Jvc-KSF-345-Service-Manual(1) 电路图 维修手册.pdf
《Jvc-KSF-345-Service-Manual(1) 电路图 维修手册.pdf》由会员分享,可在线阅读,更多相关《Jvc-KSF-345-Service-Manual(1) 电路图 维修手册.pdf(87页珍藏版)》请在收音机爱好者资料库上搜索。
1、SERVICE MANUAL COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. No.49783 2003/03 KS-F345 CASSETTE RECEIVER 49783200303 KS-F345 TABLE OF CONTENTS 1Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 2Disass
2、embly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 3Adjustment method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3、 1-12 4Description of major ICs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16 Area Suffix EE - Russian Federation SSM SCMMO S.BASS SEL AM EX FM DISP RadioFans.CN 收音机爱 好者资料库 KS-F345 1-2 (No.49783) SECTION 1 Important
4、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. RadioFans.CN 收音机爱 好者资料库 KS-F345 (No.49783)1-3 SECTION 2 Disassembly method 2.1 Main body 2.1.
5、1Removing the front panel assembly (See Fig.1) (1) Press the release button and remove the front panel as- sembly. Fig.1 2.1.2Removing 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 un
6、der 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. Fig.2 2.1.3Removing the front ch
7、assis (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. Fig.3 Front panel assembly Rel
8、ease button Bottom cover Joint b Joint b Joint c Joint a Joint a Joint d Front chassis A Joint e Joint dJoint e RadioFans.CN 收音机爱 好者资料库 KS-F345 1-4 (No.49783) 2.1.4Removing the heat sink (See Fig.4) Prior to performing the following procedure, remove the front panel assembly. (1) Remove the two scre
9、ws B and two screws C attaching the heat sink on the left side of the body, and remove the heat sink. Fig.4 2.1.5Removing 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, one screw E and three scre
10、ws F attaching the rear panel on the back of the body. Fig.5 2.1.6Removing the main board (See Fig.6) Prior to performing the following procedure, remove the front panel assembly, bottom cover, front chassis, heat sink and rear panel. (1) Remove the two screws G attaching the main board on the top c
11、hassis. (2) Disconnect the two connectors CN901 and CN721 on the main board from the cassette mechanism assembly. Fig.6 Heat sink CBC D FF E D G G Main board CN901 CN721 KS-F345 (No.49783)1-5 2.1.7Removing the cassette mechanism assembly (See Fig.7) Prior to performing the following procedure, remov
12、e the front panel assembly, bottom cover, front chassis, heat sink, rear panel and main board. (1) Remove the four screws H attaching the cassette mecha- nism assembly from the top chassis. Fig.7 2.1.8Removing the head amplifier board (See Fig.8) Prior to performing the following procedure, remove t
13、he front panel assembly, bottom cover, front chassis, heat sink, rear panel, main board and cassette mechanism assembly. (1) Disconnect the wire from CJ901 on the head amplifier board. (2) Remove the one screw J attaching the head amplifier board. (3) Move the head amplifier board in the direction o
14、f the arrow to release the two joints f, the head amplifier board can be removed. Fig.8 H H HH Top chassis Cassette mechanism assembly joint f J CJ901 Head amplifier board To head relay board joint f KS-F345 1-6 (No.49783) 2.1.9Removing the relay board (See Fig.9) Prior to performing the following p
15、rocedure, remove the front panel assembly, bottom cover, front chassis, heat sink, rear panel, main board and cassette mechanism assembly. (1) Disconnect the wire from CP722 on the relay board. (2) Remove the one screw K attaching the relay board. (3) Move the relay board in the direction of the arr
16、ow to release the joint g, the relay board can be removed. Fig.9 2.1.10 Removing the mecha bracket (See Fig.10) Prior to performing the following procedure, remove the front panel assembly, bottom cover, front chassis, heat sink, rear panel, main board, cassette mechanism assembly, head am- plifier
17、board and relay board. (1) Remove the four screws L attaching the mecha bracket. Fig.10 joint g K CP722Relay board Mecha bracket L L L L KS-F345 (No.49783)1-7 2.1.11 Removing the switch (LCD +Vcc 5Ground 6Output 2 7Negative feed back 2 8Input 2 KS-F345 (No.49783)1-23 (No.49783) AV S.BASS () a s (BEA
18、T, SOFT, POP) d MO (), ST () SSM SCMMO S.BASS SEL AM EX FM DISP p wqy 4679 ertu 8125 i;aos d 3 RU02-03KS-F345EEf.p6514/11/02, 1:48 PM3 4 CCK 1 . : 2 , . , . , . . . 2 . , (FM ), 6 8. , EX, 8. , , 9. 3 . 4 , ( 10 11.) . “” , . , , . 1 . “SEE YOU” ( ), . . AM EX FM SSM SCMMO S.BASS SEL AM EX FM DISP 1
19、32 RU04-05KS-F345EEf.p6514/11/02, 4:19 PM4 5 CCK 1 SEL () 2 . “CLOCK H” ( ) “CLOCK M” ( ). 2 . 1 “CLOCK H” ( ), . 2 . 3 . 1 “CLOCK M” ( ). 2 . 4 . DISP (). : : : DISP c co CLOCK MCLOCK H CLOCK MCLOCK H SEL SEL SSM SCMMO S.BASS AM EX FM DISP SEL c Pe ee (e ee cce) RU04-05KS-F345EEf.p6514/11/02, 2:12
20、PM5 6 CCK . : , . , . : 1 (FM1 3, AM). : FM (FM1, FM2, FM3). FM1/FM2: 87,5 108,0 FM3: 65,0 74,0 2 . , , . , , , , . : 1 (FM1 3, AM). : FM (FM1, FM2, FM3). FM1/FM2: Om 87,5 108,0 FM3:Om 65,0 74,0 , , . FM- . AM FM AM FM1FM2FM3 AM FM AM FM1FM2FM3 SSM SCMMO S.BASS SEL AM EX FM DISP RU06-08KS-F345EEf.p6
21、514/11/02, 1:51 PM6 7 CCK 2 , “M” (). 3 , , “M” (). , 5 . , 50 FM (87,5 - 108,0 ), 30 FM (65,0 - 74,0 ) 9 MW/LW , . FM: MO () , FM. MO. MO, , , , . , , MO . FM: SSM ( ) , FM, FM: SSM 6 FM FM (FM1, FM2 FM3). 1 FM (FM1 3), FM. 2 2 . FM , (FM1, FM2 FM3). 1 ( ) 6 ( ). , 1. “- -SSM- -” , , . SSM FM FM1FM
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Jvc-KSF-345-Service-Manual1 电路图 维修手册 Jvc KSF 345 Service Manual 维修 手册
收音机爱好者资料库所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。



Marshall-9100-62-02-Schematic电路原理图.pdf


