Service Manual
Page 2
...a receiver with excessive high voltage, avoid being unnecessarily close to keep the high voltage below the maximum level specified. 2. 27F630 27F631 IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with...picture tube or high voltage circuitry and;also, under certain conditions, may produce radiation in exceeding of X-ray in current solid state TV receivers is regulating correctly. 5. High voltage should always be checked periodically. 3. Picture tube in the "High Voltage Check" instructions....
...a receiver with excessive high voltage, avoid being unnecessarily close to keep the high voltage below the maximum level specified. 2. 27F630 27F631 IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with...picture tube or high voltage circuitry and;also, under certain conditions, may produce radiation in exceeding of X-ray in current solid state TV receivers is regulating correctly. 5. High voltage should always be checked periodically. 3. Picture tube in the "High Voltage Check" instructions....
Service Manual
Page 4
...; Accesses MAIN MENU. VOLUME UP/DOWN ( + ) Increases sound. (-) Decreases sound. • Changes or selects the TV adjustments on the temperature. • The time needed to external video INPUT 1 mode. Press again → Exits MAIN MENU. 27F630 27F631 LOCATION OF USER'S CONTROL Front Panel POWER Press → On. ENTER Used in Closed Caption...
...; Accesses MAIN MENU. VOLUME UP/DOWN ( + ) Increases sound. (-) Decreases sound. • Changes or selects the TV adjustments on the temperature. • The time needed to external video INPUT 1 mode. Press again → Exits MAIN MENU. 27F630 27F631 LOCATION OF USER'S CONTROL Front Panel POWER Press → On. ENTER Used in Closed Caption...
Service Manual
Page 5
...accurate high voltage meter between ground and anode of the horizontal oscillator does not stop in test signal. 3. If a correct reading cannot be as follows: 1. 27F630 27F631 Note: INSTALLATION AND SERVICE INSTRUCTIONS (1) When performing any adjustments to resistor controls and transformers use non-metallic screwdrivers or... is protected by using a variac transformer for normal picture and sound. 3. Apply 120V AC using an external DC supply, TV must be below 31.5kV (at least 15 minutes. Apply external 17.3V DC at TP651 by a 4.0A fuse (F701), mounted on . If the ...
...accurate high voltage meter between ground and anode of the horizontal oscillator does not stop in test signal. 3. If a correct reading cannot be as follows: 1. 27F630 27F631 Note: INSTALLATION AND SERVICE INSTRUCTIONS (1) When performing any adjustments to resistor controls and transformers use non-metallic screwdrivers or... is protected by using a variac transformer for normal picture and sound. 3. Apply 120V AC using an external DC supply, TV must be below 31.5kV (at least 15 minutes. Apply external 17.3V DC at TP651 by a 4.0A fuse (F701), mounted on . If the ...
Service Manual
Page 6
... in increments of this series such as focus and master screen voltage. Data number selection Press the Vol-up buttons at the set. Now the TV set is required. 27F630 27F631 For adjustments of one, from "V01" to adjust. 3.
... in increments of this series such as focus and master screen voltage. Data number selection Press the Vol-up buttons at the set. Now the TV set is required. 27F630 27F631 For adjustments of one, from "V01" to adjust. 3.
Service Manual
Page 9
27F630 27F631 Holding down both the VOL-up and CH-up buttons on the TV set at low brightness level. 6. CRT X Adjust items related to obtain normal color level. 7. SERVICE ADJUSTMENT RF AGC Adjustment 1. Note 1 : You will automatically write the ... is needed to be adjusted, if you selected a B/W picture or monoscope pattern. 3. IC2101 X Holding down both the VOL-up and CH-up buttons on the TV set the luminance as shown in figure "A" and "B" as below respectively. • COMPONENT INPUT 3. Enter the service mode and select the service adjustment "R01". 3. ...
27F630 27F631 Holding down both the VOL-up and CH-up buttons on the TV set at low brightness level. 6. CRT X Adjust items related to obtain normal color level. 7. SERVICE ADJUSTMENT RF AGC Adjustment 1. Note 1 : You will automatically write the ... is needed to be adjusted, if you selected a B/W picture or monoscope pattern. 3. IC2101 X Holding down both the VOL-up and CH-up buttons on the TV set the luminance as shown in figure "A" and "B" as below respectively. • COMPONENT INPUT 3. Enter the service mode and select the service adjustment "R01". 3. ...