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Exactly what was needed to assess the product - excellent value and great service
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
XR-A100, XR-A100-K
5. ADJUSTMENT
Note: Adjustment of MYXK, NVXK and YPWXJ types are the same as those of base model except for the following.
5.1 FM/AM TUNER MODULE (AXQ7077: MYXK and NVXK types only)
7 FM Tuner Section
÷ Set the mode selector to FM BAND. ÷ Connect the wiring as shown in Fig. 1. FM SG (1kHz, ±75kHz dev.) Reception Step No. Adjustment Title Frequency (MHz)
1 Front End Sensitivity Stereo Distortion TUNED IND. Lighting Level
Level (dBµV) 0 to 30
Frequency Display 106 MHz
Adjustment Location
L6104 L6105 L6102 T6101 T6101
Specifications
106
Adjust so that the DC voltage between the IC6201Pin 20 and GND becomes at maximum level. Minimize the distortion with 1/8 rotation of the core. Adjust so that the indicator of TUNED IND. starts to light up.
2
98
(ON STEREO)
80 18 ± 2
98 MHz 98 MHz
3
98
VR6201
Note: Before adjusting, make sure there is no gap between L6101 and L6102 as well as between L6103 and L6104. If there is a gap between them, bring them into contact with each other first, and then make adjustments.
7 AM Tuner Section
÷ Set the mode selector to AM BAND. ÷ Connect the wiring as shown in Fig. 1. Step No. Adjustment Title AM SG (400Hz, 30% Mod.) Reception Frequency Adjustment Level Frequency Location Display (kHz) (dBµV/m) 999*1 35 to 45 999kHz*1 T6201 Specifications
1
Front End Sensitivity
Adjust so that the DC voltage between the IC6201Pin 20 and GND becomes at maximum level.
*1: For the area using 10kHz step, frequencies should be 1000 kHz.
60cm Loop antenna
AM SG
Center
Center
AM antenna terminal DC Voltmeter
MPX SG
FM SG FM75� antenna terminal
PRODUCT
Fig. 1
AM and FM Adjustment Wiring Diagram
27
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