Tatung CM20MBD Manuals

Manuals and User Guides for Tatung CM20MBD. We have 1 Tatung CM20MBD manual available for free PDF download: Service Manual

Tatung CM20MBD Service Manual

Tatung CM20MBD Service Manual (129 pages)

Brand: Tatung | Category: Monitor | Size: 51.99 MB

Table of Contents

Table of Contents
2
General
3
Safety
3
Controls
5
Maki Ng con N Ecti 0 Ns
7
Adjustment
12
Adjustment Procedure
12
Standard Adjustment Conditions
12
Pre-Adjustment of Power Supply (Pwb-1641)
12
Pre-Adjustment of Micro Board (Pwb-1697 -2)
12
Mal N BOAR D (PWB-1640 /1 701) ADJ U STM ENT
13
Gain Adjustment
15
Cut off Adjustment
15
Background Luminance Adjustment
16
Focus Adjustment
16
Purity Adjustment
16
Convergence Adjustment
17
Timing Charts
18
Adjustment Signal and Timing
19
Set the User Switch before Packing
20
Circuit Description
23
Primary Circuit
24
Current Mode Controller
25
Linear Regulator
27
Switching Regulator
27
Deflection Circuit
29
Vertical Deflection Circuit
29
Vertical Height Adjustment Circuit
31
Vertical Position Adjustment
32
Vertical Blanking Circuit 1
32
User Dpc Adjustment Circuit
33
Afc Ihorizont al Osci Llator
33
Horizontal Fiv CI Rcuit
35
Horizontal Phase Shift Circuit
36
Horizontal Drive Circuit
36
Horizontal Deflection Circuit
37
Horizontal Position CI Rcuit
39
Horizontal Blanking Circuit
39
Pwm Signal Generator
39
Wi Dth Contr Ol CI R Cu
42
High Voltage Control Circuit
42
High Voltage Generator
44
High Voltage Protection Circuit
46
Sync. Polarity Detection Circuit
47
Microprocessor Control Circuit
51
Up Idown Control Circuit
52
Voltage Supply
53
Video Preamplifier
54
Deo Output Stage
55
Brightness Control
57
Contrast Control
57
Abl Circuit
58
Signal Level Control Switch
59
Clamp Signal
59
Crt Drive Circuit
59
Spot Killer Circuit
60
Dynamic Focus Circuit
61
Vertical Parabola Generator
62
No Raster (Hv./Def Protection Circuit Failure)
71
Power Start Ng (Smp Pwb-1641 Failure)
72
No Raster (H.def Failure)
73
Special Condition (0411 /06.18)
75
0411 (2Sc4288A) Damaged Due to Surge Voltage
76
No Video
80
Abnormal Video on Crt Screen
81
Abnormal White Balance & Tracking
82
No Blanking
82
Poor Focus
83
Impurity
84
No Vertical Deflection
85
Abnormal Vertical Height
86
Abnormal Vertical Linearity
87
Abnormal Horizontal Width
89
Horizontal Raster Centering
90
Vertical Raster Centering
91
Lack of Stable Vertical Synchronization
92
Lack of Stable Horizontal Synchronization
93
No Key Response (Micro Board Failure)
94
User Data Store Failure (Micro Board Failure)
94
User Data Being Changed (Micro Board Failure)
95

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