Sony CFD-Z125 / CFD-Z135 Service Manual ▷ View online
CFD-Z125/Z135
Ref. No.
Location
D701
B-3
D704
B-8
IC701
C-4
IC702
B-7
IC703
E-3
IC705
A-5
IC801
F-5
IC802
E-9
Q701
B-3
Q702
A-3
Q703
D-9
Q704
B-8
Q705
B-7
Q706
A-8
Q707
B-8
Q708
B-9
Q709
A-7
Q710
C-8
• Semiconductor
Location
— 27 —
— 28 —
— 29 —
— 30 —
6-3. PRINTED WIRING BOARD — CD SECTION —
• See page 23 for Circuit Boards Location.
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
•
¢
: internal component.
•
b
: Pattern from the side which enables seeing.
36
PHD2
PHD1
PHD
33
LD
32
RF M
31
RF O
30
RF I
29
CP
28
CB
27
CC1
26
CC2
25
FOK
24 SENS
23 C. OUT
22 XRST
21 DATA
20 XLT
19 CLK
18 VCC
17 ISET
16 SL 0
15 SL M
14 SL P
13
12
TA O
TA M
11
FSET
10
TG2
9
TGU
8
SRCH
7
FE M
6
FE O
5
FLB
4
FGD
3
FDFCT
2
FEI
1
FEO
48
VC
47
TDFCT
46
TZC
45
ATSC
44
TEI
43
LPFI
42
TEO
41
VEE
40
EI
39
E
38
F
37
FE BIAS
+
+
–
+
+
–
+
–
+
–
+
–
+
–
+
–
+
+
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
–
+
+
–
–
+
+
–
+
–
+
–
+
–
+
–
APC
–
–
–
–
LEVELS
FOK
MIRR
DFCT
RF IV AMP2
RF IV AMP1
FE AMP
F IV AMP
E IV AMP
TE AMP
FZC COMP
BAL1
BAL2
BAL3
TOG1
TOG2
TOG3
TTL
IIL
IIL
TTL
TTL
IIL
• IIL DATA RESISTOR
• INPUT SHIFT RESISTOR
• ADDRESS DECODER
• OUTPUT DECODER
HPF COMP
LPF COMP
TZC COMP
DFCT
DFCT
TM1
FS4
ATSC
• WINDOW COMP
• FCS PHASE
COMPENSATION
COMPENSATION
• TRACKING
• PHASE
COMPENSATION
COMPENSATION
• ISET
FS1
FS2
TM4
TM5
TM6
TM3
TM7
TG2
• F SET
TG1
TM2
+
–
TOG1-3
FS1-4
TG1-2
TM1-7
PS1-4
BAL1-3
35
34
2
3
4
5
6
7
9
10
11
13
14
15
16
17
18
19
22
23
24
25
26
27
29 30
40
39
38
37
36
34
31
41
42
43
44
45
46
47
48
49
50
51
52
54
55
56
57
58
59
60
70
69
63
64
65
66
61
62
73 74
77
78
1
SQCK
SQSO
EXCK
SBSO
SCOR
XLON
SPOA
‘C
CLOK
XLAT
DATA
SENS
CLKO
XLTO
DATO
XROF
LOCK
MDS
MDP
MON
DOUT
NLPWM
LPWM
RPWM
NRPWM
FOK
SEIN
CNIN
XPCK
FILO
FILI
PCO
CLTV
ASYI
ASYO
ASYE
BIAS
FSTT
C4M
RF
XTSL
WFCK
EMPH
GFS
XUGF
GTOP
MNT0
MNT1
MNT3
C2PO
RFCK
EMPHI
LRCKI
PCMDI
BCKI
MUTE
BCK
PCMD
LRCK
WDCK
XTAI
XTAO
ZEROL
ZEROR
clock
generator
asymmetry
corrector
digital
PLL
Servo auto
sequencer
CPU
interface
SUB code
Processor
Processor
EFM
demodulator
error
corrector
16K RAM
digital
CLV
digital
OUT
D/A
Interface
Digital Filter
+
1bit DAC
+
–
LEVEL SHIFT
+ –
+
–
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
LEVEL SHIFT
+ –
+
–
MUTE
+
–
+
–
LEVEL SHIFT
+ –
+
–
LEVEL SHIFT
+ –
+
–
+
–
15
16
17
18
19
21
20
22
26
25
24
23
+
–
NC
Vcc
Vcc
Vcc
VCC
BIAS IN
IN1B
IN1A
IN2B
IN2A
GND
GND
MUTE
VCC
OUT2A
OUT2B
OUT1A
OUT1B
IN4B
IN4A
IN3B
IN3A
OP OUT
OP IN (–)
OP IN (+)
GND
NC
VCC
OUT3A
OUT3B
OUT4A
OUT4B
• IC Block Diagrams
— CD SECTION —
IC701
CXA1782BQ
IC702
CXD2508AQ
IC703
BA5941FP
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
6-9. IC PIN FUNCTION DESCRIPTION
•
CD DECODER BOARD IC801 LC5876-1J64
(SYSTEM CONTROL)
(SYSTEM CONTROL)
Pin No.
