Sony CDC-Z137 Service Manual ▷ View online
18
CDC-Z137
Pin No.
Pin Name
I/O
Pin Description
55
LCD-DI
I
LCD driver date signal input
56
REMOTE IN
I
Remote controller input, pulled up when not used, only CDC-X437 US model.
57
LED
O
Not used. (Open)
58
FM
O
FM/AM power switch output “H”=AM, “L”=FM
59
AM
O
FM/AM power switch output “L”=AM, “H”=FM
60
NC
—
Not used. (Open)
61
ACC DET
I
ACC (accessory power) ON/OFF LEVEL input OFF=fault mode.
62
CD INSIDE
I
Pick up inner track position detection (LMT SW)
63
TEST
I
CD test mode Pulled down when not used.
64
L IND
I
Voltage input for level indicater Pulled down when not used.
65
PH. MUTE
I
External mute control, “L”=–20 dB mute, pulled up when not used. (EUR)
66
RESET
I
System reset signal input “L”=system reset
67
ACC IN
I
ACC (accessory power) ON/OFF input OFF=fault mode.
68
SNS
I
Backup detection signal input
69
BATT IN
I
Input battery ON/OFF
70
IF (FM/AM)
I
IF count signal input (FM/AM)
71
EO3
—
Not used. (Open)
72
SUB PD
—
Not used. (Open)
73
VDD
—
Power supply pin
74
AM OSC
I
AM channel transmission input
75
FM OSC
I
FM channel transmission input
76
VSS
—
Connected to GND
77
EO2
—
Not used. (Open)
78
EO1
O
Error out from change pump (for FM/AM)
79
TEST1
—
Not used. (Open)
80
XOUT
O
System clock oscillator output (4.5 MHz)
19
19
CDC-Z137
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 20)
54
53
52
56 54
58
15
29
28
26 27
16
51
50
49
44
43
42
41
40
39
38
37
36
35
34
33
33
32
57
61
1
9
53
55
44
45
40
37
10
12
13
14
15
16
17
18
19
19
20
62
63
2
3
4
1
31
30
FOCUS
COIL
DRIVE
CD-DA/CD-RW
SWITCHING
Q202-205
LASER
DRIVE
Q206
LD
DRIVE
Q201
TRACKING
COIL
DRIVE
SPINDLE
MOTOR
DRIVE
5V
REG.
8
9
20
M2
(SPINDLE)
M
M1
(SLED/LOADING)
M
-
+
+
-
5V
FOCUS
COIL
TRACKING
COIL
VIN3
VIN3G
VIN4
VIN4G
VIN2
VIN2G
VIN1
REG IN
VIN1G
MUTE
VO3+
VO3-
VO4+
VO4-
VO2+
VO2-
VO1+
VO1-
REG
OUT
OUT
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE,
IC203
6
7
4
5
13
15
25
16
14
19
REG
DRIVE
Q207
24
23
17
18
S3
(RESET)
S2
(DETECT2)
S1
(DETECT1)
+5V
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DRF
CE
DAT
COIN
RWC
FIN2
CQCK
4.2M
4.2M
EFMO
DEFI
EFMIN
CLV+
CLV-
CLV-
V/P
HFL
HFL
TES
TOFF
TOFF
TGL
JP+
JP+
JP-
F
E
FIN1
LDS
LDD
FD
TO
SLEQ
SP-
SPD
SLD
RES
CL
WRQ
SQOUT
XIN
XOUT
ROUT
LOUT
CLK
DEF
SLI
SLC
RFS-
RFSM
CV+
CV-
SLOF
HFL
TES
TES
TOFF
TGL
JP+
JP-
SL+
SL-
10
11
X201
16.934MHz
SERVO CONTROL,
DIGITAL SIGNAL PROCESSOR
IC202
RF AMP,ANALOG SERVO,
ANALOG SIGNAL PROCESSOR
IC201
RW
LP UP
LP UP
CQCK
DRF
DRF
RWC
COIN
COIN
WRQ
SQOUT
SQOUT
CD R
CD L
CD L
SW1
SW2
INSIDE
CD RES
LM SW
8V(CD)
FEM+
FEM-
OPTICAL PICK-UP
BLOCK
MAIN
SECTION
A
SLED/
