Kenwood RXD-V525 User manual

MINI HiFi COMPONENT SYSTEM
RXD-V525/V626/V727/V828
SERVICE MANUAL
(XD-V525~V828) ** © 1999-8/B51-5567-00 (K/K) 406
70%
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
**Refer to page 2 if you want to know system configuration.
Refer to the RXD-652 service manual (B51-5517-00) for
DISASSEMBLY FOR REPAIR.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM
PHONES
AUTO REVERSE
DIRECT PROGRAM SEARCH SYSTEM
A
PLAY
B
REC/
PLAY
AUTO REVERSE
DIRECT PROGRAM SEARCH SYSTEM
MENU
DISC
SKIP
0
PUSH
OPEN
MINI HI-FI COMPONENT SYSTEM
XD-552
PBC KEY CONT ECHO
EX.BASS
SELECT
ENTER
INPUT DISPLAY
/DEMO
MIC VOL
MIN. MAX.
MIC
BACK
BAND
TUNING MODE
1@& ¡
#
REV. MODE REC/ARMTAPE EQ.
0
PUSH
OPEN
AB
DISC
3
DISC
0
OPEN
VIRTUAL
&^
1
DISC
2
R D S
ON/STANDBY
S
O
U
N
D
C
O
N
T
R
O
L
M
U
L
T
I
C
O
N
T
R
O
L
DOWN
DOWN UP
VOLUME
CONTROL
UP
STANDBY
TIMER
PRO LOGIC 3 STEREO
MIC VOL.
Knob
(K29-7470-14) Front glass * (B10-)
Knob
(K29-7471-14)
Knob
(K29-7547-04)
Phone jack
(E11-0219-05)
Phone jack
(E11-0280-05)
Cassette lid assy(L) *
(A53-)
Panel assy *
(A60-)
Knob
(K29-7466-04)
Cassette lid assy(R) *
(A53-)
Panel assy(CD)
(A29-1067-03)
* Refer to parts list on page 55.

Unplug the power cord from the power outlet
then, while holding the ENTER key depressed,
plug the power cord again.
÷ Please note that resetting the microcomputer clears the
contents stored in memory and returns it to the condition
when it left the factory.
Operation to reset
The microcomputer may fall into malfunction (impos-
sibility to operate, erroneous display, etc.) when the
power cord is unplugged while power is ON or due to
an external factor. In this case, execute the following
procedure to reset the microcomputer and return it to
normal condition.
ENTER
AB
POWER
ECHO KEY KEY
V
O
L
U
M
E
D
O
W
N
V
O
L
U
M
E
U
P
MENU
SELECT
4¢
MULTI CONTROL
REMOTE CONTROL UNIT
RC-V828
TUNING ¡1 CD 6
1
SOUND CONT.
AUTO PBC
2 3
4 5 6
LISTEN MODE PAL/NTSC
7 8 9 0 +10
DISC SKIP
INPUT
EX.BASS
BAND
TAPE 32
7
RETURN
A
/
B
TIME
RANDOM
STEP SLOW
ON SCREEN MULTIPLEX
BACK
DIGEST FREEZE
RESUME
BACK
MUTE
TIME SEARCH
PREV.
REPEAT
NEXT
ENTER
FM indoor antenna (1) AM loop antenna (1)
Speaker cords (2)
(A70-1302-05): RC-V828...RXD-V828
(A70-1303-05): RC-V727...RXD-V727
(A70-1304-05): RC-V626...RXD-V525/V626 Battery cover (A09-0399-08)
Remote control unit (1)
Use to adapt the plug on the power cord to
the shape of the wall outlet.
(Accessory only for regions where use is
necesary.)
AC plug adaptor (1)
Batteries
(T90-0836-05) (T90-0837-05) (E03-0115-05)
(R6/AA) (2)
Provided in the speaker package
Video cord(1)
(E30-1427-05)
RXD-V525/V626/V727/V828
2
CONTENTS / ACCESSORIES / CAUTIONS
CONTENTS / ACCESSORIES /CAUTIONS.............. 2
EXTERNAL VIEW.......................................................3
CIRCUIT DESCRIPTION............................................4
ADJUSTMENT..........................................................10
WIRING DIAGRAM...................................................12
PC BOARD .............................................................. 13
SCHEMATIC DIAGRAM.......................................... 24
EXPLODED VIEW ....................................................51
PARTS LIST..............................................................55
SPECIFICATIONS....................................................67
Contents
Accessories
SYSTEM MAIN UNIT DESTINATION SPEAKER SP CORD PARTS NO.
XD-V525 RXD-V525 MI LS-N452 E30-5535-05
XD-V525 RXD-V525 V LS-N552 E30-5535-05
XD-V626 RXD-V626 MI LS-N552 E30-5535-05
XD-V727 RXD-V727 MIV LS-N752 E30-5535-05
E30-5559-05
XD-V828 RXD-V828 MIV LS-N552 E30-5535-05
CRS-N552 E30-5542-05
System configuration
Cautions

RXD-V525/V626/V727/V828
3
EXTERNAL VIEW
Metallic cabinet
(A01-3656-01) Cover
(F07-1660-01)
Lock terminal board
(E70-0046-05)
Lock terminal board
(E20-0321-05)
Phono jack
(E63-1037-05) Oscillating module (W02-1114-15)
Phono jack
(E63-1010-05)
Slide switch
(S62-0077-05)
Lock terminal board
(E70-0110-05)
Lock terminal board
(E70-0045-05)
Phono jack
(E63-0116-05)
Slide switch
(S62-0077-05)
Lock terminal board
(E70-0053-05)
Illustration is RXD-V828.

RXD-V525/V626/V727/V828
4
BLOCK DIAGRAM
R/PERASE
TONE EX.BASS
SOUND
OSC
BIAS
BIAS
TRAP
NR SYSTEM
DOLBY B
HA12136A
BA3126N
HA12219NT
20.5V/6
K1
OTHER ch
S.W. PRE-OUT
USED
H.P.
Rch
Lch
Cch
RF AMP
LODING
MOTOR
CD DSP KEY
LED CONTROL
REMOTE SENSOR
(X13)
A1
TUNER PACK
FM75
AM
ANT
B DECK
(X28)
DECK
MECHA
IC3
IC1
Q21,22
IC2
(X14) IC10
CXD2718Q
M62492FP
IC2
MD REC
MD/DVD
RXD-V525/
V626/V727
IC3
CD MECHA
(MGC-E9001)
DIGITAL
D. OUT
(OPTICAL)
VIDEO OUT
MAIN u-COM
2ch MODE (DEV.1%) SURROUND MODE
RXD-V525
RXD-V626
RXD-V727
(X07)
Q3,4Q1,2
B CLASS
IC2
Q5 Q7
IC5
IC1
(X14)
2V/600
17.3V/6
21.9V/6
10.95V/6
RXD-V828 20.5V/6
24.5V/6
12.2V/6
AMP
1.0V/10K
OUTPUT
400mV/47K
INPUT
1Vp-p/75
P
A DECK
MIC ECHO
USED
USED RXD-V828
DRIVER
IC4
TV ENCODER
MPEG
DECODER
IC12
IC9 ANALOG
RXD-V525/V626/V828
MTX
MTX
SWRch
SWLch
SLch
SRch
SLch
SRch
OFF
ON
MTX
SURROUND
OTHER ch
Q6
AMP
Q8
IC2
K1
S ch
AMP
A CLASS
(X00)
AC/DC
PROTECTION
L.P.F
(X32)
(X13)
A1
IC52,53
FL
IC51
DRIVER DISPLAY
FL
ED1
MIC AMP MIC VOL.
C/S ch
PRO-LOGIC
DOLBY
L/R ch
IC7
INPUT
OUTPUT 1
2
(DEV.10%)
(DEV.10%)
(DEV.1%)
(DEV.1%)
FRONT SP.OUTPUT
RXD-V525
RXD-V626 8.5V/8 (DEV.1%)
8.9V/8 (DEV.1%)
SP. OUTPUT
MATRIX SURROUND (MODE)
SUPER WOOFER
SP. OUTPUT
RXD-V727 24.5V/6
(DEV.10%/60Hz)
13.4V/6RXD-V828
CENSER SP. OUTPUT(DEV.10%)
9.5V/6RXD-V828 (DEV.10%)
SURROUND SP. OUTPUT
+12V
AVR
Q4
AVR
Q6,7
-12V
-12V
+12V
AVR
IC2
+5V
AVR
IC1
+9V
RDS
CD +9V -B
GND
+B
+40V
AVR
Q8
(X14- ) +5V
FL -35V
Q2
+5.6V AVR
u-COM
FAST OFF
FLAC
AMP
for
POWER
AC IN
E-VOL
TUNER
DECK
TUNER
E-VOL
FL IC +5V
u-COM
PULL UP
K1
120V 240V
+12V
AVR
Q4
AVR
Q3
-12V
-12V
+12V
AVR
IC2
+5V
AVR
IC1
+9V
RDS
CD +9V -B
GND
+B
-35V
AVR
Q8
FL-REF
FL -35V
Q2
+5.6V AVR
u-COM
FAST OFF FLAC
IC
for
POWER
E-VOL
TUNER
DECK
TUNER
E-VOL
FL IC +5V
u-COM
PULL UP
K1
120V 240V
(M) TYPE ONLY
-BV
GND
+BV
D2
D15-18
D1
D3 S2
S1
AC IN
D2
D1
D3
EXCEPT USED RXD-V828
USED RXD-V828
IC13
Q305,306
MPX
X32
X32
K2
K2
K2
K2
USED RXD-V727
S1
(X00-293X-XX) : RXD-V525/V626
(M) TYPE ONLY
RXD-V525/V626/V727/V828
(X00-294X-XX) : RXD-V727/V828
CLK
PLL-CLK
PLL-CE
PLL-DO
SD
ST
PLL-DATA
S-LEVEL
DE-EMPH
SW/C/S MUTE
H.P. DETECT
ATT
MUTE
PROTECTION
LATCH
DATA
CLK
READY
REC LEVEL CONT
R/P
LATCH
Lch-OUT Rch-OUT
+12V
+12V
REC PB AMP
AMP
OUT
(REC=H)
INPUTATT. VOLUME
C/S (RXD-V828)
7V
DECK
CD
Lch-OUT
Rch-OUT
D. OUT
DATA
XIN XOUT XCIN XCOUT
(10MHz) (32.768KHz)
MAIN CLOCK TIMMER CLOCK
MUTE
-6db ATT.
DOLBY
IN
-6db ATT. MUTE
-6db ATT. MUTE
C/S ch
SW ch
C/S or SW
FRONT L/R
VOLUME
SW (RXD-V727)
C/S
L/R
+
+
+
+
+
+
+
+
+
+
+
+
+
+
IC1
IC55

