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RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S
QQ
3 7 63 1515 0
Pin No.
Pin Name
56
SD
57
TU MUTE
58
PLAY SW
59
REC R SW
60
REC F SW
61
HALF SW
62
BEAT C
63
R/P
64
BIAS
65
A/B-1
66
A/B-2
67
MUTE
68
CPM
69
SOL
70
RDS DATA
71
PROTECT
72
AMUTE
73
SP RLY
74
EEP SDA
75
EEP SCL
76,77
ENC A,B
78
LED STBY RED
79
LED STBY GRN
80
NCS
TE
L 13942296513
6. Description of ICs
6-1 DSP IC : MN6627482WB(X29, IC22)
Pin No.
Pin Name
1
BCLK
2
LRCK
3
SRDATA
4
DVDD1
5
DVSS1
6
TX
7
MCLK
8
MDATA
9
MLD
10
SENSE
11
FLOCK
12
TLOCK
13
BLKCK
14
SQCK
15
SUBQ
16
DMUTE
17
STAT
18
RST
19
SMCK
www
20
PMCK
21
TRV
22
TVD
23
PC
24
ECM
25
ECS
10
CIRCUIT DESCRIPTION
I/O
I
SD detector input.
O
Tuner mute control.
I
Detection switch input of head position for deck.
I
Deck reverse recording switch input.
I
Deck forward recording switch input.
I
Cassette half switch input.
O
ON/OFF control pin of beat cancel for deck.
O
Deck recording & playback changeover.
O
ON/OFF control pin of bias for deck.
O
Deck recording mute & head select control 1.
O
Deck recording mute & head select control 2.
O
Deck line mute control.
O
Control pin of capstan motor for deck.
O
Control pin of solenoid for deck.
I
RDS data input. (E/T version only)
I
Detection pin of the protection for power supply.
O
Audio mute output.
O
On/off control pin for speaker relay.
I/O
EEPROM data input/output.
O
EEPROM clock output.
I
Volume encoder (X14, S516) signal inputs.
O
Standby led (red) control pin.
O
Standby led (green) control pin.
O
Chip enable output of FL driver.
I/O
-
Unused.
-
Unused.
-
Unused.
-
Digital power supply.
-
Digital ground.
O
Digital Out output.
I
CPC command clock signal input.
I
CPU command data signal input.
I
CPU command load signal input. "L" : Load
-
Unused.
-
Unused.
-
Unused.
O
Sub code block clock output.
I
Sub code Q data clock input pin.
O
Sub code Q data signal output pin.
-
Connected to be ground.
O
Status signal output.
I
Reset signal input.
-
Clock signal output (unused).
-
Clock signal output (unused).
x
ao
O
Traverse stop signal output.
y
O
Traverse control pin.
.
i
O
Spindle motor on signal output.
O
Control signal output for spindle motor.
O
Control signal output for spindle motor.
8
Pin Description
Q Q
3
6 7
1 3
Pin Description
u163
.
2 9
9 4
2 8
Active
H
OFF
OFF
ON
Recording
ON
ON
OFF
OFF
1 5
0 5
8
2 9
9 4
m
co
9 9
L
Detected
Mute ON
Playback
ON
ON
Detected
OFF
Playback
OFF
ON
ON
2 8
9 9
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