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- page 65
Models:
14Q1
14Q2
14Q3
14T1
14T2
20Q1
20Q2
20Q3
20T1
20T2
21Q1
21Q2
21Q4
21T1
21T2
1
65
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77
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77 pages, 1.6 Mb
Contents
Main
Service Manual
38 / 48 / 51 Cm Mono Colour Television
DAEWOO ELECTRONICS CO., LTD.
CHASSIS : CP-370
CONTENTS
Specifications
Safety Instruction
SAFETY PRECAUTION
X-RAY RADIATION PRECAUTION
PRODUCT SAFETY NOTICE
Alignment Instructions
Page
Page
IC Description
DW370ASM* (Micro-controller for Non-Teletext Model) =TMS370C08A05 ( TI Type No.)
Page
Page
Page
Page
Page
24LC08B (EEPROM)
Page
Page
Page
Page
Page
Page
TDA4665(Base Band Delay Line)
TDA8395 (Secam Decoder)
TDA6106Q ( Video Output Amplifier )
I802 PC817
TDA8356 (DC-coupled vertical deflection circuit)
TDA7056 (BTL AUDIO OUTPUT AMPLIFIER) : 1 SPEAKER MODEL
STR-S5707 (Hybrid IC for a Switching Regulator)
Page
TDA8138 (5.1V+12V regulator with Disable and Reset)
TDA 1519B(AUDIO OUTPUT AMPLIFIER); 2 SPEAKER MODEL
PCA84C 122A(IC REMOCON)
Circuit Description
Vision IF amplifier, AFC, video demodulator
Tuner A.G.C.
PLL sound demodulator
Source select switch
Vertical synchronization
Geometry processing
Colour decoder
Integrated video filters
RGB output and black current stabilization
Tuning
TDA8395 SECAM decoder
Base band delay line TDA4665
TDA8356 vertical deflection.
Horizontal deflection
Video amplifiers
Power Supply STR-S5707
Page
40
Trouble Shooting Charts
1. NO RASTER
41
2. NO PICTURE(RASTER OK)
42
3. NO VERTICAL SCANING(ONE HORIZONTAL LINE ON SCREEN)
43
4. NO COLOR
44
5. NO SOUND(PICTURE OK)
45
6. NO EXTERNAL A/V(RF OK)
7. NO ON-SCREEN DISPLAY(PICTURE OK)
46
8. REMOTE CONTROL UNIT TROUBLE(LOCAL CONTROL OK)
IC DC Voltage Charts
Page
Electrical Parts List
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Page
Page
Page
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Page
Page
Page
Page
Page
Page
Page
# FRONT A/V PART LIST (OPTION)
LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK
LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKLOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK
Q / T Difference Part List
CP-370 Inch Difference Part List