Service manual
111
VSX-918V-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330
1 18
1
6
1 18
12
10 11
1
14
15
1
13
110
11
1234
1
9
1
17
1
21
1
14
15
1
15
1
6
1
21
C697
W116
L751
R751
R752
C754
C752
R754
C751
C753
R753
L752
D711
C711
D712
C712
R705
R706
R711
57 C758
D652
C666
R668
C656
R652
R674
R664
R662
R660
R642
C660
R641
C630
R640
D631
R639
R637
R636
D632
R638
IC605
R618
D604
D602
R616
R630
C610
IC604
R614
R612
R610
R628
C616
D606
R622
C606
R670
R672
D654
R666
R624
R620
R626
IC601
D608
W88
CN702
R725
D675
D676
D779
R676
R724
R723
R673
C659
C665
D651
R667
R663
R661
R659
R671
R669
C655
R651
R665
D653
IC602
R645
D645
R647
D647
R646
D646
D648
R648
R699
IC608
IC609
R712
CN701
D780
W137
C709
W165
Q722
Q704
Q703
Q656
Q655
Q606
Q633
RY751
W163
CN807
CN805
810
C813
C808
D828
C809
C810
D827
D829
C802
C801
W113
W86
W164
W195
W74
W293
W229
W300
W289
W263
W220
W292
W114
W179
W262
W264
W70
IC804
28
W186
W260
W261
W279
W255
W190
W222
W206
W251
W249
C850
W188
W166
R602
W231
W134
W274
W275
W277
W276
W227
W280
W278
W135
W189
W138
W139
CN808
W291
W117
W118
CN704
C705
W217
W211
W142
W194
D831
W232
D781
W115
W183
W223
W205
W254
W258
W216
W271
W226
W154
W161
W111
W169
W250
D782
W153
W129
W155
W237
W228
W80
W296
W253
W248
W272
W110
W252
CN816
D806
D807
W187
W141
W140
W168
W167
W219
W210
W273
W225
W230
W207
W256
W180
W208
W257
W221
W224
W209
W136
W218
W203
W132
W157
W200
W185
W133
W184
W181
W112
W131
W182
W158
W130
W156
CN815
W75
W160
W284
W126
W259
CN813
W233
Q810
W69
D900
W201
W294
W295
W309
W285
W286
C860
W81
W282
W68
R675
CN803
W87
D830
W98
CN806
XWZ4328
XWZ4326
XWZ4324
XWZ4325
20.GNDA
(USB)
20.GNDD
XWZ4322
VL-
VL+
VH-
491010
1
3.DGRTN
XWZ4323
491010
SIDE
1
11
CN827
1
SIDE
15
518
918/818
CN751
CN751
J605
ELLOW
J606
BLUE
J602
WHITE
J601
WHITE
J601
BLUE
J606
BROWN
J607
SIDE
V+5
9.V+7H
8.V+5
FR
L
5.DGRTN
1
491010
7.V+5
6.DGRTN
2.DGRTN
21.NC
FR
1.DGRTN
4.DGRTN
18.SWOUT
16.GAV
15.-12V
19.+12V
17.GAV
14.FL AC1
13.FL AC2
12.-VF
11.AC WP
10.AC RY
9.D+5V
8.GNDU
7.ST+5V
6.GNDT
5.T+9V
4.HP. SW
3.SP-A RY
2.R/C RY
1.SP-B RY
1.CO
2.GNDA
3.SWO
4.GNDA
15.RIN
14.GNDA
13.LIN
12.GNDA
11.FRO
10.GNDA
9.FLO
8.RCMUT
7.SRO
6.GNDA
5.SLO
1.C
2.GNDA
3.SL
4.GNDA
5.FL
6.GNDA
7.SR
8.GNDA
9.FR
10.AMUTE
11.F_DRIVE
12.DCDT
14.OLDT
15.6OHM
16.NECK
17.GNDU
13.XPROTECT
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
11.BUSY
12.DSP HREQ
13.DSP MODE
14.DIR DO
15.DIR CS
SIDE
SIDE
CONTAC T
1.GNDD
2.NC
3.DIR ERR
4.DIR RST
5.DIR CS
6.DIR DO
7.DSP MODE
8.DSP HREQ
9.BUSY
10.DSP SS
11.DSP RST
12.DSP CK
13.DSP DO
14.DSP DI
15.DEC MUTE
1.RIN
2.GNDA(DAG)
3.LIN
4.GNDA(DAG)
5.FRO
6.GNDA(DAG)
7.FLO
8.RCMUT
9.SRO
10.GNDA
11.SLO
12.GNDA
13.SWO
14.GNDA
15.CO
16.GNDA
17.SBRO
18.GNDA
19.SBLO
1.NC
2.UGRTN
3.V+5D
4.GNDD
5.DGRTN
6.DGRTN
7.DGRTN
8.V+5D
9.V+5D
10.GNDA
11.GNDA
12.V+5A
13.V+7D
1.GNDA
2.SWOUT
3.GNDU
4.+12V
5.GAV
6.-12V
11.ST+5V
9.AC WUP
10.GNDU
8.AC RY
2.DREG
1.DREG
5.REG B
4.REG G
3.REG B
7.FL AC1
6.FL AC2
6.HP L
5.HP G
4.HP R
3.A.MUTE
2.HP.SW
1.GNDU
1.V+5D1
2.V+5D2
3.DREG
4.DREG
5.GNDD
6.REG B+
8.REG B-
7.REG G
9.-12V
10.GAV
11.+12V
6
1
1
CONTAC T
1
491010
WHITE
SIDE
CONTAC T
POWER PACK
J43
CONTAC T
NOT USED
9
PRINTED SIDE
XWZ4327
1
15
TA 7809S
/OVF
NOT USED
CONTAC T
VH-
VL-
VL+
VL+
VH+
VH+
NECK-
NECK+
SLOUT
NECK-
FLOUT
FLOUT
VH-
S.GND
GNDA
DA
GNDD
21.V+5D
GNDD
GNDD
GNDU
GNDU
GNDU
GAV
GAV
GAV
IN
OUT
GNDD
D+5.6V
GNDA
GNDD
D+5V
D+5V
D+5V
GNDU
V+5D
T+9V
-12V
-12V
-12V
+12V
+12V
+12V
GNDD
V+5D
GNDT
REGB
REGB
DREG
GNDD
HP L
HP G
HP R
A.MUTE
FL AC1
FL AC2
-VF
SBL/SBR/SP-B
FL/FR
R/C SP
FR
FL
NECK+
CHASSIS
CHASSIS
CHASSIS
ASSY
Production Code
PAC014A
17
1
1
1
21
/OVF
CONTAC T
15
SIDE
CONTAC T
21
AA
Q807
Q808
1
word surface
1
18
word surface
13
119
21
LITTLE FUSE INC.
AS MARKED. MFD. AS
CAUTION
REPLACE IC LINKS
NP
NP
NP
NP
11
10
1
FC
16
1551
O
CN702
CN800
N
810
CN111
A
CN816
CN1
V
CN1
B
CN805
CN2
V
CN2
B
CN806
CN109
A
CN815
CN110
A
CN704
851
D
CN701
CN302
P
CN803
SIDE A
C
(XNP3126-B)
(VSX-918V)
(VSX-818V)
(VSX-918V)
(VSX-818V)