Regulator Assy - Pioneer VSX-917V-K Service Manual

5
VSX-917V VSX-817
*1
/KUXJ/CA
/KUXJ/CA
IC809 NJM2389F -
C809 O -
C810 O -
R809 O(1K) -
R810
O(3K) -
R820 O(0.15K) -
D814 O -
IC807 - TA7805S
R802 - O(220/2W)
R818
- O(560)
R819 - O(22)
C817 - O
C816 - O
D813 - O
IC808
BA50BCOT -
C818 O -
C819 O -
D810 O -
W376 - -
W378
- -
W379 O O
W380 O -
SDET
V+5VCON
VSX-917V Only
V-SYNC
SEP
VCC
D380
4 5
1SS355
D365
Q359
R395
1SS355
4.7k
RT1N241M
D356
1SS355
R384
STBY
R383
STBY
Q101
R851
10
R824
1K
R382
STBY
Q102
2SC4081
R370
(RS)
75
VSX-917V Only
*2
OSD
VSX-817/KU O
VSX-917V O
VIDEO SIGNAL FLOW
5
6
W380
J43
CN800
52147-1110
W378
V+5D1
W379
V+5D2
DREG INPUT
DREG INPUT
GNDD
C 2/2
+12V INPUT
810
REG G
-12V INPUT
-12V
GAV
+12V
N
THRU/DVC
C404
SELECT
100/10
(C)
C405
0.1
V-5VCON
Q103
2SC4081
(RS)
YB Q104
2SC4081
0.1
(RS)
R374 R400
DVC
R840
R389
X 75 75
O 75
75
6
7
IC809
NJM2389F
1 2
4
3
W376
*1
IC801:
+12V REG.IC
IC802:
-12V REG.IC
IC807

REGULATOR ASSY

(VSX-917V:XWZ4221) (VSX-817:XWZ4222)
0
C394 C393
100/16 100/16
C387 C388
0.1
0.1
1 Vout
VIN1
V+1
2
(Y) BIAS
VEE1 +6dB
3
VIN2
V+2
Y
4
VOUT2
BIAS
VEE2 +6dB
5
VIN3
V+3
C
6
VOUT3
BIAS +6dB
VEE3
7
Powersave GND
IC354 NJM2581M-TBB
R385
1K
VSX-817/KUXJ/CA Only
VSX-917V Only
C1918
R833
1K
3P CJ
R830
L100
12U 560
R831
L101
12U
560
C1919
R832
3P CJ
1K
VSX-917V-K
7
8
R802
IC807
5.0V
IN OUT
R818
GNDD
IC808
5.0V
IN OUT
GNDD
R801
330/3W
IC801
18.5V
11.8V
TA7812S
IN OUT
IN OUT
IC802
-18.7V
-11.9V
TA79012S
R828
(Y)
75 R829
MON OUT
75
CN359(4/5)
Y C
XKB3065
14
VCR OUT
13
12 Y C
11
10
9
XKB3065
8
CN359(5/5)
CHASSIS
CN356
CKS3372
TO Component ASSY
F
CN1402
VSX-917V Only
L
8
A
B
C
D
E
GNDV
J54
F
N
37