Read Sony DSC-P52 (serv.man4) Service Manual online
6-40
DSC-P52
3. Switch check (1)
Page 20
Address 80
Function
POWER switch (XPWER ON)
(Control switch block (RL-060) S002)
Shutter button (XSHTR ON SW)
(Control switch block (RL-060) S003)
Shutter button (XAE LOCK SW)
(Control switch block (RL-060) S003)
When bit value=1
OFF
OFF
OFF
When bit value=0
ON
ON
ON
Using method:
1)
1)
Select page: 20, address: 80.
2)
Read the data. By discriminating the bit value of the data, the state of the switches can be discriminated.
Bit
0
1
2
3
4
4. Switch check (2)
Page 20
Address 90 to 92, 94
Using method:
1)
1)
Select page: 20, address: 90 to 92, 94.
2)
Read the data. By discriminating the data, the pressed key can be discriminated.
Address
90
(MODE DIAL1)
(IC401 tf)
91
(KEY AD0)
(IC401 tg)
92
(KEY AD1)
(IC401 th)
94
(KEY AD2)
(IC401 tk)
00 to 0C
Mode dial
SET UP
(SW-392 block)
Control button
DOWN (S104)
(SW-392 block)
Control button
RIGHT (S105)
(SW-392 block)
ZOOM WIDE
(S102)
(SW-392 block)
0D to 27
Mode dial
MOVIE
(SW-392 block)
Control button
UP (S100)
(SW-392 block)
Control button
LEFT (S101)
(SW-392 block)
ZOOM WIDE
(S106)
(SW-392 block)
28 to 48
Mode dial
STILL
(SW-392 block)
MENU
(S107)
(SW-392 block)
Control button
SET (S103)
(SW-392 block)
49 to 73
Mode dial
PLAY
(SW-392 block)
IMAGE SIZE/
DELETE (S110)
(SW-392 block)
LCD STATUS/
LCD ON-OFF (S108)
(SW-392 block)
DD to FF
No key input
No key input
No key input
No key input
Data
5. LED check
Page 20
Address 04
Using method:
1)
1)
Select page: 20, address: 04, set data: 02.
2)
Check that all LED (TALLY/ACCESS LED, AE LOCK/FLASH LED, STROB/CHARGE LED, MS LED) are lit.
3)
Select page: 20, address: 04, set data: 00.
6. Lens Shutter check
Page 60
Address 5B, 5C
Using method:
1)
1)
Select page: 60, address: 5B, and write data: 01.
2)
Check that the lens shutter is closed. Select page: 60, address: 5C, and check the data is “01”.
3)
Select page: 60, address: 5B, and write data: 02.
4)
Check that the lens shutter is open. Select page: 60, address: 5C, and check the data is “02”.
5)
Select page: 60, address: 5B, and write data: 00.
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