Sony HCD-GT111 Service Manual page 98

HCD-GT111/GT222/GT444/GT555
2-4. SCHEMATIC DIAGRAM - MAIN Board (1/4) -
1 2 3 4
MAIN BOARD (1/4)
A
B
C
JR123 0.1
∗
R225
R223 ∗
JL253 ST-L
1 ST-L
JL254 R226 ∗
ST+9V
ANTENNA JL255 R224 ∗ ST-R
ST-R
D JL256
GND
FM 75
JL257 61
COAXIAL FFC220 TUNED
JL258
ST-CE 63
TUNER
(FM/AM)
JL259
ST-DIN 65
AM
JL260 66
ST-CLK
JL261 67
ST-DOUT
(GT111: AEP/GT222: AEP/GT444: AEP) JL262 75
RDS-INT
JL263
11 RDS-DATA 76
E
F
G
H
CN470
8P
JL264
A+9V 1
JL265
MIC SIGNAL 2
JL266
A
MIC GND 3
JL267
AUX-L 4
JL268
MIC
AGND 5
BOARD
JL269
NO700
AUX-R 6
I
(Page 4) JL270
AGND 7
JL271
HP/MIC DET 8
CN450
9P C471 0.1
JL275
A+9V 1
JL276
PB-LCH 2
JL277
PB-RCH 3
JL278
B
A-GND 4
J JL279
REC-LCH 5
JL280
TC
REC-RCH 6
BOARD
JL281
(Page 14)
M-GND 7
JL282
M+9V 8
JL283
TP-STATE 9
K
HCD-GT111/GT222/GT444/GT555
5 6 7 8
∗ R223, 224
2.2k (GT111: AEP/GT222: AEP/GT444: AEP)
2.7k (GT111: E3, E51/GT222: E51, MX, AR/GT444: E51, MX, AR/GT555: E51, MX, AR)
3.3k (GT111: RU, E2/GT222: RU, E2/GT444: RU, E2/GT555: RU, E2)
∗ R225, 226
4.7k (GT111: RU, E2/GT222: RU, E2/GT444: RU, E2/GT555: RU, E2)
6.8k (GT111: AEP, E3, E51/GT222: AEP, E51, MX, AR/GT444: AEP, UK, E51, MX, AR/GT555: E51, MX, AR)
Q128
2SC3052EF-T1-LEF
BASS AGC
4.4
4.4 R138
R128
15k R122
(GT444/GT555) C123
10 R121
4.4
50V
R177
1.5k
JW277
R127 1.5k R178 15k
C127
∗
C179
50V
C128
∗
28 27 26 25 24 23 22 21 20 19 18 17 16 15
C129
2.2
50V
4.4
29 VOLINL
BASS2R
C131
4.4
10
R132 30 TONEOUTL
BASS1R
50V C132 0.047
4.7k 4.4
31 BASS2L
4.4
BASS1L
R133 32
C133 0.022
4.7k 4.4
33 MID2L IC407
4.4
C135
34 MID1L
*
C134 0.01 4.4 INPUT SELECTOR,
35 TREL
ELECTRICAL VOLUME
4.4
RECBL IC407
36 RECBR
R2A15216FP
4.4
37 RECAL
RECAR
R136 R137
C137
2.7k 10k 38 INGAINOUTL
10 INGAINOUTR
50V
39 GAMEL
GAMER
40 INFL
41 DMPORT-L
DMPORT-R
4.4
42 AUX-L
C142
10
50V
43 44 45 46 47 48 49 50 51 52 53 54 55 56
C143
10
50V
C144 C145
10 10
C195
50V 50V
10
50V
R195
1.5k
C154 R185
220 10k
10V
C147 C149
0.47 100
50V 10V
Q681, 684
B+ SWITCH
Q681
RT1N431C-TP-1
R683 R681
1k 10k
0
3.3
Q684
8.3
KTA1271Y-AT
9 9
9 10 11 12
∗ C128, 177
0.12 (GT444/GT555)
0.15 (GT111/GT222)
∗ C127, 178
0.1 (GT444)
0.12 (GT111/GT222/GT555)
