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AIWA XP579
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of AIWA XP579 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 15 (click to view)
Pin No. 32 33

Pin Name LF I LF O

IJo I

Description Input terminal by capacity combination of RF summing amplifier. Output terminal of RF summing amplifier. Check point of Eye pattern. Anti-reverse input terminal for RF summing amplifier.

0
I

34

I

LF M

I

I

The gain of RF amplifier is decided by the connection resistance between RF-M and RFO terminals.

35 36 37
38,39

LIWC LD PD PD1, PD2

I o I

This is a pin where the selection time constant is externally connected to control the RF level. APC amplifier output terminal. APC amplifier input terminal. RFI-V amplifier inverted input pin.

I

I I I Theseare connected to the A+C and B+D pins of the optical pickup, receiving by pins
currents input.
1/0

40

FE(NC)

Bias adjustment pin of the focus error amplifier. (Not used.) F and EIV amplifier inverted input pins.

41,42

F, E

I

These pins are connected to the F and E pins of the optical pickup, receiving by current I input. Gain adjustment pin of the I-V amplifier E. (When not in use of BAL automatic adjustment).

I

I
EI(NC) —

I
43

GND connection pin. Output terminal for tracking-error amplifier. Output E-F signal. BAL adjustment comparator input pin. (Input through LPF from TEO) 47 48 49
50 51

I

TEI ATSC

I I

I I

I I

Input terminal fortracking error. Whdow-comparator input terminal for detecting ATSC. Inputterminalfortracking-zerocrosscomparator. Capacitor connection pin forthetimc constant used when there is defect. Voltage center of DC voltage reduced to half between VCC and VEE. Input terminal for focus-zero cross comparator.

I

I
I

Tzc
TDFCT
Vc

III
I I
o

I

52

F“Zc

I

–21–

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