RXD-V525/V626/V727/V828
5
CIRCUIT DESCRIPTION
SECTION ITEMS
POWER STANDBY
VOLUME 14
BALANCE CENTER
MUTING OFF
PROTECTION OFF
S.DIRECT OFF
SUPER WOOFER 3
(RXD-V727)
DISPLAY MODE AUTO
AMP AUTO POWER SAVE OFF
MD/DVD INPUT LEVEL -3
INPUT SEL. TUNER
(LISTEN MODE)
DOLBY PROLOGIC OFF
DOLBY 3STEREO OFF
DOLBY VIRTUAL
SURROUND OFF
CENTER SP. EXIST(SMALL)
SURROUND SP. EXIST
DELAY TIME 20msec
BAND FM
TUNER FREQUENCY LOWEST FREQUENCY
AUTO/MONO AUTO
P. CH --CH
Initial items and back up data
SECTION ITEMS
CLOCK 0:00(E/T/Q)
12:00(OTHERS)
PROG. RECORDING ON/OFF TIMER
0:00(E/T/Q)
12:00(OTHERS)
CLOCK PROG.TIMER PLAY ON/OFF TIMER
0:00(E/T/Q)
12:00(OTHERS)
PROG.EXECUTION OFF
SLEEP TIMER OFF
O.T.T. OFF
DIRECTION FORWARD
DECK RVS MODE REVERSE(U MODE)
A/B B
PLAY MODE TRACK
AUTO/NTSC/PAL AUTO
AUTO PBC ON
DIGEST OFF
CD/VCD MEMORY STOP OFF
REPEAT OFF
RANDAM OFF
ACTIVE MODE STOP
TIME SINGLE
: None back up
SETTING METHOD While pressing DISC3 key, plug the AC power cord into the AC power wall outlet.
CANCEL Push CD STOP key.
CONTENTS Display : CD TEST (Then the CD tray open.)
Push CD PLAY key to cycle 03 05.
SELF ADJUSTMENT(Push DISC 1 key on STOP)
Parameter FL DISPLAY
07 EF/FB 07 ** **
08 TG/FG 08 ** **
09 FE/RF 09 ** **
SETTING METHOD While pressing DECK PLAY key, plug the AC power cord into theAC power wall outlet.
CANCEL Push DECK STOP key.
CONTENTS Display : DECK TEST
MECHA SW ON= DISPLAY LIGHTING.
LEAF SW A-PACK A-FWD B-FWD B-PACK B-NOR. B-RVS
FL DISPLAY MOON PROG1,2 O.T.T. AUTO ST ANTENNA
SETTING METHOD While pressing MENU key, plug the AC power cord into theAC power wall outlet.
CANCEL Push the other key . ( TUNER mode)
DESCRIPTION OSC OK and SYNCHRO OK : Display OK (1 sec)
OSC NG: Display ERR 1 SYNCHRO NG: Display ERR 2
FL and LEDs are lighting . STANDBY LED and TIMER LED are flashing in the cycle.
SETTING METHOD While pressing ENTER key, plug the AC power cord into the AC power wall outlet.
CONTENTS Display : INITIALIZE
CD mecha, DECK mecha are initialized. The memory is cleared .
(Display CD ERR or X ERR:Don’t initialize CD or DECK mechanism. )
1. TEST MODE
1-1 CD TEST MODE
1-2 DECK TEST MODE
1-3 SUB CLOCK OSCILLATION DIAGNOSIS and FL LED ALL LIGHTING MODE
1-4 INITIALIZE MODE

RXD-V525/V626/V727/V828
6
CIRCUIT DESCRIPTION
18Q
DECK SYSTEM IC
(HA12219NT)
2. Main microprocessor M30622MC-598FP (X13:IC1)
2-1 Microprocessor periphery block diagram
2-2 Key matrix

RXD-V525/V626/V727/V828
7
CIRCUIT DESCRIPTION
Pin No. Name I/O Connect Description
1 D-DATA O PD DOLBY DIGITAL IC DATA OUTPUT (CXD2724Q)
2 D-CLK O - DOLBY DIGITAL IC CLOCK OUTPUT (CXD2724Q)
3 PLLDATA O PD PLL IC DATA (LC72131)
4 ST I PU STEREO INPUT
5 PLLCE O PD PLL IC CE (LC72131) OUTPUT
6 - I PD NO USE
7 PLLCLK I PD PLL IC CLOCK (LC72131) OUTPUT
8 BYTE I VSS 8/16BIT CHANGEOVER
9 CNVSS - VSS GND
10 XCIN - - TIMER CRYSTAL OSCILLATOR (32.768kHz)
11 XCOUT - - TIMER CRYSTAL OSCILLATOR (32.769kHz)
12 RESET I PU uCOM RESET H=NORMAL / L=RESET
13 XOUT - - MAIN CLOCK OSCILLATOR 10MHz (CERAMICS)
14 VSS - VSS GND
15 XIN - - MAIN CLOCK OSCILLATOR 10MHz (CERAMICS)
16 VCC - VCC +5V
17 NC I PU NO USE(+5V)
18 REM I PD REMOCON SIGNAL INPUT
19 ESS_ST I PD TRANSMIT/RECEIVING START OUTPUT FROM ESS HîL TRUST ON
20 ESS_ST I PD TRANSMIT/RECEIVING START OUTPUT FROM ESS LîH TRUST ON
21 LEDDT3 O PD LED DRIVER IC DATA 3 OUTPUT(BU2090)
22 LOSW I PD CD LOAD( TRAY CLOSE ) SW
23 UNLOSW I PD CD UNLOAD(TRAY OPEN ) SW
24 RTL O PD CD MOTOR CONTROL OUTPUT(LEFT)
25 BRKM O PD CD MOTOR CONTROL OUTPUT (BREAK)
26 CLOSE O PD CD MOTOR CONTROL OUTPUT (CLOSE)
27 OPEN O PD CD MOTOR CONTROL OUTPUT (OPEN)
28 ESS CLK I PD CLOCK INPUT FROM ESS
29 ESS DIN I PU DATA INPUT FROM ESS
30 ESS DO O PU DATA OUTPUT TO ESS
31 FLDATA O PD FL DOT DRIVER DATA OUTPUT(M66004FP)
32 CE I PU BACK UP CE H=AC ON / L=AC OFF
33 FLCLK O PD FL DOT DRIVER CLOCK OUTPUT (M66004FP)
34 FLCS O PD FL DOT DRIVER STROBE OUTPUT(M66004FP)
35 RTR O PD CD MOTOR CONTROL OUTPUT (RIGHT)
36 TDSW I PU TRAVERSE DOWN SW
37 TUSW I PU TRAVERSE UP SW
38 PHTR I PU CD STOP SW
39 PSSW I PU POSITION & DISC DETECT SW
40 - O PD -
41 FL RESET O PD FL DOT DRIVER RESET OUTPUT (M66004FP)
42 DCOFF O PD CD POWER ON/OFF(ESS) H=ON / L=OFF
43 SDA I/O PU ROM CORRECTION DATA I/O
44 SCK O - ROM CORRECTION CLOCK OUTPUT
45 - O PD NO USED
46 CD_5V O PD ESS POWER SUPPLY CONTROL(TUNER=OFF) H=OFF / L=ON
47~49 - O PD NO USED
50 EVCLK O PD SOUND CONTROLLER IC CLOCK OUTPUT(M62492FP)
51 EVLAT O PD SOUND CONTROLLER IC STROBE OUTPUT(M62492FP)
52 EVDATA O PD SOUND CONTROLLER IC DATA OUTPUT(M62492FP)
53,54 A-JOG1,2 I PU JOG A (SOUND CONTROL) INPUT1,2
55,56 B-JOG1,2 I PU JOG B (MULTI CONTROL) INPUT1,2
57,58 ENC1,2 I PU VOLUME ENCODER INPUT1,2
59 LEDCLK O PD LED DRIVER IC CLOCK OUTPUT(BU2090)
60,61 LEDDT1,2 O PD LED DRIVER IC DATA OUTPUT 1,2(BU2090)
2-3 Pin description

