Read Sony HCD-GT111 / HCD-GT222 / HCD-GT444 / HCD-GT555 Service Manual online
HCD-GT111/GT222/GT444/GT555
HCD-GT111/GT222/GT444/GT555
6
6
2-4. SCHEMATIC DIAGRAM - MAIN Board (1/4) -
BOARD
B
TC
BOARD
MIC
NO700
A
BOARD
11
(3/4)
MAIN
BOARD
12
(2/4)
MAIN
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
0
0
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
9
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
0
3.3
9
9
8.3
4.4
4.4
4.4
8.9
4.4
4.4
4.4
4.4
4.4
4.4
8.9
4.4
4.4
4.4
4.3
4.3
4.3
8.9
4.4
4.4
4.4
0
2.9
2.9
0
2.9
0
470
R271
*
R272
R220
R222
10V
100
C225
2SC3052EF-T1-LEF
Q402
R670
2.2k
470
R221
R276 47k
22p
C273
C221
100p
16V
47
C220
R279
2.2k
22p
C223
R229
2.2k
1000p
C275
R270
C271
100p
47p
C272
47p
C222
R669
470k
10V
220
C154
0.1
C153
10k
R153
10V
100
C148
50V
0.47
C147
50V
10
10
C146
50V
10
C145
50V
10
C144
50V
10
C143
50V
10
C142
R223
R226
50V
10
C194
50V
10
C193
50V
10
C192
50V
10
C195
*
C135
0.022
C133
0.047
C132
4.7k
R132
50V
2.2
C129
1.5k
R127
50V
1
1
C124
C121 330p
C122 330p
100
R121
1.5k
R177
50V
2.2
C179
C185
4.7k
R182
0.047
C182
10k
R134
10k
R135
10k
R184
10k
R185
15k
R128
15k
R178
1M
R190
50V
10
C137
50V
10
C187
50V
10
C109
47k
R201
100
R202
16V
C286 47
R282
100k
R288
47k
R283
6.8k
R286
47k
C281
8p
R285
47k
R284
8.2k
R280
5.6k
50V
C287
10
R289
2.2k
2SC3052EF-T1-LEF
(GT444/GT555)
Q430
50V
C123
10
R683
1k
10k
R681
RT1N431C-TP-1
Q681
JW277
C206
470p
R203
470
16V
C258
47
16V
C218
47
R256
10k
C256
470p
R206
10k
50V
C259
10
R263
470
Q684
KTA1271Y-AT
ET601
EE
ET602
9P
CN450
2SC3052EF-T1-LEF
Q128
2SC3052EF-T1-LEF
Q452
47k
R257
47k
R207
R224
R225
50V
10
C131
50V
10
C181
47k
R277
47k
R227
R258
27k
27k
R208
JL253
JL254
JL255
JL256
JL257
JL258
JL259
JL260
JL261
JL262
JL263
JL264
JL265
JL266
JL267
JL268
JL269
JL270
JL271
JL275
JL276
JL277
JL278
JL279
JL280
JL281
JL282
JL283
100
R122
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
41
42
43 44 45 46 47 48 49 50 51 52 53 54 55 56
T
ONEOUTR
VOLINL
TONEOUTL
BASS2L
BASS1L
MID2L
MID1L
TREL
RECBL
RECAL
INGAINOUTL
GAMEL
INFL
DMPORT-L
AUX-L
1.5k
R145
1.5k
R195
47k
R138
47k
R188
1k
R278
1k
R228
56k
R192
0.047
C152
0.022
C184
0.1
C150
0.1
C151
R287
1k
10V
C284
100
1.2k
R144
1.2k
R194
4.7k
R183
4.7k
R133
0.01
C134
0.01
C183
10k
R137
2.7k
R136
2.7k
R186
10k
R187
MA2J1
110GLS0
D694
50V
C277
2.2
50V
C227
2.2
50V
2.2
C274
50V
2.2
C224
C178
C177
∗
C128
C127
22
R200
2.2k
R179
2.2k
R129
C180
220p
C648
220p
C647
470p
C117
100k
R111
50V
22
C101
680
R114
2SC3052EF-T1-LEF
Q116
100k
R110
2SC3052EF-T1-LEF
Q115
470
R112
1.8k
R113
10k
R108
MC2837
D116
15k
R117
50V
2.2
C118
100
