JVC AB21W33BPH Repair Manual

AV-21W33
AV-21W33B
BASIC OPERATION IN SERVICE MENU
1. TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the remote control unit.
2. SERVICE MENU ITEMS
With the SERVICE MENU,various settings (adjustments)can be made,and they are broadly classified in the following items of settings:
Y 1.IF ......................................For entering/adjusting the setting values (adjustment values)of the IF circuit.
Y 2.VC ....................................For entering/adjusting the setting values (adjustment values)of the VIDEO/CHROMA circuit.
Y 3.DEF ..................................For entering/adjusting the setting values (adjustment values)of the DEFLECTION circuit.
4.VSM PRESET ..................For setting the values of STANDARD,SOFT and BRIGHT.
Y
(VSM:video status memory)
Y 5.PRESET...........................For setting the values of the preset.
Y 6.AUDIO ..............................For entering/adjusting the setting values (adjustment values)of the multiplicity sound circuit.
Y 7. PLUG & PLAY (ON) ........This is not used for service.
3. BASIC OPERATION IN SERVICE MENU
(1) How to enter SERVICE MENU
Press the DISPLAY key and the PICTURE MODE key on the remote control unit simultaneously.
The SERVICE MENU screen will be displayed. (See Fig. 1 on the next page.)
(2) Selection of SUB MENU SCREEN
Press one of the keys 1 to 7 on the remote control unit,and select the SUB MENU SCREEN from the SERVICE MENU.(See Fig.1 on the next
page.)
SERVICE MENU ? SUB MENU1. IF
2. VC
3. DEF
4. VSM PRESET
5. PRESET
6. AUDIO
7. PLUG & PLAY (ON)
(3) Method of Setting
*Once the setting values are set,they are memorized automatically.
*It must not adjust without inputting a signal.
1) 1. IF
[1.VCO ]
(a) 1 Key......................... Select 1. IF.
(b) 1 Key......................... Select 1. VCO.
(c) DISPLAY Key ............ When this is pressed twice, you will return to the SERVICE MENU.
YUnder normal conditions, no adjustment is required.
[2.DELAY POINT ]
(a) 1 Key......................... Select 1. IF.
(b) 2 Key......................... Select 2.DELAY POINT.
(c) MENU */TKey........ Adjust the setting value.
(d) DISPLAY Key............ When this is pressed twice, you will return to the SERVICE MENU.
2) 2. VC, 3. DEF, 4. VSM PRESET, 5. PRESET and 6. AUDIO
(a) 2 ~6 Keys.................. Select one from 2. VC, 3. DEF, 4. VSM PRESET, 5. PRESET and 6. AUDIO.
(b) MENU &/^ key........ Select setting items.
(c) MENU */TKey........ Adjust the setting values of the setting items.
Use the number keys on the remote control unit for setting of WHITE BALANCE.
Y
For the setting, refer to each item concerned.
(d) DISPLAY Key............ When this is pressed, you will return to the SERVICE MENU.
3) 7. PLUG & PLAY (ON)
This is not used for service.
(4) Release of SERVICE MENU
After completing the setting, return to the SERVICE MENU by pressing the DISPLAY key, then again press the DISPLAY key to return to the
normal screen.
16No. 52018