RXD-V525/V626/V727/V828
8
CIRCUIT DESCRIPTION
SET TYPE TUNER TYPE R1 Volt COMPARE LEVEL
K,P K 91k 4.51 D9h
✜M,Y,X,I M1 39k 3.98 BDh
M(with SW) M2 22k 3.44 A0h
T T 13k 2.83 82h
E1,E2 E 8.2k 2.25 62h
Q Q 4.7k 1.6 28h
J J 2.7k 1.06
Pin No. Name I/O Connect Description
62 VCC - VCC POWER SUPPLY (+5V)
63 SR-LIMIT O PD CENTER/SURROUND (SUPER WOOFER) SP RELAY CONTROL H=ON / L=OFF
64 VSS - VSS GND
65 B-PH I PU B DECK SPIN DETECT INPUT
66 A-PH I PU A DECK SPIN DETECT INPUT
67 A/B2 O PD DECK A/B CHANGEOVER CONTROL 1
68 A/B1 O PD DECK A/B CHANGEOVER CONTROL 2
69 PLLDO I PU PLL IC DATA INPUT (LC72131)
70 D-RST O PU DOLBY DIGITAL IC RESET OUTPUT (CXD2724Q)
71 D-REDY I PU DOLBY DIGITAL IC READY INPUT (CXD2724Q)
72 D-XLAT O PD DOLBY DIGITAL IC LAT OUTPUT (CXD2724Q)
73 HP-DET-IN I PU HEAD PHONE INPUT H=OFF / L=ON
74 BIAS O PD BIAS ON/OFF CHANGEOVER CONTROL H=ON / L=OFF
75 R/P O PD R/P CHANGEOVER CONTROL H=REC / L=PLAY
76 B.SOL O PD B DECK SOLENOID CONTROL
77 CPM O PD DECK CAPSTAN MOTOR CONTROL
78 PSCLK O PD EXPANDER IC CLOCK INPUT (HD74HC166P)
79 PSIN I PD EXPANDER IC DATA OUTPUT (HD74HC166P)
80 PSLOAD O PD EXPANDER IC DATA LOAD OUTPUT (HD74HC166P)
81 AMUTE O PD AUDIO MUTE
82 ATT O PD -10dB ATTENUATOR L=ON / H-OFF
83 POWER O PD POWER RELAY CONTROL H : ON
84 PROTECT I PD PROTECT DETECT (VOLTAGE DETECT) L=OFF / H=ON
85 SPRELAY O PD SPEAKER RELAY CONTROL H : ON
86 STBY-LED O PD STANDBY LED CONTROL H=ON / L=OFF
87 TIMER-LED O PD TIMER LED CONTROL H=ON / L=OFF
88 A.SOL O PD A DECK SOLENOID CONTROL
89 SPEANA I PD MUSIC SIGNAL INPUT (A-D)
90 MODEL I PD MODEL DISTINCTION INPUT (A-D)
91 TYPE I PD TUNER DESTINATION DISTINCTION INPUT (A-D)
92 DPSS I PD NON-RECORDED SPACES DETECTING INPUT (A-D)
93 - I PD NO USED
94,95 KEY3,2 I PU A-D KEY INPUT 3,2
96 AVSS - VSS GND
97 KEY1 I PU A-D KEY INPUT 1
98 VREF - - A-D INVERTER REFERENCE VOLTAGE INPUT (+5V)
99 AVCC - VCC A-D INVERTER POWER SUPPLY INPUT (+5V)
100 SD I PU SD INPUT
MODEL VOLT COMPARE LEVEL(XH)
XD-V828 4.5 C4h
XD-V727 3.3 80h
XD-V626 1.7 3Bh
XD-V424 0.6
(Pin 90) Model distinction (Pin 91) Tuner destination
✜These models fix the voltage for M,I,V type.

RXD-V525/V626/V727/V828
9
CIRCUIT DESCRIPTION
2-4 EXPANDER IC PIN DESCRIPTION
(X13:IC14) BU2090F
Pin No. Name I/O Connect Description
1 VSS - - GND
2 DATA I PD DATA INPUT
3 CLOCK I PD CLOCK INPUT
4 120/70 O - DECK 120/70us CHANGEOVER
5 D-R/P O - DECK DOLBY R/P CHANGEOVER
6 B1/B2 O - DECK B1/B2 CHANGEOVER
7 DOLBY O - DECK DOLBY ON/OFF
8 NOR/CrO2 O - NOR/CrO2 CHANGEOVER
9 BEAT CANCEL O - BEAT CANCEL ON/OFF
10 - O - NO USED
11 CD REC O - CD REC CONTROL
12~15 NC O - NO USED
16 VDD - - +5V
(X14: IC52) BU2090 (LED ON : LOW ACTIVE)
Pin No. Name I/O Connect Description
1 VSS - - GND
2 DATA I PD DATA INPUT
3 CLOCK I PD CLOCK INPUT
4 SOUND O - SOUND ICON LED ON/OFF
5 TIMER O - TIMER ICON LED ON/OFF
6 EX.BASS/SW O - EX. BASS/SW LED ON/OFF
7 ECHO 1 O - ECHO 1 ON/OFF PORT
8 EMUTE O - ECHO MUTE PORT
9 DISC3 O - DISC3 LED ON/OFF
10 DISC2 O - DISC2 LED ON/OFF
11 DISC1 O - DISC1 LED ON/OFF
12 MENU O - MENU LED ON/OFF
13 CD-PGM O - CD PGM ICON LED ON/OFF
14 CD-TO-TAPE O - REC OPTIONS ICON LED ON/OFF
15 TAPE-TO-TAPE O - DUBBING ICON LED
16 VDD - - +5V
(X14:IC53) BU2090 (LED ON : LOW ACTIVE)
Pin Name I/O Connect Description
1 VSS - - GND
2 DATA I PD DATA INPUT
3 CLOCK I PD CLOCK INPUT
4 KEY CON O - KEY CON LED ON/OFF
5 - O - NO USED
6 ECHO O - ECHO LED ON/OFF
7 SURROUND O - SURROUND ICON LED ON/OFF
8 - O - NO USED
9 PBC O - PBC LED ON/OFF
10 - O - NO USED
11 VIRTUAL O - DOLBY VIRTUAL SURROUND LED ON/OFF
12 3 STEREO O - DOLBY 3 STEREO LED ON/OFF
13 PRO LOGIC O - DOLBY PRO LOGIC LED ON/OFF
14 - O - NO USED
15 KARAOKE O - KARAOKE LED ON/OFF
16 VDD - - +5V

RXD-V525/V626/V727/V828
10
ADJUSTMENT
CD player adjustment
NO. ITEM INPUT
SETTINGS OUTPUT SETTINGS CD PLAYER SETTINGS ALIGNMENT ALIGN FOR FIG.
NO. [1] :Choose either LASER POWER or LASER CURRENT CHECK. ( Confirm to be satisfied either LASER POWER or LASER
CURRENT CHECK.)
TEST MODE : While pressing the PLAY/PAUSE key ,plug the power code into the AC power wall output.
Insert TEST DISC.
[1] LASER
POWER -
Set the sensor
section of the
optical power meter
on the pickup lens.
Press the
PLAY/PAUSE key to
check that the display
is "03".
-
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.
(a)
[1] LASER CURRENT
CHECK Test disc
type4
Set the tester
between both the
check land of R8 (10
‰) on the PCB(X32)
of the set upper.
Press the
PLAY/PAUSE key to
check that the display
is "03" or "05".
- 500–200mV
(Caution) Connect and remove to the tester for the laser current check at POWER OFF condition.
[2] FOCUS ERROR
(Note) Type 4 disc: SONY YEDS-18 test disc or equivalent. (KTD-02)
BIAS Test disc
type4
Connect an
oscilloscope as
follows.
CH1:RF(CN1:1pin)
GND:VC(CN1:4pin)
Press the
PLAY/PAUSE key .
Confirm that the
display is "05".
FE BIAS
VR1 Optimum eye pattern (b) (d)
(d)
(a) Laser Power (b) Test point
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.
RF signal: AC coupled
FE2
VC
TE2
TE1
NC
VR1
FE1
RF
CN1
CN2
X32
(Component side)
FRONT
Q1
R8