LOADING
MOTOR
DRIVE
SLED/
LOADIMG
SWITCH
Q208
• Signal path
:CD
20
20
CDC-Z137
3-3. BLOCK DIAGRAM — MAIN SECTION —
(Page 19)
(Page 21)
1
16
AMANT
J101
(ANTENNA)
2 FMANT
TUN-RCH
LCH
17
RCH
22
SD/ST
TU101
(TUNER UNIT)
AUX-RCH
15
64
12
13
SYSTEM CONTROL
IC901
ELECTRONIC VOLUME
IC401
LROUT
20
EVOL CE
EVOL CLD
6
32
EVOL DO
40
A MUTE
43
POWER MUTE
LSELO
LIN
LIN
L IND
75 FMOSC
74 AMOSC
78 EO1
16 IF REQ
70 IF(FM/AM)
70 IF(FM/AM)
14 ST/SD
LOC/DX
XIN
4 ST-BY
22 MUTE
RL
FL
11
POWER AMP
IC501
2
CNP801
R-CH
FL+
10
FL-
RL+
RL-
3
11
RR+
RR-
4
12
FR+
FR-
+B
7 ACC
+B
R-CH
BATT
PON+B
F901
6 ANT-R
17
19
18
16 BATT
42
STBY MUTE
44
BEEP
61
ACC DET
39
CD ON
16 AUX IN
L
J401
R
AUX(L)
TUN(L)
17
CD(L)
9
7
12
1
9
5
3
MUTE
Q402
AUDIO OUT
REAR
MUTE
Q401
4
LFOUT
DI
CE
CL
5
1
2
36
15
11
AM/FM OSC
6
FMVT
14
AMVT
20
IF REQ/OUT
3
AM DX/LOC
4
FM DX/LOC
14
X901
4.5kHz
1
CD INSIDE
62
LM SW
33
SW1
52
SW2
51
FEM+LM+
35
FEM-LM-
36
CD RES
49
RW
37
RWC
48
WRQ
47
SQOUT
11
DRF
46
COIN
12
CQCK
13
LP UP
CD INSIDE
LM SW
8V(CD)
CD R
CD+8V
CD-RCH
CD L
SW1
SW2
SW2
FEM+
FEM-
CD RES
RW
RWC
WRQ
SQOUT
DRF
COIN
CQCK
LP UP
38
80 XOUT
55
LCD DI
8
LCD DO
10
LCD CE
41
POWER CONT
66
RESET
7
LCD DI
54
R ENCOD1
9
LCD CLO
53
R ENCOD2
LCD DO
LCD CE
RESET
LCD DI
RE 1
LCD CLO
RE 2
69
1
BATT IN
2
IN
CD+8V
OUT
BATT
BATT
COM+9V
SW+8V REG
Q831-833
BATT DET
IC941
COM+9V
+9V
PON+B
BATT
SW+14V REG
Q801
POWER CONTROL
SWITCHING
Q802
COM+9V REG
Q821
BU+5V
BATT
+5V REG
Q811
LEVEL AMP
Q451
VOL/
TONE
FADER
LPF(AM)
Q101,102
FM+B
FM+B
SWITCHING
Q106
COM+9V
AM+B
AM+B
SWITCHING
Q105
LOCAL
SWITCHING
Q109
BATT
SHUTDOWN
MUTE
Q591,592
MUTE
CONTROL
Q441,442
RL(+)
RL(-)
FL(+)
FL(-)
J731
AUX
FRONT
SECTION
B
CD
SECTION
A
58
FM
59
AM
• Signal path
: CD
: FM
: AM
: AUX
• R-ch is omitted due to same as L-ch.
21
21
CDC-Z137
3-4. BLOCK DIAGRAM — FRONT SECTION —
(Page 20)
61
62
63
64
LCD DRIVER
IC601
1
S1
LCD601
LIQUID
CRYSTAL
DISPLAY
5
I
35
•
41
I
43
44
I
49
50
I
52
S5
I
S35
KS1
I
KS6
KI1
I
KI3
COM1
I
COM3
3
S3
RE1
RE2
LCD DI
LCD CLO
LCD CE
LCD DO
+9V
LED651-653
LED671,672
LED661
LCD
BACK LIGHT
DIMMER
CONTROL
Q661
S621
ROTARY
ENCODER
WITH
SWITCH
KEY
MATRIX
ILL
CONTROL
Q671
S601,602,605,606
608,610-618
608,610-618
DI
CL
CE
CE
DO
MAIN
SECTION
B
S619
(RESET)
RESET
3-5. CIRCUIT BOARDS LOCATION
KEY board
SUB board
SERVO board
MAIN board
AUX board
tuner unit
(TU101)
(TU101)
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
IC201
ra
(RFSM)
0.9Vp-p
2
3
Approx. 600mVp-p
IC201
7
(TE)
0V
4.4Vp-p
4.2336MHz
IC201
t;
(CLK)
4
1.2Vp-p
16.9344MHz
IC202
rg
(XIN)
—
Main Board
—
1
4.5MHz
IC901
1
(XIN)
1.8Vp-p
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