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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
;
I will definitely be back for more information when I need it.
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The service manual when downloaded and printed out was clear and easy to read. I would have liked to have been able to enlarge some details, but this was not possible as the file permissions did not allow this. The service was very good. The time taken from placing my order to downloading the document was only a few minutes.
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The manual is useful for trouble shooting for an old instrument. It saved money,and let me enjoy DIY.
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Perfect source of information for replacing the HDD and performing general diagnostics.
IC DESCRIPTION IC, pPD75518
Pin No.
1
Pin Name
NC
I/o � Not used.
Description
2
VREF IN VDD VREF LOCAL FM NC DEMO 9IU1OK CDINSW CD ACC-CONT CD RES POWER- ON NC LCDIN LCDOUT LCDCLK LCDCE � NC PLLCE PLLCL PLLDO PLLDI EJLAMP NC CDSLEEP F LAMP NC EJECT AUXIN DFPSW STOP CDCCHK NC SDA VOLCE VOLCLK
CDCDSPSIiL REMO
I � o o o
AD
converter supply.
reference
voltage
input
terminal.
3,4
5 6 7 8,9 10 11 12 13 14 15
Power
AD converter reference voltage output terminal. Outputs �H� during LOCAL mode search only. Outputs �H Not used. during reception of FM band,
I I I o o o o I o o o
Demonstration mode ON/OFF selection. (�H�: ON). 9K/10K step selection. (�H�: 9K), Disk insertion detection. (�H�: inserted). CD changer power supply control. (�H�: ON). CD reset output. (�U output during 2 ms when CPU starts after reset.) Outputs �H� while microprocessor is operating. Not used. Serial data input from LCD driver. Serial data output to LCD driver. Serial clock output to LCD driver. Chip enable output to LCD driver, Connected to GND.
.
16 17 18 19 20 21 22-24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
44
� o o o I o � o o � I I I I I/o � I o o
o
Not used. LC7216M serial inputioutput timing. Clock output to LC7216M. Serial data output to LC7216M. Serial data input from LC7216M, Lights when DPF is open. (�H�: lights). Not used. CD power supply ON/OFF output. (L: OFF). FRP lamp control output. (L: light). Not used. Eject key input, AUX detection output. (L: AUX input is connected). Panel attached/removed detection input. (�H: Stop mode detection input. (L: stop). Reset output to CDC. CDC detection signal input.
Not used.
attached).
Serial data input to electronic volume control. Chip select output to electronic volume control. Serial clock output to electronic volume control.
Communication timing during control output with CDC mechanism. modes.
o
�H�
is output
radio,
CD, CDC
and AUX
45
BEEP
o
Beep sound output terminal.
(2 kHz, 4 kHz, 500 Hz).
 $4.99 CDCX175 AIWA
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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