Kenwood KRC-28MR Service Manual Download

Page: 16 / 19

✽

New Parts

Parts without Part No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.

A N

Desti-

A N

Desti-

Ref. No.

Parts No.

Description

nation

Ref. No.

Parts No.

Description

nation

C55

C90-2594-05

ELECTRO

10UF

10WV

R1 ,2

RK73GB1J223J

CHIP R

22K

1/16W

C56

CE04CW0J101M

ELECTRO

100UF

6.3WV

R3 ,4

RK73GB1J101J

CHIP R

100

1/16W

C57

CE04CW1C101M ELECTRO

100UF

16WV

R5 ,6

RK73GB1J682J

CHIP R

6.8K

1/16W

C58

CE04CW1A101M ELECTRO

100UF

10WV

R7 ,8

RK73GB1J124J

CHIP R

120K

1/16W

C101

CK73GB1H103K

CHIP C

0.010UF

R13

RK73EB2B472J

CHIP R

4.7K

1/8W

C102,103

CC73FCH1H220J CHIP C

22PF

R14 ,15

RK73GB1J472J

CHIP R

4.7K

1/16W

C150

CE04CW1A470M ELECTRO

47UF

10WV

R16

RK73EB2B472J

CHIP R

4.7K

1/8W

C151

CK73FB1H103K

CHIP C

0.010UF

R50

RD14DB2H332J

SMALL-RD

3.3K

1/2W

C152

C90-2608-05

ELECTRO

1.0UF

50WV

R52

RK73FB2A303J

CHIP R

30K

1/10W

C153

CK73GB1E153K

CHIP C

0.015UF

R54

RK73FB2A103J

CHIP R

10K

1/10W

C154

CK73FB1C224K

CHIP C

0.22UF

R55

RD14BB2C473J

47K

1/6W

C155

CK73FB1C104K

CHIP C

0.10UF

R57

RK73GB1J433J

CHIP R

43K

1/16W

C156

CK73FB1E333K

CHIP C

0.033UF

R58

RK73FB2A223J

CHIP R

22K

1/10W

C157

CC73FCH1H151J CHIP C

150PF

R59

RK73GB1J101J

CHIP R

100

1/16W

C159

CE04CW1A101M ELECTRO

100UF

10WV

R60

RK73FB2A473J

CHIP R

47K

1/10W

C160

C90-2608-05

ELECTRO

1.0UF

50WV

R61

RK73FB2A562J

CHIP R

5.6K

1/10W

C161

C90-2935-05

ELECTRO

1.0UF

50WV

R62

RK73GB1J103J

CHIP R

10K

1/16W

C162

C90-2608-05

ELECTRO

1.0UF

50WV

R63 ,64

RK73GB1J102J

CHIP R

1.0K

1/16W

C164

CK73FB1H103K

CHIP C

0.010UF

R65 ,66

RD14DB2H2R2J

SMALL-RD

2.2

1/2W

C200,201

CK73FB1H103K

CHIP C

0.010UF

R67

RD14BB2C102J

1.0K

1/6W

C206

CE04DW1A470M ELECTRO

47UF

10WV

R102

RK73FB2A222J

CHIP R

2.2K

1/10W KK1K2

C250

CE04CW1A101M ELECTRO

100UF

10WV

R103

RK73FB2A225J

CHIP R

2.2M

1/10W

C251

CK73GB1C473K

CHIP C

0.047UF

R104

RK73FB2A104J

CHIP R

100K

1/10W KK1K2

C320

CE04CW0J470M

ELECTRO

47UF

6.3WV

R105,106

RK73FB2A102J

CHIP R

1.0K

1/10W

C350

C90-2598-05

ELECTRO

3.3UF

25WV

R108

RK73GB1J473J

CHIP R

47K

1/16W

C351

CK73FB1E683K

CHIP C

0.068UF

R110

RK73FB2A473J

CHIP R

47K

1/10W

C352

