Kenwood KRC-20SA Скачать руководство пользователя страница 1

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CASSETTE RECEIVER

KRC-20SA/G

SERVICE MANUAL

40Wx4

HIGH POWER

KRC-20S

LOUD

PWR

OFF

AME

AUTO

ADJ

CLK

SRC

AUD

T. CALL

A. ADJ

CRSC

REW

P R

O G

Lever
(D10-3031-04)x2

Plastic cabinet assy
(A02-1486-13)

Escutcheon
(B07-2124-02)

Knob (ATT)
(K25-1388-03)

Cassette lid
(A53-1638-13)

Panel assy
(A64-2519-02)

Mounting hardware assy
(J21-9491-13)

DC cord
(E30-4959-05)

Antenna adaptor
(T90-0523-05)

Содержание KRC-20SA

Страница 1: ... KRC 20S LOUD PWR OFF AME AUTO ADJ CLK SRC AUD T CALL A ADJ CRSC REW PR FF OG Lever D10 3031 04 x2 Plastic cabinet assy A02 1486 13 Escutcheon B07 2124 02 Knob ATT K25 1388 03 Cassette lid A53 1638 13 Panel assy A64 2519 02 Mounting hardware assy J21 9491 13 DC cord E30 4959 05 Antenna adaptor T90 0523 05 ...

Страница 2: ...GND FM B AM B OSC GND OSC GND OSC GND VT PLL B IFC OUT SDA SCL DIG GND IF1 B IF1 GND S METER IF2 GND SD FM B SW5V ACC DET B U DET SCL MUTE SDA P CON PANEL HOLD L CLK L DATA S L DATA L FWD REV MOTOR Rch COM Lch MP IN AM MPX OUT RR OUT LR OUT RF LEVEL SCL SDA OUT LF STBY MUTE Rch Lch T MUTE FWD REV B U 5V B U 8V B U S MUTE 4 6 5 B U 5V AM B VDD 5V PACK IN L RES ANT CON BEEP SVR AMP STBY SVR AC GND B...

Страница 3: ...N2213 or KRC104S COM B SW While Q54 s base becomes Hi Q55 is turned on Q55 DTA124EK or UN2112 or Works during POWER ON mode KRA103S 2SA2057 or 2SB1548 P or Q56 2SB1565 E F or While Q57 s base becomes Hi Q56 is turned on 2SB1655 E F COM B AVR Q56 and Q57 is inverted Darlington connection Q57 2SC2412K or 2SD601A Q58 DTC144EK or UN2213 or KRC104S Illumination B SW While Q58 s base becomes Hi Q59 is t...

Страница 4: ...to the set a base becomes Lo and Q320 is turned on Q350 2SB1277 Q R P CON driver When Q353 s base becomes Hi Q350 is turned on Q351 2SA1037K P CON protection SW Works when P CON is being short circuited on GND Q352 DTA124EK or UN2112 or KRA103S P CON protection inhibit SW Inhibits protection SW function when P CON works momentary Q353 DTC114YK or UN2214 or Q353 is turned on when a base becomes Hi ...

Страница 5: ...n input Lo Pack in 28 FF REW I FF REW detection input Lo FF REW Hi PLAY 29 GND I Connected to GND lines 30 GND I Connected to GND lines 31 VDD Positive power supply connection terminal Connected to B U 5V lines 32 REQ C I Request input from changers Lo Request 33 MUTE O Audio mute on off output Hi Mute ON 34 CH CON O Changer control Lo Standby Hi ON 35 REQ H O Request output to changers Lo Request...

Страница 6: ...Lo B U ON 63 S METER I S meter input from the F E 64 PANEL I Panel detaching detection input Lo Panel not detached 65 GND I Connected to GND lines 66 GND I Connected to GND lines 67 HOLD I MI COM HOLD input Lo Hold 68 VDD VDD connection terminal Connected to B U 5V lines 69 GND I Connected to GND lines 70 GND I Connected to GND lines 71 72 O N C Not used 73 VDD Positive power supply connection ter...

Страница 7: ...UDNESS OFF FADER center position TREBLE center position 2 LINE TAPE B A B A FWD RVS HEIGHT FWD HEIGHT AZIMUTH FWD HEIGHT AZIMUTH RVS TAPE SPEED HEIGHT RVS F F R R TEST MODE ADJUSTMENT 7 ITEM TAPE OUTPUT SETTINGS RECIEVER SETTINGS ALIGNMENT POINTS No HEAD HEIGHT HEAD AZIMUTH SCC 1659 TCC 153 10kHz Connect an AC voltmeter and oscilloscope to SP outputs TAPE PLAY TAPE PLAY Head Height Screw Head Azim...

Страница 8: ...D13 X16 1492 xx J74 1298 02 PC BOARD Refer to the schematic diagram for the values of resistors and capacitors COMPONENT SIDE VIEW FOIL SIDE VIEW 8 X16 1492 xx J74 1298 02 R13 R14 R18 R8 R11 R12 R19 C4 C2 C1 C5 R3 R4 R2 R1 R21 R20 R5 R6 C6 64 49 48 12 33 16 1 17 32 11 1 2 E B Q1 IC1 D17 J1 Ref No address IC1 3D Q1 4D X16 1492 xx ...

Страница 9: ...59 W133 W119 R413 C202 R16 R13 W111 W121 R372 R151 C101 C600 R324 C163 R161 W135 R102 R118 R119 R115 R114 R126 R52 R54 R105 R106 R103 R207 R206 C164 R352 R320 C155 C154 C157 C156 C153 C151 C506 R127 R154 R150 R153 R322 R401 R400 R408 R409 R407 R406 R412 R410 R411 R303 R304 R306 R305 R403 R301 R402 R321 W129 C54 R63 R64 R57 W114 C52 W116 R201 R203 R200 C200 C452 C201 R205 R455 R453 R454 R451 R450 R...

