AOC CM-736, Руководство по обслуживанию

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TABLE OF CONTENTS
PAGE
1. SPECIFICATIONS FOR CM-736 COLOR MONITOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. PRECAUTION AND NOTICES ....................................................................................
4
2- 1 SAFETY PRECAUTIONS .................................................................................. 4
2 - 2
PRODUCT SAFETY NOTICE
4
...... ......................................................................
2 - 3 SERVICE NOTES ............................................................................................ 5
2 - 4 HIGH VOLTAGE WARNING ............................................................................. 5
3. OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 ......................................
3- 1 OPERATION INSTRUCTIONS ...........................................................................
6
3 - 2 CONNECTOR ............................................................................... 7
4. TIMING DIAGRAM & TABLE .....................................................................................
a
4- 1 EXTERNAL CONTROL ..................................................................................... 8
4 - 2 D I G I T A L F E A T U R E S .......................................................................................
a
5. ADJUSTMENT
10
..................... ....................................................................................
5 - l ADJUSTMENT CONDITIONS AND PRECAUTIONS ............................................. 10
5 - 2
MAIN ADJUSTMENTS .................................................................................... 10
5 - 3 EXTERNAL CONTROLLED FUNCTION ...............................................................
11
5-4 ALIGNMENT P R O C E D U R E S ............................................................................. 11
6. PCB LAYOUT ........................................................................................................... 14
6- 1 M A I N PCB LAYOUT ....................................................................................... 14
6- 2 CRT PCB L A Y O U T ......................................................................................... 15
6 - 3 S M P S P C B L A Y O U T . . ..................................................................................... 15
6 - 4
SIGNAL PC
LAYOUT .................................................................................... 16
7. B L O C K DIAGRAM (VIDEO VERT & HORI ...................................................................
17
BLOCK DIAGRAM (SMPS) .....................
...................................................................
la
8. TROUBLE SHOOTING ............................................................................................... 19
8 - 1 N o RAS
T
E R
............................ 19
......................................................................
8 - 2
A B N O R M A L V I D E O O N C R T
S C
R
E E N .............................................................. 2 0
a - 3
A B N O R M A L
WHITE
B A
L A N C E .........................................................................
2 0
8-4 NO BLANKING WORK .................................................................................... 21
a - 5 H.OSC/DEF/HV
C I R C U I
T
F
A U
L
T ...................................................................... 21
B - 6 F/v CONVERTER AND ASSOCIATED CIRCUIT .................................................. 2 2
a - 7
U N S T A
B
L E
SYNCHRONIZATION HORIZONTAL ................................................. 2 2
8-8
P O W E R S U P P L Y T R O U B L E
S H
O O T I N
G
C H A R
T ................................................. 2 3
9. MECHANICAL OF CABlNET FRONT DIS-ASSEMBLY ...................................................... 2 4
9- 1 MECHANICAL D I S - A S S E M B L Y ..........................................................................
2 5
1 0 LOCATION OF ADJUSTMENT VR OF P.C.B. ...............................................................
2 6
11. PURITY ADJUSTMENT .............................................................................................
27
12. CONVERGENCE ADJUSTMENT
.
..................................................... 28 . .
............................
13. PARTS LISTING ....................................................................................................... 2 9
14. SCHEMATIC DIAGRAM ............................................................................................ 53
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