C90-2602-05

ELECTRO

0.10UF

50WV

R114

RK73EB2B223J

CHIP R

22K

1/8W

C400

CE04CW0J220M

ELECTRO

22UF

6.3WV KK1M1

R115

RK73FB2A102J

CHIP R

1.0K

1/10W

C401,402

C90-2606-05

ELECTRO

0.47UF

50WV

KK1M1

R116

RD14BB2C472J

4.7K

1/6W

C450,451

C90-2597-05

ELECTRO

10UF

16WV

R118,119

RK73FB2A222J

CHIP R

2.2K

1/10W

C452

CK73FB1H103K

CHIP C

0.010UF

R120

RK73FB2A473J

CHIP R

47K

1/10W K2M2

C506

CK73FB1C104K

CHIP C

0.10UF

R121

RK73FB2A473J

CHIP R

47K

1/10W M1KK1

R122

RK73FB2A473J

CHIP R

47K

1/10W M1M2

CN1

E40-3240-05

PIN ASSY

R123

RK73FB2A473J

CHIP R

47K

1/10W KK1K2

CN2

E40-3246-05

PIN ASSY

R125

RK73GB1J473J

CHIP R

47K

1/16W

E04-0312-05

RF COAXIAL CABLE RECEPTACLE

E58-0863-15

RECTANGULAR RECEPTACLE

R126,127

RK73EB2B473J

CHIP R

47K

1/8W

✽

E58-0888-05

RECTANGULAR RECEPTACLE

R129

RK73GB1J104J

CHIP R

100K

1/16W

R131

RK73FB2A103J

CHIP R

10K

1/10W

E56-0834-05

CYLINDRICAL RECEPTACLE

KK1M1

R132

RD14BB2C104J

100K

1/6W

E63-0013-05

PIN JACK

R137

RK73FB2A473J

CHIP R

47K

1/10W

✽

E23-0745-05

TERMINAL

WH1

✽

E39-0344-05

WIRING HARNESS

R138

RD14BB2C223J

22K

1/6W

R150

RK73FB2A472J

CHIP R

4.7K

1/10W

L33-1063-15

CHOKE COIL

R151

RK73GB1J472J

CHIP R

4.7K

1/16W

L40-4795-91

SMALL FIXED INDUCTOR (4.7UH,J)

R152

RK73FB2A102J

CHIP R

1.0K

1/10W

L33-1123-05

LINE FILTER COIL (52MH)

R153

RK73FB2A913J

CHIP R

91K

1/10W

L40-4795-91

SMALL FIXED INDUCTOR (4.7UH,J)

L40-4795-91

SMALL FIXED INDUCTOR (4.7UH,J)

R154

RK73FB2A751J

CHIP R

750

1/10W

R155

RK73GB1J431J

CHIP R

430

1/16W

L77-1163-05

CRYSTAL RESONATOR (4.5MHZ)

R156

RK73FB2A154J

CHIP R

150K

1/10W

L77-1165-05

CRYSTAL RESONATOR (4.5MHZ)

R157

RK73EB2B101J

CHIP R

100

1/8W

R158

RK73FB2A333J

CHIP R

33K

1/10W

N83-3005-46

PAN HEAD TAPTITE SCREW

N64-3010-46

PAN HEAD SEMS SCREW

R159

RK73GB1J104J

CHIP R

100K

1/16W

N80-3008-46

PAN HEAD TAPTITE SCREW

R160

RK73GB1J473J

CHIP R

47K

1/16W

N83-3020-46

PAN HEAD TAPTITE SCREW

R200

RK73EB2B102J

CHIP R

1.0K

1/8W

N86-2606-46

BINDING HEAD TAPTITE SCREW

R201

RK73EB2B223J

CHIP R

22K

1/8W

R202

RD14BB2C102J

1.0K

1/6W

K : KRC-208S

M1 : KRC-288

E : Europe K : North America M : Other Areas

K1 : KRC-28MR

M2 : KRC-268

K2 : KRC-218

indicates safety critical components.

