DOWNLOAD Sony CCD-CR1 / CCD-CR1E (serv.man2) Service Manual ↓ Size: 14.39 MB | Pages: 112 in PDF or view online for FREE

5-22

Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.

Mode

Standby

Subject

Arbitrary

Measurement Point

Check on LCD display

Measuring Instrument

Adjustment Page

E

Adjustment Address

D7

Specified Value

The brightness difference between the
section 

A and section B is minimum.

Perform "Bright Adjustment" and “Contrast Adjustment” before this
adjustment.

Adjusting method:
1)

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

2)

Select page: 3, address: 01, set data: 51, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 2, address: 7D, and set data: 87.

4)

Select page: E, address: D7, change the data so that the
brightness of the section A and that of the section B is equal.

5)

Press the PAUSE button of the adjustment remote commander.

6)

Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.

7)

Select page: 2, address: 7D, and set data: 00.

8)

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

Fig. 5-1-18.

A

A

A

A

B

B

B

B

Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.

Mode

Standby

Subject

Arbitrary

Measurement Point

Pin 

!£ of CN152 (PANEL VR) of

VC-205 board
External trigger : Pin 

!¢ of CN205

(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

E

Adjustment Address

C2, D1

Specified Value

A=3.30 ± 0.05V

Adjusting method:
1)

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

2)

Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 2, address: 7D, and set data: 00.

4)

Select page: E, address: D1, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.

5)

Press the PAUSE button of the adjustment remote commander.

6)

Select page: E, address: C2, set the same data as page: E,
address: D1 and press the PAUSE button of the adjustment
remote commander.

7)

Perform “PANEL VB Adjustment”.

Fig. 5-1-19.

A

2H

Pedestal

Pedestal

5-23

Mode

Standby

Subject

Arbitrary

Measurement Point

Pin 

!∞ of CN152 (PANEL VB) of

VC-205 board
External trigger : Pin 

!¢ of CN205

(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

E

Adjustment Address

C8, D2

Specified Value

A=3.30 ± 0.05V

Adjusting method:
1)

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

2)

Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 2, address: 7D, and set data: 00.

4)

Select page: E, address: D2, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.

5)

Press the PAUSE button of the adjustment remote commander.

6)

Select page: E, address: C8, set the same data as page: E,
address: D2 and press the PAUSE button of the adjusting remote
commander.

7)

Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.

8)

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

Fig. 5-1-20.

Mode

Standby

Subject

Arbitrary

Measurement Point

Check on the LCD screen

Measuring Instrument

Adjustment Page

E

Adjustment Address

CF

Specified Value

0 IRE section and 10 IRE section can
be differentiated, and 90 IRE section
and 100 IRE section can be
differentiated

Adjusting method:
1)

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

2)

Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 2, address: 7D, and set data: 00.

4)

Check that the 0 IRE section and 10 IRE section can be
differentiated. If not, select page: E, address: CF, add 2 to the
data and press the PAUSE button.
(The data of address: CF should be “9F” to “BF”.)

5)

Check that the 90 IRE section and 100 IRE section can be
differentiated. If not, select page: E, address: CF, subtract 2
from the data and press the PAUSE button.
(The data of address: CF should be “9F” to “BF”.)

6)

Repeat step 4) to step 5).

7)

Select page: 3, address: 01, set data: 00, and press the PAUSE
button.

8)

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

Fig. 5-1-21.

A

2H

Pedestal

Pedestal

100 IRE

90 IRE

10 IRE

0 IRE

5-24

When performing adjustments, refer to the layout diagrams
for adjustment related parts beginning from page 5-36.

The following adjusting instruments are used for adjusting video
section.

1)

TV monitor

2)

Oscilloscope: 2 phenomena, band 30MHz or wider, with delay
mode. (Use a 10:1 probe unless specified otherwise.)

3)

Frequency counter

4)

Digital voltmeter

5)

Audio generator

6)

Audio level meter

7)

Audio distortion meter

8)

Audio attenuator

9)

Regulated power supply

10) Adjustment remote commander (J-6082-053-B)
11) CPC 11 jig (J-6082-425-A)

For connecting the adjustment remote commander and the
measuring instruments

12) Extension board (J-6082-426-A)

For extension between the video cartridge and VC-205 board
(CN101)

13) Power cord jig (J-6082-415-A) Note1

For connecting the regulated power supply and VC-205 board
(CN801)

Set the regulated power supply output voltage to 3Vdc. If set the
voltage to 4.2Vdc without connecting the adjustment remote
commander, the power is shut off so that the unit cannot operate.

5-25

1)

The video cartridge need not be installed except for the audio
system adjustment.

2)

When connect the regulated power supply to the battery
terminal of the unit, set the regulated power supply output
voltage to 3Vdc. If set the voltage to 4.2Vdc without connecting
the adjustment remote commander, the power is shut off so
that the unit cannot operate.

3)

Connect the Adjustment remote commander to VC-205 board
CN152 via CPC 11 jig (J-6082-425-A). (Refer to “2-1-3.
Adjusting Connectors”.)

4)

The LCD block (PD-99 board) need not be connected. To
remove, disconnect the following connectors.

VC-205 board CN401 (33P, 0.3mm)

5)

The lens block (CD-191 board) need not be connected. To
remove, disconnect the following connectors.

VC-205 board CN501 (30P, 0.5mm)

6)

By setting the “Forced Power ON mode”, the video section
can be operate even if the operation switch block (FK block)
has been removed. When removing the operation switch block
disconnect the following connector.

VC-205 board CN601 (15P 0.3mm)

Setting the “Forced Power ON” mode
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 10, set data: 03, and press the PAUSE

button of the adjustment remote commander.
The above procedure will enable the VTR power to be turned
on with the operation switch block removed (Don’t disconnect
the adjustment remote commander).
After completing adjustments, be sure to exit the “Forced Power
ON mode”.

Exiting the “Forced Power ON” mode
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 10, set data: 00, and press the PAUSE

button of the adjustment remote commander.

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

Some of the adjusting points of the video section are concentrated
at VC-205 board CN152. Connect the measuring instruments and
adjustment remote commander via the CPC 11 jig (J-6082-425-A).
To operate the adjustment remote commander, connect the DC input
lands of CPC 11 jig to the DC power supply (6.0 to 7.2Vdc).
The following table lists the pin numbers and signal names of
CN152.

Table 5-2-1.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

LANC OUT

PANEL Y

LANC IN

AFC F0

REC RF

PB RF

RF AGC IN

REG GND

RF AGC OUT

BPF MONI

RF SWP

PANEL H START

PANEL VR

PANEL COM

PANEL VB

PANEL VG

Fig 5-2-1.

CPC 11 jig
(J-6082-425-A) 

Remove the cover.

Conductor side