Kenwood KRC-778R Service Manual Download Page 23

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KRC-778R/RV/RY/RYV,878R,PS978R

PARTS 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.

A N

Dest

A N

Dest

Ref.No.

Parts No.

Description

inati

Ref.No.

Parts No.

Description

inati

d w

Q82

UN2212

DIGITAL TRANSISTOR

S40-1140-05

PUSH SWITCH

Q86 ,87

DTC124EK

DIGITAL TRANSISTOR

Q86 ,87

KRC103S

TRANSISTOR

IC1

CXA2560Q

ANALOGUE IC

E1E2E3

Q86 ,87

UN2212

DIGITAL TRANSISTOR

IC1

CXA2560Q

ANALOGUE IC

E4E5

Q88 ,89

2SB1188(Q,R)

TRANSISTOR

IC1

CXA2561Q

ANALOGUE IC

DTC124EK

DIGITAL TRANSISTOR

Q91

2SC4081

TRANSISTOR

KRC103S

TRANSISTOR

Q91

2SD1819A

TRANSISTOR

Q92

DTA124EUA

DIGITAL TRANSISTOR

UN2212

DIGITAL TRANSISTOR

Q92

UN5112

DIGITAL TRANSISTOR

Q93

DTC114TK

DIGITAL TRANSISTOR

ME1

✽

D40-1138-15

CASSETTE MECHANISM ASSY

Q93

UN2215

DIGITAL TRANSISTOR

TH1

PTH9C42BD471Q POSITIVE RESISTOR

✽

N09-4368-05

MACHINE SCREW

✽

N09-4377-05

TAPTITE SCREW (2X5)

X86-3222-70

TUNER UNIT

A10-4630-08

CHASSIS ASSY

C1 -4

CK73FB1H471K

CHIP C

470PF

D10-4375-08

SLIDER(MAIN PLATE)

CE04NW1A330M ELECTRO

33UF

10WV

D13-1494-08

GEAR(B)

CE04NW1A470M ELECTRO

47UF

10WV

D13-1495-08

GEAR(C)

C7 ,8

CK73FB1H103K

CHIP C

0.010UF

D13-1496-08

GEAR(D)

C11 -14

CK73FB1C104K

CHIP C

0.10UF

D10-4376-08

ARM(P-G PLATE)

C15 ,16

CE04NW1A330M ELECTRO

33UF

10WV

J90-0948-08

GUID

C17

CK73EB1C474K

CHIP C

0.47UF

D15-0919-08

PULLEY(MID)

C20

CK73GB1H562K

CHIP C

5600PF

D13-1497-08

GEAR(P)

C21 ,22

CK73FB1E683K

CHIP C

0.068UF

J21-9458-08

MOUNTING HARDWARE(HEAD P-AS)

C23

CK73FB1C224K

CHIP C

0.22UF

G02-1332-08

FLAT SPRING(HEAD SP-P)

C24

CK73GB1C393K

CHIP C

0.039UF

E1E2E3

D13-1498-08

RACK GEAR(OP PLATE A)

C24

CK73GB1C393K

CHIP C

0.039UF

E4E5

D10-4377-08

LEVER(EJ-LEV-A)

C24

CK73GB1C473K

CHIP C

0.047UF

D10-4378-08

LEVER(SB.PL-AS)

C25 ,26

CC73GCH1H560J CHIP C

56PF

D10-4379-08

LEVER(OP-PL-HO)

CN1

E40-9702-05

FLAT CABLE CONNECTOR

D10-4380-08

LEVER(EJE-LEV-A)

CN2

E40-9218-05

PIN ASSY

G01-2960-08

TENSION COIL SPRING(E LEV-SP)

CN3

E40-9701-05

FLAT CABLE CONNECTOR

D13-1499-08

GEAR(FR)

CN4

E40-9703-05

SOCKET FOR PIN ASSY

D10-4381-08

ARM(FR-PLATE)

W1 -9

E31-0001-00

JUMPER WIRE

D10-4382-08

ARM ASSY(PINCH ROLLER F)

