DCR-HC51E, DCR-HC52, DCR-HC52E, DCR-HC53E, DCR-HC54, DCR-HC54E (serv.man4) - Sony Movie Service Manual (repair manual). Page 40

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DCR-HC51E/HC52/HC52E/HC53E/HC54/HC54E_ADJ

Before perform the servo and RF system adjustments, check that
the specified values of “36MHz Origin Oscillation Adjustment”
of “1-3. CAMERA 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. SD Error rate check (LP)

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 in the LP mode.

Mode

VTR stop (PLAY/EDIT 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”

Note 1: 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

C

16

20

Press PAUSE (Write) button.

4

3

03

FF

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

0

01

00

Note 2: If the data is “01” or “11”, adjustment has errors or the

mechanism deck is defective.
Also, if the data is “80”, the mechanism deck is in emer-
gency state or the tape reached its end.