Switching Position Adjustment (Vc-288 Board); Agc Center Level And Apc & Aeq Adjustment - Sony DCR-TRV940 Adjustment Manual

DCR-TRV940/TRV940E/TRV950/TRV950E

3. Switching Position Adjustment (VC-288 board)

RadarW RadarW
RadarW RadarW RadarW
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified value
Note 1: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1
2 0 01
3 C 10
4 3 21
5 3 01
6 3 02
7 3 03
8 0 01
Note 2: If the data is "72", the tape top being played. After play-
ing the tape for 1 to 2 seconds, stop it, perform step 5
and higher.
If the data is "62", the tape end being played. After re-
wind the tape, perform step 5 and higher.
Note 3: If bit0 of the data is "1", the EVEN channel is defective.
If bit1 of the data is "1", the ODD channel is defective.
Contents of the defect is see written into page: C, ad-
dress: 10 and 12. See following table. (For the bit val-
ues, refer to "6-4. SERVICE MODE", "4-3. 3. Bit value
discrimination".)
If bit3 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
Writing into EEP ROM (IC2502) is
EE
defective
E8 Adjustment data is out of range
E7 No data is returned from IC2101
When the ODD channel is defective
Data of page: C,
Contents of defect
address: 12
Writing into EEP ROM (IC2502) is
EE
defective
E8 Adjustment data is out of range
E7 No data is returned from IC2101
VTR playback
SW/OL standard (XH2-3)
Displayed data of page: 3, address: 03
Adjusting remote commander
C
10, 11, 12, 13
The data of page: 3, address: 03 is "00"
Procedure
Insert the SW/OL standard
tape and enter the VTR stop
mode.
01
EE Press PAUSE button.
Check the data is "02". (Note 2)
0D Press PAUSE button.
Check the data changes to
"00".
Check the data is "00". (Note 3)
00
4. AGC Center Level and APC & AEQ Adjustment
Note: Check that the data of page: 0, address: 10 is "00".
4-1. Preparations before adjustments
Mode
Subject
Adjusting method:
Order Page Address Data
1 7 30
2
6-58
CAMERA recording
Arbitrary
Procedure
80
Record camera signal for 3
minutes, and rewind the tape.