Страница 10: ...0 22 1u50 C152 24 IF1 GND IF2 GND 0 01 C200 W200 0 01 C201 22K R203 22K R201 1K R202 1K R200 R205 150 9 8 L9 4 7uH 63 10 C206 47u10 1 2 3 4 5 FWD REV GND HEAD R HEAD COM HEAD L 0 047 C251 10K R251 1500P C2 1500P C1 22K R1 22K R2 12 11 10 9 8 7 6 5 4 3 2 1 PAN SW L DATA S L CLK L CE L DATA L u GND PAN5V RESET ILL GND LAMP B ESD GND R322 2 2K R301 1K R303 1K R305 1K R304 1K 27K 47K R320 R321 R324 10...

Страница 11: ...COM2 COM3 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 12 13 14 15 16 R20 S2 S3 32 KS1 KS2 KS3 KS4 KS5 49 Q1 KS6 55 TEST J1 Q1 2 1 CLK ATT AM 6 5 VOL FM AUDIO D17 D1 13 15 Q1 UN2111 or KRA102S IC1 J3 X14 1 2 AUTO VOL T UP 4 3 T DOWN SRC RST D1 D4 D6 D5 D8 D7 D9 D11 D12 D13 D14 D15 D10 D2 D3 D17 D14 MA3062 M DTA114EK or LC75853NE KEY MATRIX PERMISSION SW LCD DRIVER WITH KEY MATRIX...

Страница 12: ...e exploded numbers larger than 700 are not supplied A B 1 2 3 31 54 4 99 101 115 53 111 102 102 12 103 111 31 33 14 102 114 52 39 10 40 34 58 57 39 9 35 112 113 7 6 26 25 HD1 56 100 106x2 37 36 38 M1 20 5 1 23 22 105x2 113 112 16 18 17 19 102 104 14 ...

Страница 13: ... φ3x8 φ3x20 φ2 6x6 M3x8 N30 3004 46 N83 3005 46 N35 3010 46 N80 3008 46 N83 3020 46 N86 2606 46 N30 3008 46 A B C D E F K B B B B X14 Ax2 Ax2 737 K K Refer to the following page ME1 A1 F1 244 211 DC1 242 206 201 221 766 216x2 X14 J1 X14 X14 J5 X14 J4 X14 772 X14 771 X14 770 X14 773 X14 J2 X14 L1 724 702 B B E D Cx2 Fx2 263 ...

Страница 14: ...700 are not supplied E F 1 2 3 G J H G φ2x6 φ1 5 φ2x8 BLK N80 2006 46 N29 0205 04 N80 2008 45 G H J Jx2 Jx2 203 228 218 219 229 217 704 767 X16 X16 X16 277 X16 278 X16 279 X16 ED1 X16 276 780 207 230 241 253 709 249 222 205 PA1 250 246 252 251 254 248 251 255 227 227 227 247 226 ...

Страница 15: ...APTITE SCREW K 1D N30 3008 46 PAN HEAD MACHINE SCREW Ref No A d d N e w Parts No Description Dest inati on 263 1C T90 0523 05 ANTENNA ADAPTOR C1 2 CK73GB1H152K CHIP C 1500PF K C3 4 CE04CW0J470M ELECTRO 47UF 6 3WV C5 6 CC73GCH1H101J CHIP C 100PF J C7 8 CK73GB1E223K CHIP C 0 022UF K C7 8 CK73GB1H223K CHIP C 0 022UF K C9 10 CE04CW1A101M ELECTRO 100UF 10WV C13 14 CK73GB1A224K CHIP C 0 22UF K C15 18 C9...

Страница 16: ...2E101J CHIP R 100 J 1 4W R158 RK73GB2A333J CHIP R 33K J 1 10W R159 RK73GB2A104J CHIP R 100K J 1 10W R160 RK73GB2A473J CHIP R 47K J 1 10W R200 RK73EB2E102J CHIP R 1 0K J 1 4W R201 RK73EB2E223J CHIP R 22K J 1 4W R203 RK73EB2E223J CHIP R 22K J 1 4W R205 RK73EB2E151J CHIP R 150 J 1 4W R206 RK73GB2A472J CHIP R 4 7K J 1 10W R207 RK73GB2A272J CHIP R 2 7K J 1 10W R250 RK73FB2B100J CHIP R 10 J 1 8W Ref No ...

Страница 17: ...icles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert Ref No A d d N e w Parts No Description Dest inati on IC5 LA3161 IC PREAMP 2 Q50 2SC2412K TRANSISTOR Q50 2SD601A TRANSISTOR Q51 2SB1443 TRANSISTOR Q52 2SC2412K TRANSISTOR Q52 2SD601A TRANSISTOR Q53 DTA114YK DIGITAL TRANSISTOR Q53 KRA107S DIGITAL TRANSISTOR Q53 UN2114 DIGITAL TRANSISTOR Q54 DTC144EK...

Страница 18: ...d N e w Parts No Description Dest inati on 7 2B D13 1323 08 GEAR 9 2B D10 4200 08 ARM ASSY F 10 2A D10 4201 08 ARM ASSY R 12 3A A11 0930 08 SUB CHASSIS CALKING ASSY 14 3A J26 4018 08 PRINTED WIRING BOARD ASSY 16 1B G01 2826 08 TORSION COIL SPRING 17 1A D10 4094 08 SLIDER 18 1B D10 4095 08 SLIDER 19 1A D10 4096 08 ARM 20 1A J19 4736 08 HOLDER ASSY 22 2A G01 2827 08 TENSION COIL SPRING 23 2A D10 409...

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