R129 2.2k
R179 2.2k
47k R192 56k
100
100
R188 C242
47k 470p
C258 C256 C259
C180
47 470
∗ 470p
16V 16V
R258
27k IC251
4.4
2.2
LINE AMP
4.4 IC251
NJM4558V-TE2
R263
4.4
470
4.4
GND
5
Q178
2SC3052EF-T1-LEF
BASS AGC 4.4
6
4.4
C181 7
C182 R182 10
0.047 4.7k 50V
4.4 8.9
14 8
VCC
4.4
13
C184 0.022
4.4 R183 4.7k
MID2R 12 C293
4.4 R201 47k 1
MID1R 11
4.4
C183 0.01 C185
TRER 10 ∗
C139 2.2 50V
4.4
9
SA2
R108 10k
8 R111
SA1
4.4 100k
C109 10 50V
7
4.4
6
R187 R186
C187
5 10k 2.7k
10
50V Q115
4
2SC3052EF-T1-LEF
INFR 3
2
4.4
1
AUX-R
R113
1.8k
C193 R119
Q116
10 100
2SC3052EF-T1-LEF
50V
Q115, 116
BAND-PASS FILTER
R200
C192
22
10 D116
C194
50V MC2837
10
50V
C148
C119 C169
100
6800p 6800p
10V
GT111: AEP, RU/ GT222: AEP, RU/
GT444: AEP, RU, UK/ GT555: RU
6 6
13 14 15
∗ C180
1 50V (GT111/GT222)
4.7 50V (GT444/GT555)
∗ R220, 270 ∗ R222, 272
∗ C135, 185 4.7k (GT111/GT222) 10k (GT111)
4700p (GT222/GT444) 6.8k (GT555) 22k (GT222/GT444/GT555)
0.01 (GT111/GT555) 8.2k (GT444)
R203 R271 R221
470
470 470
C218
C270 C221 C220
C206 47 47
47 100p
470p 16V 16V C225
16V
C271 C275 470
100p 1000p
16V
R208 R270 R220
∗
27k ∗ IC252
LINE AMP
IC252
NJM4558V-TE2
C272
47p
4.4
GND
4 5 4
C222
47p
4.4 4.4 4.4
3 6 3
C273
22p
4.4 4.4 4.4
2 7 2
C223
22p
4.4 8.9 4.4
1 1
8
VCC
C243
C224
C274
1
2.2
2.2
50V
50V
Q402, 452 R228
Q452
R110 R278
2SC3052EF-T1-LEF MUTING 1k
100k 1k
0
R257
47k
2.9
R114
Q402
680
2SC3052EF-T1-LEF
R279
C117
R229
2.2k
470p
2.2k
R112
470
2.9
R207
47k
0
R227 47k
R277 47k
R276 47k
C101
22
C277 C227
50V
2.2 2.2
R670 50V 50V
C118 2.2k
2.2
50V
R116
100
Q670
RT1P141C-TP-1
R117 MUTING CONTROL
15k
C102
4.7
50V
16 17 18 19
ET601
C241 ET602
1000p
(CHASSIS)
(GT222/GT444/GT555) C648
220p
C647
220p
∗ C282
0.068 (GT444)
0.1 (GT555)
C284
C282 R286
100
∗ 47k R282
10V
100k
C294 0.015
R285
R280 47k
5.6k IC253
LINE AMP
R292
IC253
10k
NJM4558V-TE2
C281
8p
4.3
GND
5 4
4.3 4.4
6 3
4.3 4.4
R291
7 2
6.8k
8.9 4.4
8 1
VCC
R283
6.8k R284
8.2k
R287
C287
1k
10
50V C283
0.068
R288
47k
0
R289
2.2k
2.9
Q430
2SC3052EF-T1-LEF
(GT444/GT555) MUTING
R669
470k
1
3
11
4
MAIN
BOARD
5 (3/4)
(Page
8)
6
7
8
9
11
12
19
18
MAIN
17
BOARD
(2/4)
16
(Page
15
7)
14
13
12