Kenwood DPX-MP4070 Service Manual page 6

DPX-MP4070/MP4070B
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MICROCOMPUTER'S TERMINAL DESCRIPTION
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Active
Pin No. Pin Name
(H/L)
39 L CE
40 LCD BLIGHT G
41 VPP
42 L DATA OUT
43 L DATA IN
44 L CLK
45 SDA
46 NC
47 SCL
48 ROMCOL WR
49 LED SI
50 JS2
51 TUN TYPE1
52 TUN TYPE0
53 SUB M+
TE
54 SUB M-
L 13942296513
55 MS IN
56 H DOLBY
57 H C MUTE
58 L METAL
59 C F/R
60 MS MODE
61 TUN CE
62 TUN DI
63 TUN DO
64 TUN CLK
65 SD/ST-IND
66 CD DISC12 SW
67 CD LOS SW
68 CD MUTE R
69 CD MUTE L
70 L CD MRST
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71 L CD MSTOP
72 CD DISC8 SW
.
73 CD LOE LIM SW
74 CD LOEJ
6
I/O Application
O Data latch to LCD driver
O LCD back light control (Green)
- Power supply terminal for flash memory writing
O Data output terminal to LCD driver
I Data input from LCD driver
O Clock output terminal to LCD driver
I/O E2PROM writing terminal
-
I/O CD mechanism I2C clock output terminal
Presence-or-absence setting for ROM collection
I
(E2PROM)
O LED control for security indicator
I Destination setting 4
I Destination setting 2
I Destination setting 1
O Cassette mechanism sub motor control
O Cassette mechanism sub motor control
I Between-numbers detection signal input
O DOLBY NR
O Equalizer mute
O Play-back equalizer switch
O Head input switch
O Detection sensitivity switch
O Tuner PLL data setting (CS)
I Tuner PLL data setting (DATA IN)
O Tuner PLL data setting (DATA OUT)
O Tuner PLL data setting (CLOCK)
I Front-end S-meter input
I CD disk detection terminal (12cm)
I CD loading detection terminal
I CD mute (Rch) request terminal
I CD mute (Lch) request terminal
CD mechanism µ-com reset terminal
O
CD mechanism µ-com stop terminal
O
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y
I CD disk detection terminal (8cm)
i
I CD detection terminal (Chucking switch)
O CD motor control terminal
2 9
8
PWM control
Q Q
3 6 7 1 3 1 5
L : Number exists
H : DOLBY NR ON
H : MUTE ON
L : METAL ON
L : Forward, H : Reverse
L : G1, H : G2
During seek operation, H: Number exists
During reception, H : Mono, L : Stereo
L : Rch mute request
L : Lch mute request
H : Normal condition, L : Reset
H : Mechanism µ-com activates
L : Mechanism µ-com stops
co
.
H : Loading completes, L : No disk
9 4 2 8
Processing Operation
0 5 8 2 9 9 4 2 8
m
9 9
9 9