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DA-4
CHASSIS
CIRCUIT ADJUSTMENTS ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER
Use the Remote Commander (RM-Y170, RM-Y171) 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 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 Volume + Power DISPLAY
4-1.3. READING THE MEMORY
1. Enter into Service Mode. 2. Press 0 on the Remote Commander. 3. Press ENTER to read memory.
4-1.4. ADJUSTING THE PICTURE
1. 2. 3. 4. 5. Enter into Service Mode Press 2 or 5 on the remote to select the device item. Press 1 or 4 on the remote to select an item. Press 3 or 6 on the remote to change the data. Press MUTING then ENTER to write into memory.
4-1.1. SERVICE ADJUSTMENT MODE IN
Disp. (Item) Item order Item data
VP HSIZ
0
7 TV
SERVICE
Mode
4-1.5. RESETTING THE DATA
Note: Be careful when using the remote! It will clear and re-initialize ALL NVM data including deflection adjustment data if not reset properly as follows:
3. 4. 5. 6.
The CRT displays the item being adjusted. Press 1 or 2 on the Remote Commander to select the item. Press 3 or 6 on the Remote Commander to change the data. Press MUTING then ENTER to write into memory.
4-1.6. RESETTING THE MID NVM DATA
1. Enter into Service Mode. 2. Press 7 , then JUMP , and then press ENTER on the remote.
4-1.2. SERVICE ADJUSTMENT MODE MEMORY
Disp. (Item) Item order Item data
4-1.7. RESETTING THE SYSTEM NVM DATA
1. Enter into Service Mode. 2. Press 7 , then 9 , and then press ENTER on the remote.
4-1.8. COPY FUNCTION
MUTING Green How to use copy function for DA4 Chassis: · After writing your adjusted data into NVM MUTING then ENTER , copy can be made by changing copy data from 0 to 1 then MUTING , ENTER again. WARNING: DO NOT copy data before writing your corrected data in NVM. If data is copied before writing corrected data, old data will be copied. · CPY1: DF/DQP DATA (CXA2170D-4 Item 6) · CPY2: CONVERGENCE DATA (D-CONV Item 13)
VP HSIZ
0
7 TV
SERVICE
ENTER Red 7. Press then on the Remote Commander to initialize.
Disp. (Item) Item order Item data
VP HSIZ
0
7 TV
WRITE
8. DO NOT turn off set until SERVICE appears.