Arcam DiVA CD73 User manual

SERVICE MANUAL
CD73
COMPACT DISC PLAYER
CONTENTS Page
SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
FRONT PANEL AND REAR PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
DISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
RF PATTERN TESTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
IMPORTANT NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9
PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-12
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-18
IC BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19-24
TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26-31
MECHANISM EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
MECHANISM EXPLODED VIEW PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
EXPLODED VIEW PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

CD73 COMPACT DISC PLAYER
- 2 -
Disc Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . One Disc, 120 or 80 mm
Decoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WOLFSON Delta Sigma 24bit
Digital Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Times oversample
Analog Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 pole active
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/- 0.5 dB, 0.3Hz - 20kHz
THD (at 0 dB, 1kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.003%
Intermodulation Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . < - 100 dB
(19 + 20 kHz)
Dynamic Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 dB
Linearity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/- 0.5 dB, 0 dB to -80 dB
Signal / Noise Ratio (A-Weight) . . . . . . . . . . . . . . . . . . . . . . . ≥100 dB, De-Emphasis on
≥100 dB, De-Emphasis off
Channel Separation 1kHz . . . . . . . . . . . . . . . . . . . . . . . . . . >90 dB
10 kHz . . . . . . . . . . . . . . . . . . . . . . . . >80 dB
Output Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 Ω
Output Level at 0 dB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 V rms
Digital Error Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IRC with double error correction in C1 and C2
Digital Code Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sony / Philips Serial data format
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23W
CONTROLS
Load, Play / Pause, Stop, Track (< >), Scan (< >).
PHYSICAL SPECIFICATIONS
Dimensions 430 x 85 x 290 mm
(Width x Height x Depth)
Net weight 4.6 kg
Shipping weight 6.5 kg
SPECIFICATION

CD73 COMPACT DISC PLAYER
- 3 -
1765432
12 3 45 67
FRONT PANEL & REAR PANEL
1. FRONT PANEL
2. REAR PANEL
1. POWER
2. LOAD
3. PLAY
4. STOP
5. PAUSE
6. SEARCH
7. SKIP TRACK
1. SOCKET FOR IEC POWER INLET LINE
2. VOLTAGE SELECTOR SWITCH
3. AUDIO OUTPUT SOCKETS
4. COAXIAL DIGITAL OUTPUT SOCKET
5. OPTICAL DIGITAL OUTPUT SOCKET
6. REMOTE IR INPUT
7. 12V TRIGGER INPUT

CD73 COMPACT DISC PLAYER
- 4 -
DISASSEMBLY INSTRUCTIONS
1. Remove machine screws M 4.0 x 6.0 ( 1 to 4 ) from the side panels.
Remove tapping screw 3.0 x 8.5 ( 5 )from the back panel.
Refer to Figure No.1.
Figure No.1
2. Pull both sides of the TOP COVER slightly outwards 6 and tilt approx. 35˚ and then remove
in the direction as indicated by the arrow 7 . Refer to Figure No.2.
Figure No.2.
5
4
1
2
3
7
6
6

CD73 COMPACT DISC PLAYER
- 5 -
U701 M38B79FFFP SYSTEM CONTROL CPU & VFL DISPLAY DRIVER
Q407-Q410 MUTE
M401 RCA JACK
6N135
OPO301
Q701
M301 IR_IN
M407
RCA JACK
DIGITAL
OUTPUT
M701
VFL DISPLAY
M304
TRIGGER IN
94 12 47 13 43 27 92 28 6231
1
35 48 3
32
20
97 98 99 52 88
27
1 3
16 13
4
64 6361 66
51 59 40 41 43
39 40 45 43
41 42
1 9
2 4
3 6
60
L
R
L
R
CD AUDIO
O/P
25 12 15
16 18 28
U201
LXD3017Q
DSP
1
27
6 2
11
U101
CX2581
RF AMP
RFAC
FE
SETE
RFDC
SRDR
SFDR
FRDR
FFDR
TRDR
TFDR
SPDR
LOADING
MOTOR
DISCO
DISW
LOADING MOTOR
LIMIT SWITCH
SPINDLE
MOTOR
SLED
MOTOR
PU-IN
LIMIT SWITCH
PICK
UP
DISC
M702
REMOTE
SENSOR
CD MECHANISM UNIT
POWER
TRANSFORMER
AC POWER I / P
SK501
Q101
U401 WM8740E
U404 U403
U501,U502
DIGITAL
POWER
U507
DIGITAL
POWER
U504-U506
ANALOGUE
POWER
+8V +5V
+3.6V
+12V 5V
-12V
BR501
RECTIFIER
DIODES
BR502
RECTIFIER
DIODES
U503
REGULATOR
-30V
F1 F2
D505
RECTIFIER
DIODES
U407
74HCU04
INVERTER
GATE
M402
EMC FILTER
L406
DIGITAL COIL
M406
OPT JACK
DIGITAL
OUTPUT
TK501
Q310
RL501
RELAY
RL502
RELAY
Q312
Q103
426 27
1 2
12 13 16 17
5 9
10 20 19 24
15
29 28 33 32 31 30 26 27
U202
BA6392
KEYBOARD
SW702 SW703 SW708SW707
SW706LOAD
SW701 PAUSE
SW704 SW705
BLOCK DIAGRAM

