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I PURHASED THIS PRODUCT BECAUSE I WAS HAVING PROBLEMS WITH MY CDR20 HARMAN KARDON RECORDER. WHICH I PURCHASED NEW 12 YEARS AGO. AFTER REVIEWING THE MANUAL, I WAS ABLE TO ADJUST THE TENSIONER IN THE SYSTEM. WORKS LIKE A CHAMP!.
SAVED ME AT LEAST 100.00 WHICH WAS WHAT A SERVICE REPAIR STATION WANTED. GREAT MANUAL EASY TO READ. SPECIALLY AFTER I PRINTED THE PAGES WHICH DEALT WITH MY RECORDER. THANKS A LOT!!!!!!!!
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You can fully trust on this one!
All the schematics are very crear an in one piece per page
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I have never bought a service manual which is as competely readable as this althogh it was a scanned pdf. Thank you for this succesful manual also cheaper than other sites.
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Thanks for a very good and readable servicemanual. Just what I needed as a "dinosaur technician". I really recommmend this site and will come back.
Åsbjörn
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The manual I purchased was just what I needed. I was glad to find a site where I can find so many manuals on a wide variety of products.
RX Section Adjustment
1. RX Level Adjustment � Perform the adjustment at T1CH (26CH: 43.780 MHz) as a rule. Setting :
FM RF SSG HAND MAIN board TP2 TP3 (RX GND)
3. RSSI (H) Sensitivity Adjustment � Perform the adjustment at T1CH (26CH: 43.780 MHz) as a rule. Setting :
AF ocillator FM RF SSG HAND MAIN board TP2 TP3 (RX GND) output: 20 Hz
Procedure : 1. FM RF SSG condition : Carrier frequency : 43.780 MHz Modulation : 1 kHz Deviation : 3 kHz Output level : 60 dBµV (1 mV) (EMF) 2. Adjust the FL101 for the maximum reading on the level meter. Also check that the output level is within the specified values.
level meter HAND MAIN board + � TP27 (SP) TP26 (SP)
Procedure : 1. FM RF SSG condition : Carrier frequency : 43.780 MHz Modulation frequency : 20 Hz (EXT) Deviation : AM 50% Output level : 2 dBµV (1.259 µV) (EMF) 2. Use the oscilloscope to confirm the FM RF SSG input (AF) signal waveform and RSSI signal, and use the RV101 so that they are synchronized matched (duty is synchronized).
oscilloscope (DC range) HAND MAIN board + � TP9 (SIG IN) TP3 (RX GND)
RSSI WAVEFORM
Specified value: �16.6 to �8.6 dBV Adjustment Location: HAND MAIN board (See page 17)
RSSI output waveform
2. RX VT Adjustment Setting:
digital voltmeter
0V RF signal EXT signal 20Hz Adjust so that they synchronize at 0V.
+ �
TP5 (RX VT) TP3 (RX GND)
Adjustment Location: HAND MAIN board (See page 17)
Procedure: 1. The digital voltmeter connected TP5 (RX VT) to TP3 (RX GND). 2. Adjust the L102 for 0.8 V ± 0.05 V reading on the digital voltmeter. Adjustment Location: HAND MAIN board (See page 17)
� 15 �
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