Panasonic TC23LX60 - 23" LCD TV, Service Manual

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13.2. Block Diagram for P and AP (DC-DC CONV.) (2 of 2)
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)
*
+
,
-
.
/
0
1
2
PUSH
Q7212
Q7702
Q7303
D7403
D7303
D7206
D7452
Q7701
D7302
D7703
Q7211
Q7210
D7601
D7472
D7207
*D7224
D7473
Q7208
D7304
D7471
D7301
Q7301
Q7214
D7208
D7704
D7404
*Q7450
D7474
D7204
Q7806
D7470
D7602
Q7805
D7469
D7453
*D7220
*SW7203
Q7508
12
2
14
SOUND_VCC
SOUND_20V OVP
TV_SOS
KEYSCAN
MAIN_5V
MAIN_5V
INV_ON
MAIN_5V
17
24V DET
2
BT 30V SHORT SOS
SHORT SOS
15
2
18
SHORT SOS
3
TV_SUB_ON
22
24V DET
INV_ON
+9V
ALL_OFF
7
218
PANEL_12V
PANELVCC_ON
TV_MAIN_ON
2
MAIN_9V
MAIN_9V
SOUND_16V
5
MAIN+5V ON
24V DET
(+22V)
STB_7V
MIX
L:NORMAL
PANEL_Vcc OVP
(+7.5V)
MAIN_9V
1
(+13V)
(+13V)
MAIN9V OVP
SUB_9V
D_20V
A3 AP3
INV_ON
19
IC7212
5
PANEL_Vcc(12V)
SOUND_VCC
205
POWER SWITCH
_5V
SUB_9V
3
+9V
MAIN+9V ON
SOUND+18V ON
5
AP4
H:ABNORMAL
SHORT SOS DET
SOUND VCC,PANEL VCC
PANELVCC_ON
10V, BT30V
SOUND VCC,PANEL VCC
O.V.P, DET CIRCUIT
B9V
10V,24V,SUB+9V
9V OVP
BT_30V
OVP DET
DC-DC ON/OFF CONTROL
22
10V SHORT SOS
MAIN+5V,MAIN+9V
V OVP
PANEL_12V
6
A4
Q7204-Q7207
1
UNREG_30V
2
11
SOUND VCC SHORT SOS
7
OVP
(DET:AC RELAY OFF)
21
5
8
IC7210
5V OVP
MAIN_9V
PANELVCC_ON
MAIN_9V
5
2
18
(+18V)
Panel Vcc SHORT SOS
1
209
22
(+15V)
TC-23LX60 Block Diagram (2 of 2)
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21