Kenwood KRC-591 Service Manual Download Page 9

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

PC BOARD (Component Side View)

SWITCH UNIT

SWITCH UNIT
(X16-1630-10/1630-11/
1672-70/1672-71)

CN1

PC BOARD (Foil Side View)

DAUGHTER UNIT

X16-1630-10/1630-11/1672-70/
1672-71 (J74-1315-02)

X89-2510-10/2522-70 (J74-1325-02)

X16-1630-10/1630-11/1672-70/
1672-71 (J74-1315-02)

KI2

KS5

KI4

KS4

KI5

KS2

KI3

KI1

KS3

AU
T

DISP

RST

AU
D

SRC

AT
T

D18

D19

IC2

D11

D12

D13

D10

ED1

D20

D21

B
E

R16

C13

R20

CP3

R12

R27

R15

C12

C11

R14

R13

R18

R17

R28

D-GND

FLIPDET

ILL-GND

LED+B

KI3

KS3

KI2

KI1

KS4

ESDGND

KI5

REMO

PAN5V

KI4

KS2

KS5

L-DATAS

L-CLK

L-CE

L-RES

RST

L-DATAL

R25

R26

C14

C15

R23

R24

IC1

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

T E L

1 3 9 4 2 2 9 6 5 1 3

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for KRC-591

Page 1: ... 00 7P W05 0609 00 10P Refer to the PARTS LIST Plastic cabinet assy A02 1486 13 Mounting hardware assy J21 9716 03 Screw set N99 1719 05 KRC 665R only Remote controller assy RC 410 A70 2025 05 KRC 665R only Screw set N99 1656 05 Escutcheon B07 3054 02 Knob VOL K25 1414 03 Panel assy A64 2615 02 Knob 1 6 K25 1409 03 Knob FM AM K25 1412 03 Knob ATT K25 1411 03 www xiaoyu163 com QQ376315150 9 9 2 8 9...

Page 2: ...SDA SCK S MUTE A 8V SUB MOT B SUB PACK IN F R T END STBY HEAD COM HEAD L HEAD R MODE SUB RCLK QUAL RDATA S METER IFC PLL DATA PLL CLK MUSIC MS CONT F R T MODE PACK IN M STBY T END METAL EQ MUTE DATA C CH RST CH MUTE DOLBY DATA H CH CON CH CLK REQ H REQ C SUB RESET MOTOR ILL ON AM B FM B SCK SDA PRE MUTE MUTE BEEP P MUTE ACC DET PHONE DIMMER P CON P 5V P ON ANT CONT B U DET SW 5V 3 2 5 CH MUTE CH R...

Page 3: ...When the output voltage decrease is detected Q37 is turned off to protect the output Q35 Q36 output protection When the power control switch is turned on Q35 protects the system from misoperation Q38 B U detection L when B U is present H when B U is absent or when momentary power down detction Q39 ACC detection L when ACC is present Q42 Mute driver For driving the audio mute switch ON when the bas...

Page 4: ... the RDS decoder IC 25 SUB O Sub motor output 26 SUB O Sub motor output 27 FWD rev I Cassette tape running direction detection H FWD L REV 28 MS CONT O ADV sensitivity control H PLAY L FF REV 29 metal O NORMAL METAL change H NORMAL L METAL 30 EQ MUTE O EQ MUTE change H ON L OFF 31 DOLBY O Dolby ON OFF H ON L OFF 32 music I Casstet music space detection H Music does not exists L Music exist 33 VSS1...

Page 5: ... Illumination output terminal H ON L OFF 89 KEY REQ I Panel key interrupt input L Key input exist 65 R CLK I Clock input from the RDS decoder IC 66 PACK IN I Cassette pack in detection H Pack in 67 VSS0 GND port 68 VDD1 Positive power supply 69 X2 Main clock output 12MHz 70 X1 I Main clock input 71 TEST I Program power supply Mask Test terminal 72 XT2 Sub clock output 32 768MHz 73 XT1 I Sub clock ...

Page 6: ...o adjustment mode when the Q key is pressed momentarily Continuous advance operation from remote control is prohibited The Bass Middle Treble is adjusted to either one of the 3 steps of MIN Center MAX with Track up down key Balance is adjusted to either one of the 3 steps of Left MAX Center Right MAX with Track up down key Fader is adjusted to either one of the 3 steps of Rear MAX Center Front MAX...

Page 7: ...l ON If the PRESET key is pressed while all displays are turned on by ALL OFF the following display appears PRESET 1 Version display 8 digits Month Day Hour Minute Display xxxxxxxx System microcomputer PRESET 2 All displays are turned on Short press Power ON time display PRESET 3 Long press Power ON time is cleared Display Pon xxxxx Max 65535 hours Short press TAPE CD MD running hour display PRESE...

