Schematic Diagram - Main Section (3/4) - Sony HCD-BX5BT Service Manual

HCD-BX5BT/CBX1/CBX3
6-16. SCHEMATIC DIAGRAM – MAIN Section (3/4) –
(3/4)
(CBX1/CBX3)
JR101 JR201
0
EP301
D335
MC2837
(CHASSIS)
EP302
D336
MC2837
(CBX3)
DACGND
LCD VDD
A
+9V
ACDET
(Page 35)
CD-L
CD-R
(Page 34)
AOUTL
TU-L
TU-R
LIN
RIN
AOUTR
L
R
(Page 37)
AVDD5
VCC2
HCD-BX5BT/CBX1/CBX3
• See page 46 for IC Block Diagrams.
Q103,203
MUTING
Q340,341
MUTING CONTROL
R227
22k
Q341
Q203 RT1P441C
DTC343TK
Q103
0 DTC343TK
C394
R345 2.2
47k 50V
R341 D323 R305 C143 C243
47 1SS355W 47 0.01 0.01 C369
1000
10V
C368
0.1
C367
C142 C242 10
C371 0.047 0.047 50V
0.068
IC304
R2S15904SP
INPUT SELECTOR,
ELECTRICAL VOLUME
C224 C124
C113 C108 C107
2.2 2.2
1 1 1
50V 50V
50V 50V 50V
C117
C375
(BX5BT) 1
0.068
50V
R109
4.7k
C377 C379 R106
R442 R444 0.068 0.068 22k
10k 47k
R445 R454 R110 R118
10k 47k 47k 4.7k
(CBX3)
C111 C106
470p 470p
Q342
2SA1235TP-1EF
Q344
2SC3052F
Q340
RT1N141C-TP-1
Q342-344
DC DETECT
∗R101,201
2.2k(CBX3)
4.7k(BX5BT/CBX1)
R201 R101
∗ ∗
R217 R419
47k 47k
C217
R413 R410 R411
1
47k 100k 4.7k
50V
R117
47k
(BX5BT)
C216 C116
4.7 4.7
50V 50V R414
47
D302
UDZW-TE17-3.6B
C305
0.01
R403
1k
C303 R404
100 1k
16V
D330
1SS355W C350
10 R416
50V 47k
R427 R448
22k 4.7k
C207 C208 C213
1 1 1
50V 50V 50V
R105
22k
R209 R205
4.7k 22k
R206 Q333
22k RT1N141C-TP-1
R218 R210
4.7k 47k
(CBX3)
C336
C206 C211
22
470p 470p
50V
36 36
C212
470p
C112
470p
(CBX3)
R435 R471 R420
D319 2.2k 10k 47k
MC2837
R439 R421
Q343 D324 47k 10k
2SC3052F MC2836
R436
22k
D320
MC2838 R469 C353
C351 100k 2200 35V
100 R496
16V 100k
R458 R470 C352
47k 100k 2200 35V
C302
0.1
Q304
2SA1235EF
R407
10k
R406
220k
Q305
2SC3052F
Q306
Q304-306
2SC3052F
+5V REGULATOR
R450 R449 D329 R431 R425 R461
2.2 2.2 1SS355WTE-17 47k 100k 47k
Q315
(BX5BT/CBX3)
2SC3052F D322
MC2836
RELAY DRIVE D312
D308
(BX5BT)
D331
1N4002-B5
+5V REGULATOR
IC308
MM1615ANLE
D332
MC2836
Q338
RT1N141C-TP-1
Q333,338
C383
C385 C384
PROTECT DETECT 220
0.1 0.01
10V
CN309
5P
R-IN
AGND
L-IN
STBY
MONITOR
(Page 39)
CN321
5P
-B
GND
+B
L-OUT
R-OUT
(Page 39)
CN316
8P
SP-L
HP-L
HPGND
SP-R
HP-R
AUDIO-IN R
(Page 41)
GND
AUDIO-IN L
CN318
7P
SP-L
GND
GND
SP-R
FAN GND
(Page 41)
PROTECT
FAN 9V
CN303
10P(CBX1)
12P(BX5BT/CBX3)
1N4002 D314 1N4002 USB UNREG
1N4002 D315 1N4002 USB UNREG
RELAY
SUB GND
UNREG SUB
ACDET
PROTECT
+B
(Page 45)
GND
-B
UNREG
UNREG GND
C363
2200
(BX5BT/CBX3)
25V
IC306_I
(Page 32)
C372 2200 16V IC306_G
IC306_O
IC305_I
IC305_G
IC305_O
CN312
(Page 32)
3P(CBX1)
6P(BX5BT/CBX3)