Service Mode; Setting The Test Mode; Bit Value Discrimination; Switch Check (1) - Sony MVC-FD91 Service Manual
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Also See for MVC-FD91:
- Operating instructions manual (100 pages) ,
- Operating instructions manual (99 pages) ,
- Service manual (21 pages)
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2-3.
SERVICE MODE
1. Setting the Test Mode
Page F
Address 10
Data
00
Normal
01
Forced camera power ON
02
Forced Player power ON
• Before setting the data , select page: 0, address: 01, and set data:
01.
• For page F, the data set is recorded in the non-volatile memory
by pressing the PAUSE button of the adjustment remote
commander. In this case, take note that the test mode will not be
exited even when the main power is turned off.
• After completing adjustments/repairs, be sure to return the data
of this address to 00, and press the PAUSE button of the adjustment
remote commander.
Select page: 0, address: 01, and set data: 00.
2. Bit value discrimination
Bit values must be discriminated using the display data of the
adjustment remote commander for following items. Use the table
below to discriminate if the bit value is "1" or "0".
Display on the adjustment remote commander
Page
Display on the
bit3
adjustment
remote
or
commander
bit7
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
A
8
1
9
1
A (
A
)
1
b
B (
)
1
C (
c
)
1
d
D (
)
1
B
E
E (
)
1
F (
F
)
1
Example: If "8E" is displayed on the adjustment remote commander, the
bit values for bit7 to bit4 are shown in the A column, and the
bit values for bit3 to bit0 are shown in the B column.
Function
Address
bit3 to bit0 discrimination
bit7 to bit4 discrimination
Bit values
bit2
bit1
bit0
or
or
or
bit6
bit5
bit4
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
3. Switch check (1)
Page 3
Bit
Function
0
POWER SW
(PK-45 board S702)
1
XCAM/PB SW
(PK-45 board S708)
2
SHUTTER SW
(RL-52 board S101)
SHUTTR AE LOCK
3
SW
(RL-52 board S101)
4
DISK IN SW
(FDD UNIT)
5
6
7
MOVIE/XSTILL SW
(PK-45 board S709)
Using method:
1)
Select page:3, address: 23.
2)
By discriminating the bit value of display data, the state of the
switches can be discriminated.
5-33
Address 23
When bit value=1
When bit value=0
OFF
ON
ON
OFF
OFF
ON
OFF
ON
DISK IN
NO DISK
ON
OFF
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