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Kenwood KCA-R71FM, Руководство по обслуживанию

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KCA-R71FM

8

K

L

M

N

O

1

2

3

4

5

6

7

PC BOARD (COMPONENT SIDE VIEW)

(FOIL SIDE VIEW)

C709

C708

C710

EJECT

12

3

4

5

6

DISP

VOL+

VOL-

SRC

1

3

19

68

46

45

1

CN701

D701

D708

D707

D710

D709

D712

D711

D714

D704

D716

D706

D715

D705

IC702

D702

D713

D703

CONTROL UNIT

C701

R701

R729

R730

R731

R733

R732

R726

R727

R711

R712

R713

R714

R715

R719

R707

76

100

50

75

51

1

25

26

R708

R751

BE

BE

B E

R709

R710

R734

C711

R705

R703

C703

R720

C704

R716

C707

R725

R717

C706

R724

R718

C705

R722

R737

R723

R728

R735

R736

C702 R702

R704

R706

D717

D718

D719

D721

IC701

Q703

D722

Q701

D720

Q702

CONTROL UNIT

CONTROL UNIT

Ref. No. Address

IC701

4O

Q701

6O

Q702

3N

Q703

5O

CONTROL UNIT

Ref. No. Address

IC702

7L

Refer to the schematic diagram for
the values of resistors and capacitors.

Содержание KCA-R71FM

Страница 1: ...O D U L A T O R FREQUENCY M Hz 87 7 87 9 88 1 88 3 88 5 88 7 88 9 89 1 89 3 89 5 89 7 89 9 KENWOOD CORPORATION M A D E I N K O R E A Metallic cabinet K type A01 2850 08 E type A01 2852 08 Remote controller assy K type A70 2051 05 RC 535 E type A70 2052 05 RC 525 Velcro W01 1633 08 Unit holder J19 7009 08 Serew N99 1755 08 x2 Antenna adaptor T90 0512 05 Antenna adaptor T90 0521 05 Cord with plug E3...

Страница 2: ...KCA R71FM 2 BLOCK DIAGRAM ...

Страница 3: ...01 FM Stereo Modulator IC302 1 2 Vcc Driver ALC Detection Amp IC501 System µcom IC601 6V AVR Q102 L R Mixer SW D cont off L D cont on H Q103 203 ALC Control SW Q151 251 Pre out Mute Q152 153 Pre out Mute Control Q301 Composite Buffer Q351 Temperature compensation Q303 304 Level Control SW LEVEL 1 2 L LEVEL 3 4 H LEVEL 2 4 L LEVEL 1 3 H Q305 Audio Mute Power on L Power off H Q401 402 PLL Low Pass F...

Страница 4: ... 18 PD0 O LCD CE LCD Driver CE out L 19 26 PC3 PB0 O NC Not used open L 27 PA3 I LCD DATA in LCD Driver DATA in 28 30 PA2 0 I NC Not used pull down to GND lines 31 VDD Vdd 5V 32 PQ0 O NC Not used open L 33 44 PP3 PN0 O GAIN12 1 Modulation output switching L 45 PM3 O SEP ATT When it has GAIN5 output Hi output L 46 52 PM2 PL0 O NC Not used open L 53 PK3 O RELAY Antenna relay control output terminal ...

Страница 5: ...TEM INPUT SETTINGS OUTPUT SETTINGS MODULATOR POINTS ALIGN FOR FIG FREQ L R Balance CD CH cignal off Connect a 1 Adj Tr No 29 or Pause Oscilloscope 88 3MHz VR301 Min Level a to Q301 Base 1 Ref FM 1kHz 80dBµV Connect a Difference between 2 Moduration Stereo CD CH Tr No 1 AC voltmeter 88 3MHz VR302 FM and a CD CH level Adj 2 D Cont Off MOD Lv 2 to Receiver PreOut level is adjusted to 0 5 1 0dB After ...

Страница 6: ...05 R107 R105 C106 C103 C203 C313 C315 R325 C314 C306 R324 C602 C603 C118 C120 C309 C304 C312 R220 C214 R215 R217 R118 R117 R115 C114 R120 C308 R302 X301 R406 R404 R402 C415 C404 R152 R153 R154 R254 R155 R255 C154 C254 R301 R303 R304 C303 C302 VR301 C153 C253 C405 C402 C401 R116 R108 R112 C107 R113 C108 R110 R210 C207 R212 R208 R209 R327 C208 R213 C209 C212 C218 C220 C301 C112 R109 C109 Q501 STK402...

Страница 7: ...KCA R71FM 7 J I H G F 1 2 3 4 5 6 7 PC BOARD FOIL SIDEVIEW FM MODULATOR UNIT ...

Страница 8: ...R731 R733 R732 R726 R727 R711 R712 R713 R714 R715 R719 R707 76 100 50 75 51 1 25 26 R708 R751 B E B E B E R709 R710 R734 C711 R705 R703 C703 R720 C704 R716 C707 R725 R717 C706 R724 R718 C705 R722 R737 R723 R728 R735 R736 C702 R702 R704 R706 D717 D718 D719 D721 IC701 Q703 D722 Q701 D720 Q702 CONTROL UNIT CONTROL UNIT Ref No Address IC701 4O Q701 6O Q702 3N Q703 5O CONTROL UNIT Ref No Address IC702 ...

Страница 9: ...0 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10µF 10 50 20 20 0 Less than 4 7µF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS EX C C 7 3...

