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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]
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