Kenwood R-SG7 Service Manual Download Page 18

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R-SG7/SG7G

ARTS LIST

✽

New Parts

Parts without

Parts No.

are not supplied.

Les articles non mentionnes dans le

Parts No.

ne sont pas fournis.

Teile ohne

Parts No.

werden nicht geliefert.

Ref. No

Add-

ress

New

Parts

Description

Desti-

nation

Re-

marks

Parts No.

✽

New Parts

Parts without

Parts No.

are not supplied.

Les articles non mentionnes dans le

Parts No.

ne sont pas fournis.

Teile ohne

Parts No.

werden nicht geliefert.

Ref. No

Add-

ress

New
Parts

Description

Desti-

nation

Re-

marks

Parts No.

640

K29-6358-14

KNOB

641

K29-6741-04

KNOB

642

✽

K29-7570-03

KNOB

645

L07-2386-05

POWER TRANSFORMER

645

L07-2415-05

POWER TRANSFORMER

650

T90-0801-05

LEAD WIRE ANTENNA

650

T90-0809-05

LEAD WIRE ANTENNA

651

T90-0833-05

LOOP ANTENNA

C1 ,2

CK73FB1H103K

CHIP C

0.010UF

CC73FCH1H040C

CHIP C

4.0PF

CK73FB1H103K

CHIP C

0.010UF

CK73FB1H102K

CHIP C

1000PF

CK73FB1H103K

CHIP C

0.010UF

CE04LW1C100M

ELECTRO

10UF

16WV

C10

CK73FB1H473K

CHIP C

0.047UF

C11

CE04LW1H010M

ELECTRO

1.0UF

50WV

C12

CE04LW1H2R2M

ELECTRO

2.2UF

50WV

C13

CK73FB1H102K

CHIP C

1000PF

C14

CE04LW1H010M

ELECTRO

1.0UF

50WV

C15

CC73FCH1H220J

CHIP C

22PF

C16

CE04LW1C100M

ELECTRO

10UF

16WV

C17

CK73FB1H562K

CHIP C

5600PF

C18

CK73FB1H102K

CHIP C

1000PF

C19

CE04HW1E4R7M

NP-ELEC

4.7UF

25WV

C20

CK73FB1E104K

CHIP C

0.10UF

C21 ,22

CQ93FMG1H113J

MYLAR

0.011UF

C23

CE04LW1H010M

ELECTRO

1.0UF

50WV

C25

CE04LW1C100M

ELECTRO

10UF

16WV

C26

CE04LW1C470M

ELECTRO

47UF

16WV

C27

CE04LW1H010M

ELECTRO

1.0UF

50WV

C28

CQ93FMG1H223J

MYLAR

0.022UF

C29

CE04LW1H2R2M

ELECTRO

2.2UF

50WV

C30

CE04LW1C101M

ELECTRO

100UF

16WV

C31

CE04LW1A470M

ELECTRO

47UF

10WV

C32

CK73FB1H103K

CHIP C

0.010UF

C33

CC73FSL1H101J

CHIP C

100PF

C34 ,35

CK73FB1H102K

CHIP C

1000PF

C36

CC73FCH1H270J

CHIP C

27PF

C37

CC73FCH1H220J

CHIP C

22PF

C38

CK73FB1H471K

CHIP C

470PF

C52

CC73FSL1H470J

CHIP C

47PF

C57 -60

CE04LW1C100M

ELECTRO

10UF

16WV

C63

CC73FCH1H220J

CHIP C

22PF

CN1

E40-4609-05

PIN ASSY

E20-0476-05

LOCK TERMINAL BOARD(4P)

E70-0051-05

LOCK TERMINAL BOARD

F10-0945-04

SHIELDING PLATE

CF1 ,2

L72-0531-05

CERAMIC FILTER

CF3

L72-0593-05

CERAMIC FILTER

L39-1348-05

COMBINATION COIL

L30-0911-05

AM IFT

L3 ,4

L40-1091-17

SMALL FIXED INDUCTOR(1UH)

