Agc Center Level And Apc & Aeq Adjustment - Sony Handycam DCR-PC115 Service Manual

DCR-PC115/PC115E/PC120BT/PC120E
3. Switching Position Adjustment (VC-270 board)
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Adjusting method:
Order Page Address Data
1
2 0 01
3 3 21
4 3 01 0D
5 3 02
6 3 03
7 0 01
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.
Note3: If the data is "EE", the adjustmnet is not done. So perform this
adjustment again.
When the EVEN channel is defective
Data of page: C,
address: 10
EE
E8
E7
When the ODD channel is defective
Data of page: C,
address: 12
EE
E8
E7
VTR playback
SW/OL reference tape (XH2-3)
Display data of page: 3, address: 03
Adjustment remote commander
C
10, 11, 12, 13
00
Procedure
Insert the SW/OL reference tape
and enter the VTR STOP mode.
01 Set the data.
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)
00 Set the data.
Contents of defect
Writing into EEPROM (IC4701) is
defective
Adjustment data is out of range
No data is returned from IC5302
Contents of defect
Writing into EEPROM (IC4701) is
defective
Adjustment data is out of range
No data is returned from IC5302
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4. AGC Center Level and APC & AEQ Adjustment
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4-1. Preparations before adjustments
Mode
Subject
Adjusting method:
Order Page Address Data
1 2
2
5-52
Camera recording
Arbitrary
Procedure
30 40 Set the data.
Record the camera signal for
three minutes.