JVC KD-AVX33E Service Manual page 37

4.9 Monitor adjustment
* When adjusting, switch on the main unit and insert a test disc (VT-501). And play the test disc and pause it.
(Exit for VCO FREE-RUN adjustment)
1. Set the service mode 4.
2. Exchanging it operate a menu of a service mode with the [UP] button and [DOWN] button.
3. Change data with the [B.SKIP]/[F.SKIP] buttons.
4. Write data with a [ENT] button.
* When performing the VCO FREE-RUN(NTSC) adjustment, set the NTSC mode (Service mode 3
DVD NTSC/PAL) and turn the input into the no input. Connect the frequency counter to the point (TP524-GND)
on the panel board and set the frequency into 15.734
* When performing the VCO FREE-RUN(PAL) adjustment, set the PAL mode (Service mode 3
DVD NTSC/PAL) and turn the input into the no input. Connect the frequency counter to the point (TP524-GND)
on the panel board and set the frequency into 15.625
R/W CHROMA 1
Indication
Contrast
Color (NTSC)
Color (PAL)
Color (SECAM)
Tint (NTSC)
Tint (PAL)
Tint (SECAM)
Sharpness
Brightness
ABL off
Sub Contrast
White Lim
Black Lim
Gamma 1
Gamma 2
Sub Brt R
Sub Brt B
Drive R (NTSC)
Drive R (PAL)
Drive R (SECAM)
RY Gain
RY Phase (NTSC)
RY Phase (PAL)
RY Phase (SECAM)
Drive G (NTSC)
Drive G (PAL)
Drive G (SECAM)
GY Gain
GY Phase (NTSC)
GY Phase (PAL)
GY Phase (SECAM)
Drive B (NTSC)
Drive B (PAL)
Drive B (SECAM)
Minimum Maximum
value value
00 7F 5E
00 7F 33
00 7F 32
00 7F 3F
00 7F 3C
00 7F 3F
00 7F 3F
00 3F 20
00 FF 89
00 01 01
00 0F 09
00 0F 0F
00 0F 00
00 FF 00
00 FF 00
00 0F 09
00 0F 09
00 3F 20
00 3F 20
00 3F 2F
00 01 00
00 01 00
00 01 00
00 01 00
00 3F 20
00 3F 20
00 3F 2F
00 01 00
00 01 00
00 01 00
00 01 00
00 3F 20
00 3F 20
00 3F 2F
0.01 (kHz).
0.01 (kHz).
Reference
register value
6A Adjust Contrast control
34 Adjust Color control
36 Adjust Color control
3F Fix Color control
3D Adjust Tint control
40 Adjust Tint control
3F Fix Tint control
20 Fix Sharpness control
9C Adjust Brightness control
01 Fix Auto brightness limiter off
09 Fix Controls the Y amplitude
0F Fix White clipping voltage for RGB signal
exceeding over white
00 Fix White clipping voltage for RGB signal
exceeding over white
00 Fix Correction peak point
00 Fix Boost gain correction peak point
09 Adjust Sub brightness control for R output signal
09 Adjust Sub brightness control for R output signal
20 Fix Gain control for RGB video signal
Fix
20 Gain control for RGB video signal
2F Fix Gain control for RGB video signal
00 Fix Relative amplitude of R-Y color
difference signal
00 Fix Relative phase of G-Y color
difference signal
00 Fix Relative phase of G-Y color
difference signal
00 Fix Relative phase of G-Y color
difference signal
20 Fix Gain control for RGB video signal
20 Fix Gain control for RGB video signal
2F Fix Gain control for RGB video signal
00 Fix Relative amplitude of R-Y color
difference signal
00 Fix Relative phase of G-Y color
difference signal
00 Fix Relative phase of G-Y color
difference signal
00 Fix Relative phase of G-Y color
difference signal
20 Fix Gain control for RGB video signal
20 Fix Gain control for RGB video signal
2F Fix Gain control for RGB video signal
Service mode
Service mode
Detail
(No.MA321)1-37