Pin No.
Pin name
I/O
Description
53
SYS ST
O
System IC strobe output (M62430FP)
54
CS RELAY
O
CS speaker relay control
H : ON
L : OFF
55
SP RELAY
O
Speaker relay control
H : ON
L : OFF
56
DOL ST
O
Dolby IC strobe output
57
MON
O
PMON control
H : ON
L : OFF
58
P/N-I
O
NTSC/PAL changeover
H : PAL
L : NTSC
59
CDRST
O
CD DSP IC (CXD2585Q) reset control
H : NORMAL
L : RESET
60
M/A
O
TV changeover control
H : MANUAL
L : AUTO
61
ML
O
DAC IC (PCM1717E) strobe output
62
P RLY
O
Power relay control
H : ON
L : OFF
63
LMR
O
Loading motor control (reverse)
64
LMF
O
Loading motor control (forward)
H : ON
L : OFF
65
RMF
O
Rotary motor control (forward)
H : ON
L : OFF
66
BRKM
O
Rotary motor control (brake)
H : NORMAL
L : BRAKE
67
RMR
O
Rotary motor control (reverse)
H : ON
L : OFF
68
DC OFF
O
CD DSP IC power control (CXD2587Q)
H : ON
L : OFF
69
BEAT CANCEL
O
Beat cancel
H : ON
L : OFF
70
A/B
O
A/B Playback change-over
H : B
L : A
71
BIAS
O
Bias change-over
H : ON
L : OFF
72
R MUTE
O
Deck rec mute control
H : OFF
L : ON
73
NR
O
Dolby noise reduction change-over
H : ON
L : OFF
74
D-R/P
O
Dolby rec/play change-over
H : REC
L : PLAY
75
R/P
O
Rec/play change-over
H : REC
L : PLAY
76
B CPM
O
B deck motor control
H : ON
L : OFF
77
B SOL
O
B deck solenoid control
H : ON
L : OFF
78
A CPM
O
A deck motor control
H : ON
L : OFF
79
A SOL
O
A deck solenoid control
H : ON
L : OFF
80
SPE3
O
Speana out 3
81
TU/SPE2
O
TUNER destination (scan)/speana out 2
82
TYP/SPE1
O
Model discrimination (scan)/speana out1
83~86
RET4~RET1
I
Model discrimination input 4~1
Discrimination of TUNER destination (DSW3~DSW0)
87
A-PH
I
A deck photo sensor input
88
B-PH
I
B deck photo sensor input
89
UNL SW
I
CD unload switch
H : ON
L : OFF
90
LO SW
I
CD load switch
H : OFF
L : ON
91
VCC
–
u-COM power supply (+5V)
92
ST SW
I
CD mechanism stop switch
H : OFF
L : ON
93
UP SW
I
CD mechanism up switch
H : OFF
L : ON
94
DN SW
I
CD mechanism down switch
H : OFF
L : ON
95
PS SW
I
CD mechanism position switch
H : OFF
L : ON
96
CD MUT
O
CD analog mute
H : OFF
L : ON
97
ZERO
I
CD zero mute detection
H : MUTE OFF
L : MUTE ON
98
VEE
–
GND
99
AVSS
–
A/D GND
100
VREF
–
A/D reference voltage
RXD-951/A700/A900/V616/V818/V919
10
CIRCUIT DESCRIPTION
RXD-951(K)
COVER1,1(
98.12.14
13:41
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