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Grundig K-CDP 65 Serviceanleitung Seite 12

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Platinenabbildung und Schaltplan / Layout of PCB and Circuit Diagram
U301 - CXP1031Q
Pin
Name
I/O Beschreibung
1
XLT
O
Latch output
2
DRCTL
O
Motor driver select
3
FOK
I
Inputs focus conditions
4
SCOR
I
SCOR input
5
SQCK/CLK
O
SUB-Q reading clock output. 8-Bit data clock output
6
DATA
O
8-Bit data output
7
SENSE
I
Sense input (monitor for various systems)
8
SUBQ
I
SUB-Q code input port
9
GFS
I
Monitor pin for the disc condition
10
SYNC IN
I
Used to operate CD synchronously with external equipment (cassette and others). Operates with falling edge.
11
DISC IN
I
Turn to "L" when tray has entered in deck mode and when the lid has closed in portable mode.
12
DISC OUT/BATT-E I
Turn to "L" when tray has terminated open in deck mode and when there is no battery in portable mode.
13
KI0
I
Port for key scan input. Reads remote control customer code at reset and start.
14
KI1
I
Port for key scan input. Reads remote control customer code at reset and start.
15
KI2
I
Port for key scan input. Reads remote control customer code at reset and start.
16
KI3
I
Port for key scan input. Reads remote control customer code at reset and start.
17
MUTG
O
Mute ON at mute signal "H".
18
I
key sel
19
UNLOAD/BATT-W IO
In deck mode indicates tray loading motor operation output and in portable mode battery warning output
20
LOAD/DECK-PT
IO
Performs tray loading motor operation output in deck mode and portable mode branching at "L" detection just after Reset.
21
KS0
O
Key scan output
22
KS1
O
Key scan output
23
KS2
O
Key scan output
24
KS3/TEST
IO
Performs test mode branching at "L" detection just after Reset.
25
VSS
Connect to GND
26
NC
Do not connect anything
27
RS3
O
RMC customer code scan signal
28
RS2
O
RMC customer code scan signal
29
RS1
O
RMC customer code scan signal
30
RS0
O
RMC customer code scan signal
31
-
Not used
32
SEG18
O
Connect to LCD
33
SEG17
O
Connect to LCD
34
SEG16
O
Connect to LCD
35
SEG15
O
Connect to LCD
36
SEG14
O
Connect to LCD
37
SEG13
O
Connect to LCD
38
SEG12
O
Connect to LCD
39
SEG11
O
Connect to LCD
40
SEG10
O
Connect to LCD
41
SEG9
O
Connect to LCD
42
SEG8
O
Connect to LCD
43
SEG7
O
Connect to LCD
44
SEG6
O
Connect to LCD
45
SEG5
O
Connect to LCD
46
SEG4
O
Connect to LCD
47
SEG3
O
Connect to LCD
48
SEG2
O
Connect to LCD
49
SEG1
O
Connect to LCD
50
SEG0
O
Connect to LCD
51
COM3
O
Connect to LCD
52
COM2
O
Connect to LCD
53
COM1
O
Connect to LCD
54
COM0
O
Connect to LCD
55
VLC1
Supply pin for LCD bias power supply
56
VLC2
Supply pin for LCD bias power supply
57
VLC3
Supply pin for LCD bias power supply
58
VDD
VDD
59
VL
O
Supply pin for LCD bias power supply
60
XTAL
Connect CRYSTAL
61
EXTAL
I
Connect the clock
62
RESET
IO
Connect RESET
63
WP
I
Not used
64
RMC
I
Connect to remote control input and remote control module
3-8
19
18
17
16
15
14
13
LOAD/DECK/PT/PB3
20
KS0/PA0
21
KS1/PA1
22
KS2/PA2
23
KS3/PA3
24
V
25
SS
N.C.
26
RS3/PE3
27
RS2/PE2
28
RS1/PE1
29
RS0/PE0
30
SEG19
31
SEG18
32
33
34
35
36
37
38
39
K-CDP 65
12
11
10
9
8
7
6
5
4
3
2
1
64
INTI
WP
63
62
RST
61
EXTAL
60
XTAL
59
V
L
58
V
00
57
V
LC3
V
56
LC2
55
V
LC1
54
COM0
COM1
53
52
COM2
40
41
42
43
44
45
46
47
48
49
50
51
GRUNDIG Service

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