11
ADJUSTMENT
RXD-V525/V626/V727/V828
No
< 1 >
< 2 >
< 1 >
< 1 >
< 2 >
ITEM
Demagnetization
and cleaning
Azimuth of the
REC/PLAY head
TAPE
SPEED(NORMAL)
PLAYBACK
LEVEL
BIAS CURRENT
INPUT
SETTING
–
TCC−153
MTT−114
10kHz, −10dB
TCC−110
MTT−111
SCC−1727
3kHz
(A)
Adjust the AG
for the output of
the DECK to
become
1kHz(-30dBs)/
10kHz(-30dBs).
MTT-256U,
TCC-160
315Hz, 0dB Adjust the playback
output to -6.0dBs
OUTPUT
SETTING
–
(B)
(B)
(B)
(B)
DECK
SETTING
Demagnetization:
POWER OFF
Cleaning: PLAY
PLAY
PLAY
PLAY
Adjust the REC VR
level so that the line
out is -2.6dBs at
1kHz, and record
and playback
1kHz/10kHz
alternately.
ALIGNMENT
POINT
Recording
head, erase
head,capstan
pinch roller
FWD RVS
A/B DECK
VR 5
A DECK
VR 1 (L)
VR 2 (R)
B DECK
VR 7 (L)
VR 8 (R)
VR 3 (L)
VR 4 (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
slightly 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.
Adjust the tape
speed so that 3kHz
is obtained at the
center of the tape.
Record 1kHz and
10kHz alternately,
and adjust the bias
current adjustment
potentiometer for the
playback levels to
become the same.
FIG.
Unless otherwise specified, set the respective switches as follows: 0dBs=0.775V
TAPE : NORMAL DOLBY : OFF PLAY OUT : Lch (X28,CN64pin), Rch (X28,CN66pin)
ø. Cassette mechanism unit (Adjustment of the REC / PLAY head)
¿. PC BOARD ADJUSTMENT
¡. PC BOARD ADJUSTMENT
Cassette Deck adjustment
{
(A) (B)
X28, CN1
L OUT
R OUT
R OUT
R IN
L IN
GND
1
2
3
4
5
6
8
7
9
10
11
AC voltmeter AG Oscilloscope AC voltmeter
Frequency counter
Solder with
some lead
wires.
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(X07-304X-XX) (A/3) :RXD-V727/V828
(X07-304X-XX) (B/3)
(X00-29XX-XX) (A/3)
(X28-298X-XX)
(D40-1618-05)
(X32-3270-20)
MECHANISM
CASSETTE
MATRIX SURROUND
(X00- ) (B/3)
SECONDARY UNIT
PRIMARY UNIT
(X00- ) (C/3)
USED (M,I) TYPE
USED EXCEPT (M,I) TYPE
POWER SUPPLY
USED
DISPLAY UNIT (FL)
(X14-493X-XX) (A/6)
(VOL)
(X14-) (B/6)
(JOG)
(X14-) (C/6)
(X14-) (D/6)
(CD, DECK)
RECORD/PLAYBACK UNIT
POWER AMP
(HEADPHONE/MIC)
(X14-) (E/6)
USED
RXD-V727
RXD-V828
USED
RXD-828
RXD-V727/
(X00- ) (C/3)
PRIMARY UNIT
(M,I) TYPE ONLY
RXD-V626/
RXD-V525/
MGC-E9004
(X13-765X-XX)
(B/2)
MATRIX SURROUND
(X07-303X-XX) (B/2)
(X07-303X-XX) (A/2) :RXD-V525/V626
(X13-765X-XX) (A/2)
RXD-V525/V626
RXD-V727/V828
USED
USED
RXD-V727/V828
USED
RXD-V525/V626
USED
USED
RXD-V525/
V626/V828
USED
RXD-V525/V626
(X25-6210-10)
CD MECHANISM
MECHANISM ASS'Y
B HEAD A HEAD
WH4 E4
CN4
CN1 WH3 E3
CN5 CN4
CN1
E1
WH1
E2 WH1 E1
J4
S1 SURROUND
SW
R
L
SURROUND
SPEAKERS
GND J2
FM75
AM ANT
J1
MD
MD/DVD
E1 WH3 E2
CN2 WH4
CN1
CN3 CN2
CN5 CN1
S2
S1
WH4
WH3
WH1
WH7
CN3
Lch
Rch
Lch
Rch
J3 PRE OUT
SUPER WOOFER
Rch
Lch
J2
SPEAKERS
FRONT
E7
E7 WH2 E6
CENTER SPEAKER
R
L
SUPER WOOFER
SPEAKERS
J2
R
L
SPEAKERS
SURROUND
WH2
WH1
CN2
CN4
E5
WH5
CN3
E10
CN5
WH8
E6
CN1
WH6
CN5
CN2
CN1
E1 WH1 E2
SURROUND
J4 SPEAKERS
Rch
SURROUND
SW Lch
DIGITAL OUT
A2
J3VIDEO OUT
CN2 WH4
REC OUT
INPUT 4
3
2
1
MIC
PHONES
J2
J101
CN1
CN3
WH1WH2
CN2 CN4
CN3
OPTICAL
1Vp-p75
WH3 WH2
40-21
SHANGHAI
MALAYSIA 82-10 I
V
ABB.
RXD-V828 (X07-30XX-XX)
COUNTRY
GENERAL MARKET
DESTINATION UNIT No.
M
40-22
MALAYSIA
SHANGHAI 82-11V
I
ABB.
RXD-V727 (X07-30XX-XX)
DESTINATION
GENERAL MARKET
COUNTRY UNIT No.
M
RXD-V525 (X07-30XX-XX)
COUNTRY
DESTINATION
MALAYSIA
GENERAL MARKET
SHANGHAI
DESTINATION
RXD-V626 (X07-3030-23)
GENERAL MARKET
MALAYSIA
COUNTRY UNIT No.
0-23
M
I
ABB.
92-10
UNIT No.
30-24
I
V
M
ABB.
IMALAYSIA VSHANGHAI
RXD-V525 (X13-7650-22)
GENERAL MARKET
DESTINATION
COUNTRY UNIT No.
0-22
2-12
VSHANGHAI 2-11
VSHANGHAI 2-10
M
ABB.
RXD-V727 (X13-7650-21)
DESTINATION
GENERAL MARKET
MALAYSIA
COUNTRY
0-21
M
I
UNIT No.
ABB.
GENERAL MARKET
DESTINATION
MALAYSIA
COUNTRY
0-20
I
UNIT No.
M
ABB.
RXD-V828 (X13-7650-20)
ABB.COUNTRY
SHANGHAI V
RXD-V828 (X28-2980-10)
DESTINATION
GENERAL MARKET
COUNTRY
MALAYSIA
ABB.
0-10I
M
UNIT No.
GENERAL MARKET
SHANGHAI
MALAYSIA V0-10I
M
0-10
DESTINATION
RXD-V727 (X28-2980-10)
MALAYSIA
UNIT No.
I
GENERAL MARKET
DESTINATION
RXD-V626 (X28-2980-10)
COUNTRY UNIT No. ABB.
M
DESTINATION
GENERAL MARKET
MALAYSIA
SHANGHAI
COUNTRY
0-11I
V
UNIT No.
ABB.
M
RXD-V525 (X28-2980-11)
DESTINATION
MALAYSIA
GEMERAL MARKET
COUNTRY
0-22
I
UNIT No.
M
ABB.
0-23
RXD-V626 (X14-7040-22)
SHANGHAI
MALAYSIA 2-12V I
RXD-V525 (X14-704X-XX)
DESTINATION
GEMERAL MARKET
COUNTRY UNIT No.
M
ABB.
M
ABB.
RXD-V828 (X14-704X-XX)
V
M
ABB.
RXD-V727 (X14-704X-XX)
V
DESTINATION
GEMERAL MARKET
SHANGHAI
MALAYSIA I
COUNTRY
SHANGHAI
MALAYSIA I
GEMERAL MARKET
DESTINATION
COUNTRY
0-20
2-10
UNIT No.
0-21
2-11
UNIT No.
RXD-V525 (X00-29XX-XX)
RXD-V626 (X00-2930-23)
MALAYSIA
DESTINATION
GEMERAL MARKET
COUNTRY
I
UNIT No.
ABB.
M0-23
MALAYSIA
SHANGHAI
DESTINATION
COUNTRY
GEMERAL MARKET 30-24
I
V 72-10
UNIT No.
ABB.
M
RXD-V828 (X00-29XX-XX)
DESTINATION
COUNTRY
MALAYSIA
GENERAL MARKET
SHANGHAI V
I
M
ABB.
62-10
40-24
UNIT No.
RXD-V727 (X00-29XX-XX)
MGENERAL MARKET
SHANGHAI V
COUNTRY
MALAYSIA
DESTINATION ABB.
I
62-11
40-25
UNIT No.
UNIT No.
MALAYSIA
COUNTRY
GENERAL MARKET I M
ABB.
0-22
RXD-V626 (X13-7650-22)
DESTINATION
14
1
11
1
1
11
21 21
11
115
115
1
11
1
11
15 15
11
3
1
3
1
1
5
2
1
1
2
1
20
1
20
1
1
33 33
1
T1
220-240V
110-120V
1
4
1
4
10 10
11
10
1
10
1
1
5
15
171
171
F1
99
11
5
1
5
1
1
2
133
133
5
1
14
15
15
1
1
15
14
33
33
51
51
112
112
19
19
1
11
21
21
11
17
17
E35-2294- 5
E35-2256- 5
E35-2413- 5
E35-2308- 5
12
1
4
1
4
F1
F2
3
1512
112 1 15
33 33
5E35-2432-
9
9
2
3
4
2
5
5
1
5
5
1
11616 91
16 13
16 13
USED
RXD-V525/626
J1
USED
RXD-V727/828
12
WIRING DIAGRAM
RXD-V525/V626/V727/V828
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?@@@@@@?g?
? ? ? ? ? ? ?
? ? ? ? ? ? ? ?
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@@@@@?e?@e?@@@@@@??
? ? ? ? ? ? ?
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?W&(Y?e?V')X?h W&(YgV')Xh
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W&5?f
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?O&@0Yhe
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ABDFHJCEGI
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
1413
R29
R30
R12
R3
R17
R16
R19
R20
R15
R14
R27
R33
R22
R23
R11
R34
W40
R9
R8
R10
R18
C25
C26
C23
C6
C12
C10
C19
C15
C7
C11
C20
C21
C5
C8
C14
R35
R4
C28
C22
R24
C13
C36
W18
W9
W15
W1
W21
W17
W22
W34
W26
W24
W33
W11
W37
W28
W4
W45
W14
W36
W8
W6
W7
W23
W5
W2
W25
W38
W44
RED
F2
240V
120V 120V
240V
F1
RED
-
RED
F4
F5
F6
3.15A 125V
F3 4A 125V
-35V AVR
-12V AVR +12V AVR
+5.6V AVR
+9V AVR
+5VAVR
W31
W16
R37
R25
C16
W43
C1
R26
W46
K1
T1
R21
W10
C2
C35 C34
C4
C3
C33
W39
R38
W3
W19
R36
R5
R13
W35
R1
R2
R31
R32
R28 W13
W27
W32
W12
W41
W20
W30
W42
W29
1
20
12
1
121
151
115
1
6
5
1
2
6
1
2
1
12 5
1
2
1
5
115
BE
BE
EB
B
E
EB
B
EE
BBE
Q1
Q5
D11
Q6
CN5CN6
CN4 CN3
Q8
Q2
D9
D12
D13
D4
Q3
CN8 CN7
D10
WH2
WH2
WH5
WH1
WH5
WH3/WH6
WH6
WH3
WH1
IC1
IC2
CN1
E2
E1
D7
D2
D1
D3
Q4
P1
S2
D5
D19
CN2
E3
WH4
D18 D16
D15
D17
D6
Q7
D8
D14
CN9
CN10
CN11 CN12
CN13 CN14
OGI GIO
S1
X00 E/5X00 D/5
X00 C/5
X00 B/5
X00-2940-XX A/5 (J70-1298-21): MI X00-2962-XX: V
POWER SUPPLY UNIT

