Service Mode; Setting The Test Mode; Bit Value Discrimination; Switch Check (1) - Sony Cyber-shot DSC-P71 Service Manual

DSC-P71/P71M
2-3.

SERVICE MODE

1. Setting the Test Mode

Page D
Data
00 Normal
02 Forced MOVIE mode power ON
03 Forced PLAY mode power ON
04 Forced CAMERA mode power ON
• Before setting the data, select page: 0, address: 01, and set data:
01.
• For page D, the data set is recorded in the non-volatile memory
by pressing the PAUSE button of the adjusting remote com-
mander. 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 ad-
justing 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 ad-
justing remote commander for following items. Use the table be-
low to discriminate if the bit value is "1" or "0".
Display on the adjustilng remote commander
0 : 00 : 00
Page
Display on the
Adjusting bit3
remote
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 adjusting remote com-
mander, 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.
Address 21
Function
Address
bit3 to bit0 discrimination
bit7 to bit4 discrimination
Bit values
bit2 bit1
or 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

3. Switch Check (1)

Page 2
Bit Function
POWER SW
0
(CONTROL
SWITCH BLOCK)
1
2
SHUTTR SW
(CONTROL SWITCH
3
BLOCK)
XSHUTTER LOCK SW
(CONTROL SWITCH
4
BLOCK)
MEMORY STICK
5
IN SW (MS Socket)
Using method:
1) Select page: 2, address: 80.
2) By discriminating the bit value of dispaly data, the state of the
switches can be discriminated.
bit0
or
bit4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
5-42
Address 80
When bit value=1 When bit value=0
OFF ON
OFF ON
OFF ON
OUT IN