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Self Diagnosis Supported model SERVICE MANUAL MODEL NAME REMOTE COMMANDER DESTINATION BA-6 CHASSIS CHASSIS NO. KV-20FS100 KV-20FS100 RM-Y173 RM-Y173 US CND SCC-S61A-A SCC-S59A-A KV-24FV300 RM-Y180 TRINITRON® COLOR TELEVISION 9-965-922-03 KV-20FS100/20FV300/21FM100/21FS100/ 21FV300/24FV300/25FV300 SECTION 4: CIRCUIT ADJUSTMENTS ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER Use the Remote Commander (RM-Y172, RM-Y173, RM-Y180) to perform the circuit adjustments in this section. Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator 4-1. SETTING THE SERVICE ADJUSTMENT MODE 1. Standby mode (Power off). 2. Press the following buttons on the remote commander within a second of each other: Channel 5 Sound Volumne + Power Display 4-2. MEMORY WRITE CONFIRMATION METHOD 1. After adjustment, pull out the plug from the AC outlet, then replace the plug in the AC outlet again. 2. Turn the power switch ON and set to Service Mode. 3. Call the adjusted items again to confirm they were adjusted. SERVICE ADJUSTMENT MODE ON 1. The CRT displays the item being adjusted. Mode Category service Signal Type ntsc vchp 00000000 00000000 defl Display Item Item Data hsiz 16 4-3. REMOTE ADJUSTMENT BUTTONS AND INDICATORS MUTING (Enter into memory) POWER (Service Mode) DISPLAY 2. Press 1 or 4 on the Remote Commander to select the item. 3. Press 3 or 6 on the Remote Commander to change the data. 4. Press MUTING then ENTER to write into memory. (Service Mode) 3 Item (Data up) 6 Item (Data down) 5 (Device item down) SERVICE ADJUSTMENT MODE MEMORY Mode Category service Signal Type ntsc vchp 00000000 defl Display Item Item Data hsiz 16 write 00000000 ENTER Red MUTING Green 1 Disp. (Item up) 2 (Device Item Up) 4 Disp. (Item down) 8 (Initialize) ENTER (Enter into memory) 0 (Remove from memory) 1. Press 8 then ENTER on the Remote Commander to initialize. Mode Category defl Display Item hsiz 16 write Item Data MUTING Green VOLUME (+) (Service Mode) service Signal Type ntsc vchp 00000000 00000000 ENTER Red RM-Y180 Carry out Step 1 when adjusting IDs 0-6 and when replacing and adjusting IC002 2. Turn set off then on to exit Service Adjustment Mode. -- 17 --