-48-
Service Manual CP-785F
2
4
3
DRAIN
I801
M
O
S
F
ET
AND
CONTROL
IC
1
MAIN
AC
VOLTAGE
I804
OPTO
COUPLER
I823
3.3V
REGULATOR
I703
IR
RECEIVER
FRONT
MAS
K
BUTTONS
I810
CONTROLLED
RECTIFIER
S
W
ITCHING
CIRCUIT
T
801
SM
P
S
T
R
A
N
S
I501
MAIN
IC
OCP
FB
16
D821
I810
controlled
rectifier
HIGH
C841
C840
R713
1
3
1
2
61
64
56
54
7
63
CONDUCTING
IR
IN
µ
com
supply
voltage
KEY
IN
POWER
R888
C888
Q809
Q810
Q811
D811
D825
R810
L801
D806
C808
SW801
P
O
WER
SWITCH
C850
R806
8
4
3
1
2
R870
HIGH
LOW
LOW
CONDUCTING
CONDUCTING
AROUND
6V
d
c
AROUND
3.3Vdc
Power
supply
operation
in
stand
-
by
mode
D801...D804
GRAETZ BRIDGE
b) TV set on stand-by mode
* TV set circuit diagram on stand-by mode
Содержание DTE-29U1TH
Страница 67: ...Service Manual CP 785F 66 7 Exploded view ...
Страница 68: ...Service Manual CP 785F 67 8 PCB Layout 8 1 Main PCB ...
Страница 69: ...Service Manual CP 785F 68 8 2 AV PCB ...
Страница 70: ... 69 Service Manual CP 785F 9 Circuit Diagram ...
Страница 71: ...NEC Corporation 7 1 SHIBA 5 CHOME MINATO KU TOKYO 108 8001 JAPAN ...