601

✽

A01-3470-11

METALLIC CABINET

603

A22-1783-11

SUB PANEL

603

✽

A22-1826-01

SUB PANEL

604

✽

A60-1677-03

PANEL

604

✽

A60-1678-03

PANEL

606

A70-1154-05

REMOTE CONTROLLER ASSY

606

A70-1155-05

REMOTE CONTROLLER ASSY

607

A09-0356-08

BATTERY COVER

611

✽

B07-2457-03

ESCUTCHEON

612

B10-2373-03

FRONT GLASS

613

B12-0320-04

INDICATOR

614

✽

B12-0368-04

INDICATOR

B46-0310-03

WARRANTY CARD

✽

B58-1647-04

CAUTION CARD

✽

B60-4358-00

INSTRUCTION MANUAL(EN)

✽

B60-4359-00

INSTRUCTION MANUAL(FR)

✽

B60-4360-00

INSTRUCTION MANUAL(GE)

✽

B60-4361-00

INSTRUCTION MANUAL(NE)

✽

B60-4362-00

INSTRUCTION MANUAL(IT)

✽

B60-4363-00

INSTRUCTION MANUAL(ES)

✽

B60-4364-00

INSTRUCTION MANUAL(TC)

619

E03-0115-05

AC PLUG ADAPTER

620

E30-0615-05

AUDIO CORD

621

E30-2592-15

AC POWER CORD

621

E30-2721-05

AC POWER CORD

622

E30-2628-05

CORD WITH CONNECTOR

623

E35-2007-05

FLAT CABLE (19P)

623

E35-2077-05

FLAT CABLE (19P)

624

E35-2078-05

FLAT CABLE (15P)

626

F19-1080-04

SHIELDING PLATE

628

G11-2389-04

CUSHION

629

G11-2390-04

CUSHION

630

G11-2391-04

CUSHION

631

G11-2403-04

CUSHION

632

G11-2417-04

CUSHION

H10-7462-02

POLYSTYRENE FOAMED FIXTURE

H10-7463-02

POLYSTYRENE FOAMED FIXTURE

H12-2298-14

PACKING FIXTURE

H25-1579-04

PROTECTION BAG

H25-1581-04

PROTECTION BAG

H25-1595-04

PROTECTION BAG

✽

H50-3414-04

ITEM CARTON CASE

✽

H50-3417-14

ITEM CARTON CASE

✽

H50-3453-04

ITEM CARTON CASE

635

J02-0370-05

FOOT

636

J19-3331-05

UNIT HOLDER

637

J19-5877-05

UNIT HOLDER

638

J42-0083-05

POWER CORD BUSHING

639

J19-3645-05

AMTENNA STAND

J61-0307-05

WIRE BAND

L :

Scandinavia

K :

USA

P :

Canada

R :

Mexico

C :

China

I :

Malaysia

Y :

PX(Far East, Hawaii)

T :

England

E :

Europe

G :

Germany

V :

China (Shanghai)

Y :

AAFES(Europe)

X :

Australia

Q :

Russia

H :

Korea

M :

Other Areas

indicates safety critical components.

L :

Scandinavia

K :

USA

P :

Canada

R :

Mexico

C :

China

I :

Malaysia

Y :

PX(Far East, Hawaii)

T :

England

E :

Europe

G :

Germany

V :

China (Shanghai)

Y :

AAFES(Europe)

X :

Australia

Q :

Russia

H :

Korea

M :

Other Areas

indicates safety critical components.

