Yamaha DVD-S840 Service Manual page 49

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A
B
1
POWER BLOCK DIAGRAM
PRIMARY CIRCUIT
L1001
D1011
,C1011,C1012
AC SOCKET
P1001
D1002
2
SURGE
LINE
RECTIFIER
KILLER
FILTER
F1001
3
Q1021, Q1052
CONSTANT
VOLTAGE
CONTROL
4
5
6
7
C
D
SECONDARY CIRCUIT
T1021
20
NSW-10V
19
NSW+10V
IC1125
POWER
TRANSFORMER
(REG.D+2.5V)
18
1
IN
OUT
3
ON/OFF
2
Q1115
15
S
REG.+5V
D
G
QR1115
SWITCH
IC1151
(REG.M+9V)
14
1
IN
OUT
3
ON/OFF
2
13
FL-30.8V
FL(DL6001)
Q6095
11
FL DRIVE
F+
12
F-
P1-P17
Q1051
IC1101
PHOTO
SHUNT
NSW+5V
COUPLER
REG.
S6161
COUNT
S6162
DIRECTION
E
F
IC6001
(OPERATION CPU)
STBY
1
D+2.5V
525P
7
40
P.OFF
L
A+5V
REMOCON
33
D+5V
QR6102
(LED DRIVE)
AD.ONLY-LED
94
M+9V
QR6101
(LED DRIVE)
MULTI-LED
96
55
DGT9
1G-9G
KEYIN2
18
63
DGT1
KEYIN1
17
80 SEG23
64
SEG7
KEYIN3
19
9
OSC2
X6001
KEYIN0 16
10
OSC1
2
42
B1
C
1
43
B2
SHUTTLE
1
44
B3
C
2
45
B4
G
H
I
QR6052
D6103
STBY-LED
STANDBY/ON
DRIVE
QR6056
D6151
525P-LED
525P (PROGRESSIVE ON)
DRIVE
IC6101
IR
1
RECEIVER
D6102
VIDEO OFF
D+5V
STOP
MULTI-CH
D6101
PLAY
PAUSE
PA21
OPEN/CLOSE
PA11
PA31
STANDBY/ON
FWD-SKIP
S6101
S6155
RVS-SKIP
S6156
PROGRESSIVE ON
S6157
J
DVD-S840
S6153
S6152
S6151
S6154
49

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