R1 -4

RK73FB2A243J

CHIP R

24K

1/10W

D10-4383-08

ARM ASSY(PINCH ROLLER R)

R5 ,6

RK73FB2A181J

CHIP R

180

1/10W

G01-2961-08

TORSION SPRING(SA)

RK73GB1J203J

CHIP R

20K

1/16W

D10-4384-08

ARM(SW)

RK73GB1J564J

CHIP R

560K

1/16W E1E2E3

E39-0305-08

WIRE HARNESS(M CONNECTOR ASSY)

RK73GB1J564J

CHIP R

560K

1/16W E4E5

J11-0632-08

CLAMPER

RK73GB1J684J

CHIP R

680K

1/16W E

D01-0613-08

FLYWHEEL ASSY

RK73GB1J302J

CHIP R

3.0K

1/16W E

D16-0616-08

BELT

RK73GB1J362J

CHIP R

3.6K

1/16W E1E2E3

D10-4385-08

ARM(CASSETTE LIFTER B)

RK73GB1J362J

CHIP R

3.6K

1/16W E4E5

J19-4953-08

CASSETTE HOLDER

R10

RK73GB1J303J

CHIP R

30K

1/16W E

G11-1861-08

CUSHION

R10

RK73GB1J333J

CHIP R

33K

1/16W E1E2E3

D10-4386-08

ARM ASSY

R10

RK73GB1J333J

CHIP R

33K

1/16W E4E5

G01-2962-08

TENSION COIL SPRING

R11 ,12

RK73FB2A102J

CHIP R

1.0K

1/10W E1E2E3

D10-4387-08

SLIDER

R11 ,12

RK73FB2A102J

CHIP R

1.0K

1/10W E4E5

B09-0522-08

REEL CAP

R11 ,12

RK73FB2A242J

CHIP R

2.4K

1/10W E

G01-2963-08

COMPRESSION SPRING

R13

RK73EB2B4R7J

CHIP R

4.7

1/8W

D03-0314-08

REEL GEAR ASSY

R18

RK73EB2B121J

CHIP R

120

1/8W

J69-0510-08

ADHESIVE TAPE(FFC)

VR1 ,2

R12-3100-05

TRIMMING POT.(10K)

J26-4036-08

PC BORD ASSY

W11 ,12

R92-2052-05

CHIP R

1/10W

E39-0306-08

FLAT CABLE(FFCM4)

W14

R92-2052-05

CHIP R

1/10W

T95-0245-08

PHOTO COUPLER

E: Europe K: North America M: Other Areas

indicates safety critical components.

MECHANISM ASSY (X92-379X-XX)

DOLBY NOISE REDUCTION UNIT (X87-301X-XX)

CASSETTE MECHANISM ASSY (D40-1138-15)

E : KRC-PS978R E3 : KRC-778RV
E1 : KRC-878R E4 : KRC-778RY
E2 : KRC-778R E5 : KRC-778RYV

Summary of Contents for KRC-778R

Page 1: ...01 Escutcheon assy B07 2139 03 Panel assy A64 1855 02 Panel assy KRC 778R RY A64 1856 02 KRC 778RV RYV A64 1952 02 Torsion coil spring G01 2924 04 Lever D10 4301 14 D10 4302 14 Antenna adaptor T90 0523 05 Remote controller assy A70 0886 15 Screw set N99 1683 05 Remote controller assy A70 0874 05 Mounting hardware assy J21 9491 03 DC cord KRC PS978R 878R 778R RY E30 4788 05 KRC 778RV RYV E30 4789 0...

Page 2: ...EQ H CH RST REQ C DATAH TAPE AM FM MUTE RESET SRM SW1 SRM DET SRM SW2 SUB MOT1 RCLK QUAL RDATA FM B SDA SCK A8V SW5V PLL DATA PLL CE FM SD FSD OUT REQUEST RDS OUT SW5V FM B AM B S METER FM SD NARROW IF MODE PLL CE NOISE CH MUTE BACK UP 6 13 8 SW5V S METER P MUTE EXT AMP CONT AC GND DIMMER PHONE ACC DET P CON BU DET BEEP SW5 P ON L CLK L DATAS L CE L DATAL LOCK SW DIMMER REMO BU5V 160mV 1200mV 388m...

