Hitachi LE40TF07A Service Manual page 16

Block Diagram
INTERCONNECTIONS
CP3801
J3801
NC GND/KEY_B/RELAY_H
NC
INVERTER_H
LIGHT_CTL
NC POWER_FAIL
NC
POWER_ON_H
SOUND_GND
CD3804 SOUND_GND
SOUND_+B
SOUND_+B
FOR 32W CCFL SW_+12V
CP3804
SW_+12V/GND
1 B/L_+24V
GND
2 B/L_+24V
GND
3 B/L_+24V
GND
4 B/L_+24V
AT_+6.0V
5 B/L_+24V
AT_+6.0V
6 GND
AT_+6.0V
7 GND
SW_+12V
8 GND
SW_+12V
9 GND
GND
10 GND
GND
11 STATUS NC
CP3802
12 BL_ON
13 I_PWM NC
14 E_PWM
POWER PCB
PCB240
CEL737
OS7601 CP7603_1
REMOCON IN
Vout 1
GND
GND 2
AT+3.3V
B+ 3
STANDBY LED
POWER ON LED
STANBY/POWER
D7602
R
2
REMOCON2 PCB
B
1
PCBDA0
3
CEL741
CP7604
GND
KEY B
KEY A
OPERATION PCB
PCB270
CEL738
CD3801
CN2
CP3002
1 11 RELAY H
2 10 BL ON
BL ADJ
3 9
4 8 NC
5 7 PW ON
6 6 GND
GND
7 5
8 4 AMP+18V
9 3 AMP+18V
10 2 SW+12V
11 1 SW+12V
1 10 GND
2 9 GND
3 8 GND
4 7 AT+6.0V
5 6 AT+6.0V
6 5 AT+6.0V
SW+12V
7 4
8 3
SW+12V
9 2 GND
10 1 GND
CN3
CD3802
CP3001
CP3004
1 GND
2 GND
3 SW+12V
4
SW+12V
5 AT+6.0V
6
AT+6.0V
7
AT+6.0V
8 GND
9
GND
10 GND
11 SW+12V
12
SW+12V
CD7603
13 AMP+18V
CN6
14
AMP+18V
1 5 IR_IN
15 GND
2 4 GND
16 GND
3 3 +3.3V_STB
17
PW ON
4 2 LED_R
18
5 1 LED_G
19 BL ADJ
20 BL ON
21 RELAY H
22 GND
CD2817
CN5
1 1
2 2
3 3
CP2805
VCC-Panel 1
VCC-Panel 2
GND 3
4
GND 5
RXE4- 6
RXE3- 7
RXEC+ 8
CN3
GND 9
1
RXE2- 10
2
RXE1- 11
3
RXE0- 12
4
13
VCC-Panel
5
VCC-Panel 14
6
15
VCC-Panel
7
16
8
RXE4+ 17
9
RXE3+ 18
10
GND 19
11
RXEC- 20
12
21
RXE2+
13
RXE1+ 22
14
23
RXE0+
15
24
GND
16
17
18
19
20
21
22
23
24
CP2804
25
GND 1
26
2
RXO4+
27
GND
3
28
RXEO3- 4
29
5
RXOC+
30
GND 6
31
7
RXO2-
32
8
RXO1+
33
GND 9
34
10
RXO0-
35
11
GND
36
GND 12
37
13
GND
38
14
VCC-Panel
39
VCC-Panel 15
40
GND 16
17
RXO4-
18
RXO3+
19
GND
20
RXOC-
21
RXO2+
22
GND
23
RXO1-
24
RXO0+
25
GND
26
M12C SCO
M12 SDA 27
28
VCC-Panel 29
30
VCC-Panel
MAIN UNIT
MAIN001
- 16 -
CN2
1
2
3
4
5
6
A0M 7
8
A0P
A1M 9
10
A1P
11
A2M
A2P 12
13
14
ACKM
15
16
ACKP
17
A3M
A3P
18
B0M
19
RXO0-
20
B0P
RXO0+
B1M 21
RXO1-
22
B1P
RXO1+
B2M 23
RXO2-
B2P 24
RXO2+
25
L/R_IN 26
BCKM
27
RXOC-
28
BCKP
RXOC+
B3M 29
RXO3-
30
B3P
RXO3+
LD EN 31
RXE0-
32
RXE0+
33
SELLVDS
RXE1-
34
L/R_O
RXE1+
2D/3D 35
RXE2-
BL ADJ
36
RXE2+
A4M 37
A4P 38
39
B4M
RXEC-
B4P 40
RXEC+
RXE3-
RXE3+
CN4
1
SELVLS
2
3D FLaz
3
C0M
DCS-SCL
C0P 4
12CS-SDA
C1M 5
EXO4-
6
C1P LCD PANEL
EXO4+
C2M 7
EXE4-
V2801
C2P 8
EXE4+
9
10
CD2801
CCKM 11
12
CCKP
C3M 13
C3P 14
15
C4M
C4P 16
17
D0M
D0P 18
D1M 19
20
D1P
21
D2M
D2P 22
23
24
DCKM 25
26
DCKP
27
D3M
D3P
FRC UNIT 28
D4M 29
MS6M301
30
D4P