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There are currently no product reviews.
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The manual is well organized and is easy to read. The chapters are following normal way to proceed.
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This scanned manual is well done in that most all the pages except for one is straight and clear- the way I would do them. One page was upside down but that happens. For the money that is charged on this site you get a pretty good deal. Now with complex repairs, I still prefer to us paper manuals which I have to buy at stereomanuals but the one I got here was much less than the $45 he was charging but this is a larger than normal manual for three different units. I am a picky manual user because I have used original manuals from Sony and Teac.
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Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
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Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
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I used it to repair a NAD 7030, but unfortunately, the 7045 is different !
But documentation was useful.
IC DESCRIPTION IC, MC68HC05P6SCD2776
Pin No. 1 2 3 4 Pin Name SYSTEM RESET WAKE UP SYSTEM AGC CONT INPUT SEL 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 AUD MUTE TIME SEL
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ELECTRICAL ADJUSTMENT
I/O I I � I Initializes the system. Low input.
Description
Detects the key input and starts up the system. Low input. System selector (setting each model). High: 8RC-9. AGC control. High: OFF. Low: ON. High: TAPE. Low: MIC. Audio mute. Setting the recording time in the L/L mode. High: ON. Low: OFF. High: 10 sec. Low: 45 sec.
I/O I/O I O I/O I/O O I I/O � � I I I I I/O I I I � I I/O I/O I
RADIO/MIC DO DI SK CS ISD MOSI ISD MISO SCLK VSS VREF BAT IN PB/REC KEY STOP/REW KEY FF KEY ISD SS LED PB LED REC ISD RAC TCMP ISD INT OSC2 OSD1 VDD
System setting by selecting signal. High: RADIO (PAUSE). Low: MIC (OFF). Data input from EEPROM. Data output to EEPROM. System clock to EEPROM. System selector to EEPROM. Data output to ISD. Data input from ISD. System clock of ISD. GND. 0 V. Reference voltage to A/D converter. 3.3 V TYP. Battery voltage input. (for voltage identification). 8RC-9: BAT IN. PB/REC KEY input. 2/3 VCC PB. 1/2 VCC REC. STOP/REW KEY input. 2/3 VCC STOP. 1/2 VCC REW. FF KEY input. Low: FF. ISD system selector. PB LED. REC LED. ISD RAC input. Not used. ISD INT input. 2.0 MHz ceramic filter. 2.0 MHz ceramic filter. Power supply input.
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