Page 3: ...I MUTE 26 P11 ANI1 SRM_SW1 I SRM position detection Open Hi 27 P12 ANI2 NOISE I FM noise detection 28 P13 ANI3 SMETER I FM S meter detection 29 P14 ANI4 F_REEL I Cassette mechanism reel pulse input FWD 30 P15 ANI5 R_REEL I Cassette mechanism reel pulse input REV 31 P16 ANI6 N C I 32 P17 ANI7 N C I 33 AVss AVss A D GND terminal 34 P130 ANO0 EXT_AMP O External amp control L 40mS Bass boost OFF L 70m...

Page 4: ...A15 PACK_DET I Cassette mechanism pack detection Pack detected Lo 72 Vss GND GND terminal 73 P60 A16 TYPE0 I Destination type terminal 0 74 P61 A17 TYPE1 I Destination type terminal 1 75 P62 A18 TYPE2 I Destination type terminal 2 76 P63 A19 ST_TYPE0 I IC2 Ver 3 destination type terminal 0 77 P64 RD ST_TYPE1 I IC2 Ver 3 destination type terminal 1 78 P65 WR N C O Not used 79 P66 WAIT N C O Not use...

Page 5: ...E2PROM replacement during servicing KRC 888 only 1 Enter the test mode see 1 How to enter the test mode 2 Press the SRC key to select ALL OFF 3 Press and hold the AUDIO key for 1 second to enter the menu mode 4 Press the FM AM key to select SECURITY 5 Press and hold the Track UP DOWN key for 2 seconds 6 Enter the security code by pressing the preset 1 2 3 and 4 keys Example To enter 3510 Press pre...

Page 6: ...key for more than 1 second to enter the menu mode 3 Press the Track UP DOWN key to select Mask key 4 Press and hold the FM or AM key for more than 2 sec onds so that TRANSMIT1 is displayed 5 Point the MASK key cancel remote control toward the light sensor and press for more than 3 seconds until the level indicator indicates the full condition 6 When TRANSMIT2 is displayed press and hold the MASK k...

Page 7: ...nput TEST MODE ON AM 990 kHz Preset 1 key and preset 6 key While holding preset 1 key press and hold preset 6 key for a few seconds ADJ OK is displayed if the adjustment is OK and ADJ NG is displayed if it is not good CASSETTE DECK SECTION 1 AZIMUTH TCC 153 10kHz Connect a AC voltmeter to SP OUT TAPE PLAY Head Azimuth Screw Adjust the azimuth for each Lch Rch or FWD RVS becomes maximum 2 PLAY BACK...

Page 8: ...R9 KS5 KI3 R5 1 LOCK SW 26 25 R10 75 KS4 KI4 R21 KS1 51 50 C11 C8 C9 C10 R11 R12 DIMMER R30 C17 100 C12 VDD 1 R13 R14 R27 B E DGND R15 76 75 KS2 26 25 REMO R23 R8 R29 R24 R6 50 51 E B E B 15 1 2 14 L DATAS L DATAL CP1 R16 R20 L CLK L CE R22 ILL B KS3 R17 C13 KI5 IC1 CN1 Q3 Q8 Q2 Q1 Q5 Q4 Q7 Q6 D1 IC2 S23 S22 Q2 Q6 Q7 Q5 S23 Q1 IC1 S22 D1 Q8 IC2 Q4 Q3 CN1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S21...

Page 9: ...6 Q28 Q42 D31 Q38 Q20 CN4 F E J1 J3 J74 0986 22 X14 618X XX A 2 D33 IC13 D32 D40 CN3 CN2 CN9 WH1 J2 D39 J1 D44 D37 D36 8V 5V L6 L5 L8 R110 R118 R108 VR1 R152 R149 R151 R174 R5 R6 R9 R10 R145 R148 R142 R141 C12 C11 C15 C16 R196 R195 R197 R103 R97 R98 R60 R131 R109 W32 R106 R112 R32 R33 R30 R31 R36 R37 R34 R35 R29 R27 R28 R23 R24 R38 R52 R55 R51 R58 R59 R56 R57 R43 R44 R41 R42 R45 R46 C162 R293 C257...

