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5-14. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
(3/3)
B1
(Page 28)
B2
B3
B4
R316
100k
R313
Q313
2.2k
ISA1235
R311
47k
B5
Q312,313
Q312
B+ SWITCH
RT1N441C
B6
B8
B9
B10
B11
HCD-BX77DBi
• See page 36 for IC Block Diagrams.
(Page 27)
(Page 25)
(Page
23)
CN325
CN326
10P
11P
C226
C227
1
1
R309
50V
50V
100
R223
R222
22k
22k
C209
1
R231
22k
C126
1
C386
50V
22
25V
LINE AMP
IC303
NJM4558M-TE2
R122
R204
R210
22k
4.7k
22k
R110
22k
R131
22k
C109
1
R105
R205
4.7k
4.7k
C352
R206
47
R104
R106
47k
10V
4.7k
47k
R302
100k
Q342-344
DC DETECT
R463
10k
R421
10k
Q342
ISA1235
R439
D303
47k
MC2836
Q343
D319
2SC3052F
MC2837
Q344
2SC3052F
R496
C351
100k
D320
R458
100
MC2837
47k
16V
R449
2.2
(Page 27)
IC307
KIA7809API-U/PF
R431
R419
C365
47k
47k
470
16V
D329
MA2J1110GLS0
G
O
I
R425
100k
R461
47k
R470
100k
R469
100k
R460
47
R459
47
R415
D313
MC2838
C304
R409
47
47k
16V
IPOD_L
IPOD_R
Q307
2SC3052F
VBUS POWER
ON/OFF SWITCH
R153
10
1/2W
C122
IC201
0.1
R5523N001B-TR-F
C119
L101
0.1
C123
C225
0.01
R130 R129
0.47
4.7
4.7
R435
Q345
2.2k
2SC3052F
R303
EP302
100k
POWER
MONITOR
C363
R436
100
CN303
22k
16V
12P
USB UNREG GND
USB UNREG
RELAY
SUB GND
UNREG SUB
D331
1N4002-B5
ACDET
PROTECT
+B
GND
D302
R414
UDZW-TE17-
47
Q304
-B
3.6B
KTA1266GR
UNREG
Q304-306
UNREG GND
REGULATOR
D332
R403
MC2836
Q305
Q306
R417
680
C305
2SC3052F
2SC3052F
10k
0.01
R406
220k
CN312
6P
C303
100
R404
16V
680
Q315
D325
2SC3052F
MA2J1110GLS0
RELAY
R441
Q338
R427
4.7k
RT1N141C-TP-1
DRIVE
22k
Q333,338
D322
PROTECT
MC2836
DETECT
C336
R450
22
2.2
50V
C350
Q333
10
R416
RT1N141C-TP-1
50V
47k
29
29
CLP311
EP301
C359
0.1
(CHASSIS)
CN316
+9V
8P
REGULATOR
SP-L
HP-L
HPGND
SP-R
HP-R
AIN_R
AUDIO-IN R
(Page 31)
GND
AIN_L
AUDIO-IN L
CN321
5P
R-OUT
L-OUT
+B
GND
-B
(Page 31)
Q317
CN313
KTA1266GR
3P
FAN+
M901
(FAN)
GND
R478
FAN+
10k
R475
R428
4.7k
1k
Q316,317
Q316
FAN MOTOR
2SC3052F
DRIVE
10k
C387
47
16V
R484
220k
R481
R482
47
10
C307
R495
47
100
16V
R347
R348
R349
470k
22k
1M
Q307,347,348
C337
1
FAN MOTOR DETECT
Q348
Q347
2SC3052F
2SC3052F
C219
C223
L201
0.1
0.01
R
R230 R229
C222
4.7
4.7
0.1
SPEAKER
C125
R253
0.47
10
L
1/2W
(CHASSIS)
(Page 35)
CN324
3P
D305
C380
R437
C373
1N4002-B5
1
10
0.1
R401
470
G
O
I
IC306
KIA7805API-U/PF
+5V REGULATOR
CN314
3P
G
+9V
C325
O
I
C335
REGULATOR
100
0.1
16V
IC305
KIA7809API-U/PF
HCD-BX77DBi
J302
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