current or resistance measurements shall be carried
out (exposed parts are acceptably insulated from the supply circuit) before
the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type
voltmeter with no signal input. The measurement value may vary depend-
ing on the measuring instruments used or on the product.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
AO AP AR AT AV AXAQ AS AU AW
1
2
3
4
5
6
DM+
DM-
SLM+
SLM-
SW-GND
SLT-SW
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
OP/CL SW
ALOUT
AGND
AROUT
TXOUT
MCLK
MDATA
MLD
BLKCK
SQCK
SUBQ
STAT
XRST
SLTSW
+5V
RGND
MGND
+9V
15
14 VO3+
VO3-
12
13
VO2-
VO2+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
F1
F2
PROT-1
FOFF
PLL CE
PLL DO
PLL CLK
PLL DATA
SD
ST
POWER
AMP ON/OFF
CD POWER
AMUTE
TU OUT L
TU OUT R
TU AGND
NC
VOL OUT L
VOL AGND
VOL OUT R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
H+5V
HGND
+3.5V
BACKUPV
CTXD
CRXD
BACKON
CE
MECHA RST
AINR
DGND
AINL
SWGND
DGND
AGND
AOUTR
D+5V
AOUTL
DISC IN SW
DIN2
M+5V
DIN1
M+5V
MGND
DOUT
MGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
MD MGND
MD M+5V
MD D+5V
MD DRGND
MD MRGND
TA RGND
CD +9V
CD RGND
CD,MD MGND
TA +9V
5.1V
D GND
FL 5V
-35V
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
VCC
ENC 2
ENC 1
LED POWER
LED STBY
KEY2
KEY1
F2
F1
VP
FL SDATA
FL CLK
FL CE
FL RST
REM +5V
REM
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
CLK
DATA
(ST)
NC
NC
LED POW GRN
LED STBY RED
NC
NC
CD POWER
AMP ON/OFF (SP RLY)
AMUTE
POWER
NC
NC (RDS DATA)
NC (TN MUTE)
NC (EMPHASIS)
ST
SD
GND
PLL DATA
PLL CLK
PLL DO
PLL CE
DAVDD
GND
PH
TN TYPE
PROTECT 1
PROTECT
NC (MD BACKV)
KEY2
KEY1
KEY3
VREF
VDD
OSC2
OSC1
GND
XI
XO
GND
MD TXD
MD RXD
NC
FL SDATA
NC
FL SCLK
FL RESET
FL CE
HI SPEED
EEP SCL
EEP SDA
SQCK
SUBQ
MLD
MCLK
STAT
MDATA
VPP
NC
NC
NC
XRST
SLTSW
OP/CL SW
CE
RESET
VDD2
ENC B
ENC A
(RDS CLK) NC
CD BLKCK
(MODE TYPE) NC
REM
NC
BEAT C
R/P
BIAS
(NOR) NC
(B I/II) NC
A/B 2
A/B 1
LINE MUTE
SOL
REC R SW
CPM
REC F SW
HALF SW
(CrO2 SW)
PLAY SW
NC
MD IN SW
(BACK ON) NC
(BACK CHK) NC
(IN1 MD SW) NC
MD RST
MD CE
(CLOSE) NC
(OPEN) NC
R170 3.3K
R169 3.3K
R168 3.3K
R167 4.7K
R166 10K
R164 100
R165 3.3K
77
76
81
82
R171 100
R172 100
R176 3.3K
R178 3.3K
R177 3.3K
85
86
87
88
93
94
R186 47K
R185 47K
R161
27K
96
97
98
99
1K
1000P
C111
R122
1M
8.38MHz
X2
X1
100K
R124
4.7M
R123
C112 18P
C118
R114 47K
R117 47K
5.1K
R115
R116
5.1K1
C113 22P
R125 100
R126 100
4
R113
47K
R112 47K
R120
47K
100P
C193
470P
C107
C195
0.01
100u10
+
C108
100P
C194
R179 3.3K
R180 3.3K
R181 3.3K
R121
R128 3.3K
R129 47K
R131 3.3K
R130 3.3K
R132 3.3K
23
24
25
10K
R127
19
18
PLAY SW 23
BIAS 11
17
R160 100
20
21
22
19
18
R162 10K
14
15
16
12
13
PHOTO
HALF SW
CrO2 SW
REC F SW
REC R SW
CPM
LINE MUTE
A/B
SOL
NOR
B I/II
8
9
10
6
7
5
+9V
2
3
4
1
L REC IN
BEAT C
R REC IN
BIAS GND
TA RGND
R/P
R PLAY OUT
