Canon MV750i E - 4-6 Functional Check of Control Keys and Switches

MV750i E, MV730i E, MV700i E, MV700 E, MV690 E
SERVICE MODE · ADJUSTMENT
10
4-5 Checking the Lens Resetting
<Generals>
(1) Setting the address according to the table below allows to check whether the lens resetting is ended or not.
(2) If the DATA (in hexadecimal representation) is D0 or D4, the lens has been reset.
* In case of 40 or 44, the zoom lens has not yet been reset.
* In case of 80 or 84, the focus lens has not yet been reset.
4-6 Functional Check of Control Keys and Switches
<Generals>
(1) The MODE and FR MI-COM terminals can be checked in the service mode. With this function, the key-related operations and the
connections between the keys and the MI-COM terminals can be checked in the product state.
(2) Perform the check in the RD mode.
4-6-1 MODE MI-COM Input Port
STEP PROCEDURE Microcomputer operation
CS Function ADDR MODE DT
1 1) Make setting shown at right. 2 00 8300 RD -- RAM data indication
MONITOR
PIN NAME Description CS Function ADDR DATA BIT
78
T/C PW SW Tape/Card SW 1 01 0001 0
77
CAM Power Switch POWER SW (CAMERA) 1 01 0001 1
76
VTR Power Switch POWER SW (VCR) 1 01 0001 2
75
PAE/GREEN SW P.AE/GREEN SW 1 01 0001 3
71
DC J DET DC JACK detection 1 01 0001 7
70
ST ART ST OP St art / St op SW 1 0 1 00 02 0
69
Half Photo Switch Halfway pressing of Photo SW 1 01 0002 1
68
Photo Switch Full pressing of Photo SW 1 01 0002 2
67
Cassette In Switch Cassette IN SW detection 1 01 0002 3
66
Eject Switch EJECT SW detection 1 01 0002 4
65
PANEL Bottom/Top Switch LCD reverse detection 1 01 0002 5
64
PANEL Open Switch LCD open detection 1 01 0002 6
43
Dial CW Switch Select Dial
↑
1010005 1
42
Dial CCW Switch Select Dial
↓
1010005 2
25
Li3V Detect
Detection of decrease in lithium
battery voltage
1010007 3
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