Adjustment - JVC AV-29FH1BUG Service Manual

4.1 ADJUSTMENT PREPARATION
(1) There are 2 ways of adjusting this TV : One is with the REMOTE CONTROL UNIT and the other is the conventional method
using adjustment parts and components.
(2) Make sure that connection is correctly made AC to AC power source.
(3) Turn on the power of the TV and measuring instruments for warning up for at least 30 minutes before starting adjustments.
(4) If the receive or input signal is not specified, use the most appropriate signal for adjustment.
(5) Never touch the parts (such as variable resistors, transformers and condensers) not shown in the adjustment items of this service

adjustment.

4.2 MEASURING INSTRUMENT AND FIXTURES
(1) DC voltmeter (or digital voltmeter)
(2) Signal generator (Pattern generator : PAL / SECAM / NTSC)
(3) Remote control unit.
4.3 BASIC OPERATION OF SERVICE MENU
4.3.1 TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
4.3.2 SERVICE ADJUSTMENT ITEMS
There are 23 adjustment items.
No. Adjustment item
1 HOR CEN
2 RED GAIN
3 GRN GAIN
4 BLUE GAIN
5 RED BIAS
6 GRN BIAS
7 AGC LEVEL
8 G2-SCREEN
9 AFT
10 OPTION1
11 OPTION2
12 AVL
4.3.3 HOW TO ENTER SERVICE MENU
(1) Press [ i ](Information) key and [
then enter SERVICE MENU.
(2) Adjust sharpness to minimum and exit all menus.
(3) Within 2 seconds press the key sequence [RED]-[GREEN]-
[MENU]key.
4.3.4 SELECTION OF MENU SCREEN
(1) Press [ ] / [ ] keys of the REMOTE CONTROL UNIT and
select adjustment item.
4.3.5 SETTING VALUE OF ADJUSTMENT ITEMS
(1) Press [ ] / [ ] keys of the REMOTE CONTROL UNIT and
setting value of adjustment items.
4.3.6 HOW TO EXIT SERVICE MENU
(1) Press [MENU] key, then exit SERVICE MENU.
1-8 (No.YA008)
SECTION 4
ADJUSTMENT
No. Adjustment item
13 PARABOLA
14 HOR WIDTH
15 CORNER T
16 CORNER B
17 HOR PARAL
18 V. LINEAR
19 EW TRAPEZ
20 S CORRECT
21 VERT CENT
22 VERT SIZE
23 SHIPPING
](Muting) key same time