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CHAPTER TWO
GENERAL INTRODUCTION:
Number
Location
1
UT1
2
UT2
3
U302，U303
4
U701
5
U306,U307,UA3 FSAV330QSCX
6
K201
7
K202
8
U6
9
U801
10
U700
11
U201
12
U402
13
U305
14
U400
15
U5
16
U600
.ICs FUNCTION INTRODUCTION IN DETAILS
Main Tuner (TMI4-C22P2RW)
Pin
1
2
3
4
5
6
7
8
9
10
11
Sub Tuner (TAD5-C2IP1RW):
Pin
1
AGC
2
NC
MAIN ICs FUNCTION INTRODUCTION
Type
TMI4-C22P2RW
TAD5-C2IP1RW
24LC21A T/SN
24LC32A T/SN
K7262N
K9352N
TPA3002D2PHPR
AM29LV800DT-70EC
GM1501-BD
TDA15063H-N1B06557
SAA7115HL/V1
SM5302AS-G-ET
TDA8759HV/8/C1
TDA9178T/N1
MT46V2M32LG-4
Definition
AGC
UT
ADD
SCL
SDA
NC
+5V
NC
30V
NC
IF
Definition
TV Board
Audio and image intermediate frequency signal
output
Sub picture CVBS signal output
Main Board
EEPROM
Buffer
Switch selection
Audio surface filter
Audio surface filter
Audio amplifier
Flash，control program inside
Video processor
AV decoder
Sub channel video decoder
High definition signal filter
Video signal modulus transformer
Video signal picture amendment
Frame buffer
Auto gain control
NC
Ground
IIC bus (Clock)
IIC bus (Data)
NC
Power supply
NC
To produce 0~30V tune voltage
NC
Intermediate frequency TV signal
Intermediate frequency TV signal
Auto gain control
NC
Main Function
Description
Description
7
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