Switching Position Adjustment (Vc-260 Board); Agc Center Level And Apc & Aeq Adjustment - Sony DCR-TRV15E Service Manual

3. Switching Position Adjustment (VC-260 board)

Mode VTR playback
Signal SW/OL reference tape (XH2-3)
Measurement Point Display data of page: 3, address: 03
Measuring Instrument Adjustment remote commander
Adjustment Page C
Adjustment Address 10, 11, 12, 13
Specified Value 00
Adjusting method:
Order Page Address Data
1
2 0 01 01
3 C 10 EE
4 3 21
5 3 01 0D
6 3 02
7 3 03
8 0 01 00
Note1: If the data of page: 3, address: 21 is "72", the tape top being played.
After playing the tape for 1 to 2 seconds, stop it, perform step 4
and higher.
Note2: If bit 0 of the data is "1", the EVEN channel is defective. If bit 1 is
"1", the ODD channel is defective. Contents of the defect is written
into page: C, addresses: 10 and 12. See the following table. (For
the bit values, refer to "5-4. SERVICE MODE", "4-3. 3. Bit value
discrimination". ) If bit 3 of the data is "1", the tape end being
played, so rewind the tape and perform the adjustment again.
When the EVEN channel is defective
Data of page: C, Contents of defect
address: 10
EE Writing into EEPROM (IC4701) is
defective
E8 Adjustment data is out of range
E7 No data is returned from IC5302
(CAIN)
When the ODD channel is defective
Data of page: C, Contents of defect
address: 12
EE Writing into EEPROM (IC4701) is
defective
E8 Adjustment data is out of range
E7 No data is returned from IC5302
(CAIN)
RadarW RadarW RadarW
Procedure
Insert the SW/OL reference tape
and enter the VTR STOP mode.
Set the data.
Set the data, and press PAUSE
button.
Check that the data is "02".
(Note1)
Set the data, and press PAUSE
button.
Check that the data changes to "00".
Check that the data is "00".
(Note2)
Set the data.
4. AGC Center Level and APC & AEQ Adjustment
RadarW RadarW RadarW RadarW RadarW
4-1. Preparations before adjustments
Mode
Subject
Adjusting method:
Order Page Address Data
1 2 30
2
5-42
Camera recording
Arbitrary
Procedure
40 Set the data.
Record the camera signal for
three minutes.