Sony HCD-C20 / HCD-G202 / MHC-C20 / MHC-G202 Service Manual ▷ View online
— 30 —
— 29 —
IC03 B
A5941FP
+
–
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
DRIVER
DRIVER
GND
MUTE
CONTROL
XRST
T.T(M)
POSI.1
POSI.2
T.T.SW
VDD
STB
CLOK
DATA I
DATA 0
LOADING
M-
LOADING
M+
SENSOR
1
8
2
3
4
5
6
7
16
9
15
T
C
14
13
12
11
10
SERIAL I/O
CONTROL
LATCH
LATCH
LATCH
IC02
TC9173P
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
— CD SECTION —
IC01 CXA1782BQ
5-3.
IC BLOCK DIA
GRAMS
IC04 CXD2508Q
DTS3
DTS2
RPWM
NRPWM
AVSS2
AVSS3
XTA0
XTA1
AVDD3
AVDD2
NLPWM
LPWM
VDD
DTS1
ZEROR
ZEROL
SCOR
SBSO
EXCK
SQSO
XRST
DATA
XLAT
CLOK
VSS
SEIN
DATO
XLTO
CLKO
SPOA
(PIC SW)
SPOB
(OPEN SW)
SPOC
(CLOSE SW)
XTSL
XLON
(LD ON)
FOK
MON
WFCK
EMPHI
EMPH
DOUT
C4M
FSTT
MNT0
MNT1
MNT3
XPOF
C2PO
VSS
RFCK
GFS
XPCK
XUGF
GTOP
BCK1
BCK
PCMD1
PCMD
LRCK1
LRCK
WDCK
MDP
MDS
LOCK
TEST
FIL0
FIL1
PCO
VDD
AVSS1
CLTV
AVDD1
RF
BIAS
ASY1
ASY0
ASYE
1
24
EFM
DEMODULATOR
DIGITAL
OUT
1
10
3
4
3
13
11
DIGITAL
FILTER
+
1BIT DAC
DIGITAL
CLV
D / A
INTERFACE
ERROR
CORRECTOR
SQCK
MUTE
SENS
CNIN
23
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
SERVO AUTO
SEQUENCER
16K
RAM
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
21
64
41
42
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
CPU
INTERFACE
SUB CODE
PROCESSOR
CLOCK
GENERATOR
DIGITAL
PLL
ASYMMETRY
CORRECTOR
— 32 —
— 31 —
IC102 LA1831
XIN
CE
DI
CL
DO
SYC
IN0
IN1
OUT0
OUT1
OUT2
OUT3
SHIFT REGISTER
LATCH
12 BIT
PROGRAMMABLE DIVIDER
SWALLOW COUNTER
1/16 . 1/17 BIT
REFERENCE
DIVIDER
PHASE DETECTOR
CHARGE PUMP
1 / 2
X OUT
VSS
PD2
PD1
VDD
FM IN
AM IN
OUT 6
HCTR
LCTR
OUT 5
OUT 4
UNIVERSAL
COUNTER
7
10
11
12
9
8
6
5
4
3
2
1
13
14
24
23
22
21
20
19
18
17
16
15
IC201 LC7218
FM IF
REG
GND
VCC
FM DET
S-CURVE
TUNING
DRIVE
LEVEL
DET
AM/FM
IF BUFE
ALC
BUFFER
AM
OSC
AM
MIX
AM
RF AMP
AGC
AM DET
AM IF
COMP
FM
AM
MUTE
DECORDER
STEREO DRIVE
FF
TRIG
PHASE
DET
VCO
AM/FM
SW
PILOT
DET
STEREO SW
3
6
9
12
2
5
8
11
1
4
7
10
22
19
16
13
23
20
17
14
24
21
18
15
OSC/FMSD
OSC
AFC
AM RF
SMET
AM HPF
AF DET
MPX VCO
MPX IN
R OUT
L OUT
PL DET
FM IF
AM MIX
REG
AM IF
GND
TU LED
ST IND
FM DET
VCC
AM/FM
PH DET
PH DET
IC101 LA1186N
RF IN
1
2
3
4
5
6
7
8
9
BYPAS
GND
GND
MIX IN
IF
OSC
VCC
AFC
RF
VREF
MIX
REG
OSC
BUF
—
TUNER SECTION —
TUNER SECTION —
CH2/A
CH2/B
NF
VCC
CG
NF
ALC
METAL
OUT
PRE
OUT
TAPE A
/TAPE B
REC
OUT
REC
IN
CH1/A
CH1/B
NF
GND1
M/H
NF
CH2
CH2
ALC
M/N
CH1
GND
GND
CH1
+
–
+
–
+ –
+ –
A/B
GND
METAL
OUT
PRE
OUT
MIX
OUT
REC
OUT
REC
IN
IREF
VREF2
VREF1
24
23
22
21
20
19
18
17
16
15
14
13
12
3
4
5
6
7
8
9
1
0
1
1
1
2
IC201
T
A8189N
— MAIN SECTION —
— 33 —
1
2
3
4
7
8
OVER
LOAD DET
F/F
OFFSET DET
LATCH
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
5
6
IC502 uPC1237HA
1
14
+
–
ch.1
+
–
ch.2
GND
ch.1 OUT
ch.2 OUT
ch.1 –VCC
ch.1 +VCC
ch.2 +VCC
ch.2 –VCC
Pre. +VCC
Pre. –VCC
GND
ch.1 +IN
ch.1 –IN
ch.2 –IN
ch.2 +IN
GND
3
6
2
5
4
9
12
8
11
13
7
10
IC603 BU2114
— PANEL SECTION —
IC501 STK405-070A
3
6
9
12
15
18
2
5
8
11
14
17
1
4
7
10
13
16
SHIFT
REGISTER
LATCH
ENABLE
SIN
CK
LATCH
SOUT
EN
RST
GND
GND
VDD
O1
O2
O3
O4
O5
O6
O7
O8
GND
+
–
3
6
9
12
15
2
5
8
11
14
1
4
7
10
13
28
25
22
19
16
29
26
23
20
17
30
27
24
21
18
+
–
+
–
–
+
–
–
LATCH
DECODER
CONTROL
SHIFT
REGISTER
–
+
LVROUT
LVRIN
LTOUT
LTCOM
LT4
LT3
LT2
LT1
L4
L3
L2
L1
VDD
CL
DI
RVROUT
RVRIN
RTOUT
RTCOM
RT4
RT3
RT2
RT1
R4
R3
R2
R1
VREF
VSS
CE
IC303, 401 LC75392
Click on the first or last page to see other HCD-C20 / HCD-G202 / MHC-C20 / MHC-G202 service manuals if exist.