KMOQSLNPRT
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
POWER AMPLIFIER UNIT RECORD/PLAYBACK UNIT
15 16
W46
R58
R57
R81
R83
R84
R82
C24
C23
C22
C21
C16
C1
C6
C15
C25
C2
C26
C5
C110
C100
C109
C85
C97
C99
C98
C62
C61
C65
C66
C60
C55
C28
C27
C10
C3
C8
C7
C36 C35
R143
R94
R144
R125
R92
R124
R60
C81
C103
C104
C58
C57
W9
W37
W26
W41
W35
W5
W61
W42
W2
W8
W62
W36
W52
W59
W60
W63
W66
W27
W53
W12
W15
W10
W11
W6
W40
W32
W19
W20
W28
W45
W43
W33
W47
W49
W38
W50
W48
SP
OUT
SW
PRET
L & R
AMP
ATT &
MUTE
W90
CS /SW
AMP
PROT
W84
W83
SW
LPF
W89
N1
A/2
R108
C77
R115
C9
C11
C84
C105
C106
R100
W21
W31
W4
W81
R116
W94
K1
C78
R10
W74
C70
R3
C67
C69 C68
R49
R63
R68
R67
R139
R27
R28
R64
R128
W7
R65
L3
R66
W71
R23
R17
R24
R15
R25
R18
R26
R16
R20
R19
R75
R167
R155
R151
R153
R154
R168
W76
R156
W91
W55
R152
R69
R73
R71
C29
L4
R76
R70
R74
R72
C30
C63 C64
W58
W13
W57
W17
W24
W30
R141
R50
W87
W56
W98
R59
R36
W101
R34
W80
R42
W78
R9
W102
R13
R45
R121 R14
R46
R7
C4
R11
C82
W23
R5
W34
W14
R38
R47
R1
R104
W92
W29
W39
W16
W18
R140
L1
R51
W22 W104
C17
R177
R48
C18
R55
W1
R54 R53
C20
R52
W88
R56
R2
R4
R12
R6
R8
W64
W82
W44
W51
W96
W97
C19
R40
W100
W67
W95
W73
R178
R107
W3
C56
W105
C59
R127
R122 R126
W93
D6
L2
LR
P2
41
58
1
15
15 1
11
9
1
1
22
1
22
ON
MT/
SW
W70
W103
11 OFF
9
W65
L
C87
W85
R77
11
C33
W72
R142
R78
C31
R
C
L
L
C37
R
R
C38
C39
W75
W69
C32
W86
K2
W77
C34
C12
E
B
B
EB
E
B
E
E
EB
B
B
E
EB
EB
BEB
E
B
E
BE
B
E
E
B
BE
EB
BE
EB
EB
BE
Q17
D28
Q14
Q7
Q8
Q27
Q26
Q25
J1
J3
P1
D2
D1
WH2
WH1
Q19
Q5
Q6
Q2
Q1
D19
Q3
CN1
IC3
D10
D9
D23
D5
IC2 IC1
D21
Q11 Q12
D4
CN2
D3
D20
D7
D25
D29
D22
E6
Q28
Q10 Q9
Q4 E1
Q13
Q18
X07-3040-2X A/2 (J70-1300-21): MI X07-3082-1X: V
J4
E2
J2
S1
E7 WH2
WH1
D8
D30
D31
X07 B/2
LR L R
C
SURROUND
SPEAKERS WOOFER
SPEAKERS
SPEAKER
CENTER
SURROUND
SUPER
WOOFER
FRONT
LR
SPEAKERS
PRE OUT
B-RCH
A-RCH
B-LCH
A-LC
BDECK
ADECK
L-OUT
A.12V
A.GND
L-OUT
R-OUT
R-OUT
B.12V
B.GND
C61
W15
R48
R47
R110
R61
VR4
R62
VR3
R89 C23
W12
R114
R95
C51
C63
C19
C55
C54
C58
C59
C26
C20
C11
C12
W16
C25
C60
W52
R33
C52
R93
R96
C56
C29
C30
C27 C28
R58
R59
R44
C57
W31
C7
C8
C71
C74
C77
C76
C72
W20
C53
C9
C10
R34
C24
C14
C13
R113
W49
C32
C31
L6
W9
R130
C100
W54
R51
R52
R55
R106
R53
R71
R54
R56
R37
R36
R46
R42
R43
R41
R40
R45
R38
R39
R21
W53
R20
R22
R24
R23
R19
R15
R14
R16
R18 R17
R32R31
R35
R30
R26
R25
R27
R29
R28
R94
R97
R100
R99 R98
R88
R87
R90
R92
R91
R101
R112
R111
R121
R124
R123
R122
R104 R103
R102
R105
R109
R108
R107
R86
R63
R64
R69 R68
R67
R125
R50
R49
R57
R60
R70
R81
R79
R82
R85
R84 R83
R74
R73
R72
R75
R78
R77
R76
R4
R5 R6
R1
R2
R3
R7
R13
R8
R9 R10
C15
C16
C1
C3 C2
C4
C68
C22
C21
C35
C34
C33
C70
C75
C36
C69
C6
C5
C67C64
C62
C66
C73
C65
C17 C18
R66
R65
W8
L1 L2
W6
W22
W13
W10
W4
W35
W14
W2
W39
W42
W36
W3
W11
W7
W5
W28
W21
W47
W19
W1
W51
W25
W27
W33
W46
W38
W48
W37
W45
W34
W17
W40
W43
W24
W26
W29
W30
W18
W32
W50
W41
W58
W23
W56
W55
W57
1
BEAT.C
MECHA. CONT.
BIAS. OSC.
DPSS
DOLBY
A/B PB&REC EQ.
SPEED. ADJ.
B-RCH
L5
VR7
L3
L4
VR2
VR5
VR8
VR1
B-LCH
117 211
1
8
111
18
22 12
18
9
16
EBBEEB
EB
B
B
E
E
BE
BE
EB
BE
9
1
16 31
111
E
B
1
16
8
9
B
BE
BE
BEE
E
B
B
B
EE
EB
EB E
EB
B
BE
E
E
EB
B
B
BE
BE
BE
Q23
Q24
Q21
Q22
Q25
Q26
Q19 Q20
D5
D10
D9
Q16
Q15
Q18
Q4
Q5
Q2
Q3
Q11
Q12
Q7
Q9
Q28
Q29
Q27
Q17
D1 D2
D7
D4
D6
D3
Q14
Q13
Q6 Q8
Q10
Q1
D8 IC6 IC5
E2
CN1
IC4
IC2
IC3
IC1
WH2
CN5
CN3
WH3
E1
X28-2980-2X: MI X28-3032-1X: V

UVXZABADWYAAAC
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
POWER AMPLIFIER UNIT
POWER SUPPLY UNIT
1817
CN5CN6
Q1
Q6
Q5
D14
D5
D4
D6
IC1
IC2
E1
Q2
Q7
Q8
D9 D7
D11
D12
D13
+5.6VAVR
-35VAVR
+9VAVR
-12VAVR
+12VAVR
WH3
Q9
S1
S2
WH1
CN2
CN1
D2
WH2
D15
WH4
Q4
D3
D8
D1
D10
X00-2930-2X A/3: MI X00-2972-10: V
WH1 WH2
E2
CN3 CN4
WH3
X00 B/3
X00 C/3
D2
D11
D14
D15
D12
D13
D21
D4
D3
D7
D8
Q3
Q2
Q4
Q21
Q20
Q23
Q22
Q17
Q19
Q18
Q1
E1
Q6 Q10
Q8
Q7
Q9
Q5
D31
D16
D5
D6
D1
PROTECT.
WH1
Rch ACLASS
Q41
D30
Q31
D9
D10
D26 D25
CN4
CN3
CN2
CN1
Q11
Q15
Q13
Q14
Q12
Q16
Q43
D33
D32
Q42
X07-3092-10: V
X07-3030-2X A/2: MI
E2
J4
WH1
S1
X07 B/2
LR
FRONT
SPEAKERS
PRE OUT
SUPER WOOFER
RL
SPEAKERS
SURROUND
SURROUND
Except M
For M
W18
R29
R30
R17
R3
R12
R16
R20
R4
R19
R27
R22
R23
R5
R11
R10
R15
R14
R9
R8
W20 C6
C14
C13
C5
C16
C1 C7
C19
C8
C11
C10
C12
C15
C28
R26
P1
W16
W4
W21
W5
W25
W11
W9
W6
W13
W14
W15 W17
W22
W19
W31
+5VAVR
120V 240V 120V 240V
RED
HC
F2
W24
R18
R1
C17
R6
C9
R34
W1
K1
T1
W26
W2
C4
C3
W12
W3
R33
W7
W27
C34
W28
R35
C2
R31
C18
R2
C20 C21
1
15
31
15
12
P2
EB
IGO
IOG
20 1
BE
BE
RED
W29
15
15
1
F1
EB
B
E
BE
BE
BE
W26 R71
R44
R121
R72
R41
R42
R112
R43
C61
C62
C66
W6
W13
C1
C2
C51
W32
R55
R56
C63
R57
R39
R103
R38
C34
C33
C36
C35
C82
R47
R48
R101
R132
R45
R46
R131 W20
W24
C41
C44
C43
C42
W42
W46 W44
W39
W37
W30
W2
R102
W33
W36
W40
W38
W12
W1
W27
W23
W14
W47
W21
W18
W16
W41
W15
W8
W22
W5
W17
W43
R40
W49
W4
W7
R62
R83
R84
R61
W48
W9
K1
W11
W45
R64
R58
W34 W31
C4
R93
R60
R86
C9
C12
C15
R36
C3
C10
C16
R35
R87
R59
R122
R11
R12
R13
R10
R5
R6
R9
R18
R19
R20
R17
R14
R15
R16
R4
R29
R28
R27
R30
R123
R37
R1 R2
R3
R23
R26
R25
R24
Lch ACLASS
C32
C81
W19
C83
C14
R128
W10
C84
C13
W35
R63
C72
C31
W50
W54
R82
R81
C25
C26
W53
R34 R32
C11
R31
W51
W52
R49
VR1
R33
VR2
R50
R127
R124
R125
R126
C30
C29
R91
R92
1
4
P1
3
1
2
1
1
12
BE
1
2
EB
R130
4ON
1OFF
MATRIX
BE
BE
BE
B
E
BE
BE
BE
EB
E
B
B
EB
E
E
B
E
B
BE
EB
BE
B
E
E
B
BE
B
E
E
B
EB EB
BE
EB