R116
100
R119
50V
4.7
C102
50V
2.2
C139
R291
6.8k
R292
10k
0.068
C283
0.068
C291
∗
∗
C282
C294 0.015
0.1
C280
8P
CN470
C299 220p
C471
0.1
0.1
JR123
6800p
C119
6800p
C169
C241
1000p
470p
C242
C293
1
C243
1
8
7
6
5
4
3
2
1
1
3
5
4
6
18
19
17
15
12
14
16
13
11
8
9
7
PB-L
CD_USB-R
PB-R
MIC
CD_USB-L
61
63
65
66
67
75
76
ST-L
ST-R
MIC
PB-L
PB-R
REC-R
REC-L
AUX-R
ST
-R
AUX-R
REC-R
AUX-L
USB_REC-R
USB_REC-L
OUT
-L
SW
-OUT
49
58
AUX-L
OUT
-R
REC-L
ST
-L
VCC
GND
GND
VCC
GND
VCC
(1/4)
MAIN BOARD
(CHASSIS)
BASS AGC
(GT444/GT555)
AM
FFC220
ST-CLK
ST-DOUT
ST-CE
ST+9V
ST-DIN
TUNED
GND
1
ST-R
ST-L
RDS-INT
11 RDS-DATA
(GT111: AEP/GT222: AEP/GT444: AEP)
Q115, 116
BAND-PASS FILTER
Q402, 452
MUTING
MUTING
0.1 (GT555)
C282
0.068 (GT444)
B+ SWITCH
Q681, 684
GT444: AEP, RU, UK/GT555: RU
GT111: AEP, RU/GT222: AEP, RU/
(GT222/GT444/GT555)
(GT444)
4.7k (GT111/GT222)
6.8k (GT555)
∗ R220, 270
∗ C180
∗ C135, 185
8.2k (GT444)
∗ R222, 272
10k (GT111)
22k (GT222/GT444/GT555)
∗ C128, 177
0.12 (GT444/GT555)
0.15 (GT111/GT222)
0.1 (GT444)
∗ C127, 178
0.12 (GT111/GT222/GT555)
4.7 50V (GT444/GT555)
1 50V (GT111/GT222)
4700p (GT222/GT444)
0.01 (GT111/GT555)
4.7k (GT111: RU, E2/GT222: RU, E2/GT444: RU, E2/GT555: RU, E2)
∗ R225, 226
6.8k (GT111: AEP, E3, E51, AR/GT222: AEP, E51, MX, AR/GT444: AEP, UK, E51, MX, AR/GT555: E51, MX, AR)
2.7k (GT111: E3, E51, AR/GT222: E51, MX, AR/GT444: E51, MX, AR/GT555: E51, MX, AR)
∗ R223, 224
2.2k (GT111: AEP/GT222: AEP/GT444: AEP)
3.3k (GT111: RU, E2/GT222: RU, E2/GT444: RU, E2/GT555: RU, E2)
7
11
D
B
16
6
9
17
10
F
5
15
K
19
3
G
1
18
12
C
E
H
8
J
4
13
A
14
2
I
10V
100
C149
IC253
NJM4558V-TE2
LINE AMP
IC253
8
7
6
5
4
3
2
1
IC252
NJM4558V-TE2
LINE AMP
IC252
16V
47
C270
IC251
NJM4558V-TE2
LINE AMP
IC251
8
7
6
5
4
3
2
1
R2A15216FP
IC407
IC407
INPUT SELECTOR,
ELECTRICAL VOLUME
VOLINR
BB1R
BB2R
OUTR
AGCOUTR
DA
TA
CLK
SWOUT
AGCC
AGCOUTL
OUTL
BB2L
BB1L
AUX-R
DMPORT-R
INFR
GAMER
INGAINOUTR
RECAR
RECBR
SA1
SA2
TRER
MID1R
MID2R
BASS1R
BASS2R
ST
-L
CD-L
TA
P
E
-L
MIC
VC
REFOUT
REFIN
GND
VCC
DPLL/SURL
DPLR/SURR
TA
P
E
-R
CD-R
ST
-R
A+9V
PB-LCH
PB-RCH
A-GND
REC-LCH
REC-RCH
M-GND
M+9V
TP-STATE
A+9V
MIC SIGNAL
MIC GND
AUX-L
AGND
AUX-R
AGND
HP/MIC DET
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
ANTENNA
COAXIAL
FM 75
TUNER
(FM/AM)
∗
∗
∗
∗
2SC3052EF-T1-LEF
Q178
BASS AGC
∗
RT1P141C-TP-1
Q670
MUTING CONTROL
∗
∗
∗
∗
∗
∗
∗
GT444: AEP, RU, UK/GT555: RU
GT111: AEP, RU/GT222: AEP, RU/
GT444: AEP, RU, UK/GT555: RU
GT111: AEP, RU/GT222: AEP, RU/
(Page 4)
(Page 14)
(Page
8)
(Page
7)
Ver. 1.4
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