R-SG7/SG7G M: R-SG7G

TUNER UNIT (X05-4860-71)

R-SG7(K)

COVER1,1P(

99.10.30

0:17

y[W

Summary of Contents for R-SG7

Page 1: ... CONTROL R L IN IN CD AUX REC OUT PLAY OUT REC OUT PLAY OUT TAPE MD SUB panel A22 Front glass B10 2373 03 Indicator B12 0368 04 Panel A60 AC cord E30 Lock terminal board E70 0034 05 Phono jack E63 1014 05 Phono jack E63 0136 15 Phono jack E63 0047 15 Metallic cabinet A01 3470 11 Lock terminal board E20 0476 05 Rectangular receptacle E08 0312 05 AC cord bushing J42 0083 05 Knob K29 6741 04 Indicato...

Page 2: ...1 E30 2628 05 AC plug adaptor 1 E03 0115 05 Battery cover A09 0356 08 Remote control unit 1 A70 1154 05 M RC SE9 A70 1155 05 TE RC SE9 E Accessories Operation to reset The microcomputer may fall into malfunction impos sibility to operate erroneous display etc when the power cord is unplugged while power is ON or due to an external factor In this case execute the following procedure to reset the mi...

Page 3: ... checked by reset processing The microcomputer is initialized when the data was destroyed If it is not destroyed the microcomputer is started in the backup state The data for backup state comfirmation is written in a RAM area The microcomputer is set to the stop mode so as to save the power consumption A backup state set command signal is detected by a timer interrupt of 1 msec The backup guarante...

Page 4: ...e rotary encoder provide the nor mal operation 4 When selector is set toTUNER 1 Write data in the unused area of E2PROM then read the written data If the read data is the same as the written data RAM OK is displayed in the fluorescent display indi cator If the former is the different from the later RAM NG is displayed 2 Set the TUNER ATT to OFF and display the S level in hexadecimal when the ENTER...

Page 5: ...KER RELAY uPD78045FGF071 X09 IC1 u COM 3 SELECTOR ANALOG X09 J4 SW CONTROL IC SERIAL DATA NJU7313AM BUSY X09 IC3 X09 S516 2 E VOL IC VOLUME M62421SP ROTARY ENCODER 2 ENC A SD ENC B STEREO HEADPHONES PROTECTION A MUTE T MUTE H P MUTE ATT A CLASS ON Key matrix bsignifies pin number of microprocessor KR0 KR1 KR2 KS0 DSW1 D519 DSW2 D518 KS1 POWER AUTO MONO BAND KS2 N B CIRCUIT INPUT SEL TUNING UP KS3 ...

Page 6: ...IN COLCK 4 19MHz oscillator 35 MAIN COLCK 4 19MHz oscillator 36 S DATA I O 16 bit system data 37 S BUSY I O 16 bit system busy H BUSY L READY 38 H P MUTE O Muting signal input of headphones L ON 39 ATT O Attenuator control L ON 40 A MUTE O Audio muting signal control L ON 41 LOW RELAY O Amplifier low relay control H ON L OFF 42 HI RELAY O Amplifier high relay control H ON L OFF 43 SP RELAY O Speak...

Page 7: ...DC voltmeter across CN1 L CN2 R X09 A 7 PURE A OFF Volume 0 VR1 L VR2 R X09 A 7 20mV b SPEAKER 6 16 Ω R L SUB WOOFER PRE OUT FM75Ω FM300Ω GND AM ANTENA SYSTEM CONTROL R L IN IN CD AUX REC OUT PLAY OUT REC OUT PLAY OUT TAPE MD Oscilloscope Distortion meter AC voltmeter Dummy antenna A B C D AG AG FM SG MPX AG FM SG AM SG a b CN1 L CN2 R Dc voltmeter 20mV FM SECTION SELECTION FM X05 4882 70 E T TYPE...

Page 8: ...C E 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view TUNER UNIT X05 4860 71 M TUNER UNIT X05 4882 70 ET R SG7 K COVER1 1P 99 10 300 17PM y W 15 ...