AE AG AI AK AMAF AH AJ AL AN
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
SUB-CIRCUIT UNIT
19 20
Q3
Q302
Q303
Q301
IC11
IC13
IC12
IC14
IC10
Q8
Q502
Q506
IC15
IC2
Q511
Q512
D16
IC900
Q505
Q306
Q305
Q307
Q10
D504
Q2
IC1
R120
R221
R607
R325
R384
R321
R322
R11
R327
R326
R328
R329
R323
R324
R311
R310
R317
R313
R314
R301
R304
R303
R316
R302
R552
R318
R372
R368
R369
R363
R361
R362
R366
R367 R364
R365
R360
R340
R341
R339
R344
R342
R343
R331
R330
R355
R358
R346
R345
C320
C321
C319
C317
C318
C329
C330
C324
C323
C310
C309
C307
C308
C315
C316
C322
C312
C313
C334
C337
C333
C331
C332
R359
C343
C344
C301
C305
C306
C304
C302
C303
R52
R129
C606
C57
R116
R125
R126 R123 R124
R132
R127
R131
R118
R122
R312
R1 C1
C2 R2 R5
R4 R3
C3
C27
C26
C25
C28
C51
C44
C37
C16
C15
C4
C19
C24
C23
C20
C52
C64
C56
R6
R43
R115
R44
R8 R7
C357
R35
R599
R557
R592
R18
R17
R591
R595
R21
R14
R23
R596
C45
C46
C58
R47
C66
R352
R551
R114
C5
C528
C352
C558
C345
C359
C314
C59
C566
C564
R119
C563
R601
R121
R113
R112
R319
R309
C68
R138
R332
C73
C74
R45
C355
R553
R554
R555
R315
C360
R901
R902
R558
R320
R556
R36
R382
R560
R561
R374
C556
C557
R371
R373
R38
C559
R381
C561
C562
C565
R337
C602
C54
C601
R139
C47
C48
R377
C603
C567
R209
R378
C547
R604
C53
R605
R602
C604
C605
R603
R606
C361
C50
R22
C356
C362
C49
R80
R37
R117
C368
C367
C366 C365
R207
R208
R222
81
100
51
30
64
1
25
41
40
65
80
24
80
50
31
1
24 25
40
41
64
65
80
1
18
916
14
85
14
5
8
14
5
8
EB
EB
EB
B
E
EB
EB E
B
EB
EB
EB
EB
EB
14
5
8
14
5
8
R555
EB
E
B
EB
10MHz
32.768 Hz
33.8MHz
C76
R15
R13
C11
W89
W5
W233
W184
E
B
W215
W229
W241
W85
W70
W74
W117
W90
W12
W66
W99
W151
W65
W209
W118
W224
W95
W109
W44
W40
W102
W172
W105
R165
R27
W239
W115
W119
W114
W104
W19
W156
W170
W122
W94
C10
W64
W130
C9
C18
C21
C22
C13
C14
C17
C65
C33
C34
C31
C32
C62
C35 C36
C43
C29
W143
C72
C71
C30
C42
C41
C63
W216 W204
W228
W176
W175
W163
W174
W191
W38
W185
W181
W232
W179
W180
W183
W139
W137
W165
R96
W154
W145
W50 W211
W189
W112
W97
W92
W80
W125
W14
W13
W2
W68 W78
W98
W87
W103
W100
W126
W110
W246
W131
W17
W7
W11
W18
W157
W6
W164
W15
W171
W86
W83
W25
W28
W9
W31
W33
W133
W140
W30
W36
W10
W8
W52
W41
W29
R16
R28
W34
C12
W32
W22
W59
W16
W186
W167
W208
W227 W225
W155
W91
W160
W214
W21
W60
W69
W81
W71
W158
W111
W230
W226
W201
W190
W253
W231
W236
W39
W93
W20
W67
W205
W237
W240
W238
W235
W242
W49
W73 W198
W245
W243
W247
W254
W258
W257
W256
W37
W255
W206
R19
R29
R25
R26
R24
W53
W212
W182
W187
W192
W35
W136
W127
W129
W146
W200
W202
W207
W195 W197
W222
W188
W194
W27
R142
R141
W213
W24
W54
W26
W57
W152
W219
W221
W220
W51
W178
W168
R134
W169
R137
W142
W203
W210
W141
W173
W135
W72
W4
W223
W138
W134
W147
W1
W23
W218
W3
SELECTOR&E-VOL.
MD /DVDIN
SYSTEM
CONTROLLER
MDOUT
TUNER
+5 AVR
DOLBYPROLOGIC
W503
C549
C335
C347
C342
C339
C338
C340
C341
C336
C351
C350
C348
C354
C353
C328
C325
C327
C326
W79
W148
C550
R306
W56
R308
R383
R97
R338
R156
R349
C551
R598
W149
R151
W123
W88
C61
W177
W96
W150
R152
R153
R347
W166
W120
R34
R101
R33
C546
W196
W132
R305
R350
R307
W507
R32
W75
W76
W48
W101
W108
W144
W244
W61
W193
W47
R587
R588
W82
W84
W107
W106
R30
R600
R53
W162
W43
W113
R559
W251
W252
W153
W128
W505
C364
W161
W217
W124
C349
R20
W506
R133
R348
X301
W121
C531
W248
R31
W234
R10
W63
W46
W77
R9
R351
R354
W55
W58
R136
C67
R353
C311
R375
R376
R107
R79
R128
R106
R370
R88
C60
R111
R135
R356
W62
R357
R155
W199
W159
R154
C363
R336
R335
R334 R333
W42
W116
C358
C548
R12
1
13
4
1
1
11
15
12 1
15 1
115
114
2
133
32
21
20
1
2
13
2
145
1
2
201
1
24
5
EB
EBEB
B
E
EB
EB
BE
D8
D3 D4
D1
D2
D13
D14
D6
D7
D12
D11
IC4
Q1
IC5
D507
CN1
Q304
D303
Q5
Q503
Q504
D5
CN3
Q7
D506
D505
D508
Q6
D301
D302
Q4
D509
E9
J2
E8
J1
P1
E3(WH3)
E7(WH7)
E5(WH5)
E1(WH1)
E6(WH6)
CN4
CN5
X1
X2
E4(WH4)
A1
L
R
L
R
A2 J3
WH8
E10
R562
X13-7650-2X A/2 (J70-1328-11): MI X13-7672-1X: V
FM
GND
AM
75
ANT
MD
REC
OUT
INPUT
MD/DVD
VIDEO OUT DIGITAL
OUT
OPTICAL
X13 B/2

AO AP AR AT AV AXAQ AS AU AW
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
2221
NEWS
ECHO KEY PBC
VIR. 3-ST P/L
R502
R501
R16
R15
W39
W5
W4
W13
W3
W7
W11
W1
W2
W12
R17
R18
R14
R11
R13
R12
W10
W9
W8
C15
C3
C14
C4
W16
W29
W14 W19
W26
W46
C11
W20
W15
C17
W27
C502
C12
C501
C19
C13
VOL.
JOG A
JOG B
CD PGM
TAPE
TIMER
SET
EX.BASS
INPUT
/DEMO
OPEN
/CLOSE
PLAY
PAUSE
REC A/B PLAY
FF REW.
DOLBY
(T.E.)
DISC3 DISC2 DISC3
REV.
MODE
DISC
SKIP
ED1
DISP.
TUNING
BAND
STOP
CD
STOPTAPE REV.
SURROUND KARAOKE
STAND-BY
MENU
ENTER
CANCEL
DUBB.
AUDIO RECORDING
STAND-BY
TIMER
FWD.
PLAY
MIC AMP.
HEADPHONE
GITAL ECHO
R205
R204
C164
R200 W37
C76
R70
R69
R71
R73
R72
R68
R67
C70 C73
C165
R62
R75
R74
W66
C72
W21
R5
R58
R57
R59
W30
R56
C16
C153
R118
R112
R114
R113
R117
R109
R108
R110
R116
R126
R125
R127
C74
R128
R124
R120
R119
R121
R123
R122
W23
R140
C162
R197
R54
W58
W57
W54
R199
R198
W53
W22
W18
W17
W51
W52
C67
C75
C53
C66
C52
W25
W28
W34
C65
W31
C69
W35
W36
W38
W60
W33
W55
W56
W40
W41
C59
W42
W43
C63
C62
C60
W45 W47
W48
W61
W44 W62
W50
W49
C64
C158
R146
C156
R131
R145
R139
R147
R144
R86
R87
R138
C161
C159
C160
R134
C155
R143
R149
C151
R141
C154
C157
R136
R133
W64
C163
R132
R148
R150
W63
W32
W24
R196
W6
R4
R142
R195
R194
W65
C68
R203
R202
R201 R52 R53
R55
R51
R61
C55
R63 R64
R157
R81
R79
R78
R77
C51
R151
R152
R115
R111
R89R90
R91
R155 R154 R153
R96
R107
R106
R80
R105
R104
R100
R103
R97
R102
R95
R94
R99
R85
R101
R84
C58
C57
R98
VR1
R76
R137
R135
R3
C2
110
9
8
16
1
1
4
58
28
115
9
10 1
10
1
1
982
1
10
1
62
1
32
33
64
1
8
9
16 1
3
1232
33
1
8
9
16
1
1
4
4
BE
E
B
B
E
BE
BE
B
B
E
E
EB
EB
IC51
D6
D5
IC1
J101
J2
WH4
WH3
D66
Q3
Q4
Q2
Q1
Q8
Q9
D70
D53
D1
D2
WH5
D3
D4
D56D57D58 D55 D54
WH4
CN2
CN5
IC52
IC53
D71
Q12
S14
S13 S9
S25
S26
S8
S6
Q11
S3
S16
S17
S5
S22
S20 S7 S21 S11
S19
S23
S18
S4
S12
S10
S15
S2
S24
Q10
S29 S28
S27
A1
D82
D61
D83
D60
D51
D52
CN1
D81
D80
D62
D84
D88
WH1
WH3
S1
D65
D67
X14-7040-2X A/6 (J70-1354-20): MI X14-7032-1X: V
WH1
CN4
X14 E/6
IC55
X14 B/6
X14 C/6
X14 D/6
MIC
VOLUME
MIC
PHONES
DISPLAY UNIT

