DCR-PC2E, DCR-PC3, DCR-PC3E - Sony Movie Service Manual (repair manual). Page 123

5-41

Before perform the servo and RF system adjustments, check that
the specified value of “36 MHz Origin Oscillation Adjustment” of
“CAMERA SYSTEM ADJUSTMENT” is satisfied.

Adjusting Procedure:
1.

CAP FG duty adjustment

2.

T-reel FG duty adjustment

3.

PLL f

0

 & LPF f

0

 adjustment

4.

Switching position adjustment

5.

AGC center level adjustment

6.

APC & AEQ adjustment

7.

PLL f

0

 & LPF f

0

 final adjustment

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

Measurement Point

Display data of page: 3, address: 03

Measuring Instrument

Adjustment remote commander

Adjustment Page

C

Adjustment Address

16

Specified Value

00

Adjusting method:
1)

Close the cassette compartment without inserting a cassette.

2)

Select page: 0, address: 01, and set data: 01.

3)

Select page: 3, address: 01, set data: 1B, and press the PAUSE
button of the adjustment remote commander.

4)

Select page: 3, address: 02, and check that the data changes
starting from “1B” to “2B” to “00” in this order.

5)

Select page: 3, address: 03, and check that the data is “00”.

If the data of page: 3, address: 03 is “01”, adjustment has errors
or the mechanism deck is defective.

6)

Select page: 0, address: 01, and set data: 00.

Adjust the take-up reel FG signal duty cycle to an appropriate value
so that the correct T-reel FG signal is obtained.

Measurement Point

Display data of page: 3, address: 03

Measuring Instrument

Adjustment remote commander

Adjustment Page

C

Adjustment Address

17

Specified Value

00

Adjusting method:
1)

Close the cassette compartment without inserting a cassette.

2)

Select page: 0, address: 01, and set data: 01.

3)

Select page: 3, address: 01, set data: 1C, and press the PAUSE
button of the adjustment remote commander.

4)

Select page: 3, address: 02, and check that the data changes
starting from “1C” to “2C” to “00” in this order.

5)

Select page: 3, address: 03, and check that the data is “00”.

If the data of page: 3, address: 03 is “02”, adjustment has errors
or the mechanism deck is defective.

6)

Select page: 0, address: 01, and set data: 00.

Mode

VTR stop

Measurement Point

Display data of page: 3, address: 03

Measuring Instrument

Adjustment remote commander

Adjustment Page

C

Adjustment Address

1F, 20, 22, 47

Specified Value

00

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 3, address: 01, set data: 30, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 3, address: 02, and check that the data changes to
“00”.

4)

Select page: 3, address: 03, and check that the data is “00”.

If the data of page: 3, address: 03 is other than “00”, there are
errors. (For the error contents, see the following table. For the
bit values, refer to “5-4. SERVICE MODE”, “4-3. 3. Bit value
discrimination”. )

5)

Select page: 0, address: 01, and set data: 00.

Bit value of page: 3,

Error contents

address: 03

bit 4 = 1

PLL f

0

, even channel is defective

bit 5 = 1

PLL f

0

, odd channel is defective

bit 6 = 1

LPF f

0

 is defective

bit 3 = 1

PLL f

0

 final adjustment is defective