Pioneer VSX-918V-K Service Manual page 112

1
SIDE B
A
C
POWER PACK ASSY
CN805
1.NC
2.UGRTN
3.NC
4.GNDD
5.NC
6.DGRTN
7.DGRTN
8.V+5D
9.V+5D
10.GNDA (DAG)
B
11.GNDA (DAG)
12.V+5A
13.GNDD
CN805
1.RIN
2.GNDA (DAG)
3.LIN
C
4.GNDA(DAG)
5.FRO
6.GNDA(DAG)
7.FLO
8.RCMUT/OVF
9.SRO
10.GNDA(DAG)
11.SLO
12.GNDA(DAG)
13.SWO
14.GNDA(DAG)
15.CO
16.GNDA(DAG)
17.SBRO
18.GNDA(DAG)
19.SBLO
20.GNDD
21.V+5D(USB)
1.GNDD
2.NC
3.DIR ERR
4.DIR RST
CN807
5.DIR CS
6.DIR DO
7.DSP MODE
8.DSP HREQ
9.BUSY
D
GNDD
GNDD
CN813
1.GNDD
2.NC
3.DIR ERR
4.DIR RST
5.DEC MUTE
6.DSP DI
7.DSP DO
8.DSP CLK
9.DSP RST
10.DSP SS
E
11.BUSY
12.DSP HREQ
13.DSP MODE
14.DIR DO
15.DIR CS
404
F
330 320 310
C
112
1
2
CN816
0 1
0 1 2 3 0 1 2 3 4 5 6 7 8 9
0 1
CAL1
10.AC RY
9. D+5V
8.GNDU
21.NC
7.ST+5V
20.GNDA
19.T+12V
18.SWOUT
17.GAV
6.GNDT
16.GAV
5.T+9V
15.-12V
4.HP. SW
14.FL AC1
3.SP-A RY
CN816
13.FL AC2
2.R/C RY
12.-VF
1.SP-B RY 11.AC WP
Q806
Q802
Q801
Q804
IC805
5
1
GNDU
15.RIN
14.GNDA
13.LIN
OUT
12.GNDA
11.FRO
10.GNDA
9.FLO
8.RCMUT/OVF IN
7.SRO
15
GNDA
GNDD
D+5V
REGB
REGB
1
1
CN815
6.GNDA
5.SLO
4.GNDA
3.SWO
2.GNDA
1.CO
10.DSP SS
11.DSP RST
12.DSP CK
D+5.6V
13.DSP DO
14.DSP DI
Q724 GNDU
15.DEC MUTE
R1101
17.GNDU
16.NECK
15.6OHM
14.OLDT
R1102
13.XPROTECT
12.DCDT
11.F_DRIVE
10.AMUTE
9.FR
8.GNDA
7.SR
6.GNDA
5.FL
4.GNDA
3.SL
2.GNDA
1.C
R696
C696
R680
300 290 280 270
2
3
810 CN803
XWZ4328
A
B
C
LF
6.-12V
Q803
5.GAV
4.+12V
C870
9.V+7H
8.V+5
7.V+5
6.DGRTN
5.DGRTN
4.DGRTN
3.DGRTN
2.DGRTN
1.DGRTN
GND
10 11
OUT
IN
810
D703
VL+
Q707
Q705
VH-
R1110
R698
C604
C614
CHASSIS
C662
C664
C608
1
IC601
260 250 240 230
VSX-918V-K
3
4
CN701 CN702
XWZ4325
XWZ4322
XWZ4326
XWZ4323
XWZ4327 XWZ4324
POWER PACK ASSY
11.ST+5V
10.GNDU
9.AC WUP
8.AC RY
7.FL AC1
6.FL AC2
11 5.REG B
4.REG G
3.REG B
2.DREG
1.DREG
SBL/SBR/SP-B
+12V
FL/FR
R/C SP
1
-VF
FL AC2
3.GNDU
2.SWOUT
1.GNDA
D801
6.HP L
HP L
CN702
5.HP G
6
4.HP R
HP G
3.A.MUTE
2.HP.SW
1.GNDU HP R
1
CN808
C901
GNDA
R604
Q602
R654
Q652
CHASSIS
C658
14 1
S.GND
220 210 200 190
4
D742
Q65
GN
C637
C657
C634
14
IC602
180 170 160