Inhaltsverzeichnis
Werbung
MCD 36 / MCD 40
IC-PST9138N
CO1
OP1
+
–
+
–
1
NC
BA5941FP
28
27
26
25
24
23
22
21
10k
10k
13.3k
13.3k
13.3k
13.3k
Vcc
MUTE
10k
10k
1
2
3
4
5
6
7
8
LC66566B-4K60
RAM STACK
(512W)
26
FLAG
22
SYSTEM
CONTROL
24
25
E
D D
D D
SP
M
P P
P P
64
R
H L
X Y
46
PE
47
PRESCALER
42
43
PD
44
MPX
45
38
~
PC
INTERRUPT
41
CONTROL
34
~
PB
37
P0
P1
P2
30
~
PA
33
48~51 52~55 57~60 61~64
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
5
Vcc
4
V OUT
2
SUB
GND
3
20
19
18
17
16
15
Vcc
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
Vcc
9
10
11
12
13
14
RAM
(12K/16IK)
C
Z
ALU
E A
PC
TIMER
MPX
SERIAL I/O 0
0
TIMER
SERIAL I/O 1
MPX
1
P3
P4
P5
P6
P7
P8
P9
1~4
5~8
9~12
13~16
17~20
21,27~29
MCD 36 / MCD 40
LC 66566 B-4K60
PIN
PORT NAME
I/O
1
MODE
I
Initial setting input terminal for changer 1 or 2 switching
2
PLAY
O
Play mode output
3
LD/SP
O
Load/spindle motor switching signal output
4
NC
O
No connection
5
NC
O
No connection
6
NC
O
No connection
7
NC
O
No connection
8
NC
O
No connection
9
CLAMPSW
I
Disc clamp finish SW input
10
UPLIMIT
I
Elevator upper limit SW input
11
LOWLIMIT
I
Elevator lower limit SW input
12
MAGZSW
I
Magazine detection SW input
13
CD+B
O
CD mode signal output
14
NC
O
No connection
15
DATAOUT
O
Status data output
16
NC
O
No connection
17
NC
O
No connection
18
NC
O
No connection
19
NC
O
No connection
20
NC
O
No connection
21
DATAIN
I
Command data input
22
TEST
I
Connection to ground
23
VSS
Ground
24
OSC1
Ceramic oscillator connection terminal for system clock
25
OSC2
Ceramic oscillator connection terminal for system clock
26
RESET
I
Reset signal input
27
BATT
I
Battery LOW detection input
28
NC
O
No connection
29
NC
O
No connection
30
POWER
O
Main & servo system power supply ON/OFF output
31
NC
O
No connection
32
NC
O
No connection
33
NC
O
No connection
34
FEM-
O
Pickup moving-inside signal output
35
FEM+
O
Pickup moving-outside signal output
36
LOAD+
O
Output to move a tray in the direction out of magazine with loading motor
37
LOAD-
O
Output to move a tray in the direction into magazine with loading motor
38
NC
O
No connection
39
NC
O
No connection
40
VREF0
I
Reference voltage for TH1
41
VREF1
I
Reference voltage for TH2
42
TH1
I
Temperature sensor ON signal input
43
TH2
I
Temperature sensor OFF signal input
44
ACC
I
Acc ON/OFF detection signal input
45
DISCON
I
Disc detection photo transistor signal input
46
EJECT
I
Magazine eject key signal input
62
47
DRF
I
Focus OK signal input
57
48
NC
O
No connection
58
49
DISCCOUNT
I
Elevator position detection pulse input
59
50
6/10CD
I
Initial setting input terminal for 6 discs changer or 10 discs changer
60
51
MUTE
O
Mute signal output
61
21
52
DSPRST
O
Reset signal for DSP(LC78622E)
27
~
53
LOADOUT
I
Magazine tray detection SW input
29
54
INSIDESW
I
Inner circle limit detection SW input
9
55
NC
O
No connection
10
56
VDD
Power supply (+5V)
11
57
SQOUT
I
Interface with DSP(LC78622E)
12
63
58
COIN
O
Interface with DSP(LC78622E)
59
CQCK
O
Interface with DSP(LC78622E)
60
WRQ
I
Interface with DSP(LC78622E)
61
ELV-
O
Elevator moving-down signal output
62
RWC
O
Interface with DSP(LC78622E)
63
ELV+
O
Elevator moving-up signal output
64
STBY
I
Stand by position cancellation signal input
2 - 13
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
DESCRIPTION
H:play mode
2 - 14
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Inhaltsverzeichnis