TA +9V
TA MGND
L PLAY OUT
97
99
98
96
94
93
88
86
85
87
R101 1K
220P
++
+
+
C27 22u16
C28 10u16
C37 220P
10K
R24
6.8K
R2
R10 3.3K
R12 2.2K
C62 4.7u35
C40 220P
+
C2 3.3u50
C4 4.7u35
+
R20 1K
+
C84 4.7u35
C14 0.047
+
C12 10u16
C16 0.15
C18 0.1
C20 1000P
C6 0.068
C50 0.1
+
C22 2.2u50
C48
220P 1K
220P
GND
+
+
+
+
C61 4.7u35
C1 3.3u50
C39 220P
C3 4.7u35
R9
3.3K
C83 4.7u35
R19 1K
+
C13 0.047
C11 10u16
C15 0.15
C17 0.1
6.8K
R1
C19 1000P
C49 0.1
C5 0.068
C21 2.2u50
10K
R23
C36 47P
33P
1K
C35 220P
220P
C47
10
R80
220P
C81
220P
C82
2.2K
R82
47K
R84
47K
R83
2.2K
R81
L53
36
7
10K
R102
L55
39
53
54
18
19
58
100u10
+
C51
5
4
+B 1
2
3
GND
100
R194
33P
C190
C110
1
100
R190
C191
100P
9
L56 20uH
L52 20uH
+3.5V
R51 L54
20uH
L51
VCC
SURROUND
BASS MID TRE
uCOM INTERFACE
BASS MID TRE
1
42
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
20uH
47K
38
8
R158 100
R156 100
R163 100
R151 3.3K
R152 3.3K
54
53
58
4.7K
R159
4.7K
R153
47K
R173
4.7K
R155
4.7K
R157
R154 100
TUNER CONTROL
EVOL
DECK CONTROL
CD CONTROL
21
+3.5V
+5V
2.2u50
C101
+
1u50
+
C102
0.01
C105
100K
R103
1K
R104
R106 100C103 330u6.3
+
R105 10K
C114 330u6.3
+
R138 100
+
C115 330u6.3 R110 100
+5V
+5V+5V
2.2
R108
+5V
+5V
+5V
33
34
R109 2.2
C109 68P
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
9
39
26
24
25
23
21
31
30
81
82
7
8
8
7
2
1
1
2
7
36
24
37
37
24
8
38
30
31
26
46
47
42
43
44
45
C121 100P
R149 100
R148 1K
R146 100
R147 100
R145 1K
R144 100
C106 470P
3.3K
37
R142
36
35
R141 47K
R140 47K
35
R119 47K
+9V
MGND
RGND
+5V
SLTSW
XRST
18
19 17
16
15
14
36
37
5
STAT
SUBQ
SQCK
BLKCK
MLD
MDATA
MCLK
TXOUT
9
45
10
13
12
11
28
47
46
43
8
7
6
42
44
AROUT
AGND
ALOUT
OP/CL SW
4
31
2
+5V
+5V
+9V
+9V
+5.1V
+5V
35V
35V
+5V
+5V
28
+5V
4
77
76
R22
C30
C29
R21
R182 47K
R183 47K
+9V
+9V +9V
33
34
C117 0.01
C116 0.01
10K
R137
100
R136
R134
47K
R139
100
2200P
C120
1
C119
100u10
+
C34
1000P
C76
4.7
R15
180
R192
180
R193
17
19
18
8
14
15
13
9
7
14
15
11
13
12
10
13
12
19
+5V
+5V
+5V
+5V
+5V +5V +5V
+5V
+5V+5V
+5V
R133
47K
35V 35V 35V
+5.1V
+5V
+5V
+9V
+9V
+5V
+5V
+5V
+9V
+9V +9V
+9V
+9V
+5V
+9V
+9V
+9V
+5V
+5V
+9V
+9V
+5V
+5V+5V
+5V
+5V
+5V
+9V +B
+B
C38
IC1
+5V+5V
R11
2.2K
+B
+B
32.768kHz
+5V
+5V
+5V +5V
CN22
CN24
CN3CN4
E1
CN2
(BOTTOM VIEW)
D437
u-COM
CN5
J1
D102
(BOTTOM
AUX IN
(BOTTOM VIEW)
LEVEL SHIFT
(5V 35V)
VIEW)
RESET
IC
D104
Q101
RESET
CN1
D103
CONTROLLER
SURROUND
1
2B
2A3
P1
TEST POINT
IC11
IC12
IC1
IC3
(X09-6440-21) (A/7)
3.5V
4.7V
STAND-BY:5.1V
POW.ON:5.1V
-33.1V
CD : 9.1V
9.0V POW.ON:5.1V
STAND-BY:5.1V
5.0V
4.7V
5.2V
5.0V
4.6V
4.8V
9.0V
CD : 9.1V
4.7V
2.4V
4.6V
4.7V
4.7V
-33.1V
5.0V
5.0V
5.0V
9.0V
2.5V 2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
4.7V
5.0V
2.4V
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
BHAY BA BC BE BGAZ BB BD BF
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FIL A
FIL B
PROT.