(X14-614x-xx)

KRC-208S/218,268/288,28MR

PARTS LIST

Summary of Contents for KRC-28MR

Page 1: ...R SCREW SET N99 1632 05 KRC 218 CD MD CHANGER CONTROL KRC 288 KRC 288 M AUD 1 2 3 4 5 6 CLK ATT SRC PWR OFF AME ADJ AUTO SCAN RDM REP T C D SCN M RDM LOUD DISC CRSC A ADJ FM AM FF REW PR OG AUD 1 2 3 4 5 6 CLK ATT SRC PWR OFF AME ADJ AUTO SCAN RDM REP T C D SCN M RDM LOUD DISC CRSC A ADJ FM AM FF REW PR OG AUD 1 2 3 4 5 6 CLK ATT SRC PWR OFF AME ADJ AUTO T CALL LOUD CRSC A ADJ FM AM FF REW PR OG A...

Page 2: ...ONT FM ANT AM ANT RF 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 CH CON DATA H DATA C REQ H REQ C CH CLK Rch COM Lch TAPE MP IN AM MPX OUT RR OUT LR OUT RF Rch LEVEL SCL SDA OUT LF Rch STBY MUTE Rch Lch T MUTE FWD REV B U 5V 8V B U CHRST S MUTE 8...

Page 3: ...n Q58 and Q59 work Q150 ELECTRIC VOLUME MUTE SW Works when the base level comes H Q151 SVR DISCHARGE SW Works when the base level comes H Q153 PRE MUTE DRIVER Works when the base level comes L Q200 FM B SW Works when the base level comes H in FM mode Q201 FM B DRIVER Works when Q200 works Q202 AM B SW Works when the base level comes H in AM mode Q203 AM B DRIVER Works when Q203 works Q260 MOTOR B ...

Page 4: ... C I Request from changer 33 MUTE O Mute 34 CH CON O Changer control 35 REQ H O Request to head unit 36 SVR O Power IC IC4 discharge control 37 AMP STBY O Power IC IC4 stand by 38 AMP MUTE O Power IC IC4 mute 39 P CON O P CON for external amplifier 40 ANT CON O Power antenna 41 SW5 O Circumambient circuit power supply control 42 ILL O Illumination 43 No connection 44 BEEP O Buzzer 2KHz 45 47 No co...

Page 5: ...est mode Simply reset the unit NOTE The test mode is not canceled by ACC OFF power OFF momentary power down or the panel off 3 Audio adjustment Set the volume level to 10dB which is shown as 30 on the display Loudness OFF The BASS TREBLE and BALANCE FADER can be set to the full boost full cut and full front full rear each by pressing the Track UP Track DOWN keys Sound coordination doesn t appear f...

Page 6: ...kehren und die Ausrichtung in Vorwärtsrichtung noch einmal überprüfen Wenn eine Abweichung festgestellt wird ist diese Einstellung zu wiederholen Verwendetes Band SCC 1659 hergestellt von A BEX Head Angle Adjustment Head height alignment procedure During FWD transport adjust screws F and F so that line A of 2 LINE TAPE passes trough the center of the head shield plate core center area During RVS t...

Page 7: ...3 IC2 IC1 X14 614x xx J74 0959 22 SYNTHESIZER UNIT CN1 Q60 Q56 D411 D405 D352 Q51 Q350 D401 D400 D56 D52 D51 D55 D54 D402 D408 D409 D403 D350 D351 W104 D53 Q201 Q203 D200 Q261 D404 D260 IC5 J4 J5 J2 J1 A1 D370 IC4 D50 Q370 D371 D151 D150 D152 P1 WH1 D100 J3 CN2 D261 REMO GND W100 W28 W75 W85 W22 W33 W73 W67 W72 W65 W13 W96 W35 W36 W68 W64 W15 W8 W31 W71 W69 W27 W79 W76 W34 W39 W43 W46 W51 W98 W99 ...