Page 9: ... W17 W32 W8 W13 W16 W15 W9 W10 W31 W28 W98 W12 W44 W11 W48 W4 W7 W108 W76 W34 W92 W67 W91 W58 W86 W24 W52 W20 W77 W68 W62 W61 W123 W128 W69 W131 W118 W130 W45 W96 W101 5 6V AVR 30V AVR 12V AVR REC BUFF SELECTOR B CLASS IDLE L IDLER F1 1A 125V Rch Lch C136 C106 C141 C105 R110 R84 W59 R123 R82 R126 R61 R86 R175 R130 R85 C121 R63 R160 R64 PH3 C45 PH4 PH2 R62 PH1 W43 C108 C107 R156 C104 C139 R172 R164...

Page 10: ...C1 24P 12P C20 0 J4 2 2uH C26 0 01 L2 R5 100K L3 33 R2 C2 3P C11 L6 0 01 1 8K C14 C13 22P 33P R9 6P C15 12P C12 1200P R4 330K 2P C9 L4 C24 4 7K R6 10K 4P C6 L5 0 180 R8 0 01 100K R7 560P C7 J3 18P C16 J2 0 C8 47P 8 6 OSC IF OUT 5 4 J1 0 R10 180 VCC C18 T1 0 01 VT 0 022 C28 VR1 22K B 4 7K R11 TUNE B B B B B B B B B B B B 12V 12V B B 12V B B B B B B B B 12V 12V B B B 12V J2 J1 FM 75 GND AM ANT AMP F...

Page 11: ...ND FM AM FREQ LF HF LF HF 1 7V 4 1V 1 2V 4 7V VT VOLTAGE HF HIGH FREQUENCY LF LOW FREQUENCY VT VOLTAGE 12 7V R SG7 SG7G Y05 3960 21 CAUTION For continued safety replace safety critical components only with manufacturer s recommended parts refer to parts list indicates safety critical components For continued protection against risk of fire replace only with same type and rating fuse s To reduce th...

Page 12: ... SIGNAL LINE B LINE B LINE A1 FM FRONT END W02 2565 05 TUNER UNIT X05 4882 70 E T TYPE 9 9V 4 6V 1 1V 7 5V 2 1V AM HF FM LF HF LF VOLTAGE VT BAND FREQ HF HIGH FREQUENCY LF LOW FREQUENCY VT VOLTAGE MODE CARRIER MODULATION ANT INPUT FREQUENCY DEVIATION FM 98MHz 1kHz STEREO 67 5kHz 7 5kHz Pilot 60dB AM 1000 999 kHz 400Hz MONO 30 MOD 60dB The DC voltage is an actual reading measured with a high impeda...

Page 13: ... 022 3 3K 3 3K C52 C51 X31 456KHz C47 C48 100P L34 R41 2 2K 3 3K R40 1000P C50 C94 1000P 47K R42 3 9K R47 3 9K R48 C44 0 047 0 47u50 C43 R36 39K 100K R56 10K R50 47K R55 68K R54 C60 0 1 100K R52 1K R51 1K R53 R1 100 R4 680 C3 0 01 R5 330 330 3 3K R8 R7 22 R6 CF1 CF2 R9 100 220 R2 0 01 C4 0 01 C5 R12 1 2K C7 0 01 330 R13 330 R14 3 3K R10 680 R11 22 R16 0 01 C6 C8 0 01 100 R15 Q1 2 2 1 L63 10uH 6P C...

Page 14: ... DO CE T MUTE ST SD SCL SDA LEVEL IN SLEVEL 9 8 14 13 7 6 1 5 15 5 6 8 7 2 3 4 1 10u25 C14 10u25 C13 220P 220P R28 220K R27 220K C17 100P 100P C18 R26 330 R25 330 0 01 C118 C119 0 01 R30 220K 220K R29 C20 10u25 10u25 C19 C16 C15 12V 12V 12V 12V 0 01 C117 9 8 7 6 5 13 14 10 9 8 7 6 5 4 3 2 1 15 14 13 12 11 1 3 2 4 8 6 5 7 9 11 10 13 12 8 7 6 5 4 3 2 1 SDATA SBUSY GND 5 6V 30V F OFF GND AC AC HP MUT...

