Service Mode; Adjustment Remote Commander; Using The Adjustment Remote Commander; Precautions Upon Using The Adjustment - Sony CCD-TRV128 Service Manual
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Also See for CCD-TRV128:
- Guia de operacion (208 pages) ,
- Service manual (179 pages) ,
- Specifications (2 pages)
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CCD-TRV128/TRV228/TRV228E/TRV328/TRV428/TRV428E
6-4. SERVICE MODE
4-1.
ADJUSTMENT REMOTE COMMANDER
The adjustment remote commander is used for changing the cal-
culation coefficient in signal processing, EVR data, etc. The ad-
justment remote commander performs bi-directional
communication with the unit using the remote commander signal
line (LANC). The resultant data of this bi-directional communica-
tion is written in the non-volatile memory.
1. Using the Adjustment Remote Commander
1) Connect the adjustment remote commander to CN007 of VC-
341 board via I/F unit for LANC control (J-6082-521-A) and
CPC jig connector (J-6082-539-A).
2) Set the HOLD switch of the adjustment remote commander to
"HOLD" (SERVICE position). If it has been properly con-
nected, the LCD on the adjustment remote commander will
display as shown in Fig. 6-4-1.
Page
3) Operate the adjustment remote commander as follows.
• Changing the page
The page increases when the EDIT SEARCH+ button is
pressed, and decreases when the EDIT SEARCH– button is
pressed. There are altogether 16 pages, from 0 to F.
Hexadecimal
0 1 2 3 4 5 6 7 8 9 A B C D E F
notation
LCD Display
0 1 2 3 4 5 6 7 8 9 A b c d E F
Decimal notation
0 1 2 3 4 5 6 7 8 9 101112 1314 15
conversion value
• Changing the address
The address increases when the FF (M) button is pressed,
and decreases when the REW (m) button is pressed. There
are altogether 256 addresses, from 00 to FF.
• Changing the data (Data setting)
The data increases when the PLAY (N) button is pressed,
and decreases when the STOP (x) button is pressed. There
are altogether 256 data, from 00 to FF.
• Writing the adjustment data
The PAUSE button must be pressed to write the adjustment
data in the nonvolatile memory. (The new adjusting data will
not be recorded in the nonvolatile memory if this step is not
performed)
4) After completing all adjustments, turn off the main power sup-
ply (8.4 V) once.
Address
Data
Fig. 6-4-1
2. Precautions Upon Using
the Adjustment Remote Commander
Mishandling of the adjustment remote commander may erase the
correct adjustment data at times. To prevent this, it is recommended
that all adjustment data be noted down before beginning adjust-
ments and new adjustment data after each adjustment.
6-38
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- Self-Diagnosis Function
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