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Hard to find manual was ready the next day. Scans were very legible (including schematics). All the essential parts of the service manual were present (adjustment procedure, schematics, and parts list). It would have been nice if the rest of the manual was included (disassembly procedure, theory of operation, etc.).
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The Service Manual for the Kenwood KR-V55R provided by owner-manuals.com was as described/advertised. The contents provided the necessary information to effect a diagnosis of the unit. The schematics above all else was instrumental in tracing the the signal flow from component to component.
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This manual was the factory original. Excellent value and contained all the details I needed. Easy dowwnload provided the information when I needed it.
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Impeccable, document très complet. Perfect, i get all i need. All schematic are correct. Thanks
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The manual is of better quality compared to other. I found it less expensive and therefore it it is the best buy cost vs quality.
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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 $4.99 CRIC90 AIWA
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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