CD73 COMPACT DISC PLAYER
- 6 -
WIRING DIAGRAM
TRANSFORMER
AUDIO OUTPUT BOARD
MAIN BOARD
KEY BOARD
LED BOARD
M102
(16PIN)
AC INLET
SK501
M502
M105A
(6PIN)
CD MECHANISM
M101
(5PIN)

CD73 COMPACT DISC PLAYER
- 7 -
RF PATTERN TESTING
ARCAM - CD73 PCB TESTING POINTS DIAGRAM
TESTING PROCEDURE
(1) Load the test disc (Sony Test CD YEDS-7) and set the unit into PLAY mode.
(2) Connect the scope to R227 (Pin 15 of U101) and DGND (R116).
Scope setting: Coupling : AC.
Vertical sensitivity : 0.2 V/ div.
Horizontal time base : 0.5 µS/div.
(3) Observe the waveform is 2.0V p-p +/-5% and the eye pattern is at its best shape (see FIG. 1).
FIG. 1 (a) FIG. 1 (b) Poor eye pattern
FIG. 1 (C) Good eye pattern
3T 4T 5T — 11T

CD73 COMPACT DISC PLAYER
- 8 -
INSTRUCTION FOR HANDLING OPTICAL SYSTEM BLOCK PICK-UP
Electrostatic breakdown of the laser diode in the optical system block may occur due to a potential difference caused
by electrostatic charge accumulated on clothing, human body, etc. A ground must be provided as follows to prevent
any electrostatic charge during unpacking or repair work.
1. Ground for Human Body
Be sure to wear a ground band (1M ohm) that is properly to remove any static electricity that may be charged on the
body.
2. Ground for Work Bench
Be sure to place a conductive sheet (1M ohm) or copper plate with proper grounding on the work bench or other sur-
face on which the pick-up is to be placed.
3. Because the static electricity charge on the clothing does not discharge through the body grounding band, do not
let clothing to get in contact with the pick-up unit.
INCORRECT CORRECT
NOTE: Laser diodes are so susceptible to damage from
static electricity that even if a static discharge does not
ruin the diode, it can shorten its life or cause it to work
improperly.
1.Grounding band
1M ohm
1M ohm
2.Conductive Sheet
or Copper Plate
IMPORTANT NOTES
SHOW THE SOFTWARE VERSION
Press " I< "(TRACK), " STOP ", " I< "(TRACK) will show the software version under STOP mode with disc inside. It
will return to normal after 2 seconds.
JUMPER SETTING BETWEEN CD73 & CD83
Location CD73 CD83
PL100 OPEN OPEN
PL202 OPEN SHORT
PL203 SHORT OPEN
PL204 OPEN SHORT
PL205 SHORT OPEN
PL300 1/2 SHORT 2/3 SHORT
PL400 SHORT OPEN
PL401 SHORT OPEN
PL402 SHORT OPEN
PL403 OPEN SHORT

