Sony CCD-M8, Руководство по обслуживанию

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3-7 . SYSTEM CON T R O L LNTE R FACE ( I C1 01 )
Signal name
1/0
IC101
R EC STANDBY
P B ( Connect p i n
@
P I N No. of I C 1 0 1 to ground)
REC LED 0 1 L
H H
Pin
Pin name 1 1 0
1/0
F unction
no.
rotation mode
1 3 U N LO A D
0
OPEN
Output which renders performing of unloading.
D R A I N
STBY LE D 0 2
H
L
H
-- OPEN
1 4 REC
0
D R A I N
Operates recording amplifier.
EN D S LE D 0 3 * I
H
* l
-- OPEN
1 5 FLE
0
DR A I N
Operates FL YING ERASE circuit.
CAP FST 0
4 H H H
CAP CCW / C W
0
5
H H H
1 6 START
I
300k 0.
A trigger input to start the IC.
P U LL DOWN
1 7
Unused
P O WER 0 6 L L L
1 8
+ 5V +sv
power supply pin
S R VO RST 0 9 H
H H
1 9
Unused
R E C
0 1 4
L
H
H
OPEN
20
CC D SW I
D R A I N
Detects that t h e cassette compartment is DOWN.
FLE 0 1 5 L
H H
T-FG I 2 5
OPEN Input of REC SW. Switching of REC mode and STBY mode can be performed
2 1 R E C SW I
D R A I N
with this input.
BAT D W N I 26
H H H
O P E N
Input of STBY SW. Switch ing of input from READY mode to STBY mode is
2 2 STBY S W
I
D R A IN
performed with this input.
SIG/ATF
•
T . E N D 1 / 0 2 7
H H H O P E N
2 3 EJ ECT SW
I
D R A I N
Input of EJECT SW.
TP DET I 28
H
* l * l
CAP ON 0 29 L L
H
-- O P E N
2 4 D E W
I
D R A I N
Drum dew condensation input.
CIN SW I
32
L
L
H
25
T-FG I
OPEN
FG of the reel stand on the T side is input.
D R A I N
R F SWP I 39
CAP FG I
40
SE L l 0 7
* 2
H H
OPEN
26 BAT DW N I
D R A I N
When t h e power supply voltage decreases, i t becomes "L".
O P E N
Switches signal necessary during continuous photographing (0). Performs
27
S
I
G
/ A
T F
•
T . EN D
I / O
D R A I N
TAPE E N D detection in REC mode ( I ).
SEL2 0 8
* 2
H H
2 8 T P DET I
O P E N
Input for conducting timing of continuous photographing.
D R A I N
M S W 3 I 33 L L
L
M S W 2 I 34
H H H
O P E N
29
C A P
ON
0
D R A I N
Performs ON/OFF of CAPSTAN.
M S W l I 35
H H H
* I
H/L pulse
*2
ATF control signal
30
-
O P E N
3 1 SP/LP I
D R A I N
When set at PAL. tape speed c a n b e converted with this input.
3-8. FUNCTI ON DESC R I PT I ON OF I C 1 0 1 P I N ( M D-1 0 BOAR D)
300 k 0. This switch detects t h e recording preventive claw a n d the AND of LENS
3 2 CI N SW I
P U LL U P
DOOR SW. and h a s a recording preventive function.
Pin
Pin name I/O
1/0
Function
no.
rotation mode
33 M S W 3
I
300 k 0.
Inputs with code the position o f the mech anism operated by the loading
P U LL U P
motor.
OPEN
I REC L E D 0
D R A I N
Light REC LED.
34
M S W 2 I
300k 0.
Inputs with code the position of the mechanism operated by the loading
P U LL U P
motor.
OPEN
2 DEW L E D
0
D R A I N
Light DEW LED.
3
5 M S W ! I
300k 0.
Inputs with code the position of the mech anism operated by the loading
P U LL U P
motor.
OPEN
3
EN D S L E D
0
D R A I N
Light LED for TAPE END detection.
36
X ' taI I N I
Clock oscillation element connecting pin.
O P EN
4 CAP FST 0
D R A I N
Perform high speed rotation of C A P motor during EJ ECT mode. etc.
37
X ' ta l O U T 0
Clock oscillation element connecting pin.
-
0
OPEN
5
CAP C C W / C W
D R A I N
Convert the rotating direction of CAP motor.
300k .Q
38
R ES ET I
P U LL U P
A trigger input o f the reset circuit o f IC.
O PE N
6 POWER 0
D R A I N
Turn the power supply ON/OFF.
39 R F SWP I
300k 0.
An RF SWITCHING PULSE input.
PULL U P
7 SELi 0
O P E N
Controls the ATF servo pilot signal during recording mode of operation.
D R A I N
40 C A P FG
I
300k D A CAPSTAN FG input I t controls the amount o f feedback o f the tape by the
PULL UP
number of FG for continuous photographing.
8
SEL2
0
OPEN
Controls the ATF servo pilot signal during recording m ode of operation.
D RA I N
4 1
Unused
42 GN D
Ground pin
9
SRVO RST
0
OPEN When power supply is ON and when the DRUM and CAPSTAN are turned
D R A IN
ON, reset the internal counter of CX20035.
-
0
OPEN
A chip select signal for communication with CX20035 . 10
cs
D R A I N
1 1
OPEN
Unused
D R A I N
1 2 LOA D 0
OPEN
Output which renders performing of loading.
D R A I N
4 3 Unused
44
C L K 0
I Ok O.
A clock to b e used when transferring serial data to CX20035 .
PULL UP
45
D E T DAT I
300k .(l
Receives state of the DRUM with serial data from CX20035.
P U LL U P
4 6 C T L DAT 0
I Ok O. Sends data which determines the state o f the DRUM and CAPSTAN to
P U LL U P
CX20035.
OPEN
4 7
CLOG L E D 0
D R A I N
Light CAUTION LED.
-
4
1
-
OPEN
48
STBY LED 0
D R A I N
Light STBY LED.