Schematic Diagram - Main Board (4/5) - Sony HCD-GTR6 Service Manual

5-21. SCHEMATIC DIAGRAM — MAIN BOARD (4/5) —
1 2 3
A
B
MAIN BOARD (4/5)
34
C
29
28
27
D
30
31
32
C270
47
R270
16V
8.2k
R271 470
35
E
IC B/D
IC252
OP AMP
IC252
NJM4558V-TE2
R221 470
38
C222
F
R220
C220
8.2k
47
11
16V
GTR7/GTR8/GTR8B
MAIN
JW245
BOARD
5.0MM
GTR7
(3/5)
C231
(Page 42)
0.056
C234
36 0.068
G
NJM4558V-TE2
GTR7
R246
R247
6.8k
6.8k
37
C281 C284
0.056 0.068
R281
27k
GTR8/GTR8B
H
*13
C246
0.1 :GTR7
*13
C258
47
R258
16V
27k
33
R253
470
I
IC B/D
IC251
OP AMP
IC251
NJM4558V-TE2
R203 470
39
C218
R208
47
27k
16V
J
USB RECORD PREAMP
40
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
• Refer to page 22 for Block Diagrams.
4 5 6
MAIN MAIN
BOARD BOARD
7 3
(2/5) (1/5)
(Page 41) (Page 40)
18 7 6
*3
680 : GTR6/GTR6B
1k : GTR7/GTR8/GTR8B
R606 22k
D104
R608
*2
MA2J1110GLS0 *2
R607 22k
2.7k : GTR7
3.3k : GTR6 /GTR6B/GTR8/GTR8B R609
0 R617 R616 R615
330 330 330
R620
330
R272
22k
C279
10
R278
50V
1k
C272 C273
47p 22p
4 3 2 1
C276
C275
R275
470
0.1
33
10V
5 6 7 8
R228
C223
47p
GTR7 1k
22p FR PREAMP
C229
R222 C291
22k 10
470 JW246 5.0MM
50V
10V
R236
6.8k
R235 6.8k
R231
C236 0.15
27k
R233 R232 R241
10k
100k 0
IC253 4 3 2 1
4
IC B/D
R293
1k
C294
0.1
IC254
R299
5 6 7 8
OP AMP
1k
5
C286
IC254
R283 0.15
NJM4558V-TE2
100k : GTR8/GTR8B
SW PREAMP
R284
10k : GTR7
C247
R291
R282
*13
10k
*14
R285 R286
6.8k 6.8k
*14
IC B/D
8.2k : GTR7
0 : GTR8/GTR8B
IC253
C784
R256
OP AMP
4.7
10k
4 3 2 1
5 6 7 8
C783
4.7
R206
10k
• Refer to page 59 for IC Block Diagrams.
7 8 9
FRONT
BOARD
E
CN1300
(Page 38)
5
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN200
16P
R612
*3
R618
330
R613
*3
D290
MA2J1110GLS0
R279
2.2k Q290
RT1P141C-TP-1
R277
68k MUTE SWITCH
Q270
C277
2SC3052EF-T1-LEF
10
SWITCH
50V
R276
47k
C227
R296
10
R229 2.2k
2.2k 50V
R227
68k R295
Q250
2SC3052EF-T1-LEF
470k
SWITCH
GTR7/GTR8/GTR8B
C217
2.2
R242
C239 50V
1k
0.15
R749
R748
5.6k 51k
R240
C747
8.2k
1 50V
R738
47k
R243
47k
3 2 1 4 3 2 1
C797
1
50V
R359
6 7 8 5 6 7 8
47k
R788
R798 GTR8/
5.6k 47k
GTR8B
R292
R290 R799 1k
8.2k 51k
IC730
C267
C289
NJM4558V-TE2 2.2
0.15
50V
IC B/D
GTR8/GTR8B
IC730
GTR8/GTR8B
OP AMP
43 43
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
10 11 12
MAIN MAIN MAIN
BOARD BOARD BOARD
8 2 6
(2/5) (1/5) (1/5)
(Page 41) (Page 40) (Page 40)
19 4 16 17
GTR7/GTR8/GTR8B
Q789
2SC3052EF-T1-LEF
SW-RELAY
1k
Q788
2SC3906K-T146E
SWITCH
R797
1k
45
24
25
23
51
47
48
49
GTR7/GTR8/GTR8B
CD_USB-L
CD_USB-R
Q245
2SC3052EF-T1-LEF
22
SWITCH
21
R244
2.2k
19
R294
18
2.2k
C624
Q295
2SC3052EF-T1-LEF
SWITCH
31
JL575
JL576
13 14 15
MAIN
BOARD
10
26
(2/5)
25
(Page 41)
47
MAIN
BOARD
45 13
(5/5)
46
(Page 44)
48
C785
0.1
CN500
23P
C621 100P
JL213
1
XIFCS
JL212
2 XIBSY
C620 100P
JL211
3
XSYSRST
C619 100P
JL210
4 IFSDI
C618 100P
JL209
5 IFSDO
C617 100P
JL208
6
IFSCK
C616 100P
7 DGND
JL207
8
RIN
JL206
9 AGND
JL205
10 LIN
JL204
11 AGND HUB
JL203
12 LOUT F BOARD
JL202
13
AGND CN1554
JL201
14 ROUT (Page 56)
JL200
15
AGND
JL199
16 VBUS_DET
JL198
17 3.3V
JL197
18
RST
JL196
19 M+9V
JL195
20
OC2
C623
JR192 JL194
0.01
21 DGND
0 JL193
22
OC1
JL192
23 DGND
0.01
JL191
GTR8/GTR8B
CN550
8P
JL183
8 SW-R IN
JL182
7 GNDA
JL181
SUBWOOFER
6 SW-L IN
JL184
BOARD
5 STK MUTE G
JL185
CN802
4 UNREG
JL187
(Page 52)
3 SW RELAY
2 FAN GND
1 FAN HIGH SPEED
CN551
7P
7 GNDA
6 SW IN
SUBWOOFER
5 STK MUTE
BOARD
H
4 UNREG
CN801
3 SW RELAY
(Page 52)
2 AN GNDF
1 AN HIGH SPEEDF
GTR7 MAIN
BOARD
14
50
(5/5)
49
(Page 44)