Page 8: ...comes maximum each DOLBY Connect an AC VR1 L 2 PLAY BACK LEVEL TCC 130 voltmeter to CN5 VR2 R 388mV a X14 BALANCE FADER BASS MID TREBLE CENTER T ADV METAL DOLBY NR OFF b AZIMUTH PANEL FRONT FWD REV P R L L CN5 G R a DOLBY VR2 VR1 F E ANEL FRONT www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296...

Page 9: ...2510 10 2522 70 J74 1325 02 X16 1630 10 1630 11 1672 70 1672 71 J74 1315 02 1 55 27 30 3 1 2 4 29 KI2 KS5 KI4 KS4 KI5 KS2 KI3 KI1 KS3 AUTO DISP 6 5 4 3 2 1 RST AUD SRC AM FM ATT D18 D19 IC2 D5 D6 D7 D4 D1 D2 D3 D11 D12 D13 D8 D9 D10 ED1 D20 D21 E E B B B E B E 25 40 R16 C13 16 15 R20 R1 R2 1 2 CP3 R12 C3 R9 R27 65 R8 1 80 C4 C2 C1 24 64 41 R15 C12 C11 R14 R13 C5 R18 R17 R28 D GND FLIPDET ILL GND L...

Page 10: ... 21 40 10 1 30 21 31 40 11 20 1 7 8 14 1 4 8 5 1 14 15 28 E B E B 1 2 3 1 1 2 B E B E 10 B E 1 7 B E B E 18 2 13 9 3 1 16 8 9 1 1 2 25 24 1 24 1 1 17 4 5 8 7 12 6 11 10 2 IC3 IC2 IC10 IC7 D11 D52 D54 Q11 Q13 Q4 Q1 Q2 Q3 Q51 Q42 Q53 Q21 Q31 Q20 Q38 Q39 Q35 Q36 D67 D68 D69 D16 D65 D66 D64 D70 D61 D32 D63 D62 D33 IC1 D18 IC9 D24 D23 D71 IC11 J4 J2 S1 D82 CN3 Q12 Q17 D31 CN4 J3 P1 Q33 Q34 Q19 Q54 Q52 ...

Page 11: ... C13 C4 C161 C143 C91 C56 C53 C58 C59 C24 C23 C21 C22 W25 W26 W16 W15 W14 W13 W11 W18 W12 W22 W21 W19 W27 W23 W24 W29 W28 W17 W20 C51 L7 L9 L1 E B E B 3 1 1 2 B E B E 10 B E 1 7 B E B E 18 2 13 9 3 1 16 8 9 1 1 2 25 24 1 24 1 1 17 4 5 8 7 12 6 11 10 2 J4 J2 S1 D82 CN3 Q12 Q17 D31 CN4 J3 P1 Q33 Q34 Q19 Q54 Q52 D1 D6 D3 D4 D17 D7 CN5 IC4 D26 D27 D28 D2 D21 D22 D25 J1 CN1 A1 D34 CN2 FRONT REAR PRE OU...

Page 12: ...42 BU C81 0 47u50 10 8 6 4 C82 22u16 SVR VCC PGND ST BY 2 BU BU PGND R107 10K FUSE 16 14 15 B U BU GND ACC TEL MUTE DIMMER P CON 1 3 2 13 11 12 10 9 RR FR RR FR RR RR FR FR ANT CON FL RL RL FL FL RL FL RL 4 6 5 7 8 L1 B 11 2 C75 0 068 C74 3 3u25 R83 22K W1 R81 4 7K C52 0 01 C51 2200u50 9 7 5 C22 C61 0 047 FR C62 0 047 C63 0 047 RR FR R22 3 1 C64 0 047 0 22u50 RR C24 R24 10K BU R51 22K C54 0 01 C53...

Page 13: ... S11 S10 S9 S8 S7 S6 S5 S29 S38 S39 S40 S37 S30 S31 S32 S33 S34 S35 S36 S25 S26 S27 S28 S42 S41 S44 S45 S43 S47 S48 S49 S46 S53 S51 S52 S50 S55 S54 C1 C2 C3 S56 VCC GND2 GND1 2 1 OUT 3 4 35 70 KS4 44 43 42 41 S39 S40 40 S41 S43 S42 S37 S38 S36 S35 37 39 38 36 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 S48 S45 S44 S47 S46 S50 S49 S52 S51 COM2 COM1 S55 S54 S53 COM3 KS2 S56 KS3 64 63 KI2 K...

