42
KEH-P690,P6950
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Pin No.
Pin Name
I/O
Function and Operation
56
CM
O
Cassette mechanism capstan motor control output
57
SC1
O
Cassette mechanism sub motor control output
58
SC2
O
Cassette mechanism sub motor control output
59
NES
I
Cassette mechanism forward end sense input
60
RES
I
Cassette mechanism reverse end sense input
61
POS
I
Cassette mechanism position sense input
62
PCL
O
Clock adjustment output
63
NR
O
Dolby NR ON/OFF select output
64
mtlsw
I
Metal sense input
65
RIMUTE
O
RI mute output
66
PLAY
O
MS gain select output
67
DIRO
O
Head F/R select output
68
MSIN
I
Cassette mechanism MS sense input
69
loadsw
I
Tape loading input
70
RECIVE
O
Not used
71,72
NC
Not used
73
TEST
I
Test terminal
74
SEL
I
Select input for the destination
75
SL
I
SD level input from tuner
76
NC
O
Open
77
CL
I
Not used
78
NL
I
Not used
79
FLPILM
O
Inside of flap illumination output
80
EJECTS
I
EJECT input
81
NC
Not used
82,83
VDD
Power supply
84
GND
GND
85
RX
I
IP BUS data input
86
TX
O
IP BUS data output
87
GND
GND
88
ldet
I
PLL lock sense input
89
rck
I
RDS demodulation clock input
90
RDS57K
I
57kHzBP-OUT sense input
91
NC
Not used
92
bsens
I
Back up power sense input
93
asens
I
ACC power sense input
94
TUNPDI
I
PLL IC data input
95
KEYDT
I
Display data input
96
DPDT
O
Display data output
97
TUNPCK
O
PLL IC clock
98
TUNPDO
O
PLL IC data output
PLL IC chip enable
Beep tone output
50
51
80
81
100
1
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
