JVC KS-FX834 free download

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KS-FX834R SERVICE MANUAL CASSETTE RECEIVER KS-FX834R Area Suffix E ---- Continental Europe Contents Safety precaution Disassembly method Adjustment method Description of major ICs 1-2 1-3 1-10 1-14 This service manual is printed on 100% recycled paper. COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. No.49571 Sep. 2000 KS-FX834R Safety precaution ! CAUTION 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 KS-FX834R Disassembly method Removing the front panel unit (See Fig.1) 1. Press the release switch and remove the front panel unit in the direction of the arrow. Fig.1 c Removing the front chassis (See Fig.2~3) 1. Remove the two screws A attaching the front chassis. 2. Insert a screwdriver to the two joints a on the side of the front chassis, two joints b on the right side and one joint c from upside, then detach the front chassis toward the front side. A a Fig.2 b a Front chassis b Fig. 3 Removing the heat sink (See Fig.4) 1. Remove the three screws B attaching the heat sink on the left side of the body, and remove the heat sink. B B B Heat sink Fig. 4 1-3 KS-FX834R Removing the bottom cover (See Fig.5) 1. Turn the body upside down. 2. Insert a screwdriver to the two joints d and two joints e on both sides of the body and the joint f on the back of the body, then detach the bottom cover from the body. Bottom cover d e f Fig. 5 Removing the rear panel (See Fig.6 ) 1. Remove the front chassis. 2. Remove the heat sink. 3. Remove the bottom cover. 4. Remove the five screws B attaching the rear panel and one screw C attaching the pine jack on the back of the body. C B B B Fig. 6 Main board assembly Removing the main amplifier board assembly (See Fig.7) 1. Remove the front chassis. 2. Remove the bottom cover. 3. Remove the rear panel. 4. Remove the two screws D attaching the main amplifier board assembly on the top cover. 5. Disconnect connector CP701 on the main amplifier board assembly from the cassette mechanism assembly. Fig. 7 CP701 D D 1-4 KS-FX834R Removing the Cassette mechanism assembly (See Fig.8) 1. Remove the front chassis. 2. Remove the bottom cover. 3. Remove the main amplifier board assembly. 4. Remove the fore screws F attaching the cassette mechanism assembly from the top cover. Cassette mechanism assembly F F F Fig. 8 F Top cover Removing the control switch board (See Fig.9 and 10 ) 1. Remove the front panel unit from the main body. 2. Remove the five screws G attaching the rear cover on the back of the front panel unit. 3. Remove the control switch board from the front panel unit. G G G Fig. 9 G LCD & Key control board Fig. 10 1-5 KS-FX834R Cassette mechanism ass'y Removing the mecha control P.W.B. (See Fig.1 and 2) 1. For the 6pin harness extending from connector CN402 on the mecha control P.W.B, disconnect it from the head relay