CD73 COMPACT DISC PLAYER
- 9 -
PRECAUTIONS FOR CHECKING BEAM EMISSION
The laser beam of this unit is focused on the reflecting surface of the objective lens in the optical system block.
Therefore, keep your eyes at least 12 inches (30 cm) away from the objective lens when the laser diode is ON.
(Operation Check Method for Laser Diode and Focus Search Function.)
When the POWER switch is turned ON after the chucking plate is removed, observe the objective lens and confirm
that the following operations are performed properly.
(The optical system should be at the lead-in area position when it is checked at this time.)
(1) The laser should be at the innermost position after the chucking plate is removed.
(2) The diffused light of the laser beam can be seen when the POWER switch is turned ON.
(3) Vertical (up and down) movement of the objective lens (2 or 3 times) will take place.
PRECAUTIONS WHEN CHANGING LASER PICK-UP
When removing the pick-up assembly, short circuit
the PCB tracks on the optical block as show in the
drawing in order to protect the pick-up before
removal.
NOTE: Replacement pick-up assemblies are sup-
plied with the PCB pattern already protected.
DO NOT REMOVE THE SHORT CIRCUITS
UNTIL YOU HAVE FINISHED FITTING THE
PICK-UP.
Caution:
Laser diodes are extremely susceptible to damage
from static electricity. Even if a static discharge
does not ruin the diode, it can shorten its life or
cause it to work improperly. When replacing the
pick-up, use a conductive mat, a grounded solder-
ing iron, and so on, to protect the laser diode from
static damage.
Ground Conductive
Wrist Band for Body
Ground Line
Less than
10 ohm
Conductive Gum Mat
Soldering
Iron with
Ground
wire
Protective soldering place
for laser diode

CD73 COMPACT DISC PLAYER
- 10 -
PCB LAYOUT
KEY BOARD _ Component Side
KEY BOARD _ Solder Side
AUDIO OUTPUT BOARD
Component Side Solder Side
LED BOARD
Component Side Solder Side

CD73 COMPACT DISC PLAYER
- 11 -
MAIN BOARD _ Component Side

CD73 COMPACT DISC PLAYER
- 12 -
MAIN BOARD _ Solder Side

CD73 COMPACT DISC PLAYER
- 13 -
DISPLAY
SCHEMATIC DIAGRAM
PA5
1
PA4
2
PA3
3
PA2
4
PA1
5
PA0
6
P97
7
P96
8
P95
9
P94
10
P93
11
P92
12
P91
13
P90
14
P83
15
P82
16
CNVSS
17
RESET
18
P81
19
P80
20
VSS
21
XIN
22
XOUT
23
VCC
24
P77
25
P76
26
P75
27
P74
28
P73
29
P72
30
P71
31
P70
32
P67
33
P66
34
P65
35
P64
36
P63
37
P62
38
P61
39
P60
40
P57
41
P56
42
P55
43
P54
44
P53
45
P52
46
P51
47
P50
48
P47
49
P46
50
P45 51
P44 52
P43 53
P42 54
P41 55
P40 56
P37 57
P36 58
P35 59
P34 60
P33 61
P32 62
P31 63
P30 64
FLD23 65
FLD22 66
FLD21 67
FLD20 68
FLD19 69
FLD18 70
FLD17 71
FLD16 72
FLD15 73
FLD14 74
FLD13 75
FLD12 76
FLD11 77
FLD10 78
FLD9 79
FLD8 80
FLD7 81 FLD6 82 FLD5 83 FLD4 84 FLD3 85 FLD2 86 FLD1 87 FLD0 88
VEE 89
PB6 90 PB5 91 PB4 92 PB3 93 PB2 94 PB1 95 PB0 96
AVSS 97 VREF 98
PA7 99 PA6 100
U701
M38B79
F1
1
F1
2
NC
3
14G
4
13G
5
12G
6
11G
7
10G
8
9G
9
8G
10
7G
11
6G
12
5G
13
4G
14
3G
15
2G
16
1G
17
NC
18
P1
19
P2
20
P3
21
P4
22
P5
23
P6
24
P7
25
P8
26
P9
27
P10
28
P11
29
P12
30
P13
31
P14
32
P15
33
P16
34
P17
35
P18
36
P19
37
P20
38
P21
39
NC
40
F2
41
F2
42
M701
CD73VFD
X701A
4MHZ
C702
20pF
12
SW701
OPEN
R702
680R
R703
1K
R704
1K5
R705
2K2
R706
3K3
R707
6K8
R708
10K
12
SW702
PLAY
12
SW703
STOP
12
SW704
PAUSE
12
SW705
FR
12
SW706
FF
12
SW707
PREV
12
SW708
NEXT
R709
10R
R701 6K8
C703
10uF
XLAT SQCK SQSO
CLOK
DATA
RESET
SCLK
SENS
SCOR RMIN LOAD UNLD DISCO DI/SW
RW
CD/CDR 1/2X SYSM MUTE
+5V(D)
-30VF
DAT 1
GND 2
VCC 3
M702
IR
+5V(D) R710
10
C705
47uF/10V
R712
1K
R713 10K
+5V(D)
IRIN
C704
103
1
2
3
Q701
8050
R714
10K
R716 560
LED701
STANDBY & POWER ON
R715 560
R717 10K
+5V(D)
TRIGIN
STANDBY
TGAUTO
TRIG
DGND
DGND
DGND
DGND
DGND
DGND
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 27 28 29 30 31 32 33 34 35
M703
35PIN
+5V(D)
F1
F2
DGND
IRIN SYSM MUTE DI/SW DISCO LOAD RMIN SCOR CLOK TRIGIN STANDBY XLAT SOCK SQSO DATA SCLK
RESET
CD/CDR
(TO MAIN BOARD M403)
RW
1/2X UNLD
SENS -30VF
R720
4K7
R721
4K7
DGND
DGND
R719
3K3
R718
3K3
DGND DGND
L701
10uH
C706
103
TRIGSW
R722
47K
R723
47K
R722
47K
R722
47K
R722
47K
-30V
TRIGSW
C713
10u/6.3V
C714
104
C701
20pF
D701
IN4148
R727 NF
R711 0R0
NF
XRST
XRST
C715
NF
DGND
1
2
3
M705
DGND
DGND SNAP OFF BOARD
LED
1
2
3
M704
(FROM M704)
(TO M705)
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W UNLESS
OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS
OTHERWISE SPECIFIED.

