Block (1/3) Diagram - Panasonic TC-L42U30 Service Manual

9.2.

Block (1/3) Diagram

POWER SUPPLY
P
P1
AC CORD
1
Fuse AC Vin
FILTER
(Live) Detection
2
ON/OFF STR-6051M
(with current
Relay
limit)
for prevention
->5.8V OCP
of inrush
(auto restart)
PFC
over
voltage
detection
COLD COLD HOT HOT
Start/ max on duty
Power
Stop limit
factory
->16V/24V OCP
correction
(auto restart)
CONTROL PANEL COMP
CH
V/ CH
+/ VOL
OPERATION KEYS
-/ VOL
MENU
K01
INPUT/OK
KEY1
1
KEY3
POWER BUTTON POWER 3
HOT HOT COLD COLD
PHOTO
COUPLER
Sub converter T201
P2
FET SW
STB5.8V
2
ON/OFF
OVP(Latch)
5.8V over
FEED BACK
PHOTO voltage
COUPLER detection
PHOTO
COUPLER
16V/24V
over voltage
detection
Main converter T401
+16V
4
+16V
5
+16V
6
PHOTO
COUPLER
RELAY
9
PHOTO
SUB_ON
COUPLER
8
INV_ON
13
INV_SOS
12
14
TC06
INV_PWM
3
P4 1 4 P3 1 5 13 14 12
TO TO
LCD PANEL LCD PANEL
(CN201) (CN1)
TC05
A MAIN
A04
KEY1
2
KEY3
4
A03 TUNER6V
15
F16V
F16V
13
12
11
Q4770
8
SUB_ON
9
INV_ON
4
INV_SOS
5
IC8301
A21
PANEL12V
1
PNL12V
+12V
5
24KEC_IIC1
46 PANEL_VCC_ON
47
PWM_POWER_ON PWM_POWER_ON
49
13
LVDS DATA [R(A-D)_0+/-)]
24
29 LVDS DATA [R(A-D)_E+/-)]
40
38
1
2
3
4