Page 14: ...P KRC 665R 591 591V 591Y 591YV 20 Parts with exploded numbers larger than 700 are not suppied EXPLODED VIEW UNIT C D 1 2 3 A B C D E F G H J K L N M2 6x3 φ2x5 φ2x8 BLK φ3x5 M2x5 M2 6x6 BLK M2 6x6 φ3x8 φ3x14 φ2 6x6 WASHER E RING N38 2630 46 N80 2005 46 N80 2008 45 N83 3005 46 N84 2005 46 N84 2606 45 N84 2606 46 N80 3008 46 N83 3014 46 N86 2606 46 N19 2106 04 N24 3020 46 702 801 752 726 740 739 754 ...

Page 15: ... ELECTRO 100UF 25WV C54 CK73GB1H103K CHIP C 0 010UF K C55 C90 2594 05 ELECTRO 10UF 10WV C56 CE04CW0J101M ELECTRO 100UF 6 3WV C58 CE04CW1C101M ELECTRO 100UF 16WV KRC 665R 591 591V 591Y 591YV The language of an instruction manual E ENG T CHI A ARA F FRE G GER S SPA P POR D DUT I ITA H HUN C CRO R RUS O POL Z CZE L SLO SYNTHESIZER UNIT X14 68XX XX 201 1C A02 1486 13 PLASTIC CABINET ASSY 203 3C A21 41...

Page 16: ...B0J105K CHIP C 1 0UF K C165 CC73GCH1H220J CHIP C 22PF J C166 CC73GCH1H330J CHIP C 33PF J C168 CK73GB1H102K CHIP C 1000PF K CN1 E40 9541 05 PIN ASSY CN2 E41 0167 05 PIN ASSY CN5 E40 9184 05 PIN ASSY J1 E58 0863 15 RECTANGULAR RECEPTACLE J2 E63 0877 05 PIN JACK J3 E56 0834 05 CYLINDRICAL RECEPTACLE J4 E04 0312 05 RF COAXIAL CABLE RECEPTACLE P1 E23 0745 05 TERMINAL L1 L33 1170 05 CHOKE COIL ASSY L2 L...

Page 17: ...W E2 E3 R209 RK73GB2A104J CHIP R 100K J 1 10W R211 212 RK73GB2A102J CHIP R 1 0K J 1 10W R213 RK73GB2A474J CHIP R 470K J 1 10W R214 215 RK73GB2A104J CHIP R 100K J 1 10W R216 RK73GB2A471J CHIP R 470 J 1 10W R217 RK73GB2A104J CHIP R 100K J 1 10W R218 219 RK73GB2A102J CHIP R 1 0K J 1 10W R220 221 RK73GB2A471J CHIP R 470 J 1 10W R222 RK73GB2A472J CHIP R 4 7K J 1 10W R223 RK73GB2A222J CHIP R 2 2K J 1 10...

Page 18: ...AL TRANSISTOR Q55 UN5216 DIGITAL TRANSISTOR Q61 2SA1576A TRANSISTOR SYNTHESIZER UNIT X14 68XX XX SWITCH UNIT X16 16XX XX DAUGHTER UNIT X89 25XX XX SWITCH UNIT X16 16XX XX DAUGHTER UNIT X89 25XX XX Q71 DTC124EUA DIGITAL TRANSISTOR Q71 UN5212 DIGITAL TRANSISTOR Q72 2SD1760 TRANSISTOR Q82 DTA114YUA DIGITAL TRANSISTOR Q82 UN5114 DIGITAL TRANSISTOR TH1 PTH9C42BD471Q POSITIVE RESISTOR A1 X86 3242 70 TUN...

Page 19: ...B J11 0620 08 CLAMPER 52 2A D03 0312 08 REEL DISK 53 3A D15 0913 08 PULLEY 55 1A D10 4121 08 SLIDER 57 1B D13 1337 08 GEAR 59 2B J31 1036 08 COLLAR 62 3B D14 0683 08 ROLLER 63 1A D14 0684 08 ROLLER 67 2A G01 2832 08 TORSION COIL SPRING 68 2A G01 2833 08 TORSION COIL SPRING 69 2B G01 2834 08 TENSION COIL SPRING 70 1B G01 2835 08 TORSION COIL SPRING 71 1B G01 2836 08 TORSION COIL SPRING 73 1A G09 20...

Page 20: ... 10A Installation Size W 182mm H 53mm D 150mm Weight 1 20kg KRC 665R KRC 591 591V 591Y 591YV US and foreign patents licensed from Dolby Laboratories Licensing Corporation FM Section Frequency Range 87 5MHz 108 0MHz Frequency Step 50kHz Usable Sensitivity S N 26dB 0 7µV 75Ω Quieting Sensitivity S N 46dB 1 6µV 75Ω Frequency Response 3 0dB 30Hz 15kHz S N 65dB MONO Selectivity 80dB 400kHz Stereo Separ...

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