CD73 COMPACT DISC PLAYER
- 14 -
DA
LRCKIN
ADATA
BCLK
X401A
16.9344MHz
C437
560P PP
R418
2K7 MF
R424 6K8 MF
C441 220P PP
R416
8K5 MF R428
2K7 MF
R430
1K8 MF
R434
100K MF
C443
1N3 PP
C449
470N PE
C445
100N PB
C447 220P PP
R440
75R MF
R436
1M0 MF
DGND
C410
10U SILMIC
R407
330R MF
C408
10U SILMIC
C411 100N PE
6
5
7
U403B
NJM2114D
2
3
1
U403A
NJM2114D
AGND
R438
1K0 MF
R432
3K9 MF
L401
BL01RN1
AVDD
VOUTLN
VOUTLP
VMIDL
AGNDL
AVDDL
ZERO
RSTB
CSBIWO
MODE
MUTEB
MD/DM0
MC/DM1
ML/12SLRCIN
DIN
BCKIN
MODE8X
SCLK
DIFFHW
DGND
DVDD
AVDDR
AGNDR
VMIDR
VOUTRP
VOUTRN
AGND
215
16
17
18
19
20
21
22
23
24
25
26
27
281
2
3
4
5
6
7
8
9
10
11
12
13
14
U401
WM8740
C407
100N PE
C409
100N PE C412
100N PE
+5V(DAC)
+5V(DAVC)
C414
100N PE
C413
10U SILMIC
AGND C418
10U SILMIC
C417
100N PE
C415
100N PE
C416
10U SILMIC
+5V(DAC)
+5V(DAC)
R445
10K MF
D406
1N4148
EMPH
C435
560P PP
R422
2K7 MF
R414
8K2 MF
C439
220P PP
R420
6K8 MF
2
3
1
U405A
TL072CP
R426
680R MF
-12V(A) -12V(A)
RLY401A
DPDT
C438
560P PP
R419
2K7 MF
R425 6K8 MF
C442 220P PP
R417
8K5 MF R429
2K7 MF
R431
1K8 MF
R435
100K MF
C444
1N3 PP
C450
470N PE
C446
100N PB
C448 220P PP
R441
75R MF
R437
1M0 MF
6
5
7
U404B
NJM2114D
2
3
1
U404A
NJM2114D
R439
1K0 MF
R433
3K9 MF
C436
560P PP
R423
2K7 MF
R415
8K2 MF
C440
220P PP
R421
6K8 MF
6
5
7
U405B
TL072CP
R427
680R MF
-12V(A) -12V(A) RLY401B
DPDT
L402 BL01RN1
+5V(DAC)
C421
100N PE
C419
100N PE C420
10U SILMIC
1
2
3
4
M404
8
4
U403C
NJM2114D
8
4
U404C
NJM2114D
8
4
U405C
TL072CP
-12V(A)
+12V(A)
C403
100N PE
C404
100N PE
C405
100N PE
C406
100N PE
C402
100N PE
C401
100N PE
12
U402A
74HCU04
34
U402B
74HCU04
56
U402C
74HCU04
98
U402D
74HCU04
11 10
U402E
74HCU04
13 12
U402F
74HCU04
14
7
U402G
74HCU04
R409
330R MF
R410 1M0 MF R408 4M7 MF
R411
330R MF
R412
120R MF
R413
120R MF
1
2
3
Q403
BC547B
R405
33K MF
R406
1K0 MF
R404
33K MF
C428
33P CD
C429
100P CD
C430
100P CD
C431
10N CD
C425
100N CD
C432
1N0 CD C433
10P CD
C434
10P CD
L403
BL01RN1
C426
22U EL OS
C427
10N CD
+5V(D)
17MHz
DACLK
L405
33uH AX
L404
BL01RN1
R402
10K MF
R403
1M0 MF
R401
10K MF
C422
100N CD
C423
100N CD
D402
1N4148
C424
47U EL
+5V(D)
RESET
DACLK
12
U407A
74HCU04
34
U407B 74HCU04
56
U407C 74HCU04
98
U407D 74HCU04
11 10
U407E 74HCU04
13 12
U407F 74HCU04
14
7
U407G
74HCU04
R453
120R MF
R454
10R MF
R455
10R MF
R456
10R MF
R457
10R MF
R464
10R MF
R452
10R MF
C458
470N PE
C462
10N CD
C463
22U EL OS
I/P
1
3
2
GND
VCC
M406
OPTICAL OUTPUT
+5V(D)
+5V(D)
DIGOP
1
2
M407
DIGITAL OUT
R451
75R
1
2
3
4
L406
R450
150R
C466
2200p
Vin
GND
Vout
1
2
3
M402
DSS9H
C467
104K
J401
C465
22u/10V
C464
1000p
AGND
AGND
AGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
(TO M405)
1
2
M401A
L
1
2
M401A
R
3
2
M401B
R
3
2
M401B
L
1
2
3
4
M405
C453
470P NPO
C452
470P NPO
C451
100N CD 50V
C455
470P NPO
C454
470P NPO
EMC
EMCGND
AGND
SNAP OFF BOARD
MUTE
D404 1N4148
1
2
3
Q407
2SD655F
1
2
3
Q408
2SD655F
1
2
3
Q409
2SD655F
1
2
3
Q410
2SD655F
R475
4K7
R473
75R MF
R474 75R MF
R477
4K7
R478
4K7
R476
4K7
R479
4K7
-12V(A)
OPTION
+5V(A) +5V(DAC)
PL401
JUMPER
(DAC enable jumper)
PL400
JUMPER
(Oscillator enable jumper)
(Master clock to DAC)
(Master clock to DSP)
C472
3N3
C473
3N3
NF
R442
22R
C456
4700uF/6.3V ZL
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W
UNLESS OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%.
UNLESS OTHERWISE SPECIFIED.

