Led Check - Sony DSR-25 Service Manual

DSR-25

6. LED Check

(1) All lit check
Page 9
Using method:
1) Select page: 9, address: 05, and set data: 20.
2) Select page: 9, address: 4E, and set data: FF.
3) Check that all LEDs light up in the following colors respec-
tively.
LED
POWER, PLAY
REC, 7 Segment LED
Others
4) Select page: 9, address: 4E, and set data: 00.
5) Select page: 9, address: 05, and set data: 00.
(2) 7 Segment LED Check
Page 9
Using method:
1) Select page: 9, address: 05, and set data: 20.
2) Select page: 9, address: 4E, and set each bit to "1", and then
check that the segments associated with respective bits light
up.
bit5
bit4
3) Select page: 9, address: 4E, and set data: 00.
4) Select page: 9, address: 05, and set data: 00.
Address 05, 4E
Color
Green
Red
Amber
Address 05, 4E
bit0
bit1
bit6
bit2
bit7
bit3
5-38