System Control System Adjustment; Initialization Of B, C, D, E, F Page Data; Touch Panel Adjustment (Vc-220 Board); Battery End Adjustment (Vc-220 Board) - Sony DCR-PC2E Service Manual

3-2.

SYSTEM CONTROL SYSTEM ADJUSTMENT

1. Initialization of B, C, D, E, F Page Data

If the B, C, D, E, F page data is erased due to some reason, perform
"1-2. INITIALIZATION OF B, C, D, E, F PAGE DATA", of "5-1.
CAMERA SECTION ADJUSTMENT"

2. Touch Panel Adjustment (VC-220 board)

Adjust the calibration of the touch panel.
Mode VTR stop
Signal Arbitrary
Adjustment Page D
Adjustment Address 98 to 9B
Note 1: Protect the Touch panel (LCD screen) with a transparent sheet.
Note 2: Turn off the HOLD switch of the adjustment remote commander.
Adjusting method:
1) While pressing the DISPLAY button, set the POWER switch
from OFF to VTR (or PLAYER).
2) Using a ball-point pen etc., push the center of " " indicated in
the part A.
3) Using a ball-point pen etc., push the center of " " indicated in
the part B.
4) Using a ball-point pen etc., push the center of " " indicated in
the part C.
A
Fig. 5-3-4.
C
B

3. Battery End Adjustment (VC-220 board)

Set the battery end voltage.
If the voltage is incorrect, the life of the battery will shorten.
The image at the battery end will also be rough.
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Switch setting
1) AUTO FOCUS ................................................................. OFF
2) LCD screen ....................................................... OFF (Closed)
3) Viewfinder ............................... ON (Viewfinder is pulled out)
4) NIGHT SHOT .................................................................. OFF
Connection:
1) Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-3-5.
Adjusting method:
1) Adjust the output voltage of the regulated power supply so that
the digital voltmeter display is 3.5 ± 0.1Vdc.
2) Turn off the power supply.
3) Turn on the HOLD switch of the adjustment remote commander.
4) Turn on the power supply.
5) Load a cassette, and set to the camera recording mode.
6) Select page: 0, address: 01, and set data: 01.
7) Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 3.20 ± 0.01Vdc.
8) Select page: 2, address: 5D, read the data, and this data is named
Dref.
9) Select page: D, address: 30, set data: Dref, and press the PAUSE
button of the adjustment remote commander.
10) Convert Dref to decimal notation, and obtain Dref'. (Refer to
Table 5-4-1. "Hexadecimal-decimal conversion table" of "5-4.
Service Mode".)
11) Calculate D ', D
31 32
(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.
Address: 31
Address: 32
Address: 33
Address: 34
Note : After setting each data, be sure to press the PAUSE button.
12) Select page: 0, address: 01, and set data: 00.
Regulated power supply
3.20 0.01 Vdc
Digital voltmeter
5-40
Camera recording
Arbitrary
Display data of page: 2, address: 5D
Adjustment remote commander
D
30 to 34
', D ' and D ' using following equations
33 34
D ' = Dref' + 7
31
D ' = Dref' + 25
32
D ' = Dref' + 29
33
D ' = Dref' + 37
34
Battery terminal
Fig. 5-3-5.