CD73 COMPACT DISC PLAYER
- 15 -
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W
UNLESS OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%.
UNLESS OTHERWISE SPECIFIED.
DSP BOARD
SL+ 1
SL- 2
RCIN1 3
SRDR 4
SFDR 5
VREFI 6
VREFO 7
GND 8
FRDR 9
FFDR 10
RCIN2 11
FCS+ 12
FCS- 13
GND1 14 MUTE
15 TRK+
16 TRK-
17 RCIN3
18 TFDR
19 TRDR
20 VCC
21
VCC1
22 VBIN
23 SPDR
24 VBIN1
25 SP-
26 SP+
27 GND2
28
GND 29 GND
30
U202
BA6392FP
SQSO 1
SQCK 2
XRST 3
SYSM 4
DATA 5
XLAT 6
CLOK 7
SENS 8
SCLK 9
VDD 10
ATSK 11
SPOA 12
SPOB 13
XLON 14
WFCK 15
XUGF 16
XPCK 17
GFS 18
C2PO 19
SCOR 20
COUT
21
MIRR
22
DFCT
23
FOK
24
LOCK
25
MDP
26
SSTP
27
SFDR
28
SRDR
29
TFDR
30
TRDR
31
FFDR
32
FRDR
33
VSS
34
TEST
35
TES1
36
XTST
37
VC
38
FE
39
SE
40
TE
41
CE
42
RFDC
43
ADIO
44
AVSS0
45
IGEN
46
AVDD0
47
ASYO
48
ASYI
49
BIAS
50
RFAC
51
AVSS3
52
CLTV
53
FILO
54
FILI
55
PCO
56
AVDD3
57
VSS
58
VDD
59
DOUT
60
LRCK 61
PCMID 62
BCK 63
EMPH 64 XVDD 65
XTAI 66
XTAO 67
XVSS 68
AVDD1 69
AOUT1 70
AIN1 71
LOUT1 72
AVSS1 73 AVSS2 74
LOUT2 75
AIN2 76
AOUT2 77
AVDD2 78
RMUT 79
LMUT 80
U201 CXD3017Q
R2014K7 R2021K R2031K R2041K R205
1K
R2061K
R2071K R2091K R2101K R2111K
R212 100K R213 10K
R214 8K2
R215
4R7
R217
1K
R21815K
R21915K
R220100K
R222
JUMPER
R223 33K
R224 10K
R225 100K
R226
1M
R227
100
R228
3K3
R229
3K3
R230
10K
C2070.1u
C208
0.1u
C209 1500p
C210 0.1u
C211 27p
C212 27p
C214
470p
C215
470p
C213
0.1u
XLAT
DATA SYSM
XRST
SQCK
SQSO
/SQSO
/SQCK
/XRST
/SYSM
/DATA
/XLAT
/CLOK
/SENS
/SCLK
/SCOR
/SQSO /SQCK /XRST /SYSM /DATA /XLAT /CLOK /SENS /SCLK /SCOR
+3V6(D)
C201 220p
C202 220p
C203 0.01u
C204 220p
C205 220p
C206 330p
CLOK
SENS
SCLK SCOR
CLOK SENS SCLK SCOR
SFDR
SFDR
SRDR
SRDR
TFDR
TFDR
TRDR
TRDR
FFDR
FFDR
FRDR
FRDR
SPDR
SPDR
VC
C229
470U/16V
TP213
XRST
TE SE FE
FE SE TE
C217 0.1u
C216 0.01u
C219 0.47u
C218
100p
C221 103J
RFDC RFAC
C220 0.47u
C223
1500p
C222
0.1u
X210A
16.9344MHZ
C225
20PF
C224
20PF
EMPH
BCK
PCMD LRCK
XLAT DATA SYSM SQCK SQSO
RFDC RFAC
1 2 3 4 5 6
M105 6PIN
FCS-
FCS+ TRK-
TRK+
C226 0.33u/50V
FCS- FCS+
TRK- TRK+
EMPH
BCK
PCMD LRCK
C227 0.1u
CN202 DEBUG
CLKO
DIGOP
+8V
VC
+3.6V(D)
+3.6V(D)
+3.6V(D)
CLKO
XRST
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+3.6V(D)
+3.6V(D)
(TO CD MECHANISM)
OPTION