Page 10: ...73 D74 D79 D76 Q82 D77 D72 Q45 D81 IC15 Q32 D38 D1 D21 D3 Q18 IC3 Q19 Q21 Q36 Q23 Q37 Q35 D42 D46 D45 Q43 Q33 IC12 D71 IC5 J2 Q3 Q4 CN6 WH1 F E CN8 CN2 CN3 D6 IC4 D18 D12 J1 IC13 D55 Q60 D7 Q59 Q57 D51 D50 IC14 Q25 Q55 Q56 D31 D37 D36 D40 Q28 IC10 Q31 X14 618X XX A 2 J74 0986 22 IC2 CN1 IC1 D78 Q41 Q20 D13 D15 D39 Q26 D17 D11 8V Q27 D32 5V Q22 J3 D22 D53 Q44 Q38 Q42 D44 D33 CN4 Q40 IC11 Q91 CN9 X1...

Page 11: ... 3 1 AUX2 OUTL HP FR1 0 01 C131 C132 GND QUAL MP IN LEVEL MP OUT SMUTE 18 14 12 13 15 16 17 MPX NC NC 19 20 21 22 NC NC NC AM IF 24 23 SDA SCL 25 NC 6 23 1u50 C143 AGND 25 CL1 4 CREF 24 CL2 5 0 27 7 22 C11 HP FL1 0 27 CR2 21 HP FL2 0 27 8 AUX2 OUTR 29 CDL OUT NC NC NC CDL NC 27 VDD 26 OUT RR 28 CDR OUT CD GND CDR 31 30 OUT RF OUT LR 32 NC OUT LF 0 27 C13 C14 19 HP FR2 20 C12 HP FLOUT 9 18 HP RL1 0...

Page 12: ... 10 REQUEST 11 K2I VTH IF SELECT 8 9 RDS OUT 1 4 7uH Q87 89 L4 87 Q86 88 1K R167 22K R165 4 7uH 88 R168 22K R166 1K 4 0 01 C153 N C N C 7 5 FM B AM B 6 0 01 C151 L2 3 AM ANT IN 2 RF GND FM ANT IN L3 D61 2 1 L1 52mH NO ICL7660SIBA NO UPD784218GC105 IC1 NO TC7662BEOA A1 X86 3222 70 YES NO NO YES NO NO NO YES YES NO NO YES NO NO YES YES YES NO NO NO NO NO YES NO NO YES NO YES NO NO YES YES YES YES NO...

Page 13: ... COM6 60 69 IC2 SEG31 31 IC2 COM5 61 68 IC2 SEG32 32 IC2 COM4 62 67 IC2 SEG33 33 IC2 COM3 63 66 IC2 SEG34 34 IC2 COM2 64 65 IC2 SEG35 35 139 138 137 136 135 134 IC1 SEG1 IC1 SEG2 IC1 SEG3 IC1 SEG4 IC1 SEG5 2 1 5 3 4 133 132 131 130 129 IC1 SEG6 IC1 SEG7 IC1 SEG8 IC1 SEG9 IC1 SEG10 IC1 SEG11 8 9 6 7 10 11 25 23 24 21 22 20 19 18 17 16 15 13 14 11 12 10 9 7 8 6 5 4 3 1 2 50 48 49 47 46 45 44 43 42 4...

Page 14: ...SEG24 SEG25 SEG26 SEG44 SEG45 SEG30 SEG41 SEG42 SEG43 SEG46 SEG47 SEG49 SEG48 SEG50 SEG15 SEG7 SEG3 SEG1 SEG2 SEG4 SEG5 SEG6 SEG10 SEG12 SEG14 SEG13 SEG11 SEG8 SEG9 SEG41 SEG23 SEG19 SEG17 SEG18 SEG20 SEG16 SEG22 SEG21 SEG27 SEG25 SEG26 SEG28 SEG24 SEG30 SEG29 SEG49 SEG45 SEG43 SEG44 SEG42 SEG46 SEG47 SEG48 SEG50 SEG60 SEG58 SEG56 SEG57 SEG59 SEG54 SEG53 SEG52 SEG55 SEG51 3 2 1 11 6 5 4 8 7 10 9 1...