23
AY BA BCAZ BB
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
R64
R65
R23
R103
R162
R59 R41 R40
R39
R38
R33
R32
R31
R37
R36
R34
R58
R57
R47
R49
R138
R137
R142
R141
R131
R129
R133
R152
R160
R186
R144R143
R161
R128
R113
R112 R111
R114
R106
R166
R104 R108 R107
R125
R124
R127
R163
R126
R122 R119
R121
R120
R30
C103
C104
C107
C106 C105
C41
C127
C126
C123
L4
R29
C131
C130
C110
C109
C108
C117
C122
C121
C119
C16
C14
C13
C17
C23
C20
C19
C2
C4
C6
C5
C40
C39
C27
C25
C24
C31
C30
C29
R28
R6
R19
R4
R2
R22
R8
R7
C137
C139
C138
C134
C144
R35
R78
C34
R105
R101
R102
L7
L8
L3
L1
R177
R24
R26
W8
W6
W7
W9
W5
W10
W1
R176
R173
C164 C163 C162
C184
C183 C182 C180
C181
C165
C178C177C176C175
C174
C166
C167
C168 C169 C170 C171
C172 C173
C179
C136
W2
C186
C185
C44
C94
R139
R140
C92
R153
R174
R184
R183
R175
R181
R172
R158
C100
R185
R180
R179
R182
R178
C151
C154
C155
R168
R167
R156
C129
R100
C161
R25
C111
C112
R79
R72
R70
C156
W3
C153
C99
C91
C90
R71
EB
EB
EB
13
45
Q3
D2
D1
IC10
D14
Q11
Q10
D3
D4
R44
R43
R42
R45
R56
R55
R54
R157
R53
R48 R46
R52 R51
R136
R130
R132
R135
R134
R151
R150
R149
R145
R147
R146
R116
R115
R169
R118
R117
R165
R164
C43
C48
C3
C1
C10
C36
C35
C32
C37
C38
C28
R1
R18
R5
R3
R15
R13
R14
R16 R17
R20
C143
C133
R21
C115
R77
R60
R61
R62
R63
R76
R109
R110
R123
R154
R148
C124
R170
R171
C159
C102
C101
C152
R99
C157
R159
C158
C160
C95
C96
C97
C93
14
FEBIAS 15
5
FE2
VC
TE2
TE1
NC
C12 C11
C116
C120
C125
C7
C9
C26
C141
C42
C135
C33
C142
C128
C18
C113
C114
C140
C118
C150
C149
VR1
X3
11
1
9
1
9
X1
71
FE1
RF
1
2
4
1
16
17 32
32
33
2
1
24
1
208 157
156
1
81
100 80
1
51
50
30
31
104 105
53
52
1
25
1
16
32
17
12 13
1
20
21
40
41
60
61 80 4141
8
58
5
26 50
BE
E
B
BE
B
EB
E
IC13
Q2
IC8 IC7
IC12
IC3
IC9
IC11
IC5
D5
D6
D7
Q1
Q6
Q7
Q5
WH1
CN5
P1
IC4
X32-3730-20 (J70-1329-12): MI X32-3792-10: V
IC2
IC1 CN3 CN4
CN1
CN2
CD PLAYER UNIT
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ABDCE
2
1
3
5
7
4
6
9
8 7 5
4
3 6P/B SW
REC SW GND CONT P/B SW VCC GND
2
REC SW
1
GND
1
2
3
L-PLAY
COM
R-PLAY
1
2
3
4
5
6
L-PLAY
L-REC
R-REC
R-PLAY
GND
ERASE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MTR SPEED A
MTR SPEED B
B PLAY SW
+5V
SENSOR OUT B
MTR+
B SOL
A SOL
R.REC
SENSOR OUTA
B PACK
A PLAY SW
GND
A PACK
F REC
B CrO2
A CrO2
22 21 20
RIN-L
RIN-R
B-1/2
1
2 3
VCC ROUT-L ROUT-R
C51 10u16
+
1u50
C60
+
10K
R93
R51
10
R35
15KC33 220P
L1 10mH
L2 10mH
C34 220P 15K
R36
10u16
C31
+
10u16
C32
10K
R50
10K
R49 180K
R1
470P
C1
470P
C2
180K
R2
470P
C4
180K
R4
470P
C3
180K
R3
1/4W
10
R52
100u16
C52
+
VR3
220K
VR4
220K
R37
10K
R38
10K
C35
220P
C36
220P
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C62 5600P
C63
10u16
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C64
0.01
R68
18K
C66
5600P
R67 18K
C65 5600P
C67 0.01
R66 R65
1/4W
2.7K
R70
R69
10u16
C55
+
10K
1.5K
R71
R55
10 1/4W
1/4W
1/4W
C30
+
2.2u50 2.2u50
C29
+
1u50
+
C28 C27
1u50
+
R30
2.2K
R32 2.7K R34 9.1K R33 9.1K R31 2.7K
R29
2.2K
C25
10u16
C26
10u16
+
3K
R114
3K
R113
+
IC1
Q23,24,28,29
Q25-27
16K
R73
2
5
4
3
10
11
12
6
47K
R74
R75
4.7K
R77
4.7K
47K
R76
VR5 4.7K
17
15
16
14
13
12
11
10
9
8
7
6
5
4
3
2
1
B
A
PLAY SW1
+5V
COLLECTOR 1
MTR +
SOL 1
SOL 2
R-REC
COLLECTOR 2
PACK 1
PLAY SW2
COM
PACK 2
F-REC
CrO2 1
CrO2 2
B
A
+
3.3 3.3
E1
+
3
2
1
6
5
4
3
2
1
+B +B
+5V
+12V
+12V
+12V
+12V
+12V
+12V
E2
E3
1K
R126 33u35
C80
+
WH2
WH3
CN3
PLAY/REC
HEAD SW
RchLch
B HEAD
A HEAD
Q21 Q22
Q11
Q12 Q1
Q2 Q3
D4
BIAS AVR
BIAS OSC
CURRENT
BIAS
CONTROL
R/P
A PB VR
ON/OFF CONTROL
ON/OFF COMTROL
B PB VR
PLAYBACK/REC
EQ.
D2
D1
Q7 Q5
Q6Q8
A SOL
CONTROL CONTROL
B SOL
A/B
TAPE SPEED
SOL
SOL
MTR
Lch
Rch
Lch
Rch
ERASE
IC1
IC3
RECORD/PLAYBACK UNIT (X28-298X-XX)
MECHANISM ASS’Y
(D40-1618-05)
MECHANISM
CASSETTE
12.2V
9.3V8.9V
9.9V
REC:
NOR: 4.7V
12.3V 5.7V
5.7V
5.7V
4.6V
WH4
W&g
?W&@g
W&@@g
.Y@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@@@@@f
?W&?2@6Kf
O&@@@@@@@?e
?@@@@(M?I'@Le
?@@He?N@1e
?@@?f@@e
?@@?f@@e
?@@?f@@e
?@@?f@5e
?@@Le?J@He
?@@)K?O&@?e
?@@V4@0Mf
?@@?h
?@@?h
?@@?h
?@@?h
?@@?h
?@@@@@@?g
O2@@6Kf
?@@(MI'@@?e
J@(YeV'@Le
7@H?e?N@1e
@@g@@e
@@g@@e
3@L?e?J@@e
N@)XeW&@@e
?@@)KO&@@@e
I4@@0Y@5e
?J@He
W&5?e
?W&(Y?e
O&(Yf
O2@0Y?f
?@@0M?g
O2@@6Kf
?@@(MI'@@?e
J@(YeV'@Le
7@H?e?N@1e
@@g@@e
@@g@@e
3@L?e?J@@e
N@)XeW&@@e
?@@)KO&@@@e
I4@@0Y@5e
?J@He
W&5?e
?W&(Y?e
O&(Yf
O2@0Y?f
?@@0M?g
?@@?e
?@@?e
W&g
?W&@g
W&@@g
.Y@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@@@@@f
W&g
?W&@g
W&@@g
.Y@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@@@@@f
?@@?e
?@@?e
W&g
?W&@g
W&@@g
.Y@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@g
@@@@@@f
?O2@@@e
?W2@0Mf
W&(Mg
?W&(Y?g
?7@Hh
J@@=h
7@S@@@6Kf
@@(M?I'@@?e
@@H?eV'@Le
@@f?N@1e
@@g@@e
@@g@@e
3@L?e?J@5e
N@)XeW&@He
?@@)KO&@@?e
I4@@0Mf
?
?
?
?
?
?
?
?
?
?
?
?
?
?@@?e?
?@@?e?
?
?
?
?
?
?
?
?@@?e?
?@@?e?
?
?
?
?
?
?
?
W2@@6Xf
?W&(MI')X?e
?7@HeN@1?e
J@5?e?3@Le
7@H?e?N@1e
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@@g@@e
@@g@@e
@@g@@e
@@g@@e
@@g@@e
3@L?e?J@5e
N@1?e?7@He
?3@LeJ@5?e
?V')KO&(Y?e
V4@@0Yf
W2@@6Xf
?W&(MI')X?e
?7@HeN@1?e
J@5?e?3@Le
7@H?e?N@1e
@@g@@e
@@g@@e
@@g@@e
@@g@@e
@@g@@e
@@g@@e
3@L?e?J@5e
N@1?e?7@He
?3@LeJ@5?e
?V')KO&(Y?e
V4@@0Yf
?
?
?
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?
?
?
?
?@@@@@@@@6K?e?
?@@?eI'@@e?
?@@?e?N@@L??
?@@?f@@1??
?@@?f@@@??
?@@?f@@5??
?@@?e?J@@H??
?@@?eO&@@e?
?@@@@@@0M?e?
?@@?h?
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?
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?
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?
@@@@he@@@@@??
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@??3@Le?J5??@@?e?
@??N@1e?7H??@@?e?
@?e3@L??@e?@@?e?
@?eN@1?J5e?@@?e?
@?e?3@W&He?@@?e?
@?e?N@@@?e?@@?e?
@?f3@5?e?@@?e?
@?fN@H?e?@@?e?
@@@@@?e?@e?@@@@@@??
?
?
?
?
?
?
?
W26Xf
7<B1f
3=C5f
W2@@6XfV40Yf
?W&(MI')X?he
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?W&(Y?e?V')X?h
W&(YgV')Xh
@?&@H?g?V')X?g
3@@5heV')Xg
V40Yhe?V')K?f
V'@6X?e
?V'@)Xe
V'@1e
?V4@e
?O26X?e
?@K?f?O2@@@@@@@@@1?e
?3@@@@@@@@0Mg?I@?e
?V40M?
@@6Khe'6X?e
?I'@@?f?'6XV'1?e
V4@?f?V'1?V'?e
V'g
?@@6K?
I'@@hfW.f
?V4@he?W&Hf
W&5?f
?W&(Y?f
W&(Yg
?W&(Y?g
O&(Yh
W2@(Y?h
?O&@0Yhe
?O2@(Mhf
?@KO2@@0Y?hf
?3@@@0M?hg
?V40M?
O2@6X?f
W2@@@@)Xf
7(M?I'@1f
(Ye?N@@f
?J@5f
W&(Yf
?W&@g
?&@@)Xf
?I')X?e
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?@@?e
?@5?e
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3@)K?O&@f
V4@@@0M?f

