Schematic Diagram - Main Section (2/4) - Sony HCD-GT22 Service Manual

7-15. SCHEMATIC DIAGRAM – MAIN Section (2/4) –
1 2 3
MAIN BOARD (2/4)
A
34
29
30
2
32
28
MAIN
BOARD
(1/4)
B
(Page
26
38) 31
33
C
CN201
11P
A-SOL 1
A-PHOTE 2
A-HALF 3
CAPM+ 4
D TAPE MECHANISM B-REC-F 5
DECK BLOCK
( SUPPLIED WITH ) M-GND 6
THE ASSEMBLED
BLOCK D-GND 7
B-PHOTE 8
B-HALF 9
NC 10
B-SOL 11
E
CN202
11P
NC 11
DECK-D-GND 10
0-BIAS 9
J REC-MUTE 8
+9V 7
F
TC
REC/PB_SW 6
BOARD
CN008 REC-L 5
(Page
REC-R 4
A-GND 3
35)
PB-R 2
PB-L 1
G
1
D-GND
A+9V
H
L+R_SIGNAL
3
CN061
13P
O-MIC-DET 13
MIC+9V 12
I
MIC-SIG 11
LED+9V 10
K
USB-LED-OUT 9
D-GND 8
MIC
AUX-IN-RCH 7
BOARD
A-GND 6
(Page
AUX-IN-LCH 5
43) HP-GND 4
J
HP R-OUT 3
HP-GND 2
HP L-OUT 1
21
19
5
K 16
20
MAIN
BOARD
18
(4/4)
17
(Page
23
41)
(CHASSIS)
L
D-LIGHT SYNC BOARD
M
CN701
3P
D-GND 1
A+9V 2
L+R SIGNAL 3
JL706
C706
0.22
C701
220
25V
O
C702
0.1
BRACKET A701
HCD-GT22/GT44/GT55
See page 58 for IC Block Diagrams.
4 5 6 7 8
R232
R229 R234
22k 22k
22k
TAPE-STAT
R231
R230
22k 22k
R228
R226 R227
22k
22k 22k
R221
4.7k
A-REEL R222
4.7k
R223
4.7k
R224
4.7k
B-REEL
R225
4.7k
R122
100
C120 0.1
C121 470 10V
BIAS R133 1k
R134 1k
REC-M
R105 47
REC/PB
C115
C114
0.1 470
10V
R202
2.2k
C123 47p
R121 100
6.8k
R125
R201
2.2k
R123 2.2k
C267
C268
4700p
4700p
C125
C127
10
2200p
50V
(GT55)
R129
C129
1
R127 50V
18k
HP/MIC
R068 10
U-OUT
R166
22k
R165
22k
C063
0.1
R148
47k
C064
R169 R170
1000p
100k 100k
C147
E 470p
EP061
GT22:E2,E3,E13,E51,MX,AR/
GT44:E2,E3,E13,E51,MX,AR/
Q701
2SC5053T100Q
R705
82 +4.1V REGULATOR J701
2W 4P
9.1 4.2
D-LIGHT
SYNC OUT
R710
R703 JL702
220 1k
3 1
4.6
4 2
R701 R709
C707
8.2k
220k
0.47
4.6
R706 Q702
33k 2SC3052EF-T1-LEF
1.8
BUFFER
1.2
C703
R708
R702
10
56k 2.2k
50V
C705 C704
22
25V
9 10 11 12
R124 2.2k
R128
R126
R130
18K
6.8k
R130
C146
R138
27k
4700p 2.2k
(GT22:E2/GT44:E2/GT55:E2)
R136
R164 56k
10k
GT22:E3,E13,E51,MX,AR,AUS/
100
GT44:E3,E13,E51,MX,AR,AUS/
(GT55)
GT55:E51,MX,AR
C126
C128 C130 C142
C140
10 1 C150 C152
2200p 10
50V 0.1
50V 50V 0.022 0.022
(GT55)
C176
1
(GT22/GT44)
C154
C164
1 1
50V
IC103 C166
1
INPUT SELECTOR,
TONE CONTROL,
ELECTRICAL VOLUME
C178
IC B/D
1
30 29 28 27 26 25 24 23 22 21
C174
47p
4 4
VOL
31 TAPE-R 20
IN-R
4
32 GND BB11 19
4 C158
4
33 REF IN BB21 18
C122 0.01
4 4
C109
34 SURROUND-R OUT-R 17
10 4 0
IC103
50V 35 SURROUND-L DATA 16
R2S15207FP
R101 4.7k 4 0
36 MIX1 CLK 15
4 4
37 MIX2 OUT-L 14
50V
C110 10 8 4 C157
38 VCC BB22 13
4 4
39 TAPE-L BB12 12
4 4
VOL
40 CD-L 11
IN-L
C173
C175
47p
1 2 3 4 5 6 7 8 9 10
C153
(GT22/GT44) 1
50V
R129
27k
(GT22:E2/GT44:E2/GT55:E2)
56k
GT22:E3,E13,E51,MX,AR,AUS/
GT44:E3,E13,E51,MX,AR,AUS/
GT55:E51,MX,AR
C141
10
50V
C149 C151
0.022 0.022
C145
C139 4700p
R137
2.2k
0.1
R135
10k
R131 R108
100 10k
Q112
2SC3052EF-T1-LEF
R111
100k
BAND-PASS FILTER
Q111
4
2SC3052EF-T1-LEF
1
0.4
C117 R110 R112
R147 C285
470
470p 47k
470p
47k
GT55
39 39
13 14 15 16
(GT55)
C167
C168
C170
C179 C172 C171 R151
100 100
100
0.01 100p
10V 10V 100p 100
16V
IC B/D
10 9 8 7 6
IC102
PARAMETRIC
EQUALIZER
1 2 3 4 5
R152
100
R153
100
C155-158
0.12(GT44/GT55)
0.15(GT22)
C160
470p
C156 R162 15k
R140 1.8k
R120 2.2k
R144 220
R119 2.2k R143 220
R139 1.8k R161 15k
R155 R156
220k 220k
D159
C155
MA111-TX
R142
22k
R157
220k
C163 R141
1 1 22k R158
Q113 220k
2SC3052EF
(GT44/GT55)
-T1-LEF
BASS AGC
4 4 4 4
C165
1
Q114
2SC3052EF-T1-LEF
4 4
BASS AGC
C177
R159
1
47k
(GT55) R160
47k
C180 R145
47
56k
16V
R163
1M
(GT44/GT55)
R175
C182
R174
47 2.2k
220k R173
16V
120k
9.1 Q121
C281
2SC3052EF-T1-LEF
2200p
5.3 BUFFER
4.7
R116
R113
8.3
4.7k 100
4
3.5
R216
220
C119 C118 D214
Q111,112 2.2
0.47 MA111-TX
50V 50V
R212
R211
2.2k
8.2k D213
MC2837
R213
4.7k
R217
220
D211
D212
C111 C212
C211
R114 MC2836 MC2837 R214 R215
22
680 2.2 0.22
220k 220k
50V
50V 50V
HCD-GT22/GT44/GT55
17 18
6
4
6
MAIN
7 BOARD
(3/4)
5
(Page
40)
A-CLK
P-DATA
F-DATA
A-CLK
14
12
13
7
9
MAIN
BOARD
(4/4)
10
(Page
41)
11
VACS
STREAM