Toshiba D-VR3SU, Service Manual

Page: 89 / 217

6-1
6. Alignment and Adjustments
6-1 VCR Adjustment
1) X-Point (Tracking center) adjustment, “Head switching adjustment” and “NVRAM option setting” can be adjusted with remote control.
2) When replacing the Main PCB Micom (IC601) and NVRAM (IC603 ; EEPROM) be sure to adjust the “Head switching adjustment” and
“NVRAM option setting”.
3) When replacing the cylinder ass’y, be sure to adjust the “X-Point” and “Head switching adjustment”.
4) How to adjust.
- Intermittently short-circuit the Test Point on Main PCB with pincers to the adjustment mode.
- If the corresponding adjustment button is pressed, the adjustment is performed automatically.
- When the adjustment is completed, be sure to turn the power off.
6-1-1(a) Location of adjustment button of remote control
Fig. 6-1
X-Point (Tracking Center) Adjustment ;
Head Switching Adjustment ;
NVRAM Option Setting ;
6-1-1 Reference