Page 15: ...R87 10K K3 R164 10K R163 2 2K 1K R53 1K R52 220u10 C139 R84 47K R88 10K 1 5K R168 R169 100 C140 2200P 2 2 1 4W R155 23 6V 23 6V 23 6V 23 6V Rch GND Lch 12V 12V GND MUTE ATT LEVEL GND 22P R97 R182 SCL SDA Lch OUT Lch NF Rch NF Lch OUT B B Rch OUT Rch OUT GND B B R135 R149 47K 2 2K R39 1K R41 R170 10K 2 2 R142 47u25 C143 10K R158 2 2 R141 1 1K R189 4 7u25 100P C42 100P C41 1 4W 24V 24V 24V 24V B B 1...

Page 16: ...G2 G1 VDD 5V E2PROM SCL E2PROM SCL NC NC A CLASS ON 12V ON OFF SEL STB PLL SEL CLK PLL SEL DATA RESET CE PLL DO AVSS GND PLL CE T MUTE STEREO SD S1 S15 S15 S15 S15 S2 S3 S5 S4 S7 S6 S8 S9 S10 S11 S16 1 AC AC 2 3 1G 4 2G 5 3G 6 4G 7 5G 8 6G 9 7G 10 8G 11 9G 12 NX 13 14 15 16 17 18 19 P1 20 P2 21 P3 22 P4 23 P5 24 P6 25 P7 26 P8 27 P9 28 P10 29 P11 30 P12 31 NX NX NX NX NX NX X501 4 194 S DATA AC S ...

Page 17: ...Jx2 X09 D 7 X09 A 7 X09 G 7 X09 E 7 X09 B 7 X09 C 7 X09 F 7 X05 4600 00 E A L MX2 J 5 SPEAKERS J 1 J 2 J 3 MD TAPE AUX CD J 4 SYSTEM CONTROL ANTENNA J 1 M T E type only 650 620 651 639 619 622 606 760 607 601 739 775 766 766 702 707 766 766 ø3x18 ø2 5x3 5 rivet N09 2912 05 N09 3422 05 N29 0216 05 J L M A 1 S501 S504 ED 1 S516 623 19P 624 15P 637 E T Typeonly 635X2 626 645 636 632 642 630X2 641 614...

Page 18: ...ERAMIC FILTER CF3 L72 0593 05 CERAMIC FILTER L1 L39 1348 05 COMBINATION COIL L2 L30 0911 05 AM IFT L3 4 L40 1091 17 SMALL FIXED INDUCTOR 1UH 601 1B A01 3470 11 METALLIC CABINET 603 2A A22 1783 11 SUB PANEL TE 603 2A A22 1826 01 SUB PANEL M 604 2A A60 1677 03 PANEL TE 604 2A A60 1678 03 PANEL M 606 1A A70 1154 05 REMOTE CONTROLLER ASSY M 606 1A A70 1155 05 REMOTE CONTROLLER ASSY TE 607 1A A09 0356 ...

Page 19: ...K73FB1H103K CHIP C 0 010UF K C94 CK73FB1H102K CHIP C 1000PF K C95 CC73FCH1H470J CHIP C 47PF J X1 L77 1122 05 CRYSTAL RESONATOR 7 2MHZ X2 L78 0637 05 RESONATOR 456KHZ R1 RK73FB2A332J CHIP R 3 3K J 1 10W R2 RK73FB2A681J CHIP R 680 J 1 10W R3 RK73FB2A5R6J CHIP R 5 6 J 1 10W R4 5 RK73FB2A331J CHIP R 330 J 1 10W R6 RK73FB2A101J CHIP R 100 J 1 10W R7 RK73FB2A473J CHIP R 47K J 1 10W R8 RK73FB2A331J CHIP ...