CD73 COMPACT DISC PLAYER
- 16 -
IR AMP
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
27
28
29
30
31
32
SK301 32PIN
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
27
28
29
30
31
32
33
34
35
M403 35PIN
12
U406A
74HCU04
34 U406B
74HCU04
56 U406C 74HCU04
98 U406D 74HCU04
11 10
U406E 74HCU04
13 12
U406F 74HCU04
14
7
U406G 74HCU04
R459 330R MF R461 330R MF R463 330R MF R462 330R MF R460 330R MF R458 330R MF
MUTE
RESET
EMPH
+5V(D)
F1 F2
AGND
DGND
C341
150P
R306
22K
R309
1K5
R308
470K
R305
10K
+5V(D)
+5V(D)
C469
100N CD
BCK PCMD LRCK
BCLK ADATA LRCKIN
IRIN
SYSM
MUTE
DI/SW
DISCO
LOAD
RMIN
SCOR
CLOK
TRIGIN
STANDBY
XLAT
SOCK
SQSO
DATA
SCLK
1 3 2
M301
3 2
1
U301A
TS972ID
C316 100N
R303
3K3
R311
1K2
5 6
7
U301B
TS972ID
R304 680K
4 8
C340
150P
R316
3K3
R310
2K2
R321
1K8
R302
470R
C331
100N
R301
270K
R338
0R0
C339 100P
L301
BL01RN1
D301
3V9
R339
0R0
C330
100N
C322 100N
RMIN
RESET
TRIGIN
R317
1K
R336 10K
1
2
3
Q309
8050
1
2
3
Q310
8050
D307
IN4148
+8V
1
2
3
Q312
8050
D308
IN4148
R335 10K
RLY501C
DC 9V RELAY
RLY502C
DC 9V RELAY
+5V(D)
STANDBY
CD/CDR
DGND DGND
TRIG IN
(TO KEYBOARD M701)
(TO EXTERNAL D/A BOARD)
MUTE
RW
1/2X
UNLD
SENS
-30VF
17MHz
CLOK
PL300
JUMPER
(Master clock select jumper)
1
2
3
(From crystal oscillator)
(From 9 DAC PCB)
(To DSP)
R332
1K
DGND
TRIGSW
R320
10K
+5V
1
3
11
2
M304
TRIGSW
+5V(D)
D316
1N4148
C342
680p
Q303
DTC114ES
R307
4K7
+5V(D)
NF
NF
C329
100N
+5V(D)
NF
NF
Q302
BC549C
R312
10K
R313
10K
Q301
BC549C
R315
10K
R314
10K
C308
10N
IRIN
NF
R319
0R0
R322
1K
NF
R318
0R0
NF NF NF
HTJ-035-09C
XRST
1 2 3 4 5
6 7 8
OPO301 6N135
R323
1K
PL403
JUMPER (For CD83)
IR INPUT
RA0
+5V(D)
R340
10K NF
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W
UNLESS OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%.
UNLESS OTHERWISE SPECIFIED.

