SECTION 4: CIRCUIT ADJUSTMENTS
ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER
Use the Remote Commander
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:
Display Channel 5 Sound Volumne + Power
SERVICE ADJUSTMENT MODE ON
1. The CRT displays the item being adjusted.
Display Item
Mode Item Data
SERVICE HSIZ | 0 |
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 ADJUSTMENT MODE MEMORY
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| MUTING | Green | ||
SERVICE | WRITE | |||||
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| ENTER | Red | ||
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1. Press 8 then | ENTER | on the Remote Commander to initialize. | ||
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| SERVICE | RESET | Carry out Step 1 when adjusting | |
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| adjusting IC003 |
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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 confi rm they were adjusted.
4-3. REMOTE ADJUSTMENT BUTTONS AND INDICATORS
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| MUTING |
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| DISPLAY | 3 |
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| Item (Data up) | ||||||||
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| Disp. (Item up) |
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| Item (Data down) | ||||||
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(Device Item Up) | 5 |
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4 |
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| ENTER |
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Disp. (Item down) |
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(Enter into | |||||||||
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8 |
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| (Initialize) | 0 |
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| VOLUME (+) |
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2. Turn set off then on to exit service adjustment mode.
— 16 —