CCD-TRV128 (serv.man2) - Sony Movie Service Manual (repair manual). Page 36

6-34

Adjust the Y FM signal recording current.

Mode

VTR recording (PLAY/EDIT mode)

Signal

No signal

Measurement Point

REC RF (Pin 7 of CN007)

Measuring Instrument

Oscilloscope
(20 MHz BW LIMIT: OFF)

Adjustment Page

C

Adjustment Address

1E, 1F

Specified value

A = 235 

± 5 mVp-p (NTSC)

A = 280 

± 5 mVp-p (PAL)

Check that the data of page: 0, address: 10 is “00”.

Don’t disconnect the DC power supply of camcoder dur-
ing the following adjustments.
When the following symptom occurs, reset the data of A
page to the values note down.
1) The power is shut off so that unit can not operate.

A

0.18 

µ

sec

Order Page Address Data

Procedure

1

Close the cassette compartment
without inserting cassette.

2

Set to the VTR stop mode.

3

0

01

01

4

C

14

01

Press PAUSE button.

5

A

10

10

Press PAUSE button.

6

7

10

02

Press PAUSE button.

7

A

1A

Note down the data.

8

A

1A

Set the following data, and
press PAUSE button.
06: NTSC model
26: PAL model

9

Set to the VTR recording
mode. (Note 3)

10

3

92

10

11

3

01

41

Press PAUSE button.

12

C

1F

Change the data and set the
REC Y signal level (A) to the
specified value.

13

C

1F

Press PAUSE button.

14

C

1F

Read the data, and this data is
named D

1F

.

15

C

1E

D

1F

Press PAUSE button.

16

3

01

00

Press PAUSE button.

17

3

92

00

18

Set to the VTR stop mode.

19

A

1A

Set data noted down at step 7,
and press PAUSE button.

20

7

10

E2

Press PAUSE button.

21

A

10

00

Press PAUSE button.

22

C

14

00

Press PAUSE button.

23

0

01

00

Use the REC buttons of the adjustment remote com-
mander (with HOLD switch set in the OFF position).