Page 15: ...58 56 57 52 53 54 44 CM1 CM2 25 21 24 45 23 65 65 66 66 67 67 33 34 10 11 1 31 30 9 9 HD1 17 15 4 22 12 12 20 5 6 7 26 48 48 49 27 893 94 90 94 92 75 D N G H C C F B E E E B G H N D Ax2 Ax2 K J J 1 2 3 A B KRC 778R RV RY RYV 878R PS978R 24 EXPLODED VIEW MECHANISM ...

Page 16: ... A 2 B 2 X14 6182 XX Ax2 Q Mx2 Mx2 Tx2 J X K K D D R Dx2 Dx2 R D D D R Q K K R N N N U Gx2 Gx2 U X13 9720 20 F F Fx2 X87 301X XX 807 805 792 752 792 811 810 808 790 762 761 717 797 X14 X14 X13 978 X92 X13 978 X13 978 X13 978 X13 972 X13 972 X13 972 X13 972 X13 972 X13 978 X13 978 J 2 744 243 243 243 243 713 253 250 250 223 224 269 258 214 242 242 DC1 RC1 RC2 254 287 225 226 284 218 200 216 202 239...

Page 17: ...ING 218 1C B07 2139 03 ESCUTCHEON ASSY E4E5 254 1C G01 2924 04 TORSION COIL SPRING 218 1C B07 2146 03 ESCUTCHEON ASSY E 255 2D G01 2984 04 EXTENSION SPRING 220 3C B10 3095 01 FRONT GLASS E 258 3C G11 1797 04 CUSHION 220 3C B10 3096 01 FRONT GLASS E1 259 2D G11 1850 04 CUSHION 220 3C B10 3097 01 FRONT GLASS E2E4 260 2D G16 1147 04 SHEET 220 3C B10 3098 01 FRONT GLASS E3E5 B46 0100 50 WARRANTY CARD ...

Page 18: ...11 0970 04 REFLECTION SHEET Q1 2 UN2111 DIGITAL TRANSISTOR 294 2C B11 0990 04 OPTICAL DIFFUSER E3E5 Q3 4 2SD2114K TRANSISTOR 294 2C B11 1301 04 OPTICAL DIFFUSER EE1E2 Q5 DTC114YK DIGITAL TRANSISTOR 294 2C B11 1301 04 OPTICAL DIFFUSER E4 Q5 KRC107S TRANSISTOR Q5 UN2214 DIGITAL TRANSISTOR 295 2C B19 2017 03 LIGHTING BOARD D2 4 B30 1571 05 LED WHITE Q6 7 DTC114YK DIGITAL TRANSISTOR D5 6 B30 1562 05 L...

Page 19: ...470PF K C89 CK73FB1H103K CHIP C 0 010UF K C206 CC73FCH1H820J CHIP C 82PF J C90 C90 2598 05 ELECTRO 3 3UF 25WV C207 CC73FCH1H180J CHIP C 18PF J C91 CK73FB1E683K CHIP C 0 068UF K C208 209 CK73FB1H122K CHIP C 1200PF K C92 C90 2602 05 ELECTRO 0 10UF 50WV C210 CC73FCH1H060D CHIP C 6 0PF D C93 CK73FB1H103K CHIP C 0 010UF K C211 CK73FB1H471K CHIP C 470PF K C94 C92 0686 05 ELECTRO 1UF 50WV C212 CC73FCH1H1...

Page 20: ... 4 7K J 1 10W R118 R92 0365 05 CHIP R 1 0K J 1 2W R23 24 RK73FB2A222J CHIP R 2 2K J 1 10W E R119 RK73FB2A103J CHIP R 10K J 1 10W R23 24 RK73FB2A223J CHIP R 22K J 1 10W E1E2E3 R120 RK73FB2A122J CHIP R 1 2K J 1 10W R23 24 RK73FB2A223J CHIP R 22K J 1 10W E4E5 R121 122 R92 2104 05 CHIP R 2 2 J 1W R27 28 RK73FB2A223J CHIP R 22K J 1 10W E R124 RK73FB2A751J CHIP R 750 J 1 10W R29 30 RK73FB2A103J CHIP R 1...

