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ONKYO CR305X
Service Manual


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

Description of ONKYO CR305X 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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Complete service manual, was very helpful in repairing this tapedeck.Thanks.
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The service manual was a copy of the original from Wirlpool. The quality was good, all neccecary information was available including the service-codenumbers, so I could order the right part to be replaced for repair. Downloding was no probem after the payment. Thanks for the service!

Text excerpt from page 24 (click to view)
CR-305X

CD CLOCK ADJUSTMENT PROCEDURES
(All segments on FL tube light on) 3. Adjust trimmer capacitor C703 so that the reading of frequency counter becomes 524.288 kHz 1Hz.

Preparation 1. Connect frequency counter to the terminal TP01 on main PC board (NAAR-6875) Set trimming resistors R123 to center. 2. Press and hold down MEMORY button , then press the DISPLAY button.

Focus gain adjustment 1. Set output of the audio oscillator to kHz and 1 1.5 VP-P 2. Connect the oscilloscope and audio oscillator as shown below. (Refer to Fig-1) 3. Load test disc YEDS-18 on tray and play the track 2. 4. Adjust trimming resistor R123 so signal 2 on the oscilloscope becomes 1.25 times of channel 1. (Refer to Fig-2)

Trimmer capacitor C703

5. Remove the oscilloscope and audio oscillator. 524,287 524,289 Hz * The of focus offset adjustment is unnecessary.
C703

TP01

Trimming resistor R123
P105 R123 TEST POINT P104
F-GAIN

TIMER C D TRACK AUTO MONO AM PM RDS S T STEREO W.DAY MIN MUTING W.END MEMORY kHz S.BASS REC REPEAT MHz DIRECT SLEEP RANDOM

Fig-1

Display

FE1 FE2 TE1 TE2 VC RF Test point P104 P105 3 4 1 2

+ GND 1 ch 2 GND

Audio oscillator Oscilloscope

Fig-2

39 40

FREQCAL

Freqency counter

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