Sanyo MCH-900F - CD Changer Block Flow Chart; CD Changer Block System Control Terminal Level

CD CHANGER BLOCK SYSTEM CONTROL TERMINAL LEVELS
CD CHANGER BLOCK SYSTEM CONTROL TERMINAL LEVELS
a. DISC TRAY (LOADING TABLE) (431) POSITION DETECTION
d
I
PIN No.
TERMINAL NAME
OPEN
CLOSE
STOP
IC151 27
TR OPEN
H
L
H
IC151 26
TR CLOSE
L
H
H
b.
DISC CASE (363)
AND CD MECHANISM POSITION DETECTION (UP/DOWN)
1
PIN No.
TERMINAL NAME
LEVEL
IC151 28
D
UP
H
L
L
..... ...... ... ......
.... ........ .
. . ...........
..
IC151 29 D
DOWN
L
H
L
CD
PL = “H”
DISC CASE ‘UP-
D15C CASE “DOWN-
DISC CASE “STOP”
., ...-. . .
. . . ... . ... .
......... ....
Q151O
CD PL = “’L”
CD MECHANISM
CD MECHANISM
CD MECHANISM
—
- DOWN”
-uP-
“STOP-
C. OPEN I CLOSE SWITCH (339) POSITION DETECTION
SWITCHES POSITION
PIN No.
DISC TRAY POSITION
CIPFN SW I CLOSE SW
1
------
OPEN
L
H (2.7V)
CLOSE
H
L (3.4V)
IC151 33
etc.
H
H
d. CD MECHANISM UPIDOWN SWITCH (393) POSITION DETECTION
1
PIN No.
CD MECHANISM POSITION
SWITCHES POSITION
CK ON SW
CK OF SW
——
UP
L
;(3.4;)
DOWN
H
IC151 34
L (2.7V)
etc.
H
H
(5.OV)
e. DISC
CASE ELEVATOR SENSOR P.C.B (315) POSITION DETECTION
(1) S001 : DISC CASE RESET SWITCH
DISC CASE RESET
PIN No.
DISC CASE POSITION
SWITCH S001 POSITION DH LIM INPUT
LIMIT
‘L (3.4V)
IC151 34
etc.
H
(5 Or 2.7V)
(2)SO02 : UN - LOADING SWITCH
UN - LOADING SWITCH LOADING PL4TE POSITION
PIN No.
S002 POSITION AM LIM INPUT
LIMIT
L
IC151 25
etc.
H
(3) Pcool
: PHOTO SENSOR
DISC CASE PHOTO
PIN
No.
DISC CASE POSITION
SENSOR PCOO1 POSITION
DH PS INPUT
I
1
DETECTION HOLE
H
IC151 24
et c
I
L
f. DISC PRESENT/ABSENT DETECTION BY DISC SENSOR P. C. BOARDS (345, 450)
,
I
PIN No.
I
“SC I-%%%&i
—
PRESENT
H
IC151 22
ABSENT
L
g. PC$ITION OETECTION BY LOADING PLATE SENSOR P.C. BOARD (304)
LOADING PLATE (434)
PCO04
PIN
No.
POSITION
AM PS INPUT
DETECTION HOLE POSITION
H
IC151 23
etc.
L
h. CD MECHANISM POSITION OETECTION BY DISC SENSOR P.C. BOARD (450)
I 1
1
I
CD CHANGER BLOCK FLOWCHART
a. DISC CHANGING
DISC CHANGE PROCESSING
I
—
.................................. ....... . ................... ......................
..
t
I
DISC CASE (363)
I
j LOAD POSITION CHECK
CORRECT :
1............s....1
DISC CASE (363) POSITION ADJUSTMENT
I
LOAO IN DISC CASE
I
=+=
;...................
..J. .....
~.=+=
+“”’””””’’’”””””
t)
2
DISC REMAINING CHECK
-62-
-63-