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Service Manual

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

Description of SONY XRC7220 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)
FM Stereo Separation Adjustment Setting: [SOURCE] button : FM FREQUENCY SELECT switch : FM 200 k
FM RF signal generator antenna jack (J1) 0.01 µF set 10 kΩ + – level meter

MW Auto Scan/Stop Level Adjustment Setting: [SOURCE]and[MODE]buttons : MW FREQUENCY SELECT switch : MW 10 k
30 Ω 15 pF

65 pF
AM RF signal generator AM dummy antenna (50 Ω) Carrier frequency : 1000 kHz 30% amplitude modulation by 1 kHz signal Output level : 33 dB (44.7 µV)

Carrier frequency Output level Mode Modulation

AUDIO OUT REAR jack : 97.9 MHz (CNJ151) : 70 dB (3.2 mV) : stereo : main: 1 kHz, 33.75 kHz deviation (45%) sub: 1 kHz, 33.75 kHz deviation (45%) 19 kHz pilot: 7.5 kHz deviation (10%)


antenna jack (J1)

FM Stereo signal generator output channel L-CH R-CH R-CH L-CH L-CH L-CH R-CH R-CH A B Adjust RV4 on TU1 for minimum reading. C D Adjust RV4 on TU1 for minimum reading. Level meter connection Level meter reading (dB)

Procedure: 1. Set to the test mode. (See page 13) 2. Push the[SOURCE]button and set to FM. 3. Push the[MODE]button and set to MW. Display

L-CH Stereo separation: A-B R-CH Stereo separation: C-D The separations of both channels should be equal. Specification: Separation more than 30 dB Adjustment Location: See page 16.



4. Adjust with the volume RV1 on TU1 so that the “MW” indication turns to “MW0” indication on the display window. But, in case of already indicated “MW0”, turn the RV1 so that put out light “0” indication and adjustment. Display



Adjustment Location: See page 16.

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Owner's Manual

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