Страница 10: ...015 C209 470 R217 3 6K R116 470 R117 R118 2 2K C115 1 R121 47K 13 R304 IC301 NC NC 4 3 2 1 13 12 8 11 7 10 6 9 5 C501 CH DATA C POW 0 047F16 S RE 21 C504 32 31 30 29 28 27 26 25 SC501 24 23 22 VDD 5V LCD DATA IN 39 38 37 36 35 34 33 0 022 39 GAIN4 GAIN5 GAIN6 GAIN7 GAIN8 GAIN2 GAIN3 16 LCD CE LCD RESET LCD CLK 20 19 18 17 LCD DATA OUT CHCLK CH DATA H 15 14 13 12 RE FM IN EO1 9 CHCON REQH 11 10 REQ...

Страница 11: ...R411 0 022 C416 22K R401 560 R403 4 7u50 C405 10u25 100K 220 R412 1 5K R413 15P C412 220u10 C415 220u10 C417 220u10 C607 1K R613 R614 1K 0 1 C608 4 7K R612 10K R606 R605 10K 10K R604 100u10 C603 4 7K R603 10K R601 1000u16 C602 100uH L601 IN OUT GND 4 7K R602 10K R611 R608 4 7K R607 4 7K 0 1 C604 GND 3 BATT FUSE1 3A 2 ACC FUSE2 3A 1 560 R310 C304 1 5K R302 220u10 45 100 R407 1K R301 R327 4 7 RY401 ...

Страница 12: ... 11 10 12 20 14 16 15 18 17 19 21 23 22 25 24 26 27 47K R737 8 5 7 6 4 3 2 1 C707 0 1 390 R704 330 KCA R71FM KDC C521FM KDC C471FM K M K E K E DESTNATION KDC C521FM KCA R71FM J J 220 150 R705 710 B30 1567 05 716 D704 B30 1690 05 CN701 D717 RESET Q701 GND LINE B LINE IC701 IC702 NJL67H380A LC75808W KTC3875S Q702 Q701 KRA303 B30 1698 05 D704 716 D701 702 KDS122 D717 722 1 2 UNIT SKT401 MODULATOR REM...

Страница 13: ...S1 1 S1 KS1 KS2 KI4 KI3 KS3 KS4 KS5 KI2 KI1 S57 S57 67 68 65 66 64 S59 S60 S58 60 63 62 61 S58 S59 S60 58 59 57 S44 S44 S50 S50 S55 S56 S54 S52 S53 S51 53 S54 S56 S55 55 56 54 S51 S52 S53 52 50 51 44 47 S49 S47 S48 S46 S45 46 S47 S49 S48 48 49 S45 S46 45 S37 S37 S42 S43 S41 S39 S40 S38 40 S41 S43 S42 42 43 41 S38 S39 S40 39 37 38 S36 S34 S35 S32 S33 S31 33 S34 S36 S35 35 36 34 S31 S32 S33 32 30 31...

Страница 14: ... N82 2005 45 N82 2008 43 N82 3010 45 N86 2606 45 N86 2606 48 LCD1 AT1 FMM CN701 COMMANDER E type only 424 E type only Please cut a tip E E E 401 422x2 414 E D 702 A A F F 731 735 Bx2 B 419 420 407 417 417 418 408 411 416 415 415 406 PA1 B C C 403 443 732 444 442 446 441 747 712 E Parts with the exploded numbers larger than 700 are not supplied EXPLODED VIEW ...

Страница 15: ...PF J C103 CE04BW1H4R7M NP ELEC 4 7UF 50WV C104 CK73GB1C104K CHIP C 0 10UF K C106 CE04DW1H010M ELECTRO 1 0UF 50WV C107 CK73GB1H472K CHIP C 4700PF K C108 CC73GCH1H180J CHIP C 18PF J C109 CK73GB1H153K CHIP C 0 015UF K C112 CE04DW1E220M ELECTRO 22UF 25WV C114 CC73GCH1H681J CHIP C 680PF J E C114 C93 1371 08 CHIP C 1000PF J K C115 CK73GB0J105K CHIP C 1 0UF K C118 C91 2274 08 MP F C 0 22UF J C120 CE04DW1...

Страница 16: ... J 1 10W R220 RK73GB2A753J CHIP R 75K J 1 10W R252 RK73GB2A471J CHIP R 470 J 1 10W R254 RK73GB2A473J CHIP R 47K J 1 10W R255 RK73GB2A101J CHIP R 100 J 1 10W R301 RK73GB2A102J CHIP R 1 0K J 1 10W R302 RK73GB2A152J CHIP R 1 5K J 1 10W R303 304 RK73GB2A103J CHIP R 10K J 1 10W R306 RK73GB2A682J CHIP R 6 8K J 1 10W R307 RK73GB2A683J CHIP R 68K J 1 10W R308 RK73GB2A155J CHIP R 1 5M J 1 10W R309 RK73GB2A...

Страница 17: ...6EV ZENER DIODE ZD518 KDZ5 6EV ZENER DIODE ZD601 602 KDZ5 6EV ZENER DIODE ZD603 KDZ8 2EV ZENER DIODE 441 2A B11 1465 08 REFLECTION SHEET 442 3A B11 1466 08 OPTICAL DIFFUSER 443 3A B11 1467 08 REFLECTION SHEET 444 3A B19 2271 08 LIGHTING BOARD D701 702 B30 1698 05 LED D703 B30 1564 05 LED D704 716 B30 1567 05 LED LCD1 3A B38 1161 08 LIQUID CRYSTAL C701 703 CK73GB1C104K CHIP C 0 10UF K C704 CC73GCH1...

Страница 18: ...NG KONG LTD Unit 3712 3724 Level 37 Tower 1 Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS THAILAND CO LTD 956 Udom Vidhya Building Olympia Rama IV Road Silom Bangrak Bangkok 10500 Thailand KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Genting Lane 07 00 Kenwood Building Singapore 349544 KENWOOD ELECTRONICS MALAY...

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