Caple C702G Service Manual Page 105
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- Table of contents
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Rated. / 5. Based on customer reviews
7-17
5-8. Impurity on CRT Screen
Does the picture sway when the degaussing Select the degauss item on OSD, and push ‘PROCEED’
NG
/Digital control circuit failure
/Z connector disconnected
/CL connector disconnected
OK
Confirm degaussing effect
No effect
/SW REG. failure
/Degauss coil failure
Effect, but not enough
Make sure that the monitor is removed away from any strong magnetic field
No magnetic field interference
Adjust the GlobalSync, TOP LEFT, TOP RIGHT, BOTTOM LEFT
and BOTTOM RIGHT with OSD control.
OK NG
Check the voltage at the feedback resister (R4J6: GLOBALSYNC,
R4N6: TOP LEFT, R4R6: BOTTOM LEFT, R4L6:TOP RIGHT,
R4M6: BOTTOM RIGHT).
Confirm that the variable range of the voltage at the feedback
resister should be between –5.6volt and +5.6volt , when the GLOBALSYNC
(5 Items) control is varied.
OK Turn the monitor face to the North, South NG
West and the East.
OK
CONTINUE1 CONTINUE2
- SERVICE MANUAL 1
- PRODUCT SAFETY CAUTION 3
- CONTENTS 4
- SPECIFICATIONS 5
- CONTROLS 6
- SERIAL NUMBER INFORMATION 9
- ASSEMBLY 10
- Mount the EMF PWB 13
- Clamp the connector 13
- Insert a pencil between PLATE 21
- SHIELDING CRT ASSY and CN-CL 21
- CN-LEB as per sketch 21
- Clamp CN-CA, CN-CC 23
- ADJUSTMENT PROCEDURES 30
- Magnetized Pattern Example 32
- MultiSync 33
- OSD MENU (S) 36
- OSD MENU (U) 38
- ADJUSTMENT ITEMS 40
- [A] Pre-Adjustment 41
- [B] Initial Settings 41
- [C] Main Adjustment 41
- Center line 50
- XLeft XRight 52
- 45 +0/-1 55
- Vertical Cycle 59
- [D] Reference 65
- 16 VESA 1280*1024@60H 69
- 21 VESA 1280*1024@75Hz 70
- VESA 1920*1440@75Hz 70
- 25 H.HOLD1 70
- 640*480@140Hz 72
- 1280*1024@70Hz 73
- 1024*768@100Hz 73
- 800*600@120Hz 73
- 640*480@160Hz 73
- 800*600@140Hz 73
- Fig.3-1 SW/HV PWB 76
- Fig.3-2 CONT PWB 76
- Fig.3-3 SW PWB 76
- Fig.3-9 DEF PWB 79
- Fig.3-10 OSC PWB 79
- Program Disk 81
- TROUBLE SHOOTING 89
- 1. NO RASTER 90
- 3. UNSTABLE 96
- 5. ABNORMAL PICTURE 99
- 110
- 8. SELF TEST ERROR 112
- 10. RASTER ROTATION ERROR 113
- 14. MOIRE CANCEL FAILURE 121
- 15. PLUG & PLAY FAILURE 122
- 16. OUT OF Cg-SPECIFICATION 123
- 17. USB CIRCUIT FAILURE 124
- CIRCUIT DESCRIPTION 126
- 1. VIDEO CIRCIT 128
- SUB_BIAS 130
- BLANKING 130
- 2. DEFLECTION CIRCUIT 132
- Q571 H.LINEARITY2 136
- H.LINEARITY1 136
- Horizontal Frequency 136
- H.Out Trans 138
- +B Modulator 138
- PWM Chopper 138
- V SAW Input 141
- 3. HIGH VOLTAGE CIRCUIT 142
- 4. BLANKING CIRCUIT 144
- 5. DYNAMIC FOCUS CIRCUIT 145
- 6. CPU CIRCUIT 147
- BNC/D-SUB 152
- 22pin voltage 166
- BOTTOM LEFT 186
- BOTTOM RIGHT 186
- 11. USB CIRCUIT 187
- 12. AUTO ADJUST CIRCUIT 188
- REPLACEMENT PARTS LIST 189
- MAIN CPU 265
- for Human Potential 266
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