Pioneer VSX-D914-K Service Manual page 29

5
CN254
52044-1945
19
C
GNDA
18
GNDA
17
FL
16
GNDA
15
FR
14
GNDA
13
SL
12
GNDA
11
10
SR
GNDA
9
SB
8
A.MUTE
7
ATT
6
Brd Det/
5
6ohm
O.L DET
4
C 1/2
DC DET
3
NECK
2
GNDU
1
R52
27 1/2W
RY51:
POWER RELAY
Q51
DTC143ES
R53 D55
S5688G
3.3k IC51
NJM78M56FA
12.2V
5.6V D51
OUT IN
S5688G
D52
S5688G
D53
S5688G
D54
S5688G
IC51:
U+5V REG.IC
C 2/2
AMP&PRIMARY ASSY
(VSX-D914 : XWZ3795) (VSX-D814 : XWZ3792)
• NOTE FOR FUSE REPLACEMENT
CAUTION -
5
6
FAN MOTOR
R264
R253
C
1
R251
2
GNDA
R252
SB R254
3
R255
GNDA
4
R256
FR
5
GNDA
6
SL
7
GNDA
8
9
SR
GNDA
10
FL
11
A.MUTE
12
ATT
13
Brd Det/
14
6ohm
O.L DET
15
DC DET
16
NECK
17
GNDU
18
CN253
KP200TA18L
T51 ATT7043
C57
0.01 YF
R51
KN51
RCN1080
VNF1084
GND
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
REPLACE WITH SAME TYPE AND RATINGS ONLY.
VSX-D914-K
6
7
AMP INPUT ASSY
G
CN252
(XWZ3804)
S3B-EH
Q253
R266 R265
DTC124ES
100k 22k
C251
47/25
NP
Q251
4.7K 2SC5974
100K
R257
100K 160K
R260
100K
750K
100K
6
8
R259
7
100K
100K
5
100K
4
IC251(2/2)
NJM4558D
Q254
Q252
DTA124ES
2SD1858X
R263
470
Q255
DTC124ES
CN51
L51
XTF3004
RKP1751
FU1
H51 H52
REK1087 (10A)
7
8
Q257
R269
2SA933
1K
1
D254
MTZJ5.1B
2
3
R258 100K
CN251
D251 1SS133
52044-0345
IC251(1/2)
NJM4558D
2
8
D252
R261
1
2.2K
1SS133
3
4
C253
0.01 CKPU
Q256
2SC5974
R267
4.7K
H
TRANS1
ASSY
(XWZ3807)
J1
J1:DB117NB0
J2:DB618NB0
J2
51
1
2
LIVE
L
N
NEUTRAL
AC POWER CORD
ADG7024
C G H
2/2
8
A
-12V
GNDU
+12V
B
C
D
E
F
29