Switching Position Adjustment - Sony CCD-TRV32 Service Manual

2. Switching position adjustment

Purpose : Removes vertical mechanical error of head
assembling.
Adjustment error : Skew picture.
Mode Playback
Signal Alignment tape : For adjustment
CH1 : 8 of CN102 (RF SWP)
Measurement Point
CH2 : 1 of CN102 (PB RF)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 22, 23
* (24, 25)
t1= 0 ± 10µsec
Specification Value
Adjustment procedure:
Order Page Address
1 6 00
2 F 23
3 F 23
4
5 F 22
6
7
*8 F 01
*9 F 01
*10 F 25
*11 F 25
*12
*13 F 24
*14
*15
*16 F 01
17 6 00
CH1
CH2
CH1
t1
CH2
tracking
WR5-1CP (PAL)
WR5-1NP (NTSC)
Data
01 After setting the data, press the PAUSE button. (Preparation)
80 Initial setting.
Change the data with the PLAY and STOP buttons, and minimize t1.
Press the PAUSE button.
Change the data with the PLAY and STOP buttons, and minimize t1.
Press the PAUSE button.
Check that t1 satisfies the specified value. If not, repeat steps 3 to 6 in order.
Raed the data of page : F, address : 01, and record it.
10 After setting the data, Press the PAUSE button. (Forced LP head selection)
80 Initial setting.
Change the data with the PLAY and STOP buttons, and minimize t1.
Press the PAUSE button.
Change the data with the PLAY and STOP buttons, and minimize t1.
Press the PAUSE button.
Check that t1 satisfies the specified value. If not, repeat steps 10 to 13 in order.
Set the data which is recorded in step 8 to this address and press the PAUSE button.
00 After setting the data, press the PAUSE button. (End)
Enlargement
* : NTSC MODEL only
Procedure
6-62