JVC-RCBX30-cs-sch维修电路原理图.pdf

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1、No.21171SCH Dec. 2002 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD. SCHEMATIC DIAGRAMS Contents Block diagram Standard schematic diagrams Printed circuit boards 2-1 2-2 2-8 11 CD-ROM No.SML200212 RC-BX30 RC-BX30 Area suffix UJ - U.S.Military CD PORTABLE SYSTEM RadioFans.CN 收音机爱 好者资料库 RC-BX30 2-6 In r

2、egard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the mark nearby are critical for safety. (This regulation does not correspond to J and C

3、version.) RadioFans.CN 收音机爱 好者资料库 RC-BX30 2-1ABCDEFG 1 2 3 4 5 17 16 IC101 LA1824 2 4 124 5710 T102 T101 CF101 11 CF102 CN101 Tuner board L103 L1 ROD. ANT. IC201 AN7312 811 4 X S N SW201A ERASE HEAD L-CH R/P HEAD CN201 7 CN203 Cassette board SW201D 62 711 CD player CN302 CN501 CN401 CN301 Main board

4、 SW201B FM. SW Block diagram MW FM RF/IF/MPX AM RF/IF/DET R/P SYSTEM IC401 TA8227P POWER AMP. RC-BX30 2-2 RC-BX30 HABCDEFG 1 2 3 4 5 Parts are safety assurance parts. When replacing those parts, make sure to use the specified one. RADIO SIGNAL TAPE PB SIGNAL CD SIGNAL TAPE REC SIGNAL MAIN SIGNAL Fro

5、m Cassette board CN203 From Tuner board CN101 Main board From CD module To Cassette board CN204 0V 0.59V 5.68V 11.02V 10.6V 0V 0V 0.59V 5.7V 11.1V 10.7V 6.03V 2.27V 1.5V 0.93V 2.3V 1.5V 0.93V 9.13V 4.04V 3.38V10.5V3.38V 3.9V 11.1V9.12V 10.6V 11.1V6.16V 6.76V Standard schematic diagrams Main section

6、RC-BX30 2-3ABCDEFG 1 2 3 4 5 FM SIGNAL MW/SW SIGNAL RADIO SIGNAL To Main board CN301 1.28V 1.28V 5.43V 5.44V 5.44V 0V 5.44V 0V 0V 1.28V 1.28V 0.5V 0V 0V 5.44V 5.44V 5.44V 0.36V 1.26V 1.42V 1.4V 0.59V 3.64V 5.44V 0.7V 3.13V 1.4V 0V 0V 0V 5.44V 4.78V5.4V 4.8V 5.4V5.4V 5.4V 0V 5.4V Tuner section RC-BX3

7、0 2-4 RC-BX30 HABCDEFG 1 2 3 4 5 Parts are safety assurance parts. When replacing those parts, make sure to use the specified one. TAPE PB SIGNAL TAPE REC SIGNAL To Main board CN302 To Main board CN303 0V 0V 0V 2.67V 1.38V 1.26V 0V 5.15V 5.11V 0V 2.6V 1.38V 1.26V 0V 5.71V 6.08V 6.1V 0V 5.9V 6.1V 0V

8、0V 0V 0V 0V 0V Cassette section RC-BX30 2-5ABCDEFG 1 2 3 4 5 CD SIGNAL Display & Key board To Main board From CD module Micro switch board 0.07V 0.4V 0.012V 0.18V 0.012V 3.03V 0.019V 0.5V 0.012V 0.012V 0.012V 5.0V Display & Key section RC-BX30 2-6 RC-BX30 HABCDEFG 1 2 3 4 5 Printed circuit boards Ma

9、in boardTuner board RC-BX30 2-7 ABC 1 2 3 4 5 Cassette board RC-BX30 2-8 ABCD 1 2 3 4 5 Micro switch boardDisplay board RC-BX30 2-9 VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,maebashi-city,371-8543,Japan 200212 No.21171SCH RC-BX30