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KS-F383R,KS-F380R SERVICE MANUAL CASSETTE RECEIVER 02 49813 2003 KS-F383R,KS-F380R Area Suffix E ---- Continental Europe EX -------- Central Europe FM LOUD AM SEL SSM DISP TP PTY MO SCM Model KS-F383R KS-F380R Illumination color Amber Green TABLE OF CONTENTS 1 2 3 4 Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Adjustment method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12 Description of major ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16 COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD. No.49813 2003/03 KS-F383R,KS-F380R SECTION 1 Important Safety Precautions 1.1 Safety Precautions ! Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. 1-2 (No.49813) KS-F383R,KS-F380R SECTION 2 Disassembly method 2.1 Main body 2.1.1 Removing the front panel assembly (See Fig.1) (1) Press the release button and remove the front panel assembly. Front panel assembly Release button Fig.1 2.1.2 Removing the bottom cover (See Fig.2) · Prior to performing the following procedure, remove the front panel assembly. (1) Turn the body upside down. (2) Insert a screwdriver under the joints to release the two joints a on the left side, the two joints b on the right side and the joint c on the back of the body, then remove the bottom cover from the body. CAUTION: When releasing the joint c using a screwdriver, do not damage the main board. Bottom cover Joint b Joint a Joint b Joint a Joint c Fig.2 2.1.3 Removing the front chassis (See Fig.3) · Prior to performing the following procedure, remove the front panel assembly and bottom cover. (1) Remove the screw A on each side of the body. (2) Release the two joints d and two joints e on the sides, then remove the front chassis toward the front. Joint d Joint e A Joint d Joint e Front chassis Fig.3 (No.49813)1-3 KS-F383R,KS-F380R 2.1.4 Removing the heat sink (See Fig.4) · Prior to performing the following procedure, remove the front panel assembly. (1) Remove the two screws B and two screws C attaching the heat sink on the left side of the body, and remove the heat sink. C B C Heat sink Fig.4 2.1.5 Removing the rear panel (See Fig.5 ) · Prior to performing the following procedure, remove the front panel assembly and bottom cover. (1) Remove the two screws D, screws E and screw F attaching the rear panel on the back of the body. D F Rear panel E Fig.5 2.1.6 Removing the main board (See Fig.6) · Prior to performing the following procedure, remove the fro