HDR-FX7, HDR-FX7E (serv.man4) - Sony Movie Service Manual (repair manual). Page 90

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HDR-FX7/FX7E_ADJ

Before perform the servo and RF system adjustments, check that
the specified values of “Origin Oscillation check” of “1-3. CAM-
ERA SYSTEM ADJUSTMENTS” is satisfied.
Check that the data of page: 0, address: 10 is “00”. If not, select
page: 0, address: 10, and set the data “00”.

Adjusting Procedure:
1. CAP FG duty adjustment
2. Switching position adjustment
3. Error rate check

Set the CAP FG signal duty cycle to 50% to establish an appropri-
ate capstan servo. If deviated, the uneven rotation of capstan and
noise can occur.

Mode

VTR stop (VCR mode)

Signal

No signal

Measurement Point

Displayed data of page: 3, address:
03

Measuring Instrument

Adjusting remote commander

Adjustment Page

C

Adjustment Address

16

Specified value

The data of page: 3, address: 03 is
“00”

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

Order Page Address Data

Procedure

1

Close the cassette compart-
ment without inserting
cassette.

2

0

01

01

3

3

03

FF

4

3

71

01

Press PAUSE (Write) button.

5

3

01

1B

Press PAUSE (Write) button.

6

3

02

Check the data changes in
the following order
“1B” 

t “2B” t “00”

7

3

03

Check the data is “00”. (Note 2)

8

3

70

10

Press PAUSE (Write) button.

9

3

70

Check the data changes to
“11”.

10

0

01

00

If the data is “01”, adjustment has errors or the mecha-
nism deck is defective.
If the data is “80”, the mechanism deck is in emergency
state or the end of tape was detected.