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KENWOOD KDC122P
Service Manual


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

Description of KENWOOD KDC122P 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 8 (click to view)
KDC-1022/122P
ADJUSTMENT
1. IC10 (TDA7513) -The Tuner adjustment method
• When IC10 and its circumference are fixed, according to the following order, it readjusts if needed. • The adjustment item changes with parts to exchange. Please refer to “Parts vs Adjustment item table”. Adjustment Coil

1-3. Adjustment of FM_ANT & RF Coil
Voltage Check Point : S_METER-Check Land (PWB Side_B, around W572) : ANT_Coil=L505 RF_Coil=L506
Freq. 87.5MHz 87.9MHz 76.0MHz 65.0MHz Mod. OFF OFF OFF OFF ANT Input Fig.

Setting of Signal Generator : Refer to the following tables

1-1. VCO Coil Adjustment -Adjustment of Tunning Voltage
Voltage Check Point Adjustment Coil : Vt-Check Land (PWB Side_B, around D506) : L507 (VCO Coil) according to the following tables.
Type E/M K J W (Wide Band) Mode AM AM FM FM Freq. 1611kHz 1700kHz 90.0MHz 108.0MHz Voltage 5.5±0.1(V) 5.8±0.1(V) 5.6±0.1(V) 7.2±0.1(V) Fig. (C) (C) (C) (C)

Type E/M K J W (Wide Band)

Mode FM FM FM FM

5 or 11dBµEMF (A),(C) 5 or 11dBµEMF (A),(C) 5 or 11dBµEMF (A),(C) 5 or 11dBµEMF (A),(C)

The adjustment method : VCO coil is turned and adjusted

qThe appearance and the coil with which S-METER DC voltage serves as the maximum are turned and adjusted in the above-mentioned SG input. wBy the above-mentioned adjustment method, same adjustment is performed to both sides (ANT & RF Coil).

M : AM Adjustment For Your Information : The frequency of SET is only set up by Pre-Set-Key in case this adjustment

1-4. Adjustment of STEREO (adjustment of 456k-VCO)
Adjust in TEST_MODE • How to enter the test mode While pressing on [FM] and [PRESET 6] keys, reset the unit. • Adjustment method Complete on condition that show “ALL OFF” when pressing on [PRESET 1] and [PRESET 6] keys. (Writing adjustment valve to the EEPROM.) Effect of adjustment is in cofirmation of adjustment status at [PRESET 4] key. • Display of [PRESET 4] Adjustment “OK” : 14 seg model “E2P OK”, 7 seg model “EPO” Adjustment “NG” : 14 seg model “E2P ERR”, 7 seg model “EPE” • Releasing the test mode Reset mode only. ACC off, Power off, Power down and Remove the panel mode is not releasing.
(TUNER ANT) FM-SG AM-SG (A) (B)

1-2. Adjustment of 1st & 2nd-MIX Coil
Voltage Check Point Adjustment Coil : S_METER-Check Land (PWB Side_B, around W572) : 1st IFT=L508 / 2nd IFT=L509

Setting of Signal Generator : Refer to the following tables
Type K E,M,J,W Mode AM AM Freq. 1000kHz 999kHz Mod. OFF OFF ANT Input 35dBµEMF 35dBµEMF Fig. (B),(C) (B),(C)

q The appearance and the coil with which S-METER DC voltage serves as the maximum are turned and adjusted in the above-mentioned SG input. w By the above-mentioned adjustment method, same adjustment is performed to both sides (1st & 2nd MIX Coil).
(REAR VIEW)

[Fig.1]

L505 L506 L507 L508 L509 (OVER VIEW) Vt Check Land IC10 (C) DC Voltmeter

S-METER Check Land (UNDER VIEW)

[Fig.2]

[Fig.3]

8

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