Related Manuals for Akai ASR-95
Summary of Contents for Akai ASR-95
- Page 1 AUTO REVERSE CAR STEREO RADIO CASSETTE PLAYER WITH PLL SYNTHESIZED TUNING FULL DETACHABLE PANEL Model: ASR95 SERVICE MANUAL www.akai.ru...
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Page 2: Table Of Contents
CONTENTS Page Disassembly Instructions ..........................3 Disassembly Diagram ............................4 Operation Check ..............................5 Block Diagram..............................6 Alignment Locations............................7 Alignment Procedures............................8 Printed Circuit Boards ............................9 Wiring Diagram ............................12 Exploded View (Panel)...........................13 Exploded View Parts List (Panel)........................14 Exploded View (Cabinet)..........................15 Exploded View Parts List (Cabinet)........................16 Schematic Diagram............................17 Electrical Parts List............................18 Specifications ..............................21... -
Page 3: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS 1. Using the unlock key that came with the unit or a similar tool, unlock the Mounting Box and remove toward the rear of the unit. Remove the screw (A) located on the back of the top cabinet then remove the Top Cabinet. 3. -
Page 4: Disassembly Diagram
DISASSEMBLY DIAGRAM... -
Page 5: Operation Check
OPERATION CHECK GENERAL SPECIFICATIONS OF SIGNAL Standard frequency 98.1 MHz (87.5, 108 MHz) 1000 kHz (522, 1620 kHz) 200 kHz (144, 288kHz) Signal output 5 mV 5 mV Modulation 400 Hz 30% MOD. FM Stereo 1 kHz 75 kHz DEV. 90% for L only or R only pilot level 10% AF output level... -
Page 6: Block Diagram
BLOCK DIAGRAM... -
Page 7: Alignment Locations
ALIGNMENT LOCATIONS FM/AM TUNER... -
Page 8: Alignment Procedures
ALIGNMENT PROCEDURES FM ADJUSTMENT Equipment Required AM IF/RF signal generator Solid-state voltmeter (SSVM) Regulated DC power supply 2-CH voltmeter Distortion meter FM Alignment Using FM Signal Generator Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible to avoid overload and clipping. -
Page 9: Printed Circuit Boards
PRINTED CIRCUIT BOARDS MAIN BOARD... - Page 10 KEY BOARD TOP VIEW...
- Page 11 KEY BOARD BOTTOM VIEW...
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Page 12: Wiring Diagram
WIRING DIAGRAM... -
Page 14: Exploded View Parts List (Panel)
EXPLODED VIEW PARTS LIST PANEL Ref. No. Description RS Part No. Mfr s Part No. Lens (S. OPC0201) 53-A4366-81 Top Panel (S. 0201) W/O CDC 143681D 51-A4321-82 Key Board 12-14310-305 Bottom Panel /PC 51-A4324-00 Open Knob (S.OPC0201) 52-A4332-80 PROG Spring 36-34254-00 EJ Knob (A/R) (S.OPC0201) 52-A4329-80... -
Page 15: Exploded View (Panel)
EXPLODED VIEW CABINET... -
Page 16: Exploded View Parts List (Cabinet)
EXPLODED VIEW PARTS LIST CABINET Ref. No. Description RS Part No. Mfr s Part No. Panel Trim Ring +Spray Silver 51-64824-81B Base /ABS 51-A4320-00 Cabinet Bottom 61-A4302-00 SM909-DL (MCI5ULCKSNZ/AP-4226) 94-00909-01W Cabinet Top A/R 61-A4301-00 Heat Sink W/O Socket; W/O CDC 61-A4306-00 Main Fiber 35-A4301-00... -
Page 17: Schematic Diagram
SCHEMATIC DIAGRAM... -
Page 18: Electrical Parts List
ELECTRICAL PARTS LIST Ref. No. Parts No. Description Q ty PC BOARD ASSY, MAIN BOARD Q503/6 01-00435-00S TRANSISTOR BD435 Q307/8,505 01-01175-00 TRANSISTOR 2SA1175-FF Q502,402 01-01240-00 TRANSISTOR B1240 Q303~6,401,501,101~6 01-02785-00 TRANSISTOR 2SC2785-FF IC502 01-02785-00 IC-REGULATOR 78L05 D801 02-04001-00A DIODE IN4001 AT. (TAPPING) D802/3/5,502/1/3,507/8/12/16,806,509 02-04148-00A DIODE 1N-4148 AT. - Page 19 ELECTRICAL PARTS LIST " CONTINUED Ref. No. Parts No. Description Q ty C514,502 06-16476-01 E. CAP 47µF 16V (∅5X7MM) C307/8 06-50334-01 E. CAP 0.33µF 50V (∅4X7MM) C409/10,501,316~9,808 06-50475-01 E. CAP 4.7µF 50 (∅4X7 MINI) R505 07-05010-00 RES. 1Ω 1/4W R507,121 07-05100-16A RES.
- Page 20 ELECTRICAL PARTS LIST " CONTINUED Ref. NO Part No. Description Q ty R202 07-05100-16A RES. 10Ω 1/16W (TAPPING) R204/5 07-05102-16A RES. 1KΩ 1/16W (TAPPING) R123 07-05103-16A RES. 10KΩ 1/16W (TAPPING) R206/7 07-05223-16A RES. 22KΩ 1/16W (TAPPING) R201 07-05331-16A RES. 330Ω 1/16W (TAPPING) R208 07-05332-16A RES.
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Page 21: Specifications
SPECIFICATIONS T. H. D ............................ Less than 0.35% Signal to Noise Radio ......................More than 60 dB Channel Separation.........................More than 60 dB Frequency Response ....................... 50Hz - 8,000Hz Stereo separating (FM) ......................30 dB (at 1kHz) Signal to noise ratio (FM) ...................... Better than 45 dB Output power .............................
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