Caple C702G Manuale di Servizio Pagina 118
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- Indice
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7-30
13. SWITCHING REGULATOR CIRCUIT FAILURE
Check the output voltages
1. Make sure that the voltage of between K 1 pin
and 3 pin (GND) is approx. 230V.
6. Make sure that the voltage of between CR 1 pin
and 2 pin (floating GND) is approx. 5.5V.
5. Make sure that the voltage of between K 4 pin
and 3 pin (GND) is approx. -15.6V.
4. Make sure that the voltage of between P 6 pin
and 5 pin (GND) is approx. 8.5V.
3. Make sure that the voltage of between K 2 pin
and 3 pin (GND) is approx. +14.5V.
2. Make sure that the voltage of between P 3 pin
and 5 pin (GND) is approx. 80.2V.
Check other circuits
1. Turn off the power switch and wait 1 minute.
2. Disconnect CN-K & P & PM & CR & PS from SW/HV PWB(PWE-571).
Disconnect CN-D from SW/HV PWB(PWE-571).
3. Short Q673 emitter and Q673 corrector on the SW/HV PWB(PWE-571)
4. Add dummy resistor (2.2KΩ,±10%,40W) in parallel with R6A1.
5. Add dummy resistor (82Ω,±10%,2W) in parallel with C6G2.
6. Turn on the power switch and check the output voltages again.
CONTINUE
Failed
Passed
7. Make sure that the voltage of between D 1 pin
and 2 pin (GND) is approx. 20.0V.
8. Make sure that the voltage of between D 3 pin
and 2 pin (GND) is approx. -20.0V.
- 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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Blue-ox BX88271 podręczniki
Instrukcje obsługi i podręczniki użytkownika dla Do samochodu Blue-ox BX88271.
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