Block (3/4) Diagram - Panasonic TX-PR42S20 Service Manual

11.4. Block (3/4) Diagram

P POWER SUPPLY
HOT HOT COLD COLD
5A 250V
D108 Q300-Q303
PR101
D109
T100 T301
RESONANCE
D701
Q103 Q104
CONTROL
DRIVE
T300
IC100
PFC
R141
PFC
IC601
PFC_ON
PHOTO COUPLER
Q101
RL100
D100
RECTIFIER NEUTRAL
RL101
RL102
LIVE
T400
D200
RECTIFIER
630mA 250V IC400
F200
STB
CONTROL
IC401
Q400-Q402
L100,L101 FILTER
DET PHOTO COUPLER
IC600
PHOTO COUPLER
T200
AC DET
IC200
IC201
STB
CONTROL
IC202
F100 F101
PHOTO COUPLER
10A 250V 10A 250V
LIVE NEUTRAL
HOT HOT COLD COLD
3 1 P9
AC CORD
Vda
IC902
CONTROL
IC901 -
IC903
+ +
Vda
-
ERROR DET
PHOTO COUPLER
DRIVE
Q901
PR900
CONTROL
4A 250V
D702
D703
D903
D904
Q703
IC700 Q701
Q714
DET
MULTI
CONTROL D708
Q706 Q715
Q705
Vsus
REFERENCE
Vsus
Q709-Q712
VR251
Vsus Adj
IC701
Q609 Vsus
Q707
ERROR DET
Q602
V_RESO_ON
Q600
Vda_IN
PFC_ON IC603
Vsus_IN
D800
POWER MICOM
ALL_OFF
PANEL_MAIN_ON
MAIN RELAY_ON (LED:4TIMES) (LED:4TIMES) POWER SOS
RUSH RELAY_ON TV SUB ON
STB5V_IN
IC800
XIN
F+15V
ERROR DET
XOUT
X600
4MHz
Q801
IC602
ON/OFF
D600
RESET
D501
Q800
Q505
IC500
STB
ERROR DET
P34 3 1 P6 9 7 3 2 1
OPEN A6
36
T900
DISCHARGE P2 SC2
Vsus
1 Vsus
P11 SS11
1 Vsus
4 P+15V
DISCHARGE P35 C25
1 Vda
2 Vda
IC904
R923
Vda Vda
ERROR DET
P25 NO USE
1 P+15V
2 P+15V
5 STB5V
7 S0
8 S1
9 PANEL_MAIN_ON
10 SOS_P4
Q805
Q807
15V
DET
P7 1 3 4 7 5 11 8 9 12 14
A7