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
36
37
38
39
40
I/O
O
O
—
—
I
I
I
O
O
I
I
I
I
I
I
I
I
I
O
I
—
—
—
—
I
O
I
I
I
I
I
I
I
I
I
I
I
I
O
O
Description
Common drive signal output to the liquid crystal display (LCD801)
Common drive signal output to the liquid crystal display (LCD801)
Connected to coupling capacitor for the liquid crystal display (LCD 801) of power supply
Connected to coupling capacitor for the liquid crystal display (LCD 801) of power supply
Rest signal input from the reset signal generator (IC802) “L”: reset For several hundreds msec.
after the power supply rises, “L” is input, then it changes to “H”
Remote control signal input from the remote control receiver (SEN851) “L” active Used for CFD-Z135
only (CFD-Z125 is not used)
Sub-code Q data signal input from the CXD2508Q (IC702)
Serial data output to the CXD2508Q (IC702)
Sub-code Q data reading clock signal and serial data transfer clock signal output to the CXD2580Q (IC702)
Track number count signal input terminal. Not used (fixed at “H”)
Sub-code sync (S0+S1) detection signal input from the CXD2508Q (IC702)
Internal status (SENSE) signal input from the CXD2508Q (IC702)
Guard frame sync signal input from the CXD2508Q (IC702) “ L”: NG, “H”: OK
Focus OK signal input from the CXA1782BQ (IC701) “L”: NG, “H”: OK
Detection signal input of the tape direction “L”: REV, “H”: FWD Not used
Stereo detection signal input from the CXA1238S (IC1) “L”: stereo
Detection signal input from the REC switch (S302) “H”: REC
Wake-up signal input terminal “H”: AC input, “L”: using for the dry battery
Sub system clock output terminal (32.768kHz) (for clock)
Sub system clock input terminal (32.768kHz) (for clock)
Power supply terminal (Connected to coupling capacitor)
Power supply terminal (Connected to coupling capacitor)
Ground terminal
Power supply terminal (+5V)
Main system clock input terminal (4MHz)
Main system clock output terminal (4MHz)
Key return signal input terminal (“L” active) *1
Not used (fixed at “H”)
Not used (fixed at “H”)
Detection signal input from the CD lid open/close detect switch (S702). The CD lid is closed when “L”
LED drive signal output to the CD indicator (LD352) “L”: CD, “H”: others function. Not used
LED drive signal output to the TAPE indicator (LD351) “L”: others function, “H”: TAPE. Not used
Pin Name
COM 2
COM 1
CUP 1
CUP2
RESET
REM IN
SQSO
DATA
SQCK, CLOCK
COUNT
SCOR
SENS
GFS
FOK
TAPE DIRECTION
STEREO IN
SYNC REC IN
WP IN
(REG CHECK)
XT OUT
XT IN
VDD 2
VDD 1
VSS
VDD
CF IN
CF OUT
KEY IN 1
KEY IN 2
KEY IN 3
KEY IN 4
KEY IN 5
KEY IN 6
KEY IN 7
KEY IN 8
KEY IN9
M2
M3
CD SW
CD
TAPE
— 47 —
Pin No.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60 to 78
79
80
I/O
O
O
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Description
Power on/off control signal output for the tuner circuit power supply “L”: others function, “H”: RADIO.