F.OFF
PLL CE
PLL DO
PLL CLK
PLL DT
SD
STEREO
POWER
AMP ON/OFF
CD ON/OFF
MUTE
TU.L
TU.R
TU.GND
NC
VOL.L
VOL.GND
VOL.R
1
2
3
4
5
6
7
8
9
10
T1
T4
T3
T2
+9V
T7
T9
T8
T5
T6
1234567891011121314
MD-MGND
MD-M5V
MD-D5V
MD-DGND
MD GND
CD GND
CD9V
9V GND
TP GND
TP 9V
u5.1V
DGND
FIL5V
-35V
4
3
2
1
14
12
13
15
16
17
18
21
20
11
5
6
12
13
6
5
16
15
14
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
AMP
AMP
-35V
FIL 5V
POWER
F-OFF
FIL
FIL
u 5V
u GND
HELP
9V
9V
MD +V
MD GND
6
11
15
14
13
12
10
9
8
7
5
4
3
2
1
4.7
R407
R408
10K
1K
R409
100u63
+
33u63
C406
+
C409 2200P
C407 0.01
7
2
1
8
13
12
8
7
12
13
2
1
4
5
NC
OUT
3
2
1
CE
IN
GND
100u10
C404
+
1u50
+
47K
R405
330K 1K
R404
K401
C401
3300u10
+
0.056
C402
R401
100K
T401
R403
C403
150P
150P
C439
C440
R431 220
R432 220
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DRIVE
OUTPUT
ON/OFF
PROTECT
START
REPERENCE REPERENCE
PROTECT
ON/OFF
OUTPUT
DRIVE
START
OUTPUT
ON/OFF
DRIVE
REPERENCE
PROTECT
START
3
2
1
5
4
6
7
8
9
10
OOUTPUT
AMP
PRE DRIVE
AMP
INPUT
AMP
OOUTPUT
AMP
SW
STANDBY
AMP
REF PROTECTOR
PREVENTION
BLOCK
POP SOUND
RIPPLE
FILTER
INPUT
AMP AMP
PRE DRIVE
VCC
GND
11
18
20
21
2200u25
+
C435 2200u25
+
470P
C426
5
4
3
2
1
R449
2.2
1000P
C427
2200u16
+
C423
C429
1000P
C425
1000P
3300u25
+
1
2
13
12
C422
12
13
C23
0.22u50
0.22u50
C24
2.2K
R424
12K
R422
2.2K
R423
12K
R421
R425 6.2KR426 6.2K
C434 150P C433 150P
1u100
+
C431
1u100
+
C432
R417
1K
R416
10K
R419
22u25
C430
R435
47K
22u50
+
C428
47K
R420
2.2K
C447
100P
R448
470
1000u6.3
+
C449
1/4W
Q406
C450
0.01
0.01
C451 0.01
C452
P2
+
100u25
47u25
+
2200u25
C421
+
C436
C437
C438
1
2
WH55
WH56
R402
1M
C405
1/4W
35V
35V
+5V
+12V
+5V
+12V
+5V
+9V +9V
+9V +9V
+9V
+9V+9V
+9V
+12V +12V
+12V
+9V+9V+9V
+20V
+20V
+20V
+20V
+20V
+12V
+5V+5V
+B
+5V
+5V
+5V
+5V
+B
+5V
+5V
+B
+5V
+5V
+B +B
+B
35V 35V
+5V
35V
P10
P9
P8
31
32
33
P3
P2
P1
NC
NC
NC
NC
NC
NC
NC
G16
G15
G14
G13
G12
G11
G10
G9
G8
G7
G6
G5
G3
G2
G1
F2
F2
G4
NC
63
64
65
66
55
56
57
58
60
61
62
59
46
47
48
49
51
53
54
52
50
38
39
40
41
45
44
42
43
P7
P6
P4
P5
35
36
37
34
1
2
3
4
5
6
7
8
KEY1
KEY2
STANDBY
TIMER
LED +5V
ENC1
ENC2
GND
7ENC2
8GND
5LED +5V
6ENC1
2
KEY2
4TIMER
3STANDBY
1KEY1
64
63
62
61
60
4
5
6
7
61
62
63
64
1
2
3
50
51
52
53
54
55
56
57
58
59
1
2
3
4
5
6
7
8
9
10
11
12
13
DIG11
DIG10
DIG09
DIG08
DIG07
DIG06
DIG05
DIG04
DIG03
DIG02
DIG01
DIG00
RESET
64
63
62
61
60
59
58
57
56
55
54
DIG12
DIG13
DIG14
DIG15
VCC2
SEG00
SEG01
SEG02
SEG03
SEG04
SEG05
59
61
62
63
64
4
3
2
1
7
6
5
58
57
56
55
54 R520 100 13
4.7K
4.7K
4.7K
4.7K
R531
R530
4.7K
R528
R529
R527
62
64
61
63
60
10K
R536
10K
R534
10K
R533
10K
R535
10K
R532
3
7
5
4
6
8
R516 620
R515 22
220P
C501
220P
C502
R501 1.1K R502 1.2K R503 2.2K
R508 1.1K R509 1.2K R510 2.2K
Q501,502
+5V+5V
+5V+5V
+5V
+5V
+5V +5V
P1
+5V
5G4G2G 3G1G
STEREOTOTALPGM TRACK 1-1
6G-16G
1-2AUTONO.S1P2
P3 S2 S1TUNED PTY 1-3
AMP5 S31b1b kHz 1-5
P4 FM S21a1a A.P.S. 1-4
ONEP8
P9 S4
S3P7
2
4
LP
PROG.1e 1e
1f1f 1
1d1d P.B.C.
