Panasonic TCL42U30 - 42" LCD, Руководство по обслуживанию

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