Page 8: ...R59 B E R154 E B R155 W119 R152 R151 R153 R372 W113 W112 TH1 C52 R57 E B C7 R5 C5 R1 C1 C6 C8 R2 C2 R251 C251 R60 E R61 B B E E B E B W122 R62 R64 R63 E B IC3 Q260 Q202 IC2 Q150 Q200 Q450 Q153 Q451 Q301 Q320 Q351 IC1 Q371 Q352 Q353 Q50 Q52 Q151 Q54 Q55 Q59 Q58 Q53 Q57 Q61 D260 WH1 Q261 P1 D261 X14 614x xx SYNTHESIZER UNIT J74 0959 22 CN2 D200 A1 Q203 Q201 J1 J5 D403 D401 D402 D409 D411 D405 D404 D...

Page 9: ...BY SVR REQ H CH CON MUTE REQ C VDD GND GND FF REW PACK IN FM B AM B SCL MOTOR CH CLK DATA H DATA C SD PLL CLK PLL DATA SDA L CE L CLK L DATA S L DATA L GND XIN GND GND HOLD VDD GND GND VDD GND GND VSS GND XOUT SW5V ILL BEEP ROLL OFF NOISE CANCELLER SEL1 SEL2 EQ MUTE FWD REV REMO ACC DET B U DET S METER PANEL R110 47K R108 47K 2 1 R104 100K 38 37 36 27 28 26 25 27 R154 750 C161 1u50 41 61 62 41 44 ...

Page 10: ...10 R4 100 GND VCC R OUT 5 4 100P C6 R NF 3 2 C4 47u6 3 R IN 1 16 7 25 26 0 12 0 21 NO YES NO NO YES YES MODEL NAME KRC 208S K UNIT NO 0 10 NO YES NO R122 R120 KRC 288 M KRC 218 K KRC 268 M KRC 28MR K YES YES YES R121 YES NO R123 YES 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AC OUT L AC OUT R CREF OUT LF OUT RF OUT LR OUT RR VDD GND SDA SCL S MUTE MUX R MUX L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 AC IN ...

Page 11: ... VDD VDD2 VDD1 VSS OSC DATA L CE CLK DATA S KI1 KI2 KI4 KI3 C4 0 047 C5 820P C1 0 047 R19 68K C2 0 01 R8 4 7 R18 1K 63 64 62 61 62 61 63 R11 100 R13 100 R14 100 R12 100 64 25 12 13 14 15 16 26 27 28 29 30 31 32 18 19 20 21 22 23 24 17 CO3 CO2 CO1 37 36 35 34 33 PL1 PL2 13 13 R21 470 R6 470 R5 330 R4 R3 330 R1 470 R2 330 KS1 KS2 KS3 KS4 KS5 KI4 KI3 KI2 KI1 KRC 28MR K PL1 2 KRC 208S K B30 1483 05 0 ...

Page 12: ...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 D40 1136 05 MECHA KRC 208S 218 268 288 28MR K K M M K 1 2 3 A B KRC 208S 218 268 288 28MR EXPLODED VIEW MECHANISM 15 ...

Page 13: ... C D E F B Fx2 B B B B B X14 Cx2 Ax2 Ax2 E D Except KRC 28MR 737 A A Refer to the following page ME1 A 1 F1 244 216 DC1 242 207 201 262 726 767 261 243 221x2 X14 J 1 X14 X14 J 5 X14 J 4 KRC 208S KRC 288 KRC 28MR only X14 778 X14 777 X14 776 X14 J 2 X14 L 1 729 703 UNIT 1 2 KRC 208S 218 268 288 28MR K K M M K 1 2 3 C D 16 KRC 208S 218 268 288 28MR EXPLODED VIEW UNIT ...

