Panasonic PVDM2092 - MONITOR/DVD COMBO, Service Manual

Page: 64 / 309

2. Enter EVR adjustment mode.
3. Press DISPLAY key on the remote control for collapse scan.
Note:
Before pressing DISPLAY key on the remote control for collapse
scan, select the desired control function and move the shaded area
to the value for adjustments you will proceed.
Fig. E6-8
7.3.7.4.1. How to release from Service Mode:
Press DISPLAY key again on the remote control.
7.3.8. PG SHIFTER ADJUSTMENT
Purpose:
Determine the Video Head Switching Point during Playback.
Symptom of Misadjustment:
May cause Head Switching Noise and/or Vertical Jitter.
Test Point :
TP3001 (Main C.B.A.),
TP6205 (Main C.B.A.)
Adjustment :
PG SHIFTER (EVR)
Specification :
6 H±1 H (0.38 ms±0.06 ms)
INPUT :
----------
Mode :
SP Playback
Equipment :
Oscilloscope,
VHS Alignment Tape (VFMS0003H6)
1. Insert the VHS Alignment Tape and playback in SP mode.
2. Connect the channel-1 scope probe to TP3001 and the channel-2
64