Sony HCD-BX77DBi - SCHEMATIC DIAGRAM - MAIN SECTION (1;3); Main Board Schematic Diagram (1;3)

HCD-BX77DBi
HCD-BX77DBi
2727
5-12. SCHEMATIC DIAGRAM - MAIN Section (1/3) -
• See page 36 for IC Block Diagrams.
R315
CN309
R209
C371C375
R217
C116 C216
R128 R228
C369
C368
C367
IC304
Q203R234
R134R227
Q103
Q341
R345
C208
C132
C111
C232
C211
R225
C230
C130
C213
C113
R226
R126
R125
C203C103C202C102C201C101
R124 R224
C391
C361
C355
Q392
R344 R364
Q303
Q302
R308
R396
Q393
R317
R356
C324
D304
C319
D330
C104 C204
R219
R221
C389 C382 C395
R220
C114
C120
R121
R120
R453 R361 R360 R359
Q340
C108
R307
JR214
JR219
JR213
JR211
JR223
JR222
JR221
R203
R103
R102
R202
IC312
R312
R314
R117
R109
C379
C377
JR201
JR101
R119
C348
Q390
R101
R201
2.2k
2.2k
Q319
CN305
C330
C217
C117
C394
C214
C220
R362
Q320
100k
7P
4.7k
0.10.1
47k
4.7
50V
4.7
50V
1k 1k
10
16V
0.1
470
16V
BD3499FV
2SC59384.7k
4.7k22k
2SC5938
RT1P441C
47k
2.2
50V
0.0022
0.0047
0.0022
0.0047
22k
470p
470p
470p
470p
22k
22k
22k
111
50V
1
50V
11
22k 22k
470 10V
0.1
0.1
KTC3203Y-A
100 100
RT1P441C
RT1N141C
47
22k
ISA1235
AC1TP
47k
47k
100
16V
UDZW-TE17-
3.9B
220
10V
MA2J1110GLS0
11
100K
100K
100
16V
0.1 2.2
50V
100K
1
50V
1
50V
100K
100K
100 2.2K 10K 10K
RT1N141C
-TP-1
2.2
50V
1k
0
0
0
0
0
0
0
47k
47k
4.7k
4.7k
MC14052BDTR2
47
47
47k
4.7k
0.1
0.1
0
0
100K
0.1
KTC3205Y-A
RT1N141C-TP-1
21P
0.1
470P
470P
2.2
50V
1
50V
1
50V
2.2K
RT1N141C-TP-1
A1
A2
A3
A4
A6
A8
A10
A9
C1
C2
C3
C4
C5
C6
C7
1
2
3
TUNER/DAB
TUNER/DAB
CD/USB_L
CD/USB_R
TUNER_R
TUNER_L
59
39
66
40
22
24
68
69
70
23
53
57
60
19
CD/USB_L
CD/USB_R
AIN_L
AIN_R
TUNER/DAB
TUNER/DAB
IPOD_L
IPOD_R
100
L-IN
R-IN
AGND
STBY
±PRE
INH
VEE
GND
VCC
Y0
Y2
Y
Y3
Y1
B
A
X3
X0
X
X1
X2
NC
MNT
AVDD(3.3V)
CD DRIVE MUTE
MGND
VM(7V)
DVDD(3.3V)
D-OUT
DGND
SBSY
REQ
BUCK
BUS3
BUS2
BUS1
BUS0
AGND
L-OUT
DACGND
R-OUT
CCE
RST
(1/3)
ELECTRICAL VOLUME,
SURROUND/
TONE CONTROL
MUTING
CONTROL
Q340,341
SWITCH
MUTING
MUTING
VOLTAGE
DETECT
INPUT SELECTOR
Q302,303,390,392
ZDET/LRCKIN
INPUT SELECTOR,
INVERTER
INVERTER
REGULATOR
+3.3V
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(Page 31)