Block Diagram For K, P And Ap (Dc-Dc Conv.) (2Of 2) - Panasonic TC-26LX600 Service Manual

12.2. Block Diagram for K, P and AP (DC-DC CONV.) (2of 2)

2
1
V OVP
D7304
0
VP
D7302
/
3V)
D7404
7403
IC7210
.
9V OVP
MAIN_9V
1 +9V
-
IC7212
PANEL_Vcc(12V)
1 +9V
5
Q7701
PANELVCC_ON
,
+
*
)
!
Q7210
SHORT SOS
L:NORMAL
H:ABNORMAL
D7207
10V, BT30V
SOUND VCC,PANEL VCC
SHORT SOS DET
D7206
(+15V)
MAIN9V OVP
D7452
D7453
2
(+13V)
5
Q7208
24V DET
*Q7450
MAIN+9V ON
PANEL_Vcc OVP
D7704
D7703
(+18V)
2
Q7702
PANELVCC_ON
" #
*D7220
10V SHORT SOS
D7208
BT 30V SHORT SOS
D7471
D7469
SOUND VCC SHORT SOS
Q7211
SHORT SOS
D7474
D7472
Panel Vcc SHORT SOS
D7473
D7470
MAIN_9V Q7212
MAIN_5V
SOUND_16V
DC-DC ON/OFF CONTROL
Q7214
24V DET
Q7508
24V DET
$ %
*34567,89:;9<7777777"74=7"7777777>+?"&@A&BBC7>+?#"@A&BB
22
Q7805
INV_ON
Q7806
INV_ON
POWER SWITCH
*SW7203
& '
A3
AP3
2 SOUND_VCC
3 SOUND_VCC
7 BT_30V
17 MAIN_9V
18 MAIN_9V
19 MAIN_9V
21 MAIN_5V
22 MAIN_5V
A4
AP4
1 TV_SOS
3 STB_7V
6 TV_MAIN_ON
7 ALL_OFF
8 TV_SUB_ON
11 PANEL_12V
12 PANEL_12V
14 KEYSCAN
15 PANELVCC_ON
18 INV_ON
22 SUB_9V
22 SUB_9V
(