Haier 29FV6H Service Manual page 20

2
57
I C SERIAL BUS DATA LINE SDA1
2
58
I C SERIAL BUS COLOCK LINE SCL1
59
SDA2
60
NC
61
SCL2
62
VIDEO SYNC SIGNAL INPUT
63
REMOTE CONTROL INPUT
64
SLEEP CONTROL
2. Definition of every pin of the LA7841
No.
GROUND
1
VERTICAL SCAN WAVE OUTPUT
2
3 POWER VCC2
4 REFERENCE
5 VERTICAL RAMP WAVE INPUT
POWER VCC1
6
PUMP UP OUT
7
3. Definition of every pin of the TC90L01
STEP FUNCTION
1 Inner audio L signal input
2 Inner video signal input
3 Inner audio R signal input
4 AV1 video signal input
5 AV1 audio L signal input
6 S-video C signal input
7 AV1 audio R signal input
8 AV2 video signal input
9 AV2 audio L signal input
10 Auto
control
11 AV2 audio R signal input
12 +Vcc(+9V)
Function
volume balance
STEP FUNCTION
13 SDA
14 SCL
15 GND
16 Inner audio R signal output
17 Inner audio L signal output
18 Y signal/video output
19 Color system select switch 1
20 C signal output
21 Color system select switch 2
22 Video signal to AVout
23 Audio R signal to AVout
24 Audio L signal to AVout
20
Working
Voltage (V)
0
13.66
25.5
3.28
3.28
25.2
2.38