Not used
Back light on/off control signal output terminal “H”: back light on. Not used
Ground terminal
Power on/off control signal output for the main power supply “H”: power on
Audio mute on/off control signal output terminal “H”: mute on
Mega bass 1 control signal output terminal “H”: on Not used (open). Not used
Mega bass 2 control signal output terminal “H”: on Not used (open). Not used
Surround on/off control signal output terminal “H”: on. Not used
Serial data transfer clock signal output to the M62429 (IC302)
Serial data output to the M62429 (IC302)
Chip enable signal output to the M62429 (IC302) “L”: address, “H”: data. Not used
Serial latch pulse signal output to the CXD2508Q (IC702) “H”: active
Reset signal output to the CXA1782BQ (IC701) and CXD2508Q (IC702) “L”: reset
Mute on/off control signal output to the CXD2508Q (IC702) “H”: mute on
Not used (open)
Key scan signal output terminal (“L” active) *1
Not used (open)
Segment drive signal output to the liquid crystal display (LCD801). (Pins 76, 77 are not used)
Common drive signal output to the liquid crystal display (LCD801)
Common drive signal output to the liquid crystal display (LCD801)
Pin Name
AUDIO LED
BACK LIGHT
VSS
POWER SW OUT
SYSTEM MUTE
OUT
FUNCTION SW A
FUNCTION SW B
SURROUND
CLK OUT
DATA OUT
CE OUT
XLAT
XRST
MUTE
—
KEY SCAN OUT 1
KEY SCAN OUT 2
KEY SCAN OUT 3
—
SEG 17 to SEG 1
COM 4
COM3
— 48 —
KEY IN 1 (pin @¶)
KEY IN 2 (pin @•)
KEY IN 3 (pin @ª)
KEY IN 4 (pin #º)
KEY IN 5 (pin #¡)
KEY IN 6 (pin #™)
KEY IN 7 (pin #£)
KEY IN 8 (pin #¢)
KEY IN 9 (pin #∞)
KEY SCAN OUT 1
(pin %§)
POWER
CD
TAPE
RADIO
MEGA BASS
(Not used)
VOLUME+
fl
π
± TIME SET +
KEY SCAN OUT 2
(pin %¶)
SLEEP
CLOCK
TIMER
STANDBY
SURROND
(Not used)
MEGA BASS
(Not used)
VOLUME –
PLAY MODE
DISPLAY/ENTER
≠ TIME SET –
KEY SCAN OUT 3
(pin %•)
—
—
—
—
Mode-1
Mode-2
Mode-3
—
Mode-4
*1 KEY MATRIX TABLE
Mode No.
Function
SHORT
OPEN
Mode-1
TEST MODE
TEST MODE
NORMAL MODE
Mode-2
SURROND
Provided
Not provided
Mode-3
AUTO REVERSE
Provided
Not provided
Mode-4
TIME DISPLAY
12H
24H
SYSTEM
In this set
Open
Open
Open
12H
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
SECTION 7
EXPLODED VIEWS
When indicating parts by reference number,
please include the board name.
please include the board name.
The components identified by mark
!
or
dotted line with mark
!
are critical for safety.
Replace only with part number specified.
— 49 —
7-1. BACK CABINET SECTION
A
A
B
B
4
8
2
5
7
9
1
#13
#13
T901
#1
not supplied
#2
#3
#4
#5
5
6
#3
ANT901
3
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
* 1
1-670-121-11 POWER BOARD
* 2
1-670-124-11 BATTERY (A) BOARD
3
3-013-673-11 HANDLE
4
3-013-674-11 LID, BATTERY CASE
5
3-014-422-01 SPRING (3A), BATTERY
* 6
1-670-125-11 BATTERY (B) BOARD
7
3-014-421-01 SPRING, ANT CONTACT
8
3-024-452-01 CABINET, BACK
* 9
3-026-685-01 PRESS, SPRING
ANT901 1-501-927-11 ANTENNA, TELESCOPIC (FM/SW)
! T901
1-431-940-11 TRANSFORMER, POWER
•
Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts of Color Cabinet’s Color
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