Bit Value Discrimination; Switch Check (1); Switch Check (2) - Sony DCR-TRV16 Service Manual

DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E

3. 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

4. Switch check (1)

Page 7
Note: The data of page: 0, address: 10 must be "00".
Bit
0 POWER SW (VTR MODE SW) (PS-CX2670 block S001)
1 POWER SW (CAM MODE SW) (PS-CX2670 block S001)
2 START/STOP SW (PS-CX2670 block S002)
3 EJECT SW (FP-443 flexible S201)
4 CC DOWN SW (Mechanism chassis)
5 PHOTO FREEZE SW (PS-CX2670 block S071)
6 POWER SW (PHOTO STBY SW) (PS-CX2670 block S001)
7
Using method:
1) Select page: 7, address: 0E.
2) By discriminating the bit value of display data, the state of the switch can be discriminated.

5. Switch check (2)

Page 7
Note: The data of page: 0, address: 10 must be "00".
Bit
1 MIC jack (MA-409 board J5901)
2 AUDIO/VIDEO jack (JK-217 board J5302)
3 S VIDEO jack (JK-217 board J5302)
Using method:
1) Select page: 7, address: 0C.
2) By discriminating the bit value of display data, the state of the switch can be discriminated.
Address
bit3 to bit0 discrimination
bit7 to bit4 discrimination
Address 0E
Function
Address 0C
Function
Display on the
adjustment bit3
remote or
commander bit7
0
1
2
3
4
5
6
7
8
A
9
A
A ( )
b
B ( )
c
C ( )
d
D ( )
E
E ( )
B
F
F ( )
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.
When bit value=1 When bit value=0
ON (VCR/PLAYER) OFF
ON (CAMERA) OFF
ON OFF
ON OFF
ON (DOWN) OFF (UP)
ON OFF
ON (MEMORY) OFF
When bit value=1 When bit value=0
Used Not used
Used Not used
Used Not used
5-56
Bit values
bit2 bit1
or or
bit6 bit5
0 0 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 0
1 0 1
1 0 1
1 1 0
1 1 0
1 1 1
1 1 1
bit0
or
bit4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1