Main Control And Rs232C Assys - Pioneer VSX-45TX Service Manual

1

4.7 MAIN CONTROL and RS232C ASSYS

SIDE A
A
B
C
D
E
F
J K
70
1
2
IC101
F F
CN1403 CN1404
CN102 CN103
C622
C621
J602
C117
IC101
R127
R126
R125
1 11
CN1
CN201
(FOR MR)
7.MR CK
6.MR DT
5.MR MUTE
4.GNDU
3.RCH
2.GNDA
1.LCH
C115
C116
CN1 CN201
W F
CN2415 CN1402
VSX-45TX
2
3
Q601
IC102 Q102
IC201 Q101 Q103
IC202
A
CN201
CN601
A
B R652 C656
Q601
C
J601
Q601
R605
CN601
C602
CN103
(PRE OUT)
9.AMUTE
8.SW
CN601
7.SBR
TUNER
6.SBL
5.SR 1.TUNER CE
2.TUNER DI
4.SL
R507
3.TUNER CLK
R506
3.FR
4.TUNER DO
2.FL
5.TR
1.C 6.TG
7.TL
8.TMUTE
CN102
(EXT IN)
13.V+15
12.FR
11.FL R138
10.C
C140
9.SL
R136
8.GNDA
C132
7.GNDA C136
6.GNDA
5.SR
4.SBL
3.SBR
2.SW
1.V-15
CN101
IC102
(AUDIO IN&OUT)
15.V2/OUT
14.V1/OUT
13.DVD/LD
12.TV/SAT
11.V2/IN
10.V1/IN
C131
9.GNDA
8.GNDA
C135 R135
7.GNDA
C139
6.V1/IN
5.V2/IN
Q101 R141
4.TV/SAT
3.DVD/LD
2.V1/OUT
1.V2/OUT
IC201
C203
C202
28
15
1
14
IC202
8 5
1 4
CN101
F
CN1401
3
4
IC651
Q651
Q652
IC503 IC502
K
MAIN CONTROL ASSY
MAIN CONTROL ASS'Y
C657 C655 L651
C658 C659
IC651
Q653
R656
R672
C653
C654
X651
R671
AWK
7730
9.STEREO
10.TUNED
11.+10V
12.FM COMP
13.TG(SEPA)
7734
7737
C134
7740
7741
7744
R142
C133
Q102
R143
Q103
IC503
R551
R201 R556
R557
R562
C212
CN502
C211
A1
1
CN502
W
CN2413
IC1931
Q1931
IC1932
4
IC511
DC
FC
PRODUCTION CODE
7745
7747
IC501
R529
R531
R532
R533
R534
1 1
IC502 R502
C501
IC511
CN3
19
W
Q1901
JA19