Service Manual
Page 19
Preparing ! Measuring tools : DVM(FLUKE87) or Oscilloscope. 3. Samsung Electronics ig. Adjustment Spec : 2.5V ±0.2V. 4. Adjustment Process : Place the Probe on the Switch ! (L/L Switch) of the rear board. 2. Connect the AC Adaptor withe Camera Voltage frequency: NTSC (60Hz), PAL (50Hz). @ Switch on TP101 and rotate the Trimmer Condenser(C130). * PLL voltage adjustment is available only when EEPROM has proper data. Alignment and Ad ustment 3-2 PLL Voltage Adjustment 1.
Preparing ! Measuring tools : DVM(FLUKE87) or Oscilloscope. 3. Samsung Electronics ig. Adjustment Spec : 2.5V ±0.2V. 4. Adjustment Process : Place the Probe on the Switch ! (L/L Switch) of the rear board. 2. Connect the AC Adaptor withe Camera Voltage frequency: NTSC (60Hz), PAL (50Hz). @ Switch on TP101 and rotate the Trimmer Condenser(C130). * PLL voltage adjustment is available only when EEPROM has proper data. Alignment and Ad ustment 3-2 PLL Voltage Adjustment 1.
Service Manual
Page 30
... S ITC settings in case of LineLoc mode ES A Chec the routine of hen the power is a normal SCC P / P/ P / P/ Is power connected correctly ES Is each board, and connection of IC TPS cirrect...correctly in case of Internal mode ES Is MAI Cloc output correctly in regard to LE S spec Is LE S connected correctly ES Is output voltage of IC TL correct ES Is output voltage ...ata. Chec the circuit around IC , replace it if necessary. hen the screen is abnormal . Samsung Electronics Troubleshooting Chec the connector of each board connected correctly ES Is S ITC SETTI of EA ...
... S ITC settings in case of LineLoc mode ES A Chec the routine of hen the power is a normal SCC P / P/ P / P/ Is power connected correctly ES Is each board, and connection of IC TPS cirrect...correctly in case of Internal mode ES Is MAI Cloc output correctly in regard to LE S spec Is LE S connected correctly ES Is output voltage of IC TL correct ES Is output voltage ...ata. Chec the circuit around IC , replace it if necessary. hen the screen is abnormal . Samsung Electronics Troubleshooting Chec the connector of each board connected correctly ES Is S ITC SETTI of EA ...
Service Manual
Page 84
...PT1-2). Meanwhile, DC+3.3V is a feedback signal to IC201-22,23 through L208, C229, C230. It is always controlled to be DC+15V. Samsung Electronics Circuit perating escription 13- -3 Function E planation AC / C Input / utput Power Circuit 1) Voltage is supplied to the Rectification module by CN406... to the switching module. • BD3, BD99, TNR1, C1, C21, C22, LF1 : for the safety requirement • F1 : FUSE(Formal Spec : 250V 1.6A) 3) SWITCHING module switches the signal using RCC(RINGING CHOKE CONVERTOR : an isolated oscillation POWER) method at PT1-6 and rectified through D10...
...PT1-2). Meanwhile, DC+3.3V is a feedback signal to IC201-22,23 through L208, C229, C230. It is always controlled to be DC+15V. Samsung Electronics Circuit perating escription 13- -3 Function E planation AC / C Input / utput Power Circuit 1) Voltage is supplied to the Rectification module by CN406... to the switching module. • BD3, BD99, TNR1, C1, C21, C22, LF1 : for the safety requirement • F1 : FUSE(Formal Spec : 250V 1.6A) 3) SWITCHING module switches the signal using RCC(RINGING CHOKE CONVERTOR : an isolated oscillation POWER) method at PT1-6 and rectified through D10...