2-3
2-4
2-2
P6 PM S41c1c VCO 2-1
4-22g 2g BEST HITSP17
P16
S7P14
P15 LOUD
RANDOMP12
P13 S6
S5P11
HIGH.
SPEED
MONO2f2f
2d
2e
2d
2e
O. T.T.
SLEEP
4-1
3-4
3-5
MD.EDIT
O.T.E.
TAPE2b 2b
2c2c EQ.
2a2a MHz
3-2
3-3
3-1
P10 REPEAT 1g1g 2-5
P33
P32 col
Dp
7-2
7-3
P25 5-54a 4a
P30
P31
P29
P28
P27
P26
4f 4f
4g4g
4e4e
6-5
7-1
6-4
4c
4d
4c
4d
4b4b
6-2
6-3
6-1
P24
P23
P22
P20
P21
P19 EX.BASS
3g3g
3e
3f
3e
3f
5-4
5-2
5-3
3c 3c
3d3d
3b3b
4-5
5-1
4-4
P18 3a3a 4-3
P35
P34
7-5
7-4
2
B
CN54
CN53
E401
WH52
CN51
D408D409
D410
D411
Q403
D423
D424
D426
D425
D404
D406D412 D405
D407
D403
D402
D442
D443
D445
D444
J401
HEADPHONES
J402
SP (L)
SP (R)
POWER AMP
D422
D440D441
D434
D435
D436
D427
D429
D433
D432
Q405
D421
D428
Q411
Q412
D430
Q406 +5V AVR
MUTE
CONT.
D448
D447
D446
D431
CD 9V MD 5V TAPE 9V
MUTE
Q401
Q402
CONT.
RELAY
POWER
+5.1V AVR
CN502
WH501
(BOTTOM VIEW)
Q502
Q503
Q501
FL GRID
DRIVER
D511
D510
LED
TIMER
FL DRIVER
STANDBY
LED
S501
BEST
HIT REC
S502
TAPE
REC
S503
S509 S510 S511
MD REC
POWER AUXSOUND
S517
/MULTI
VOLUME
-CONTROL
1
3
CN52
IC51
(X09- ) (C/7)
IC52 IC53
IC54
(X09- ) (B/7)
ED501
IC61
(X09- ) (G/7)
(X09- ) (F/7)
ON:5.0V
ON:5.0V
ON:6.5V
ON:9.0V
ON:-3.2V
MUTE:1.6V
3.9V
ON:
11.8V
ON:
ON:5.8V
STBY:6.8V
ON:5.1V
ON:-33.1V
ON:5.1V
STBY:5.1V
CD : 9.1V
19.8V
6.5V
17.8V
9.0V
5.7V
-33.1V
5.7V
10.4V
11.8V
11.8V
S1
S3
S4
S5
S6 S7
S2 4a 3a 2a 1a 4a 3a 2a
col
Dp
1G
6G 7G 8G 9G 10G 11G
2G 3G
1-1 1-2 1-3 1-5
1-4
2-3 2-4
2-2
2-1
4-2
4-1
3-4 3-5
3-2 3-3
3-1
2-5
7-2 7-3
5-5
6-5
7-1
6-4
6-2 6-3
6-1
5-4
5-2 5-3
4-5
5-1
4-4
4-3
7-5
7-4
(6G-16G)
(2G,3G)
4a 3a 2a 1a
1g
1d
1f
1e
1b
1c
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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