GV-HD700 (serv.man4) - Sony VCR Service Manual (repair manual). Page 18

6-17

GV-HD700/HD700E_ADJ

If bit0 of the data is “1”, the EVEN channel is defective.
If bit1 of the data is “1”, the ODD channel is defective.
Contents of the defect is see written into page: C, ad-
dress: 10 and 12. See following table.
(For the bit values, refer to “6-4. SERVICE MODE”,
“4-4. 3. Bit value discrimination”.)
If bit3 of the data is “1”, the tape end being played, so
rewind the tape and perform the adjustment again.

When the EVEN channel is defective

Data of page: C,

Contents of defect

address: 10

EE

Writing into Flash memory (IC2601) is
defective

E8

Adjustment data is out of range

E7

No data is returned from IC3001

When the ODD channel is defective

Data of page: C,

Contents of defect

address: 12

EE

Writing into Flash memory (IC2601) is
defective

E8

Adjustment data is out of range

E7

No data is returned from IC3001

Mode

VTR playback (VCR mode)

Signal

SW/OL standard (XH2-3)

Measurement Point

Displayed data of page: 3, address:
03

Measuring Instrument

Adjusting remote commander

Adjustment Page

C

Adjustment Address

10, 11, 12, 13

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

Insert the SW/OL standard
tape and enter the VTR stop
mode.

2

0

01

01

3

C

10

EE

Press PAUSE (Write) button.

4

3

03

FF

5

3

21

Check the data is “02”. (Note 2)

6

3

01

0D

Press PAUSE (Write) button.

7

3

02

Check the data changes to “00”.

8

3

03

Check the data is “00”. (Note 3)

9

0

01

00

If the data is “72”, the tape top being played. After play-
ing the tape for 1 to 2 seconds, stop it, perform step 5 and
higher.
If the data is “62”, the tape end being played. After re-
wind the tape, perform step 5 and higher.