Page 14: ...0205 04 N80 2008 45 G H J Jx2 Jx2 710 204 233 223 224 234 222 705 766 X13 X13 X13 272 X13 273 X13 274 X13 ED1 X13 271 775 208 206 235 256 259 PA1 241 227 252 253 251 257 258 255 232 232 232 254 231 UNIT 2 2 KRC 208S 218 268 288 28MR K K M M K 1 2 3 E F 17 EXPLODED VIEW TDF KRC 208S 218 268 288 28MR ...

Page 15: ...UF K C5 CK73FB1H821K CHIP C 820PF K 227 3F E29 1599 02 CONDUCTIVE RUBBER DC1 1C E30 4783 05 DC CORD KK1K2 274 2E E29 1600 04 CONDUCTIVE RUBBER DC1 1C E30 4784 05 DC CORD M1M2 J1 E59 0831 05 RECTANGULAR PLUG F1 2D F52 0006 05 FUSE MINI BLADE TYPE 10A R1 RK73EB2B331J CHIP R 330 J 1 8W F1 2D F52 0011 05 FUSE MINI BLADE TYPE 10A R2 RK73EB2B471J CHIP R 470 J 1 8W R3 4 RK73EB2B331J CHIP R 330 J 1 8W 231...

Page 16: ...R110 RK73FB2A473J CHIP R 47K J 1 10W C352 C90 2602 05 ELECTRO 0 10UF 50WV R114 RK73EB2B223J CHIP R 22K J 1 8W C400 CE04CW0J220M ELECTRO 22UF 6 3WV KK1M1 R115 RK73FB2A102J CHIP R 1 0K J 1 10W C401 402 C90 2606 05 ELECTRO 0 47UF 50WV KK1M1 R116 RD14BB2C472J RD 4 7K J 1 6W C450 451 C90 2597 05 ELECTRO 10UF 16WV R118 119 RK73FB2A222J CHIP R 2 2K J 1 10W C452 CK73FB1H103K CHIP C 0 010UF K R120 RK73FB2A...

Page 17: ...AMP X2 R401 402 RK73EB2B100J CHIP R 10 J 1 8W KK1M1 Q50 2SC2412K TRANSISTOR R403 RK73EB2B101J CHIP R 100 J 1 8W KK1M1 Q50 2SD601A TRANSISTOR R404 RK73FB2A104J CHIP R 100K J 1 10W KK1M1 Q51 2SB1443 TRANSISTOR R405 RK73EB2B104J CHIP R 100K J 1 8W KK1M1 Q52 2SC2412K TRANSISTOR R406 407 RK73EB2B472J CHIP R 4 7K J 1 8W KK1M1 Q52 2SD601A TRANSISTOR R408 RK73EB2B102J CHIP R 1 0K J 1 8W KK1M1 Q53 2SA1036K...

Page 18: ...1277 Q R TRANSISTOR M1M2 115 2B N19 2038 08 FLAT WASHER Q371 DTC114YK DIGITAL TRANSISTOR M1M2 Q371 UN2214 DIGITAL TRANSISTOR M1M2 HD1 1B T31 0229 08 PLAYBACK HEAD Q450 451 DTC143TK DIGITAL TRANSISTOR Q450 451 UN2216 DIGITAL TRANSISTOR M1 1A T42 1025 08 MOTOR ASSY TH1 PTH9C42BD471Q POSITIVE RESISTOR A1 2D X86 3160 11 FRONT END UNIT 1 2A A10 4328 08 CHASISS CALKING ASSY 4 3B J26 4017 08 PRINTED WIRI...

Page 19: ...1318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS THAILAND CO LTD 2019 New Pechburi Road Bangkapi Huaykwang Bangkok 10320 Thailand KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Genting Lane 07 00 Kenwood Building Singapore 349544 KENWOOD ELECTRONICS MALAYSIA SDN BHD 4 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia KRC 208S K KRC 218S K KRC 268 M KRC 28MR K KRC ...

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Kenwood KRC-28MR, Service Manual

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