Sign In
Upload
Manuals
Brands
Changhong Electric Manuals
TV
34T18
Changhong Electric 34T18 Manuals
Manuals and User Guides for Changhong Electric 34T18. We have
1
Changhong Electric 34T18 manual available for free PDF download: Service Manual
Changhong Electric 34T18 Service Manual (62 pages)
CHASSIS NO. CH-20
Brand:
Changhong Electric
| Category:
TV
| Size: 16.09 MB
Table of Contents
Table of Contents
2
Instructions for Service Safety and Maintenance
3
X-Ray Radiation Precaution
3
Safety Precaution
3
Product Safety Notice
4
Safety Symbol Description
4
Maintenance
5
Adjustments
6
Set-Up Adjustments
6
Color Purity Adjustment
6
Convergence Adjustment
6
Circumference Convergence Adjustment
7
White Balance Adjustment
7
Circumference Convergence by DEF Yoke
8
Center Convergence by Convergence Magnets
8
6-Pole Magnet Movement
8
4-Pole Magnet Movement
8
Circuit Adjustments
9
Degaussing
9
Confirmation and Adjustment for Voltage
9
High Voltage Inspection
10
Focus Adjustment
10
SERVICE Mode
11
To Enter the SERVICE Mode
11
Bus Data
11
Option Bit Setting
13
Structure Block Diagram
16
Structure and Chassis Function Description
16
Block Diagram for Supply Voltage System
17
Key Ics and Assemblies
18
General Description
18
Chassis Description
18
Technical Data of Key Ics
19
Microcontroller and Small Signal Processor TDA959X
19
Service Data
19
Available in S-DIP 64 Versions
20
Available in QFP-80 Versions
20
Data Capture
21
Display
21
Functional Difference between the Various IC Versions
22
Pinning (QFP-80 ENVELOPE)
23
Black Diagram
25
Pin Configuration (QFP-80)
26
Pin Configuration (SDIP 64)
27
Devices Available
28
Eeprom At24C16 (N101)
28
Tone Control and Surround Digitally Controlled Audio Processor
30
Block Diagram (TDA7442)
31
Block Diagram (TDA7442D)
31
Sound Power Amplifier TDA8944J (N603)
32
Triple Video Output Amplifier TDA6108JF/6107Q
33
COMB Filter TC90A49P (N1)
35
Dual 4-Channel Analog Multiplexer/Demultiplexer HEF4052
36
Schematic Diagram (One Switch)
37
Ratings
37
Vertical Deflection Output TDA8359J
38
Switch-Mode Power Supply STR- W68XX
40
Waveforms of Key Points
42
Service Data of Key Ics
50
Replacement of Parts
57
Appendix 1. Circuit Diagrams
58
Main Pcb
60
Crt Rgb Pcb
61
Advertisement
Advertisement
Related Products
Changhong Electric 3d60c4000i
Changhong Electric 21BM91
Changhong Electric 21NF55
Changhong Electric 21PF93
Changhong Electric CN-18ED
Changhong Electric CPF29T99
Changhong Electric EF22H888W
Changhong Electric EF24E868
Changhong Electric EF24F898SD
Changhong Electric EF32F868DS
Changhong Electric Categories
LED TV
TV
Refrigerator
Projection TV
LCD TV
More Changhong Electric Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL