Kenwood KDC-MP632U Service Manual page 10

KDC-MP632U
KDC-W6534U/UY/X590/X7533U
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MICROCOMPUTER'S TERMINAL DESCRIPTION
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Pin No. Pin Name
53 DISC NORMAL
54 DISC H RW
55 DISC RW
56~59 TEST OUT4~1
60 VCC2
61 TEST OUT0
62 VSS
63~66 NC
67 TEST IN3
68 MODEL SEL
69 E2P WRITE
70 UNIQ ID
71~73 NC
74 SEARCH
75,76 NC
77 DSP RST
78 DSP A0
79 DA EMPHASIS
80 ROM EMPHASIS
TE
L 13942296513
81 DATA MUTE
82 CS RST
83 NC
84 SREQ
85 BREQ
86~93 NC
94 AVSS
95 NC
96 VREF
97 AVCC
98~100 NC
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I/O Application
O Media discrimination result output (Not used)
O Media discrimination result output (Not used)
O Media discrimination result output (Not used)
O Output for test
- Power supply input
O Output for test
- Power supply input
- Not used
I TEST IN3
I Model determination
I TEST IN1: E2P writing permission
I TEST IN0: Uniqe ID writing permission
- Not used
O Searching situation output
- Not used
O DSP reset control
DSP command/parameter discrimination
O
signal output
I DSP DA emphasis input
I Decoder ROM emphasis input
O Data output status
O Decoder reset control
- Not used
O Decoder SREQ signal output
I Decoder BREQ signal input
- Not used
- Analog power supply input
- Not used
- Reference voltage input
- Analog power supply input
- Not used
x ao
y
i
8
H: Normal disc, L: Other disc
H: High reflecting RW disc, L: Other disc
H: Normal RW disc, L: Other disc
Opened output L fixed
Connects to BU3.3V
Opened output L fixed
Connects to GND
Opened output L fixed
Pull-down connection (L: Normal/H: During test)
L: DXM-6810W (X32-583), H: DXM-6820W (X32-587)
Pull-down connection (L: Normal/H: During writing)
Pull-down connection (L: Normal/H: During writing)
Opened output L fixed
H: During seaching, L: Normal
Opened output L fixed
L: Reset, H: Normal
H: During parameter transmitting
L: During command transmitting
H: emphasis ON, L: emphasis OFF
H: emphasis ON, L: emphasis OFF
Q Q
3 6 7 1 3
L: During data output muting, H: During data output
L: Reset, H: Nornal
Opened output L fixed
Opened output L fixed
Connects to GND
Opened output L fixed
Not used: Connects to GND
Connects to BU3.3V
Opened output L fixed
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Processing / Operation / Description
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