OFHJLNGIKM
RXD-V525/V626/V727/V828
Y39-3270-21
1
2
3
4
5
6
7
8
9
10
11
MECHA+12V
+12V
M-GND
L-PLAY
A-GND
R-PLAY
BIAS-GND
L-REC
R-REC
+5V
D-GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
PH A
DPSS
PS IN
PS LOAD
CLK
A-SOL
CPM
B-SOL
BEAT-C
BIAS
NOR
R/P
DOLBY
D-R/P
B 1/2
A 120/70
A/B1
A/B2
PH B
LMUTE
N.C
19 18 17 16 15 14 13 12
A/B
A-N/C
PNF-L
PSQ-L
OUT-L
OUT-R
PSQ-R
PNF-R
4
5 6 7 8
9
10
11
REC-RST BIN-L BIN-R VREF AIN-L AIN-R IREF GND
2
1
4
3 6 5 8 7
F REC PS IN B CrCO2 A CrCO2
B PLAY
PS LOAD
VCC 15
16 13 14
GND CLR
A PLAY
B PACK
R.REC
CLK INH A PACK CLK
11 12 9 10
2
1
4
3 6 5 8 7
VREF BIAS VCC GND 15
16 13 14
R
R/P
DOLBY L
11 12 9 10
1/4W
1K 10 R57
100u16
C56
+
R56
R94
22K
10K
R72
20K
R5
20K
R6
0.01
C5
220K
R9
13K
R7
220K
R10
0.01
C6
270
R13
270
R45
270
R46
270
R14
VR7
330
VR1
330 330
VR2
330
VR8
1.2K
R111
R109
1.2K
1.2K
R110
1.2K
R112
47K
R121
47K
R122
13K
R8
L4
6800P
C22
R28 3.9K
C21
6800P
R27 3.9K
L3
2.2u50
C20
+
2.2u50
C19
+2.2u50
C13
+
2.2u50
C11
+
R15
1.5K
R53
100u16
C54
+
3300P
+
C58
+
C59
22u16
0.22
C15
1.5K
R24
1.5K
R23 22K
R62
R61
22K
14
+
C12
2.2u50
R60
18K
2.2u50
C14
+
10 1/4W
1.5K
R16
11
6
W28
W25
0.22
C16
3300P
C18
1u50
100K
R47 R48
100K
1K
R25
470K
R41 R42
470K
1K
R26
3
24
1
5
6
87
DET
RREC-OUTL
PLAY-OUT RL
L PLAY-IN R
REC-INLR
13
R22
10K
R20
390
R18
10K
2.2u50
C8
C24 270P
C17
1/4W
10
4.7u35
C10
+
4.7u35
C9
+
10K
R17
R19
390
2.2u50
C7
C23 270P
R21
10K
+
C53
100u16
2.2K
R124
2.2K
R123
22u16
C57
+
R54
W34
W32
5
6
87
3
24
1
100K
R101
C75 220P
1u50
C74
+
3.3K
R100
10K
R125
10u16
C76
+3.3K
R104 1K R105
10K
R102
4.7K
R103 1u50
C77
+
R39
56K
56K
R40
3300P
C73
10K
R98 R99
220K
R97
10K
C72
100u16
++
C71
10u16
220P
C70
470
R106
6
11
C68
470P
C69
0.01
4
2 3 5
3 5
4
1K
R91
1K
R92
3
4
5
12
11
10
7 8
47K
R78
R79
4.7K
10K
R85 10K
R86 10K
R87 10K
R88 10K
R83 10K
R81 10K
R82 10K
R84
R89
68K
R90
68K
16
17
18
14
13
15
12
11
10
8
6
7
11
10
15 17 16
12
18
R96 1K
R59 3.9K R58 9.1K
R95 1K
1/4W
UNIT No.
0-10
DESTINATION
COUNTRY
MALAYSIA
GENERAL MARKET M
I
ABB.
NO
AEB
YES
VSHANGHAI
UNIT No.
0-11
DESTINATION
MALAYSIA
GENERAL MARKET
COUNTRY M
I
ABB. 26
C25,
NO
A
NO YES
EB
YESNO
114
R113,
34
R33,
YES
34
W32,
C25,
26
R33, R113,
11434 W32, 34
YES NO YES NO
IC4
B
+B
L6
10uH
1
C100
100K
R130
+12V+B +12V
+5V
+12V
+5V
+5V
+5V
+12V
+5V
+12V +12V
+5V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V +12V
+12V
+12V
+5V
+5V +5V
+12V
+12V
A
GENERAL MARKET
DESTINATION
COUNTRY
MALAYSIA
SHANGHAI
ABB.
M
I
V0-10
UNIT No. R113,
34
NOYES YES
EBR33, 114 26
YESNO
C25, 34
NO
W32,
A
GENERAL MARKET
DESTINATION
COUNTRY
MALAYSIA
SHANGHAI
ABB.
M
I
V0-10
UNIT No. R113,
34
NOYES YES
EBR33, 114 26
YESNO
C25, 34
NO
W32,
0.022
C78
0.022
C79
CN1
CN5
D5
Q4
CONTROL
BIAS
Q25 Q23 Q26Q24
B DECK
PLAY
LEVEL
A
DOLBY
B
Q27
Q28
Q29
OPE AMP
(Lch) LEVEL (Lch)
A DECK
PLAY LEVEL
(Rch)
A DECK
PLAY LEVEL
(Rch)
B DECK
PLAY (2/2)
IC5
IC5
(1/2)
B
(2/2)
IC6
D7
D6
IC6
(1/2)
E
D3
Q9
Q10
CONTROL
CPM
D9
D10
D8 : HZS5.1N(B2) or MTZJ5.1(B)
D5 : HZS5.6N(B2) or MTZJ5.6(B)
D1-4,6,7,9,10 : 1SS133 or HSS104A
Q21,29 : KRA103M or DTA124ESA
Q11,12,23-26 : KTC3199(Y,GR) or 2SC2785(F,E)
Q6,8,10 : 2SA1286-T11
22,27,28 : KRC103M or DTC124ESA
Q2-5,7,9,
Q1 : KTC3205 or 2SC3940A(R,S)
IC5,6 : NJM4565L
IC4 : HD74HC166P or TC74HC166AP
IC3 : BA3126N
IC2 : HA12136A
IC1 : HA12219NT
RXD-V626 (X28-2980-10)
RXD-V525 (X28-2980-11)
-E3
X13-A/2
2/8
2/8
-CN4
X13-A/2
BIAS
TYPE I
CONTROL
D8
RECORDING LINE
GND LINE
SIGNAL LINE
B LINE
B LINE
RXD-V727 (X28-2980-10)
RXD-V828 (X28-2980-10)
IC4
IC2
(X28-298X-XX)
A
B
RXD-V525/V626/V727/V828 (1/8)
5.0V 12.3V
10.6V
5.0V
12.3V
5.7V
5.7V
5.7V
5.7V
0V
0V
5.3V
5.7V 5.3V 5.7V
12.3V
6.0V
1.0V
PB: 0.5V
REC: 4.7V
6.1V
6.1V
12.2V
6.1V
5.8V
4.7V
6.0V
6.0V
6.1V
6.1V
CAUTION: For continued safety, replace safety critical components only with manu-
facturer's recommended parts (refer to parts list). indicates safety critical compo-
nents. 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 instruments used or on the product. Bias circuit DC
voltage is measured while in the record mode.