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CR-305X
Ref.NO.3654
082000
CD RECEIVER
MODEL CR-305X
Silver models
UDD,UDT 120 V AC,60 Hz
UPP 230 V AC,50 Hz
UGT,UGR 220 - 230 V AC,50/60Hz
TABLE OF CONTENTS
Specifications -----------------------------------------------------------
2
SAFETY-RELATED COMPONENT WARNING!! Caution on replacement of optical pickup -------------------------- 2
Protection of eyes from laser bam during servicing --------------- 3
COMPONENTS IDENTIFIED BY MARK ON THE Service procedures -----------------------------------------------------4
SCHEMATIC DIAGRAM AND IN THE PARTS LIST Front panel view ------------------------------------------------------ 5
ARE CRITICAL FOR RISK OF FIRE AND ELEC- Rear panel view ------------------------------------------------------- 6
TRIC SHOCK. REPLACE THESE COMPONENTS Remote controller ----------------------------------------------------7
Microprocessor connection diagram -------------------------------- 8
WITH ONKYO PARTS WHOSE PARTS NUMBERS
Microprocessor terminal descriptions ------------------------------ 9
APPEAR AS SHOWN IN THIS MANUAL. IC Block diagram and descriptions --------------------------------- 10
MAKE LEAKAGE-CURRENT OR RESISTANCE CD Mechanism exploded view -------------------------------------- 19
MEASUREMENTS TO DETERMINE THAT EXPO- Replacement of optical pickup --------------------------------------- 21
Chassis exploded view parts list ------------------------------------- 22
SED PARTS ARE ACCEPTABLY INSULATED FORM
Chassis exploded view ----------------------------------------------- 23
THE SUPPLY CIRCUIT BEFORE RETURNING THE Block diagram ---------------------------------------------------------25
APPLIANCE TO THE CUSTOMER. Wiring view ------------------------------------------------------------
26
Printed circuit board view parts list --------------------------------727
Schematic diagram (Amplifier section) ----------------------------- 29
Printed circuit board view 1-------------------------------------------31
Schematic diagram (CD & Microprocessor section) ------------- 33
Printed circuit board view 2-------------------------------------------35
Printed circuit board view 3-------------------------------------------37
CD Adjustment procedures ------------------------------------------ 39
Clock adjustment procedures ---------------------------------------- 40
Assembling of pad --------------------------------------------------- 41
packing view ---------------------------------------------------------42
CR-305X
SPECIFICATIONS
AMPLIFIER TUNER
Power Output: 2 x 20 watts at 4 ohms 1 kHz DIN Tuning range
2 x 17 watts at 6 ohms 1 kHz DIN FM: 87.9 to 107.9 MHz (200 kHz steps) AM: 530 to 1710 kHz (10 kHz steps)
2 x 15 watts at 8 ohms 1 kHz DIN (U.S. & Canadian models) (U.S. & Canadian models)
2 x 20 watts min, RMS at 4 ohms 1 kHz 87.5 to 108.00 MHz (50 kHz steps) 522 to 1611 kHz (9 kHz steps)
no more than 1 % THD (FTC rating) (Other area models) (Other area models)
2 x 25 watts at 4 ohms EIAJ Usable sensitivity
Dynamic Power: 2 x 24 watts at 4 ohms FM: Mono 11.2 dBf, AM: 30