RXD-M52
6
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Description
67
AMUTE
O
Audio muting control.
68
SPRLY
O
Speaker relay control.
69
PWRRLY
O
Power relay control.
70
NC
-
Disconnected.
71
HPRLY
O
Relay control terminal for headphones.
72
HPDET
I
Detection terminal of headphones.
73
EVR CLK
O
Clock output to sound controller(X29,IC6).
74
EVR DATA
O
Data output to sound controller(X29,IC6).
75
RDS CLK
I
RDS clock input(E/T type only).
76
BACK CHK/ DECK SLT CL
O
Detection port of back up voltage for MD mechanism. (MD version)
Control port of slot closing for deck. (Deck version)
77
BACK ON/ DECK SLT OP
O
Power on for MD mechanism. (MD version)
Control port of slot opening for deck.(Deck version)
78
MD RST/DECK CLK
O
Reset of MD mechanism and the clock of expander IC for deck.
79
MD CE/DECK DATA
O
CE of MD mechanism and the data of expander IC for deck.
80
MSTOP
I
Detection port of loading end for CD mechanism.
81
LD ON
O
Control port of laser on.
82
SPEED
O
Play back output port of hi-speed for CD.
83
DC OFF
O
Power control of system IC(X29,IC10) for CD.
84
LOAD OUT
O
Control port of loading out for CD mechanism.
85
LOAD IN
O
Control port of loading in for CD mechanism.
86
V/H
O
Control port of vertical and horizontal for CD. V/H version only
87
DINSW
I
Detection port of disc in for CD.
88
8SW1
I
Detection port of 8cm disc for CD.
89
XY SW
I
Input port of sensor for vertical and horizontal. V/H version only
90
PROT
I
Detection port of current protection.
91
PROT TEMP
I
Detection port of temperature compensating for protection.
92
AIN LEVEL
I
Input port of audio signal.
93
BACKV
I
Input port of back up voltage for MD.
94
RDS SLEVEL
I
RDS signal level input(E/T type only).
95
KRO
I
Key return signal input.
96
AVSS
-
Connected to ground.
97
KR1
I
Key return signal input.
98
AVREF
-
A/D,D/A reference voltage.
99
AVCC
-
A/D,D/A power supply.
100
12SW
I
Detection port of 12cm disc for CD.
Deck version only.
4. CD Test Mode
To enter the test mode, press the CD [PLAY/PAUSE] key
and turn the AC on.
4-3 Keys and Operation in the Test Mode
OPERATION
FB operation when servo on.
Sled in when servo off.
CD TEST-22 HI Hi speed (CD servo) when
sound
stop mode
CD TEST-22
Normal speed (CD servo) when
stop mode.
set
CD TEST-05
FF operation when servo on.
Sled out when servo off.
5. Cassette Deck Test Mode
5-1 Entering the Test Mode
5-1-1 Tape Check Mode
• Turn the AC on with pressing the TAPE[PLAY] key.
5-1-2 Mechanism Check Mode
• Turn the AC on with pressing the TAPE[PLAY] and
[menu] keys simultaneously.
5-2 Cancelling the Test Mode
Turn the AC off
5-3 Keys and Operation in the Test Mode
TEST MODE
KEYS
OPERATION
DISPLAY
Change-over the test mode
indication.
1
Mecha.Test
menu/demo
Loading Test(Load in)
Mode
sound
Loading Test(Load out)
SLEEP
Change-over the vertical and
(remote control) horizontal for LCD.
rec
4seconds recording
2
Tape Check
set
Change-over the dolby on/off.
Mode
sound
Change-over the beat cancel
on/off.
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