Kenwood-KGC-4042-A-Service-Manual 电路图 维修手册.pdf
《Kenwood-KGC-4042-A-Service-Manual 电路图 维修手册.pdf》由会员分享,可在线阅读,更多相关《Kenwood-KGC-4042-A-Service-Manual 电路图 维修手册.pdf(8页珍藏版)》请在收音机爱好者资料库上搜索。
1、KGC-4042A 2001-8 PRINTED IN JAPAN B51-7838-00 (4) 3395 GRAPHIC EQUALIZER SERVICE MANUAL C Knob (FAD) (K29-5541-08) Trim plate (A21-0474-03) Screw set (N99-1543-08) Bracket (J21-3693-04) Power connection cord (E30-3654-08) RCA pin cord (IN) (E30-3646-08) RCA pin cord (OUT, F) (E30-3647-08) RCA pin co
2、rd (OUT, R) (E30-3648-08) RCA pin cord (OUT, SUB) (E30-3649-08) Metallic cabinet (A01-2568-08) RCA pin cap (F29-0049-05) Knob (SUB) (K24-0710-08) Knob (EQ) (K24-0700-08) Panel assy (A64-0071-08) REVISED S/No. 10700001 RadioFans.CN 收音机爱 好者资料库 2 KGC-4042A BLOCK DIAGRAM Lch Rch INPUTISO IC4 NJM2060MUPC
3、4570G2 EQ IC5 SW1 LchEQB.P.F RchEQB.P.F 2SC2712 Q201-205 Q251-255 2SC2712 SW3 (OR) LAMP3,4LED1-5 LAMP1,2 (GR) EQ POWER Q5 Q4 Q32SC2060 DTA114ES DTC114ES SUPPLY 2SC1741A 2SC4640Q1 Q2 ACC GND P. C MUTE DRIVE 2SA1782 Q6,7 FILTER H.P. SWITCHING TR LED6,7 A.M.P BUFFER SW2 WOOFER SUB MUTE FILTER L.P. NJM2
4、068MD IC3 2SC3327-A Q8,9 MUTE NJM2068MD IC2 2SC3327-A Q10,11 TR 2SC3327-A Q12 Rch Lch SUB Lch Rch REAR Rch Lch FRONT ON OFF +B OFF ON 30150Hz PRE. GND METER LED SUPPLY RadioFans.CN 收音机爱 好者资料库 BCADEFGHIJ 2 4 3 5 6 7 1 34 PC BOARD (Foil side view) Refer to the schematic diagram for the values of resis
5、tors and capacitors. PC BOARD (Component side view) ELECTRIC UNITELECTRIC UNIT C2 C52 C3 C53 C4 C54 C5 C55 C96 C97 C11 C61 C12C13 C14 C62 C63 C64 C16C66 C81 C82 C83 C84 C88 C85 C86 C87 C89 R91 R92 R104 R105 R106 R93 C90 C93 C95 C94 C98 LAMP1LAMP2 LAMP3LAMP4 R108 C203 C253C202C252 C204 C254 C206 C256
6、 ORGR (FRONT)(REAR) (SUB.W) BE BE BE BE BE BE BE BEBE +B GND P.CON A B C DE A FR G1 4 9 91 EB VR1 EB EB 1 1 611616 2 1 414141 14 CN1CN2CN3 CN4 CN14 CD14A SW2 SW1 CN15 D1 Q3 Q4 Q5 D4 D2 D3 D5 D6 Q6 Q7 D7 Q1 Q2 Q12 Q10 Q11 SW3 CN10 CN11 CN12 Q8Q9 CN9 CN13 EQ ON SUB EQ ON/OFF PWB MAIN PWB R54 R53 R55R5
7、 R3 R4 R203R253 R21R201 R204 R202 R1 C1 C100 C51 R51 C101 R101 R102 R252 R251 R71 R103 R254 R85 R86 R67R17 R100 R10R60 R270 R271 R267 R268 R264 R265 R261 R262 R269 C261 R266 C259 R263 C257 R260 C255 R257 R97 R258 R259 R94 C92 R96 R124 R14 R64 R222 R205 R219 R206 C211 R220 R221 R217 R218 R214 R215 R2
8、11 R212 R208 R216 C209 R213 C207 R210 C205 R207 R209 R59 R62 R20 R12 R9 R107 R84 R82R81 R87 C150 R7 R6 R8 R57 R56 R58 R88 R89 R256 R99 R98 C258C260 R63 C91 R95 R272 R255 C210 C208 R90 R16 R15 R18 R19 R61 C65 R70 R69 R68 R65 R66 R11 C15 R83 R150 R13 BEBEBEBEBE BEBEBEBEBE 17 814 14 85 14 58 58 41 14 5