CD73 COMPACT DISC PLAYER
- 17 -
POWER
C505 3N3(X1Y2)
C507
0.022u F1
F2
C513
3300u/16V
C514 104K
C517
100u/25V EL
C519
2200u/10V
C515
100u/100V EL
C516
100u/100V EL
C518
100u/50V
D524
5V6 1/2W
R509
47K
R510 470R
R511
470R
C527
1000u/25V C529
100N PE
C528
1000u/25V C530
100N PE
R514
1K8
R516
1K8
R515
220R
C533
100u/25V EL
C534
100u/25V EL
R517 220R
C536
100u/25V ZA
C535
100u/25V ZA
+12V(A)
-12V(A)
C541
100u/25V EL
+5V(A)
C539
100N PE
C540 470u/25V
D505
1N4001
1 2 3 4
8 9
10 11 12
5 6 7
15 13 14 16
TX501
TRANSFORMER
D510 1N4148
D512
1N4148
D511 1N4148
D513
1N4148
D514 1N4148
D515 1N4148
R519
270R MF
R518
961R MF
C542
1000u/10V
Vin
GND
Vout
1
2
3
U505
LM337T
Vin
ADJ
Vout
3
1
2
U504
LM317T
Vin
ADJ
Vout
3
1
2
U506
LM317T
Vin
ADJ
Vout
3
1
2
U501
LM317
D521
1N4148
R505
1K5
R506 270R
D522
1N4148
+8V+11V(U)
C547
100u/25V EL
C548
100u/10V
Vin
ADJ
Vout
3
1
2
U502
LM317T
D516 1N4148
R512
820R
R513 270R
D517
1N4148
+5V(D)
+11V(U)
C546 100N CD
C506
100N CD
R508 1K0 MF
D523
1N4148
Vin
GND
Vout
1
2
3
U503
LM337T
R507 22K MF
-30VF
1
2
3
Q504
BC557C
1
2
3
Q505 BC549C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
SK203 (TO EXTERNAL D/A BOARD)
+12V(A)
-12V(A)
+5V(A)
+5V(D)
+11V(U)
1
2
3
Q503 BC549C
1
2
3
Q502 BC549C
1
2
3
Q501 BC549C
R527 1K5 MF
R522 10K MF
R521 10K MF
R524 470K MF
R525 47R MF
R520 10R FU
R523 2K2 MF
R528 10K MF
C543
100U EL C545
10U EL
C544
100U EL
D518
1N4148
D519
1N4148
D520
1N4148
R526 10K MF
AGND
DGNDDGND
DGND RLYPWR
RLY401C
DPDT
D401 1N4148
DGND
RLYPWR
N
E
L
SK501 IECSOCKET
L501 6U8H
L502 6U8H
SW501A POWERSW
SW501B
POWERSW
FS501
T1.6AL250V
FS502
T100mAL250V
FS503 T1AL250V
C501
2N2(X1Y2)
C502 2N2(X1Y2)
C503 220N(X2)
R501 3M3
C504 3N3(X1Y2)
J502
FOR 100V
FS504
T1AL250V
AGND
AGND
DGND
DGND
+12V(A)
+5V(A)
-12V(A)
+5V(D)
+8V
-30VF
+11V(U)
RLY501A
DC 9V RELAY
RLY501B
DC 9V RELAY
AC1 AC2
AC1 AC2
1
2
3
4
5
6
SW502 VOLTAGE SELECTOR
120V 230V
J501
FOR 100V
117 C
(A)
(A)
(A) (A)
(A)
(A)
(A)
(A)
(A)
C521
100u/25V EL
C522
100u/10V
Vin
ADJ
Vout
3
1
2
U507
LM317T
D525
1N4148
R502
470R
R503 240R
D526 1N4148
+3.6V(D)
+5V(D)
C520 100N CD
DGND
+3.6V(D)
+5V(D)
BR501 DB101
BR502 DB101
PL205 JUMPER
PL203
JUMPER
PL204 JUMPER
PL202 JUMPER
PL402 JUMPER
RLY502B
DC 9V RELAY
RLY502A
DC 9V RELAY
C549
10u/50V
C550
10u/50V
J504
FOR 230V/120V
J503 FOR 230V/120V
R531 1R0 1/4W
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W
UNLESS OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%.
UNLESS OTHERWISE SPECIFIED.

