Clk Delay Adjustment (Vc-206 Board); Agc Center Level Adjustment (Vc-206 Board) - Sony DCR-TRV9 Service Manual

3. CLK DELAY Adjustment (VC-206 Board)

Mode Camera recording /playback
(LP mode)
Subject Arbitrary
Signal Playback signal of recorded tape
Measurement Point CH1: CL9912 (Pin
CH2: Pin 6 of CN9903 (JSWP)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 47
Adjusting method:
1) Record for two minutes on any tape.
2) Select page: 0, address: 01, and set data: 01.
3) Write the following data in page: C, addresses: 40 to 44, 47,
4B, 5A.
(To write the data, press the PAUSE button of the adjusting
remote commander each time data is set.)
Page: C, address: 40, data: C0
Page: C, address: 41, data: C0
Page: C, address: 42, data: 90
Page: C, address: 43, data: 90
Page: C, address: 44, data: 90
Page: C, address: 47, data: C0
Page: C, address: 4B, data: 80
Page: C, address: 5A, data: 00
4) Playback the recorded portion.
5) Increase the data of page: C, address: 47 from "C0", and read
the data D when the CH1 pulse is set to the whole audio and
1
video areas.
6) Decrease the data of page: C, address: 47 from "C0", and read
the data D when the CH1 pulse is set to the whole audio and
2
video areas.
7) Obtain the average value of D
8) Select page: C, address: 47, set data: D
button of the Adjustment remote commander.
9) Select page: C, address: 4B, set data: 00, and press the PAUSE
button.
10) Select page: C, address: 5A, set data: 8C, and press the PAUSE
button.
11) Select page: 0, address: 01, and set data: 00.
12) After completing the adjusting, perform "5. AEQ Adjustment".
When the CH1 pulse is not set.
CH1
CH2
When the CH1 pulse is set.
CH1
CH2
Fig. 5-3-6
of IC1701)
203
(C1ERP)
Trigger source: CH2
and D , and take it as D
1 2
, and press the PAUSE
3
EVEN ch
EVEN ch
3.33msec

4. AGC Center Level Adjustment (VC-206 Board)

Mode
Subject
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Adjusting method:
1) Record for two minutes on any tape.
2) Select page: 0, address: 01, and set data: 01.
3) Write the following data in page: C, addresses: 40 to 44, 4B,
5A.
(To write the data, press the PAUSE button of the adjusting
remote commander each time data is set.)
Page: C, address: 40, data: C0
Page: C, address: 41, data: C0
Page: C, address: 42, data: 90
Page: C, address: 43, data: 90
Page: C, address: 44, data: 90
Page: C, address: 4B, data: 80
Page: C, address: 5A, data: 00
4) Playback the recorded portion.
5) Increase the data of page: C, address: 44 from "90", and read
the data D when the CH1 pulse is set to the whole audio and
1
video areas.
6) Decrease the data of page: C, address: 44 from "90", and read
the data D when the CH1 pulse is set to the whole audio and
2
video areas.
7) Obtain the average value of D
. 8) Select page: C, address: 44, set data: D
3
button of the Adjustment remote commander.
9) Select page: C, address: 4B, set data: 00, and press the PAUSE
button.
10) Select page: C, address: 5A, set data: 8C, and press the PAUSE
button.
11) Select page: 0, address: 01, and set data: 00.
12) After completing the adjusting, perform "5. AEQ Adjustment".
When the CH1 pulse is not set.
CH1
CH2
When the CH1 pulse is set.
CH1
CH2
5-44
Camera recording /playback
(LP mode)
Arbitrary
Playback signal of recorded tape
CH1: CL9912 (Pin of IC1701)
203
(C1ERP)
CH2: Pin 6 of CN9903 (JSWP)
Oscilloscope
Trigger source: CH2
C
44
and D , and take it as D
1 2
, and press the PAUSE
3
EVEN ch
EVEN ch
3.33msec
Fig. 5-3-7
.
3