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KENWOOD KDC126S
Service Manual


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

Description of KENWOOD KDC126S 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 10 (click to view)
KDC-105,126/126S
ADJUSTMENT
1. IC10 (TDA7513T) -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".

1-3. Adjustment of FM_ANT&RF Coil
Voltage Check Point : S-METER-Check Land (PWB Side B, around W572) Adjustment Coil : ANT Coil = L505 RF Coil = L506 Setting of Signal Generator : Refer to the following tables.
TYPE E/M K J MODE FM FM FM freq. 87.5MHz 87.9MHz 76.0MHz Mod. OFF OFF OFF ANT Input 5 or 11dBuEMF 5 or 11dBuEMF 5 or 11dBuEMF Fig (A),(C) (A),(C) (A),(C)

1-1. VCO Coil Adjustment - Adjustment of Tunning Voltage
: Vt-Check Land (PWB Side B, around D506) Adjustment Coil : L507 (VCO Coil) The adjustment method : VCO coil is turned and adjusted according to the following tables.
TYPE E/M K J Mode AM AM FM freq. 1611kHz 1700kHz 90.0MHz Voltage 5.5 ± 0.1(V) 5.8 ± 0.1(V) 5.6 ± 0.1(V) Fig (C) (C) (C)

Voltage Check Point

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 âALL OFFâ 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 âOKâ : 14seg model âE2P OKâ 7seg model âEPOâ Adjustment âNGâ : 14seg model âE2P ERRâ 7seg model âEPEâ ⢠Releasing the test mode Reset mode only. ACC off, Power off, Power down and Remove the panel mode is not releasing.

1-2. Adjustment of 1st & 2nd-MIX Coil
Voltage Check Point : S-METER-Check Land (PWB Side B, around W572) Adjustment Coil : 1st IFT = L508 / 2nd IFT = L509 Setting of Signal Generator : Refer to the following tables
TYPE K E,M,J MODE AM AM freq. 1000kHz 999kHz Mod. OFF OFF ANT Input 35dBuEMF 35dBuEMF 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)

(TUNER ANT)

[Fig.1]

FM-SG AM-SG

(A) (B)

L505 L506 L507 L508

(C) DC Voltmeter Vt Check Land IC10

L509

S-METER Check Land (OVER VIEW) (UNDER VIEW)

10

[Fig.2]

[Fig.3]

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