Page 20: ...STOR C96 CC73FSL1H101J CHIP C 100PF J CN1 E40 4609 05 PIN ASSY CN2 E40 4871 05 PIN ASSY J1 E20 0321 05 LOCK TERMINAL BOARD 2P F J1 E70 0052 05 LOCK TERMINAL BOARD J2 F10 1053 04 SHIELDING PLATE CF1 2 L72 0536 05 CERAMIC FILTER L31 L30 0929 05 FM IFT L32 L30 0930 05 FM IFT L33 L30 0911 05 AM IFT L34 L79 1237 05 LC FILTER L35 36 L79 1236 05 LC FILTER L61 L40 1091 17 SMALL FIXED INDUCTOR 1UH L62 L39 ...

Page 21: ...JACK J4 E08 0312 05 RECTANGULAR RECEPTACLE J5 E70 0034 05 LOCK TERMINAL BOARD Q103 2SB1218A Q R TRANSISTOR A1 W02 2565 05 FM FRONT END ASSY D560 B30 2521 05 LED YEL PHAI 3 C1 12 CC73FSL1H221J CHIP C 220PF J C13 14 CE04KW1E100M ELECTRO 10UF 25WV C15 16 CC73FSL1H221J CHIP C 220PF J C17 18 CC73FSL1H101J CHIP C 100PF J C19 20 CE04KW1E100M ELECTRO 10UF 25WV C21 22 CE04KW1H2R2M ELECTRO 2 2UF 50WV C23 24...

Page 22: ...P R 100K J 1 10W R585 RK73FB2A103J CHIP R 10K J 1 10W R586 587 RK73FB2A222J CHIP R 2 2K J 1 10W R589 RK73FB2A473J CHIP R 47K J 1 10W J501 E11 0300 05 PHONE JACK F1 F05 4016 05 FUSE SEMKO 250V T400MAL TE F1 F05 8013 05 FUSE SEMKO 250V T800MAL M CN13 14 J13 0075 05 FUSE CLIP L701 L40 1091 17 SMALL FIXED INDUCTOR 1UH TE L702 L40 1001 17 SMALL FIXED INDUCTOR 10UH K T1E1 X501 L78 0267 05 RESONATOR 4 19...

Page 23: ...RANSISTOR Q59 2SD2525 TRANSISTOR R591 RK73FB2A104J CHIP R 100K J 1 10W R592 593 RK73FB2A103J CHIP R 10K J 1 10W R704 RK73FB2A222J CHIP R 2 2K J 1 10W TE VR1 2 R12 1616 05 TRIMMING POT 1K W203 205 R92 0679 05 CHIP R 0 OHM W206 R92 0670 05 CHIP R 0 OHM W207 209 R92 0679 05 CHIP R 0 OHM W211 R92 0670 05 CHIP R 0 OHM W212 R92 0679 05 CHIP R 0 OHM W215 216 R92 0670 05 CHIP R 0 OHM W218 221 R92 0679 05 ...

Page 24: ...D1819A Q R TRANSISTOR Q64 66 2SC1845 F E TRANSISTOR Q67 2SA992 F E TRANSISTOR Q68 2SA1576A R S TRANSISTOR Q68 2SB1218A Q R TRANSISTOR Q69 70 2SC4081 R S TRANSISTOR Q69 70 2SD1819A Q R TRANSISTOR Q71 2SA954 L K TRANSISTOR Q504 2SC4081 R S TRANSISTOR Q504 2SD1819A Q R TRANSISTOR A1 W02 2561 05 ELECTRIC CIRCUIT MODULE L Scandinavia K USA P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T Eng...

Page 25: ...g temperature CD player DP SG7 Laser Semiconductor laser Playing rotation 200 rpm 500 rpm CLV Frequency response 4 Hz 20 kHz 1 0 dB Signal to noise ratio More than 100 dB Dynamic range More than 96 dB Total harmonic distortion Less than 0 004 at 1 kHz Channel separation More than 92 dB at 1 kHz Wow Flutter Unmeasurable Limit Output level Impedance Fixed 1 2 V 1 kΩ Digital output Optical 15 dBm 21 ...

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