Page 21: ...J CHIP R 47K J 1 10W E3E5 W5 6 R92 2052 05 CHIP R 0 J 1 10W E1 R252 253 RK73FB2A473J CHIP R 47K J 1 10W E1 W7 8 R92 2052 05 CHIP R 0 J 1 10W EE2E3 R253 RK73FB2A473J CHIP R 47K J 1 10W E2E4 W7 8 R92 2052 05 CHIP R 0 J 1 10W E4E5 R254 RK73FB2A473J CHIP R 47K J 1 10W E W11 R92 2053 05 CHIP R 0 J 1 8W R254 255 RK73FB2A473J CHIP R 47K J 1 10W E3E5 W33 R92 2052 05 CHIP R 0 J 1 10W R256 RK73FB2A473J CHIP...

Page 22: ... COM IC EE1 Q40 UN5212 DIGITAL TRANSISTOR IC2 TDA7400 ANALOGUE IC Q41 DTC114YUA DIGITAL TRANSISTOR IC3 M5237ML IC VOLTAGE REGULATOR Q41 UN5214 DIGITAL TRANSISTOR IC4 TDA7386 ANALOGUE IC Q42 2SB1443 TRANSISTOR IC5 TDA7401 ANALOGUE IC EE1 Q43 DTC114YK DIGITAL TRANSISTOR IC6 TC7662BEOA ANALOGUE IC E Q43 KRC107S TRANSISTOR IC7 9 NJM4565M TE2 ANALOGUE IC E Q43 UN2214 DIGITAL TRANSISTOR IC10 TC74HC02AF ...

Page 23: ...S C25 26 CC73GCH1H560J CHIP C 56PF J E 23 2A D10 4379 08 LEVER OP PL HO CN1 E40 9702 05 FLAT CABLE CONNECTOR 24 1A D10 4380 08 LEVER EJE LEV A CN2 E40 9218 05 PIN ASSY 25 1A G01 2960 08 TENSION COIL SPRING E LEV SP CN3 E40 9701 05 FLAT CABLE CONNECTOR 26 3A D13 1499 08 GEAR FR CN4 E40 9703 05 SOCKET FOR PIN ASSY 27 3A D10 4381 08 ARM FR PLATE W1 9 E31 0001 00 JUMPER WIRE 30 2B D10 4382 08 ARM ASSY...

Page 24: ...ASHER 1 55X35 C 2A N09 4325 08 SCREW 2X13ADS CM1 1A T42 1002 08 MOTOR ASSY MAIN CM2 1A T42 1001 08 MOTOR ASSY SUB A D 2A N09 4326 08 SCREW 2X3 E 2A N09 4058 08 SEMS 2X3AMS F 2B N19 2038 08 FLAT WASHER 0 85X2 8 G 2B N19 2136 08 FLAT WASHER 1 55X3 H 2B N19 2137 08 FLAT WASHER 2 1X3 5 HD1 2B T31 0226 08 PLAYBACK HEAD J 3B N19 2138 08 FLAT WASHER 2 1X3 5 K 3B N09 4327 08 SCREW N 1B N19 2139 08 FLAT WA...

Page 25: ...el 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia KRC PS978R KRC 878R KRC 778R RY KRC 778RV RYV Frequency Range MHz 87 5MHz 108 0MHz 87 5MHz 108 0MHz 87 5MHz 108 0MHz 87 5MHz 108 0MHz Frequency step 50kHz 50kHz 50kHz 50kHz Usable Sensitivity 0 7µV 75Ω 0 7µV 75Ω 0 7µV 75Ω 0 7µV 75Ω S N 26dB FM Quieting Sensitivity 1 6µV 75Ω 1 6µV 75Ω 1 6µV 75Ω 1 6µV 75Ω S N 46dB...

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