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