14GT15 14GT20
14GT15 14GT20 14GT15 14GT20
14GT15 14GT20 WAVEFORMS 34
DESCRIPTION OF SCHEMATIC DIAGRAM 14GT15 14GT20 SAFETY NOTES: 1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS. 2. SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OP- ERATING. IMPORTANT SAFETY NOTICE: PARTS MARKED WITH " å " ( ) ARE IMPOTANT FOR MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMANCE OF THE SET. SERVICE PRECAUTION: THE AREA ENCLOSED BY THIS LINE ( —– - —– ) IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE. WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANS- FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK. NOTES: 1. The unit of resistance "ohm" is omitted. (K = 1000 ohms, M = Mega ohm). 2. All resistors are 1/8 watt, unless otherwise noted. 3. All capacitors are µF, unless otherwise noted. (P = µµF). VOLTAGE MEASUREMENT CONDITIONS: 1. Voltages in parenthesis measured with no signal. 2. Voltages without parenthesis measured with 3mV B & W or Colour signal. 3. All the voltages in each point are measured with VTVM. WAVEFORM MEASUREMENT CONDITIONS: 1. The colour bar generator signal of 1.0V peak applied at pin (24) of IC201. 2. Approximately 4V AGC bias . 35
- Page 1 and 2: SERVICE MANUAL 14GT15 14GT20 S30Y11
- Page 3 and 4: 14GT15 14GT20 IMPORTANT SERVICE NOT
- Page 5 and 6: 14GT15 14GT20 SERVICE MODE (1) In t
- Page 7 and 8: 14GT15 14GT20 USER DATA IN SERVICE
- Page 9 and 10: 14GT15 14GT20 EEPROM ITEMS OSD DATA
- Page 11 and 12: PIF ADJUSTMENT 14GT15 14GT20 No. Ad
- Page 13 and 14: 14GT15 14GT20 CONVERGENCE ADJUSTMEN
- Page 15 and 16: HORIZONTAL AND VERTICAL DEFLECTION
- Page 17 and 18: FUNCTION OPERATION CHECKING (VIDEO
- Page 19 and 20: MEMORY MAP ADDRESS DATA MICON E 2 P
- Page 21 and 22: 14GT15 14GT20 ADDRESS DATA MICON E
- Page 23 and 24: 14GT15 14GT20 ADDRESS DATA MICON E
- Page 25 and 26: 14GT15 14GT20 ADDRESS DATA MICON E
- Page 27 and 28: TROUBLE SHOOTING TABLE 14GT15 14GT2
- Page 29 and 30: 14GT15 14GT20 TROUBLE SHOOTING TABL
- Page 31 and 32: SOLID STATE DEVICE BASE DIAGRAM 14G
- Page 33: 14GT15 14GT20 MODEL 14GT20 CHASSIS
- Page 37 and 38: J 14GT15 14GT20 C351 103B I H G R31
- Page 39 and 40: J SCHEMATIC DIAGRAM: MODEL 14GT20 H
- Page 41 and 42: 14GT15 14GT20 J SCHEMATIC DIAGRAM:
- Page 43 and 44: 14GT15 14GT20 J BLOCK DIAGRAM - 2/3
- Page 45 and 46: J PRINTED WIRING BOARD ASSEMBLIES P
- Page 47 and 48: 14GT15 14GT20 14GT15 14GT20 PWB-A:
- Page 49 and 50: 14GT15 14GT20 Ref. No. Part No. Des
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- Page 53 and 54: 14GT15 14GT20 Ref. No. Part No. Des
<strong>14GT15</strong><br />
<strong>14GT20</strong><br />
WAVEFORMS<br />
34
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