CD73 COMPACT DISC PLAYER
- 18 -
RF
VC 1
VDD 2
E3
D4 A5 B6 C7
F8
GND 9
LD 10
VR 11
PD 12
FCS+ 13
TRK+ 14
TRK- 15
FCS- 16
M102 16PIN LD
1
PD
2
EQ_IN
3
AC_SUM
4
GND
5
A
6
B
7
C
8
D
9
E
10
F
11
SW
12
DVCC
13
DVC
14
RFAC
15 FE 16
FEI 17
TE 18
TE_BAL 19
CE 20
CEI 21
VCC 22
RFG 23
BST 24
VFC 25
RFC 26
VC 27
RFDCO 28
RFDCI 29
DC_OFST 30
U101 CXA2581N
1
2
3
Q101
8550
R101
10
R103 20K R104 20K
R105
3K
R106
150K
R107
100K
R108 68K
R109 15K
R110 3K R111 4K7
R112 5K1
R1135K1
R114
5K1
R115 1K8
R116 12K
R117 12K
R118 10K
R119 15K
C101 0.1u
C102 0.1u
C103 0.1u
C105
100u/10V
C106
100u/10V
C107
100u/10V
C108 100u/10V
C109
100u/10V
C110 1000u/10V
FE TE SE SE
TE FE
RFAC
RW
RFDC
FCS-
TRK-
TRK+
FCS+
FCS- FCS+ TRK+ TRK-
RFDC
RFAC
RW
TP103
1
2
3
Q103
8050
1/2X
1/2X
1 2 3 4 5
M101 5PIN
LOAD UNLD
TRAY- TRAY+
DI/SW
DISCO
DI/SW DISCO
O/POUT
10
P2
9
VCC
8
VCC
7
LDOUT
6
LDIN
5
BIAS
4
P1
3
O/PIN
2
GND
1
U102 LB1641
C113
100N CD
C111
10N CD
C104
100N CD
C112
100U EL D101
4V7 400mW
+8V
+3.6V
VC
L101 10UH
1
2
3
Q102
8550
R120
6K8
CD/CDR
L102 10UH
CD/CDR
DGND
DGND
DGND
DGND
DGND
(TO CD MECHNISM)
(TO CD MECHANISM)
R333 4K7
R334 4K7
OPTION
PL100
JUMPER
DGND
(Protect pickup)
+5V(D) +5V(D)
R328 4K7 R327 4K7
+5V(D)
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W
UNLESS OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%.
UNLESS OTHERWISE SPECIFIED.

CD73 COMPACT DISC PLAYER
- 19 -
IC BLOCK DIAGRAM
KEY BOARD
U701: M38B79FFFP

AC
SUM
AC
VCA
EQ_ON/OFF
VC
DVcc
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
VC
VC
VC
DVC
DVC
VOFST
VOFST
B
C
A
D
VOFST
EQ
APC
23
RFG
24
BST
26
RFC
25
VFC
14
DVC
27
VC
5
GND
22
Vcc
1
LD
2
PD
12
SW
11
E
10
F
9
D
8
C
7
B
6
A
15 RFAC
30 DC_OFST
29 RFDCI
28 RFDCO
17 FEI
16 FE
19 TE_BAL
18 TE
21 CEI
20 CE
13 DVcc
3
EQ_IN
4
AC_SUM
-
+-
+
VC
VC
DVC
DVcc
-
+
-
+
-
+
-
+
DVcc
-
+
-
+
DVcc
-
+
gm
gm
VC
VC
VOFST
DVC
DVC
-
+
+
VC
Vcc
APC-OFF (Hi-Z)
RW/ROM
(H/L)
Vcc +
CD73 COMPACT DISC PLAYER
- 20 -
MAIN BOARD
U101: CXA2581N
P1 OUT1 VCC2 OUT2 P2
3281097
4
5
1
6
VCC1
VZ
IN1
GND
IN2
Predriver
Input logic circuit
MAIN BOARD
U102: LB1641