Aiwa DX M80 Service Manual

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S/M Code No.90 - 005 DATE OF ISSUE 2/1990 - T

AIWA® DX-M

MAN"Al COMPACT DISC PLAYER

0 BASIC CD MECHANISM: KSL~15OACM3 OTYPE. Y,YK

O DX-MBO is the Compact Disc Player
which is connected to CX-80/8OM/81M

o n ly.
SPECIFICATIONS
Type: Compact disc digital audio
' system

Disc: Compact disc

Scanning method: Non contact optical scanner
(semiconductor laser application)

Laser: Semiconductor laser
0:780 nm)

Rotation speed: Approx. 500 rpm - 200 rpm
(CLV)

Error correction: Cross interleave, Reed Solomon
code

No. of channels: 2 channel

D-A conversion: 16-bit linear

Wow/Flutter: Unmeasurable

Frequency response: 10 Hz - 20 kHz, :1 dB
Harmonic distortion: 0.015% (1 kHz. 0 dB)

Dynamic range: 92 dB
Channel separation: 84 dB (1 kHz, 0 dB)
SIN ratio: 96 dB (1 kHz)

Power and miscellaneous

Power supply: Supplied from the main unit
Dimensions: 360 (W) x 122 (H) x 309 (D) mm
Weight: 3.5 kg

- Design and specifications are subject to change
without notice.

AIWA 00., Ltd. Tokyo Japan

Printed in Japan

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CAUTIONS WHEN SERVICING

The DX-MBO has no power supply circuit. Power should be supplied from (IX-80. (EX-BUM. (IX-81M using an ll-core
flat cable. During repair, connect DX-M80 to the CX-80, CX-BOM, CX-81M to supply the power.
When there is no [IX-80, (IX-80M, (IX-81M, supply the power in the manner below.

(When repairing without CX-SO, CX-80M, CX-81M)
1. Remove soldering from C2) and © terminals of T51 not to
flow DC through T51.

2. Connect the Multi-Power Supply(LPS-9088) in the manner below.

. FL501 does not light. as AC power for FLSOl is not supplied.

The voltages below are supplied to each CONlOl
terminal the external Dower source.

A MA I N C . B
. "G -> Lch our
PUT{W:: 6" <2) -
h® A ch our
{Remove soldering. 5ND ® GND
®
©
G)
AC-COM @ GND
AC-l ¢--13v
AC-Z ® ~--+I3v

3. Multi-Power (LPS-9088) Connection

Connect to .ll of the LPS-9088 using a multi-conversion harness.

Conversion harness connect ion

l | : Short bar
2 2 *--> : Jumper cable
3 3 " --> : Pin olug's ground cable
4 4 0 :Power output terminal
5 5 © :Relay terminal
4480. 6 e -> Multi-Power Supply © :Pin jack
7 7
6 8
9 9
IO I0 External unit External unit
H H (Amplifier. etc.) (Sourse)
l2
I3 INPUT

mm! a °®© O©©©
:®®®® ©6©©

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Pin No. Pin Name I/O Description

3 5 K E Y 1

3 6 K E Y 2

3 7 K BY 3 l KEY input.

3 8 K E Y 4

3 9 K E Y 5

4 U E O P - 0 F F - Connected to GND.

4 1 NC - Reserved.

4 2 SYNC I/O Sync. signal to other components input or output. (8-bit serial)

4 3 NC -- Reserved.

4 4 SQCK Sub-code 0 read and clock input.

4 5 GF S l Display signal input for frame sync. lock status.

4 6 S U B Q Sub-code 0 input.

4 7 MUTG O Muting output to DSP.

4 8 S ENS 1 Connected to DSP SENS terminal.

4 9 W 0 System reset output.

5 0 DATA 0 Serial data output to DSP.

5 l XLT Data latch output.

5 2 C L K Data transmission clock.

5 3 OP E N 0 Tray open output. High when opening.

5 4 C L O S E Tray close output. High when closing.

5 5 W Tray open detection switch. Low when the tray is open.

5 6 m Tray open detection switch. Low when the tray is closed.

5 7 FOK 1 Indicates the status of focus. High when in focus.

5 B P - S MOD E P -S 1 mode: High when peak search is performed every recording.
P - S 2 mode: Low when If the disc has not been changed and the program

has not been revised, only the peak point is played back.

5 9 m 0 Laser diode 0N/0FF output. Low when the laser diode is on.

6 0 P -O F F 0 System ON/OFF output. High when power is off.

6 l P-C ONT 1 System ON/DFF output from other components.

6 2 RMC l 42-bit serial remote control input.

6 3 NC - Reserved.

6 4 RANDOM indicates random play operation. High in random mode. (Reserved)

6 5 m 0 Holds the peak of input signal from other components in the peak Search
mode. High when peak search mode.

6 6 m Initial signal and AD START pulse output to the A/D conversion circuit.

6 7 W Timing signal input for A/D conversion.

6 8 m Random switch input. Low during random play and timer random play.

6 9 W I Timer play mode switch input. Low in timer play mode.

7 0 WW Power switch input. ou/orr (STAND BY) is switched.

7 1 GND - Connected to GND.

7 2 NC - Reserved.

7 3 NC - Reserved.

7 4 WDCK 1 Reference clock input for the peak search (AD conversion circuit)

7 5 VRE F - Connected to 48.

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