Block Diagram; Block Diagram (1 Of 7) - Panasonic TX-32LXD500 Service Manual
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Also See for TX-32LXD500:
- Operating instructions manual (60 pages) ,
- Service manual (121 pages) ,
- Service manual (225 pages)
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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
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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
1converter
DC24V
4
24V
4
5
24V
5
6
24V
6
7
24V
7
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
D7115
D7114
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
SUUND_16V/SUB_5V
OVP
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
D7402
D7401
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
DC-DC ON/OFF CONTROL
10
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
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