Schematic Diagram - Main Board (1/4) - Sony HCD-GT444 Service Manual

HCD-GT111/GT222/GT444/GT555
Q Q
3 7 6 3 1 5 1 5 0

7-15. SCHEMATIC DIAGRAM - MAIN Board (1/4) -

1 2 3 4
MAIN BOARD (1/4)
A
B
JW277
C
JR123 0.1
R225 ∗
∗
JL253 R223 ST-L
1 ST-L
JL254 R226 ∗
ST+9V
JL255 R224 ∗
ANTENNA ST-R ST-R
D JL256
GND
FM 75
JL257 61
COAXIAL FFC220 TUNED
JL258
ST-CE 63
TUNER
(FM/AM)
JL259 65
ST-DIN
AM
JL260 66
ST-CLK
JL261
ST-DOUT 67
(GT111: AEP/GT222: AEP/GT444: AEP) JL262 75
RDS-INT
JL263 76
11 RDS-DATA
E
F
T E
L 1 3 9 4 2 2 9 6 5 1 3
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
JL270
(Page 40)
AGND 7
JL271
HP/MIC DET 8
CN450
9P C471 0.1
JL275
A+9V 1
JL276
PB-LCH 2
JL277
PB-RCH 3
B JL278
A-GND 4
J
JL279
REC-LCH 5
JL280
TC
REC-RCH 6
BOARD
JL281
(Page 31)
M-GND 7
JL282
M+9V 8
JL283
TP-STATE 9
K
w w w
HCD-GT111/GT222/GT444/GT555
• See page 54 for IC Block Diagrams.
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 47k
R128
15k R122 100
(GT444/GT555)
C123
10 R121 100
4.4
50V
R177 R188
1.5k 47k
R127 1.5k R178 15k
C127
∗
C179
2.2
50V
C128
∗
2SC3052EF-T1-LEF
28 27 26 25 24 23 22 21 20 19 18 17 16 15
C129
2.2
50V
4.4
29 VOLINL 14
BASS2R
C131
4.4
10
R132 30 TONEOUTL BASS1R 13
50V C132 0.047
4.7k 4.4
31 BASS2L
MID2R 12
4.4
R133 32 BASS1L 11
MID1R
C133 0.022
4.7k
4.4
33 MID2L IC407 TRER 10
4.4
C135 MID1L
34 SA2 9
*
4.4 INPUT SELECTOR,
C134 0.01
35 TREL 8
ELECTRICAL VOLUME SA1
4.4
IC407
36 RECBL RECBR 7
R2A15216FP
4.4
37 RECAL
RECAR 6
R136 R137
C137
2.7k 10k 38 INGAINOUTL 5
10 INGAINOUTR
50V
39 GAMEL GAMER 4
INFL
40 INFR 3
41 DMPORT-L 2
DMPORT-R
4.4
42 AUX-L 1
AUX-R
C142
10
50V
43 44 45 46 47 48 49 50 51 52 53 54 55 56
C143 C193
10 10
50V 50V
C144 C145
10 10
C195 C194
50V 50V
10 10
50V 50V
R195
1.5k
C154
220 R185
16V 10k
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
x a o
y
. i
http://www.xiaoyu163.com
9 10 11 12
∗ C128, 177 ∗ C180
0.12 (GT444/GT555) 1 50V (GT111/GT222)
0.15 (GT111/GT222) 4.7 50V (GT444/GT555)
∗ C127, 178
∗ C135, 185
0.1 (GT444) 4700p (GT222/GT444)
0.12 (GT111/GT222/GT555) 0.01 (GT111/GT555)
R129 2.2k
R179 2.2k
R192 56k
R203
470
C242 C209 C206
1000p
470p 470p
C258 C256 C259
C180
∗ 47 470p 470
16V 16V
R258
4.4 27k IC251
LINE AMP
4.4 IC251
NJM4558V-TE2
R263
4.4
470 4.4
GND
Q178 5 4
BASS AGC 4.4 4.4
6 3
4.4 4.4
C181
7 2
C182 R182 10
0.047 4.7k 50V
4.4 8.9 4.4
8 1
VCC
4.4
C184 0.022
4.4 R183 4.7k
C293
R201 47k
4.4 1
4.4 C183 0.01 C185
∗
C139 2.2 50V
4.4
R108 10k
R111
100k
4.4 C109 10 50V
4.4
R187 R186
C187
10k 2.7k
10
50V Q115
2SC3052EF-T1-LEF
4.4
R113
1.8k
Q Q
3 7 6
IC B/D
R119
Q116
100
2SC3052EF-T1-LEF
Q115, 116 C118
2.2
BAND-PASS FILTER
50V
R200
R116
C192
22
100
10 D116
50V MC2837
C148
C119 C169
100
6800p 6800p
10V
GT111: AEP, RU/ GT222: AEP, RU/
GT444: AEP, RU, UK/ GT555: RU
u 1 6 3
36 36
2 4
8 9 9
13 14 15 16
∗ R220, 270 ∗ R222, 272
4.7k (GT111/GT222) 10k (GT111)
6.8k (GT555) 22k (GT222/GT444/GT555)
8.2k (GT444)
R271
R221
470
470
C218 C270 C221 C220
C382
47 47 100p 47
∗
C225
16V 16V 16V
C271 C275
470
100p 1000p 16V
R208 R270 R220 R280
∗
27k ∗ IC252 5.6k
LINE AMP
IC252
NJM4558V-TE2
C272 C281
8p
47p
4.4
GND
5 4
C222
47p
4.4 4.4
6 3
C273
22p
4.4 4.4
7 2
C223
22p
8.9 4.4
1
8
VCC
R283
6.8k
C243
C224
C274
1 2.2
2.2
50V
50V
Q452 Q402, 452 R228
R110 R278
2SC3052EF-T1-LEF MUTING 1k
100k 1k
0
R257
47k
2.9
R114
Q402
680
2SC3052EF-T1-LEF
R279
C117
2.2k R229
470p
2.2k
R112
470
2.9
R207
47k
0
R227 47k
R277 47k
3 1 5 1 5 0 8 9
R276 47k
(GT444/GT555)
C101
22
50V C277 C227
2.2 2.2
R670 50V 50V
2.2k
Q670
RT1P141C-TP-1
R117 MUTING CONTROL
15k
C102
4.7
50V
m
c o
.
2
8 9 9
17 18 19
ET601
C241
ET602
1000p
(GT222/GT444/GT555) (CHASSIS)
C648
220p
C647
220p
∗
C382
0.082 (GT444)
0.1 (GT555)
C284 R286
100 47k R282
10V 100k
R285
47k
IC253
LINE AMP
R292
IC253
10k
NJM4558V-TE2
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
R284
8.2k
R287
C287
1k
10
50V C383
0.068
R288
47k
0
R289
2.2k
2.9
2 4 9 8 Q430 2 9 9
2SC3052EF-T1-LEF
MUTING
R669
470k
1
3
11
4
MAIN
BOARD
5 (3/4)
(Page 38)
6
7
8
9
11
12
19
18
MAIN
17
BOARD
16 (2/4)
(Page 37)
15
14
13
12