9、8 IC2 IC1 IC4 IC5 IC3 Q255 Q254 Q252 Q253 Q251 Q202 Q204 Q205 Q203 Q201 MAIN PWB EQ ON/OFF PWB Refer to the schematic diagram for the values of resistors and capacitors. Ref. No. Address Q1 3B Q2 3B Q3 3C Q4 3C Q5 3C Q6 4C Ref. No. Address Q7 3B Q8 4D Q9 5D Q10 4B Q11 4B Q12 3C Ref. No. Address IC1
10、3I IC2 4I IC3 4H IC4 3G IC5 4I Ref. No. Address Q201 5J Q202 5J Q203 5J Q204 5J Q205 5J Q251 4G Q252 4G Q253 4G Q254 4G Q255 4G RadioFans.CN 收音机爱 好者资料库 BCDEFGHIJA 2 4 3 5 6 7 1 KGC-4042A CAUTION: For continued safety, replace safety critical components only with manufacturers recommended parts (refe
11、r to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage- current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer. DC voltages are as measure
12、d with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. CN4 IC4(1/4) IC4(2/4) IC4(3/4) IC4(4/4) Q201Q202Q203Q204Q205 IC5(1/2) Q251Q252Q253Q254Q255 IC5(2/2) SW2 SW3 LAMP EQ IC2(1/2) IC2(2/2) Q8 Q9 CN1 CN2 CN3 Q11 Q10 Q12 IC3(1/2) IC3(
13、2/2) SW1 CN14 CD14A Q1 Q2 D1 D2 Q3 Q4 Q5 D4 D6 D5 D7 D3 IC1(1/2) CN9CN10CN11CN12CN13 LED1LED2 LED5LED4LED3 LED7LED6 ISO BUFF BUFF BUFF BUFF MUTE MUTE HPF SW EQ AMP EQ AMP 1/2 VCC Q7 Q6 LAMP/ DRV LED SUBWOOFER FREQ. SUBWOOFER LEVEL L R FRONT REAR R L SUB R L L R INPUT IC1: NJM4580MD IC2,3: NJM2068MD
14、IC4: NJM2060M IC5: UPC4570G2 Q1: 2SC4640(T.U) Q2: 2SC1741A(R) Q3: 2SC2060 Q4: DTA114ES Q5: DTC114ES Q6,7: 2SA1782(T.U) Q8-12: 2SC3327-A Q201-205,251-255: 2SC2712(GR) D1,2: DSK10C-ET1 D3: MTZJ4.3A D4-6: 1SS133 D7: MTZJ5.1B LED1-5: AY3802K LED6,7: PY3822K CN15 SUB 502008003.2K12.8K 5012.8K8002003.2K B
15、 LINE GND LINE SIGNAL LINE 4 3 2 1 470P C1 1K R1 100u25 + C3 4.7u50 + C2 10K R21 1K R51 + 4.7u50 C52 + 100u25 C53 C51 470P R71 10K 0.1 C101 0.1 C100 10 9 4 8 13 12 14 1.5K R202 1.5K R201 1.5K R204 R203 1.5K 6 5 7 2 3 1.5K R252 1 11 1.5K R251 1.5K R254 R253 1.5K C96 220u10 + C97 10u50 + R207 180R208
16、2.2K R209 33K 0.33 C203 4.7u50 C202 + 13 R212 33K R211 2.2KR210 150 0.1 C205C204 + 1u50 14 R218 39K R217 4.7K R214 4.7K R215 39K R213 560 3900P C207 R216 560 C209 1000P C206 + 0.47u50 15 C208 0.1 16 R221 33K R220 4.7KR219 680 270P C211 0.033 C210 21 3 2 8 1 22u25 + 4.7K R20510u50 + 150K R222 11 12 4
