Sony CFD-Z125 - Cd Radio Cassette-corder, Service Manual

Page: 24 / 42

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
• TRACKING
• PHASE
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
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