Block Diagram; Block Diagram (1 Of 7) - Panasonic TX-32LXD500 Service Manual

10 Block Diagram

10.1. Block Diagram (1 of 7)

A
POWER UNIT
AP-BOARD
CN
AP2
101
7 DC+ 7
CONTROL POWER IC
D7004
RECTIFICATION
B
C
D7107
RECTIFICATION
- +
IC7101
LF7002
POWER CONTROL
2 3
7 VIN DRAIN 9
1 4
SOUCE 5
VCC 4
LF7003
F/B 2
D
2 3
1 4
LF7004
2 3
1 4
E
K-BOARD
AP6 K6 POWER SWITCH
1 1
3 3
SW001
AP10 1 2
F
TX-26/32LXD500 TX-26/32LX500F/P
Block Diagram (1 of 7)
1 2
TO TO
LCD PANEL LCD PANEL
CN CN
1 2 3 4 1 2 3 4
202 203
CN
HOT AP3
COLD 201
1 24V_ON 1
DC24V
1converter
24V
4 4
5 24V 5
6 24V 6
7 7
24V
F.B. CIRCUIT
HOT
COLD
RL7001
D7202
Q7202
RL7002 24V DET
AC RELAY
HOT COLD
T7101
STANDBY TRANS
NC 16
2 P2 S1 15
3 PT
S2C 14
D7114 D7115
4 P1 S2B 13
S2A 12
D7113
6 V2
S3B 11
S3C 10
7 V1
D7104 D7116
NC 9
D7112
PC7102
FEED BACK
M
1
2
+
3
IC7103
ERROR DET
D7105
HOT COLD
Q7102
Q7101
24V DET
24V DET
Q7203
AC ON
3 4
D7203 D7204
24V OVP
IC7751
IC7301
SOUND_16V
OVP
SUUND_16V/SUB_5V
1 +5V
D7303 D7304
R7300
9 +16V 1
5
4
17
10 +5V
18
14 5V OVP
PC_5V OVP
D7301 D7302
*D7754
Q7302
SUB ACT
*Q7751
Q7301
(SUB_ON)
MAIN ACT
IC7401
SUB_9V/MAIN_3.3V
D7601
D7602
+24V 23 MIX
D7403 D7404
R7400
Q7502
17
10 +9V
18 MAIN_5V
9V OVP
13
9 +3.3V 1
4
Q7402
SUB ACT
Q7501
MAIN_ON
Q7505
Q7401
MAIN ACT
MAIN_9V
Q7503
D7401 D7402
3.3V OVP
Q7504
MAIN_ON
PANEL_5V OVP
D7704
Q7206
Q7205
Q7207
Q7204
O.V.P . DETECT
(DET:AC RELAY OFF)
5 6
27
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
BT_30V DET
D7208
PC_5V DET
Q7210
*D7209
L:NORMAL
PC_5V
H:ABNORMAL
2 AP1
Q7211
SHORT DET
3
(LED BLINKING : 3 TIMES)
7
8
9
11
13
*D7753
15
17
18
BT_30V
21
Q7601
23
D7603
D7604
Q7212
Q7208
D7211
AP5
2
3
4
Q7214
7
10
DC-DC ON/OFF CONTROL
11
15
16
17
18
19
22
23
IC7701
PANEL 5V
Q7506
1 +5V 2
5
AP4
3
4
D7703 8
9
R7960
10
13
14
17
Q7701
20
PANEL 5V ON
21
Q7702
22
A_9V
*Q7851
IC7851
3
1
ERROR DET
2
TX-26/32LXD500 TX-26/32LX500F/P
Block Diagram (1 of 7)
7 8
TO H1
STB_LED
SOUND_16V
SOUND_16V
SOUND_16V
MAIN_5V
PC_5V
SUB_5V
SUB_9V
SUB_9V
MAIN_3.3V
BT_30V
TO DG5
SUB_5V
SUB_5V
SUB_5V
STB_5V
24V_ON
PANEL5V_ON
SUB_ON
MAIN_ON
SOS_1
AC_ON
24V_DET
MAIN_5V
MAIN_5V
TO DG4
MAIN_9V
MAIN_9V
MAIN_3.3V
MAIN_3.3V
MAIN_3.3V
SUB_9V
SUB_9V
A_9V
PANEL_5V
PANEL_5V
PANEL_5V
9