Mechanism Μ-Com : Ic4 On X32- (Cd Player Unit) - Kenwood CKDC-MP575 Servise Manual

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MICROCOMPUTER'S TERMINAL DESCRIPTION
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• POWER SUPPLY IC (IC3) CONTROL
SEL1 (Pin No. 11)
PS1-2 PS1-3
L L
L L
H L
H H
SEL2 (Pin No. 12)
PS1-1 PS2-2
L L
H L
H H
MECHANISM µ-COM : IC4 on X32- (CD PLAYER UNIT)
TE
L 13942296513
Pin No. Pin Name
1 NC
2 E2P_SCL
3~5 NC
6 VDD
7 GND
8,9 NC
10,11 PON1,PON2
12 LOE/LIM_SW
13 DAC_MUTE
14 DAC_RST
15 EMPH
16,17 NC
18 IC/Vpp
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19 MUTE_L
20 MUTE_R
.
21 TYPE
PS2-1 ILLUMI P-CON
L OFF OFF
H ON OFF
H ON ON
H ON ON
AUDIO SW5 AM
OFF OFF OFF
ON ON OFF
ON ON ON
I/O Application
O Not used.
I/O Rom correction E2P I2C clock
O Not used.
- 5V electric potential
- GND electric potential
O Not used.
O Power ON/OFF control
I Down-limit SW detection
O DAC MUTE control
O DAC RESET
O External DAC Emphasis control
O Not used.
- Write voltage (FLASH)
O Lch audio MUTE control
x ao
y
O Rch audio MUTE control
i
I DAC switching terminal
8
• CD MECHA CONTROL OPERATION
CD LOEJ
P-ANT L
OFF H
OFF Hi-Z
OFF Hi-Z
ON
Q Q
Processing Operation
3 6 7 1 3
Description
Low-fixed
Low-fixed
Low-fixed
H : ON, L : OFF
L : Lim detection
H : MUTE ON, L : MUTE OFF
H : NORMAL, L : RESET
H : Emphasis ON,
L : Emphasis OFF
Low-fixed
L : Normal operation,
H : In writing.
L : MUTE ON, H : MUTE OFF
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L : MUTE ON, H : MUTE OFF
.
H : DSP built-in DAC used,
L : DSP built-in DAC Not used.
* DXM-6580W : X92-5080-00, X92-5200-05, DXM-6590W : X92-5190-00
CKDC-MP575
2 9 9 4 2 8
CD MOTOR CD MECHA OPERATION
H
H
L
H
1 5 0 5 8 2 9 9 4
Remarks
Used only with DXM-6590W.
With DXM-6580W, open and L-fixed.
Used only with DXM-6590W.
With DXM-6580W, open and L-fixed.
Used only with DXM-6590W.
With DXM-6580W, open and L-fixed.
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H : DXM-6580W, L : DXM-6590W
9 9
Load
Eject
Stop
Brake
2 8 9 9
7