Block Diagram (1 Of 6) - Panasonic TX-32LX500M Service Manual

TX-32LX500M / TX-32LX500A / TX-32LX500X / TX-26LX500M / TX-26LX500A / TX-26LX500X

10.2. Block Diagram (1 of 6)

TO
LCD PANEL
POWER UNIT
A ETXMM565MBB
HOT
CN
AP2
101
1converter
7 DC+ 7
CONTROL POWER IC
IC7051
B 100V/200V AUTO SELECT
1 2 3 4 5
D7004
M
RECTIFICATION
D7051 D7052
C
D7107
RECTIFICATION
- +
IC7101
LF7001
POWER CONTROL
2 3
7 VIN DRAIN 9
1 4
VCC 4
D7112
Z/C 1
LF7002
F/B 2
2 3
D
STANDBY POWER CIRCUIT
1 4
LF7003
2 3
1 4
2 3
1 4
LF7004
E
K-BOARD
POWER SWITCH
AP6 K6
1 1
3 3
SW001
F7000
F
AP10 1 2
AC CORD
TX-26/32LX500A/M/X
Block Diagram (1 of 6)
1 2
TO
LCD PANEL
CN CN
1 2 3 4 1 2 3 4
202 203
CN
COLD AP3
201
1 24V_ON 1
DC24V
4 24V 4
5 5
24V
6 24V 6
7 24V 7
F.B. CIRCUIT
R7300
AP-BOARD
Q7301
MAIN_ACT
HOT
COLD
m
R7400
RL7001
RELAY
Q7202
24V ERROR DET
AC RELAY
RL7002
T7101
AC DET
NC 16 D7104 D7116
2 P2 S1 15
3 PT
S2C 14
* <
4 P1 S2B 13
* *
S2A 12 D7113
6 V2
S3B 11
*
S3C 10
7 V1
NC 9
PC7102
FEED BACK
M
+
IC7103
ERROR DET
D7120 D7105
O.V.P CIRCUIT
(DETECT:AC RELAY OFF)
HOT COLD
Q7204
Q7102
24V DET
Q7101
24V DET
Q7103
100/200V SELECT RESET
OVER VOLTAGE DETCET
Q7203
H:RESET
3 4
D7203 D7204
24V OVP
(LED BLINKING : 8 TIMES)
IC7301
SOUND_16V OVP
SUUND_16V/SUB_5V
D7303 D7304
+16V
9 1 IC7751
4
PC_5V
17
10 +5V
18
1 +5V
14
5V OVP
5
D7301 D7302
Q7302
SUB_ACT
Q7751
SUB_ACT
IC7401
D7601
SUB_9V/MAIN_3.3V
9V OVP
D7403 D7404
13 MIX
+24V
D7602
17
10 +9V
18
Q7502
14
MAIN_5V
9 +3.3V 1
4 3.3V OVP
D7401 D7402
Q7402
SUB_ACT
Q7501
MAIN_ON
Q7401
MAIN_ACT
(LED BLINKING : 5 TIMES)
Q7503
MAIN_9V
Q7206
Q7205
Q7207
5 6
28
BT30V SHORT SOS
D7208
Q7210 D7209
PC5V SHORT SOS
L:NORMAL
H:ABNORMAL
Q7211
SHORT SOS(LED BLINKING : 3 TIMES)
BT30V/PC5V(SOS:LOW)
2
PC_5V OVP D7605
D7753 Q7601
D7754
BT_30V
D7606
D7603
D7604
Q7212
Q7208
D7211
Q7214
Q7505
MAIN_ON
DC-DC ON/OFF CONTROL
RESET CIRCUIT
D7252
D7251
Q7252
Q7251
Q7506
MAIN_ON
MAIN_ACT
Q7504
PANEL_Vcc OVP
MAIN_ON
D7704 D7703
IC7701
PANEL 5V
1 +5V 2
5
Q7702
Q7701
7 8
BT_30V-1
TO H1
AP1
7 SOUND_16V
8 SOUND_16V
9 SOUND_16V
11 MAIN_5V
13 PC_5V
15 SUB_5V
17 SUB_9V
18
SUB_9V
21 MAIN_3.3V
23 BT_30V
AP5 TO DG5
2 SUB_5V
3 SUB_5V
SUB_5V
4
7 STB_5V
10 24V_ON
11 PANEL5V_ON
15
SUB_ON
16 MAIN_ON
17 SOS_1
18 AC_ON
19
24V_DET
22 MAIN_5V
MAIN_5V
23
TO DG4
AP4
3 MAIN_9V
4 MAIN_9V
8 MAIN_3.3V
9 MAIN_3.3V
R7960
MAIN_3.3V
10
13 SUB_9V
14 SUB_9V
20
PANEL_5V
21
PANEL_5V
22 PANEL_5V
TX-26/32LX500A/M/X
Block Diagram (1 of 6)
9