Comp Video And Board To Board Assys - Pioneer VSX-917V-K Service Manual

1

3.13 COMP VIDEO and BOARD TO BOARD ASSYS

O
COMP VIDEO ASSY
A
(VSX-917V:XWZ4267)
QTL1013 L303
6
L304
JA351
4
L305
XKN3015
3
L306
SR IN
2
SR PLUS
L302
1
JA352
3
VKB1243-A
2
SR OUT
1
220p
R301 C304
75
(V)
VCR PLAY
47/25
B
(V)
VCR REC
MONI
(V)
C302
STBY
(V)
C309
CHASSIS
TV/SAT
47/25
(V)
C308
LD/DVD
47/25
C
R317 1k
SW OUT
D
390
VEF1040
V+5.6V
D651 DAP202K
R855
1k
L851
L852
STBY STBY
E
Q852
2SC4081
100/10 TS
C864
V-5.6V
F
O
38
1
2
RMC
SR IN
TXD
RXD
SR OUT
YB
C307
R304
IC301
NJM2595M
75
R306
75
FUNCTION
SELECTOR
R896
(V)
75
(SW)
R318
1.2k
R319
Q303
2SC5938A
4.7k
(QR)
V+12
(V)
C1370
(V)
1000/10
C853
0.047
IC851 PDC132A
C862
24 1
VDD1 VSS1
CH 100p
23 2
RST Xin
22 3
C3 Xout
21 4
C2 C1
20 5
SEPin BLANK
19 6
SEPout OSCin
C861 18 7
SEPc OSCout
0.047
17 8
SYNin CHARA
16 9
C860 VDD1 CS
15 10
CVin CK
14 11
0.047
VSS2 DT
R856
13 12
CVout VDD2
1SS355
5.1K
C854
0.047
GAVS
OSD BLOCK
2
3
R311 1k
R312 1k
2SD1858X
+5.6V
R313
Q301
39/3W
V+5.0V
R314
1.5k
D303
UDZS6.2B
D304
UDZS6.2B
R315
1.5k
R316
39/3W
-5.6V
Q302
2SB1237X
Q301, Q302 RIPPLE FILTER
FOR VIDEO FUNC. SW
C347
R309
150
47p CH
(SW)
C1367
100/16
C1368
IC854
0.01
MM1508XN C1369
1u OSDVIN1
1 6
SW IN1
2 5
OUT
GND
3 4
IN2
VCC
C1371
STBY
R1371
0
OSDDT
X851
C855
OSDCK
ASS1056
15p
OSDCS
CH
14.32MHz OSDRT
C856
18p
CH
C857
24p
CH
24p
C858
CH
R852
D359
1SS355
470
D360
VSX-917V-K
3
4
C950
100/16
GAVS
1 3 5 7 9 11 13 15
2 4 6 8 10 14 16
12
TO Main Assy
A 3/3
CN129
4
(SW)
(V)
(V)
CN312
17 19 21
CKS3386-A
18 20
J33