Read Sony DCR-HC21 (serv.man2) Service Manual online
6-78
DCR-HC21
9.
Switch Check (MS model)
9-1.
Switch Check (1)
Page 2
Address 81
Note:
Check that the data of page: 0, address: 10 is “00”.
Using method:
1) Select page: 2, address: 81.
2) By discriminating the bit value of display data, the state of switch can be discriminated.
1) Select page: 2, address: 81.
2) By discriminating the bit value of display data, the state of switch can be discriminated.
9-2.
Switch Check (2)
Page 7
Address 0F
Note:
Check that the data of page: 0, address: 10 is “00”.
Using method:
1) Select page: 7, address: 0F.
2) By discriminating the bit value of display data, the state of switch can be discriminated.
1) Select page: 7, address: 0F.
2) By discriminating the bit value of display data, the state of switch can be discriminated.
9-3.
Switch Check (3)
Page 7
Address F4
Note:
Check that the data of page: 0, address: 10 is “00”.
Using method:
1) Select page: 7, address: F4.
2) By discriminating the bit value of display data, the state of switch can be discriminated.
1) Select page: 7, address: F4.
2) By discriminating the bit value of display data, the state of switch can be discriminated.
Bit
Function
When bit value = 1
When bit value = 0
0
POWER (SS10300 block)
ON
OFF
1
MODE CHANGE (SS10300 block)
ON
OFF
3
EJECT (SS10300 block S001)
ON
OFF
4
CC DOWN (Mechanism chassis)
ON (DOWN)
OFF (UP)
5
DISP/BATT INFO (FP-187 flexible S001)
ON
OFF
Bit
Function
When bit value = 1
When bit value = 0
0
Lens cover (SI-042 board S601)
Close
Open
Bit
Function
When bit value = 1
When bit value = 0
4
REC PROOF SW (Mechanism chassis)
SAVE
REC
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