Sansui HDLCD3200C Service Manual page 56

A I g I C I
D
I E I F I G I H
REGULATOR SCHEMATIC DIAGRAM
(POWER PCB)
SW+12V ........................... > ........................................................
PCON+5V
GND
SYS POWERH <
FROM/TO POWE_I
AT+34V ............................. > ........................................................
AT+g.3V >
POWER FAIL <
SYS POWER 44 ........................ _ .......................................................
SOUND IB >
SOUND GND
PGNB .......................................................................................
TO INVERTER ]]
INVERTER H <
LIGHT CTL _
TU+32VSW
Q409
KTA1504S Y RTK
f
/
0 PCON SW
Q410 C7083
_HND
P GND
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICF_
NOTE:THE DC VOLTAGEAT EACH PART WAS MEASURED
WITH THE DIGITAL TESTERWHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
CAUTION: DIGITAL TRANSISTOR
SOUND+B
L SOUND GND
L GND
LSW+12V
_SYS_POWER_H
L LIGHT CTL
[INVERTER H
i AT+5.3V
i POWER_FAIL
TUNERt3()Y ..............
L P.CON+5V
DTV+B
W829
I[ FROM/TO REGULATOR2]I
CP411 2(CP3001)
TWG P23P A1
DTV+B 1
DTV+B
P,CON+SV
.................................................................................................. > ........ TUNER+30V 4
........................................................... _ GNDGND i5
GND
> POWER FAIL
AT+S.3V 9
AT+S.3V 10
INVETER H 11
LIGHTE CTL 12
POWER ON H 13
STAND BY H 14
1
SW+12V
SW+12V 16
GND 17
GND 18
GND
19
SOUND GND 20
SOUND GND 21
SOUND+B 22
SOUND+B 23
DTV+B = USA:DTV+lSV
EC:DTV+4V
A I B I C I D I E I E I G I H
J-37 J-38