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V7650 Series
HP V7650 Series User Manual
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19
6-6 ABNORMAL
VERTICAL
SCANNING
1. ABNORMAL VERTICAL SIZE
2. VERTICAL CENTER
NG
READJUST V-CENTER
RELATIVE CKT
CHECK IC401 AND IC601
6-7 SIDE-PIN CUSHION DISTORTION
NG
READJUST SIDEPIN
CHECK IC401, Q404, Q405, Q406
RELATIVE CKT.
6-8 POOR FOCUS
READJUST FOCUS CONTROL
NG
CHECK FOCUS CONTROL UNIT,
FOCUS LEAD WIRE, CRT SOCKET & CRT
19
21
Table of Contents
Default Chapter
1
Color Monitor
1
Service Manual
1
Table of Contents
2
Revision List
3
1 Monitor Specifications
4
2 Precautions and Notices
6
Safety Precautions
6
Product Safety Notice
7
Service Notes
7
High Voltage Warning
7
3 Operating Instructions
8
4 Adjustment
9
Adjustment Conditions and Precautions
9
Main Adjustments
9
Adjustment Method
9
5 Circuit Description
13
Micro Controller Circuit
13
Deflection Circuit
13
Transistor & Diode Circuit
14
6 Trouble Shooting Chart
15
No Raster, Crt Relative Circuit Problems
15
Abnormal Display
17
No Blanking
18
Hor./Osc/Def/Hv Circuit Fault
18
Abnormal Horizontal Deflection
19
Abnormal Vertical Scanning
20
Side-Pin Cushion Distortion
20
Poor Focus
20
Power Supply Trouble Shooting Chart
21
7 Mechanical of Cabinet Front Dis-Assembly
22
8 Bom List
23
9 Block Diagram
40
10 IC Block Diagrams
42
11 Pcb Layout
46
12 Schematic Diagram
48
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HP V7650 Series Specifications
General
Brand
HP
Model
V7650 Series
Category
Monitor
Language
English
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