Schematic Diagram - Pioneer VSX-323-K Service Manual

1

3. SCHEMATIC DIAGRAM

3.1 MAIN (1/2) ASSY
FRONT_H/P B'D
A
H SPEAKER TERMINAL
CN712
4 3 2 1
CP101
B
R135 0
R17
- R18
C
-
0
R16
D
AC
GND
AC
E
F
A
1/2F
14
1
2
VSX-323 MAIN(1/2) B'D
WIRE
C30 1N-J
C29 1N-J
C28 1N-J
C27 1N-J
C26 1N-J
TO CHASSIS
C67
-
C68
-
C66 -
GND4
OPEN
WIRE1 #18 WIRE
TO SPEAKER Chassis GND
DPP ADD
20121017
1 2 3 4 5 6 7 8 9 10
D
D
F
CN204
TO AMP B'D
TO AMP B'D
2
3
A
2/2F
VOL_PART
A
2/2F
limit
R297 0R1(5)
R295 0R1(5)
R298 R288 R287
510 680 1K
R30 R29
2K2(1) 2K2(1) 2K2(1)
20121217 LIMIT DET
R298 510 -> 0
R288 680 -> 0
R287 1K ->750
Q5
RT1P237C
Q4
R22
10 RT1P237C
10
R32
Q12 Q11
RT1N237C RT1N237C
R39
10K
R41
10K
1 2 3 4 5
F
CP203
VSX-323-K
3
4
DVD IN TV/SAT IN MONITOR OUT
R292
3K6
R296
22K
Q132
KTC3198
10N-K
C297
R289
R299
560K D125
220
KDS4148
D8
C57
R28
LBAS16HT1G
10/50
D23
22(1/4)
1N4007
Q3
Q2
R21 R20
RT1P237C
10 10 RT1P237C
Q9
Q10
R50
RT1N237C RT1N237C
51K
R40 R45
10K 10K
R172
22K
DZ101
D107
KDS4148 MTZ3.3B
3 2 1
POSISTOR
CP4
POSISTOR
4
NJM41050VT LOGIC TABLE
SW1 SW2 MUTE
IN1 L(OPEN) L(OPEN) H
H
IN2 L(OPEN) H
IN3 - H H
MUTE -
- L(OPEN)
Q
RT
Q1209
RT1N430
Q1207
RT1N430C
C298
10N-K
Q130
KSA992F
R294
4K7
R66
4R7(1)
R64
R52
2K2
R51
51K