System Control System Adjustment; Battery End Adjustment (Vc-207 Board) - Sony DCR-TRV5 Service Manual

3-3. SYSTEM CONTROL SYSTEM ADJUSTMENT

1. Battery End Adjustment (VC-207 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 Camera recording
Subject Arbitrary
Measurement Point LCD display of the adjusting remote
Measuring Instrument commander
Adjustment Page D
Adjustment Address 28 to 2C, 37
Note: The lens block and cabinet (R) must be connected.
1) AUTO FOCUS ·································· OFF
2) LCD screen ········································ Closed
Connection:
1) Connect the regulated power supply to the battery terminal and
connect the digital voltmeter to CN801 of DD-110 board as
shown in Fig. 5-3-3.
Digital voltmeter
Regulated power supply
5.30 0.01V
Adjusting method:
1) Adjust the output voltage of the regulated power supply so
that the digital voltmeter display is 6.1 ± 0.1Vdc.
2) Turn off the power supply.
3) Set the HOLD switch of the adjustment remote commander to
ON (SERVICE position).
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 5.30 ± 0.01Vdc.
8) Select page: 2, address: 51, read the data, and this data is named
Dref.
9) Select page: D, address: 28, set data: Dref, and press the PAUSE
button of the adjustment remote commander.
10) Select page: D, address: 37, set data: Dref, and press the PAUSE
button
11) Convert Dref to decimal notation, and obtain Dref'. (Refer to
Table 5-4-1. "Hexadecimal-decimal conversion table" of "5-
4. Service mode")
12) Calculate D ', D
29
(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.
Address: 29 D
Address: 2A D
Address: 2B D
Address: 2C D
Note: After setting each data, be sure to press the PAUSE button.
13) Select page: 0, address: 01, and set data: 00.
1
DD-110 board
3
CN801
Fig. 5-3-3
5-38
', D ' and D ' using following equations
2A 2B 2C
' = Dref'+11
29
' = Dref'+36
2A
' = Dref'+58
2B
' = Dref'+66
2C
J-6082-223-A