17、.7K R206 4.7u50 C252 C254 1u50 C256 0.47u50 C258 C260 0.33 R258 2.2KR257 180 C253 R259 33K R261 2.2KR260 150 C255 0.1 R265 39K R262 33K R264 4.7KR263 560 3900P C257 R269 680R270 4.7K R268 39K R267 4.7K 1000P R266 560 C259 R271 33K C261 270P 150K R272 10u50 + R255 4.7K 22u25 + 4.7K + 31 1 + 22 23 6 5
18、 R256 7 4 + 24 0.1 25 0.033 26 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 22u25 + C61 C11 + 22u25 R3 10K R5 100K R4 10KR54 10K R55 100K R53 10K (GR)(OR)(OR)(GR) 15 A R91 110 110 R92 ECBD ON C5 C4 C55 1u50 + C12 270K R7R6 3K 30K R8 0.1u50 + C13 1u50 + C14 10K R10 R20 270K 2 3 8 1 C15 2200P R11 1.5K 1u50 C62
19、 R61 1.5K 30K R57 270K R56 3K R58 C63 + 270K R60 10K R70 1u50 + C64 5 6 4 7 C65 2200P 0.1u50 R67 33K R17 33K 560 R13 22u25 + C16 22K R12 10K R14 22u25 C66 + R63 560 22K R62 R64 10K 1K R15 1K R16 (1/2) VR1 R18 11K R19 11K 1K (2/2) VR1 R66 1K R65 11K R68R69 11K 4 3 2 1 3 1 2 4 2 1 3 4 470 R150 0.01 C1
20、50 R103 10K R101 22K 560 R102 10u50 C95 + 2 3 4 1 R99 R98 3.3K R100 0.47u50 + C93 0.22u50 C94 + 3.3K R97 R95 100K R124 1K R96 6 5 8 7 470P C92 100K 100K 6.8K C91 3300P C90 1u50 + 220 R84 22u25 + 10K4.7K R81 1 2 3 470u16 C82 + 0.047 C81 0.022 C83 R82 2.2K R83 47u16 C84 + 330u25 + C88 1K 10K R85 R86 4
21、.7K R107 R89 10 3.8K R90 R88 47K R87 33u50 + C89 470u16 C86 + 1000u16 + 18K R84 C85 5 6 8 7 100u25 C87 + 211234561234561234561234 14 1 13 12 11 21 16 15 25 26 22 23 24 31 470 R104 820 R93 R105 1.5K 34 35 36 34 35 36 44 41 42 44 41 42 2 5 4 3 6 4 2 3 5 6 15K(B) VR2(6/7) 15K(B) VR2(6/7) 20K(B) VR2(7/7
22、) 150Hz 30Hz ON Q12 Q8,9 IC4 VR2(6/7) VR2(7/7) GND BATT P. CON +B+B +B +B +B +B +B +B +B+B+B +B +B LAMP1LAMP2LAMP4LAMP3 GR OR 1.5K R106 F R FADER LH: ON +B R108 C98 C54 VR2(1/7) VR2(2/7) VR2(3/7) VR2(4/7) VR2(5/7) R9R59 1.5K1.5K 120K +B +B +B +B +B +B +B +B +B G1 KGC-4042A 3.4V 3.4V 12.6V 3.4V 3.4V
23、3.4V 3.4V 3.4V 3.4V 3.4V 0V 3.4V 3.3V 12.6V 2.7V 12.6V 5.0V 4.0V 3.4V 5.0V 4.0V 3.4V 0V 12.6V 3.4V 3.4V 3.4V 3.4V 3.4V3.4V 0V 3.6V 12.6V 3.4V 3.4V 0V 3.6V 3.6V 3.6V 0.7V 0.7V 1.4V 14.4V 13.5V 14.4V 14.4V 0V 14.2V 14.4V 0V 10.0V 13.6V 0V 8.9V 13.6V 12.6V 3.4V 3.4V 3.4V 10K 10K 10K 10K E C B 2SC1741A(
24、R) 2SC2060 DTA114ES DTC114ES E C B B E C 2SC2712(GR) 1 4 NJM2068MD UPC4570G2 5 8 1 7 8 NJM2060M 14 KGC-4042A 7 EXPLODED VIEW B B 3 3 1 1 A FADER SUB EQ. ILLUM A D C C B D B 502008003.2K12.8KFREQLEVEL B B A B C D 2.6x5 (F-Tap) BLK 3x5 (Bi-Tap) BLK 3x4 (Bi-Tap) 3x4.5 RIVET : N85-2605-45 : N86-3005-45
- 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:
- Kenwood-KGC-4042-A-Service-Manual 电路图 维修手册 Kenwood KGC 4042 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


