DCR-DVD203 (serv.man3) - Sony Movie Service Manual (repair manual). Page 77

6-73

DCR-DVD203

Page 7

Address 60 to 69

Check that the data of page: 0, address: 10 is “00”.

Using method:
1) Select page: 7, address: 60 to 69.
2) The data at two addresses that correspond to the switch to be checked are read, and it is processed to 2-byte data (hexadecimal 4 digits)

composed of upper 1 byte and lower 1 byte, as shown below.

XXXX

Displayed data at lower 1 byte address
Displayed data at upper 1 byte address

3) By this 2-byte data, the pressed switch can be discriminated.

Address

60 (Upper 1byte)

61 (Lower 1byte)

(KEY AD0)

(IC2301 <

B25

)

62 (Upper 1byte)

63 (Lower 1byte)

(KEY AD1)
(IC2301 <

A27

)

64 (Upper 1byte)

65 (Lower 1byte)

(KEY AD2)

(IC2301 <

B26

)

66 (Upper 1byte)

67 (Lower 1byte)

(KEY AD3)
(IC2301 <

B27

)

68 (Upper 1byte)

69 (Lower 1byte)

(KEY AD4)
(IC2301 <

B28

)

0000–0033

START/STOP

(PS13300 block)

(S002)

START/STOP
(SB9000 block)

(S8703)

PHOTO

(REC)

(PS13300 block)

(S003)

EASY

(SW-442 board)

(S7901)

PANEL

REVERSE

(FP-234 flexible)

(S301)

0034–009B

ZOOM W

(SB9000 block)

(S8701)

PHOTO

(FREEZE)

(PS13300 block)

(S004)

BACK LIGHT

(SW-442 board)

(S7903)

009C-010F

ZOOM T

(SB9000 block)

(S8702)

WIDE

SELECT

(CK-148 board)

(S7303)

0110–018F 0190–022B

PANEL

OPEN

(CK-148 board)

(S7304)

022C–02CB 02CC–0387 0338–03FF

No key input

No key input

No key input

PANEL
CLOSE

(CK-148 board)

(S7304)

PANEL

NORMAL

(FP-234 flexible)

(S301)

2Byte Data