Kenwood KRC-V791 Service Manual Download

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KRC-V791

PARTS LIST

Ref.No.

Parts No.

Description

A
d
d

Dest
inati
on

Ref.No.

Parts No.

Description

A
d
d

Dest
inati
on

∗

New Parts

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

R: KRC-465R

L: KRC-365L

E2: KRC-36Y

E: English

T: Chinese

A: Arabic

indicates safety critical components.

KRC-V791

201

A02-1497-13

PLASTIC CABINET ASSY

203

A10-4807-13

CHASSIS CALKING ASSY

204

A10-4810-13

CHASSIS CALKING ASSY

206

A10-4834-02

CHASSIS

208

A10-4893-04

CHASSIS CALKING ASSY

209

A21-4171-03

DRESSING PANEL

210

A22-2867-03

SUB PANEL ASSY

211

A46-1753-01

REAR COVER

212

A52-0784-02

TOP PLATE

PA1

∗

A64-2576-02

PANEL ASSY

PME

A10-4814-22

CHASSIS ASSY

RM1

A70-2025-05

REMOTE CONTROLLER ASSY

RM2

A70-0886-15

REMOTE CONTROLLER ASSY

216

B03-3073-12

DRESSING PLATE

217

B07-3007-03

ESCUTCHEON ASSY

219

∗

B10-4155-01

FRONT GLASS

220

B10-4222-03

FRONT GLASS

B46-0100-50

WARRANTY CARD

B46-0632-04

ID CARD

B58-1309-04

CAUTION CARD

B58-1380-04

CAUTION CARD

B64-2160-00

INSTRUCTION MANUAL E

B64-2161-00

INSTRUCTION MANUAL F,G,D

B64-2162-00

INSTRUCTION MANUAL I,S,P

222

D10-4562-04

LEVER

223

D10-4563-04

ARM ASSY

224

D10-4590-04

ARM

225

D13-2135-04

GEAR ASSY

226

D13-2138-04

GEAR

227

D13-2139-04

GEAR

228

D13-2140-04

GEAR

229

D13-2141-14

GEAR ASSY

CASSETTE MECHANISM ASSY

FUSE(MINI BLADE TYPE)

244

G01-3069-04

EXTENSION SPRING

245

G01-3080-04

TORSION COIL SPRING

246

G09-2038-04

FORMED WIRE

247

G09-2042-04

FORMED WIRE

248

G11-1927-04

CUSHION

251

G16-1177-04

SHEET

H10-4766-12

POLYSTYRENE FOAMED FIXTURE

H25-0337-04

PROTECTION BAG (180X300X0.03)

H25-1108-04

PROTECTION BAG (100X300X0.03)

H25-1111-04

PROTECTION BAG (280X450X0.03)

H30-0544-04

ADHESIVE DOUBLE-COATED TAPE

∗

H54-2334-03

ITEM CARTON CASE

257

J21-9651-13

MOUNTING HARDWARE ASSY

258

J21-9699-04

MOUNTING HARDWARE

259

J21-9716-03

MOUNTING HARDWARE ASSY

262

J90-0999-04

GUIDE

FPC1

J84-0122-04

FLEXIBLE PRINTED WIRING BOARD

265

K24-3646-04

KNOB

OPEN

266

K24-3835-04

KNOB

SRC

267

K25-1404-03

KNOB

VOL

268

K25-1405-02

KNOB

1-6

269

K25-1406-03

KNOB

FM,AM

270

K25-1407-03

KNOB

PROG

271

K25-1408-03

KNOB

UP,DOWN

272

K29-7017-03

KNOB

LOCK

281

N99-1704-05

SCREW SET

N09-4400-05

MACHINE SCREW

N09-4401-05

MACHINE SCREW

N09-4427-05

TAPTITE SCREW

N09-4448-05

MACHINE SCREW

N09-4449-05

MACHINE SCREW

N19-2154-04

FLAT WASHER

N19-2155-04

FLAT WASHER

N19-2156-04

FLAT WASHER

N29-0522-05

RETAINING RING

N29-0523-05

RETAINING RING

N38-2025-46

PAN HEAD MACHIN SCREW

N80-2005-46

PAN HEAD TAPTITE SCREW

N80-2008-45

PAN HEAD TAPTITE SCREW

N83-3005-46

PAN HEAD TAPTITE SCREW

N86-2004-45

BINDING HEAD TAPTITE SCREW

N09-4377-05

TAPTITE SCREW (2X5S SW C-MECH)

N09-4368-05

MACHINE SCREW (C-MECHA.)

PS1-3

S68-0856-05

PUSH SWITCH

283

T90-0523-05

ANTENNA ADAPTOR

PM1

T42-1034-04

MOTOR ASSY

C1,2

C90-2606-05

ELECTRO

0.47UF

50WV

CE04CW0J470M

ELECTRO

47UF

6.3WV

C5,6

CK73GB0J105K

CHIP C

1.0UF

C27-30

C90-2597-05

ELECTRO

10UF

16WV

C31-34

C90-5297-05

NP-ELECT

0.22UF

50WV

C59,60

CK73FB1H104K

CHIP C

0.10UF

C80

CK73GB1H222K

CHIP C

2200PF K

C81

C90-5242-05

ELECTRO

3300UF 16WV

C82

CE04CW1E101M

ELECTRO

100UF

25WV

C83

CK73GB1H103K

CHIP C

0.010UF K

C84

C90-2594-05

ELECTRO

10UF

10WV

C85

CE04CW0J101M

ELECTRO

100UF

6.3WV

C86

CK73FB1C105K

CHIP C

1.0UF

C87

CE04CW1A221M

ELECTRO

220UF

10WV

C88

CK73GB1H102K

CHIP C

1000PF K

SYNTHESIZER UNIT (X14-6442-74)

The language of an instruction manual.

E : ENG

F : FRE
G : GER
S : SPA

P : POR
D : DUT
I

: ITA

H : HUN
C : CRO
R : RUS

O : POL
Z : CZE
L : SLO

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for KRC-V791

Page 1: ...er assy A70 0886 15 Antenna adaptor T90 0523 05 Screw set N99 1704 05 Torsion coil spring G01 2924 04 Lever D10 4562 04 x2 Mounting hardware assy J21 9716 03 Remote controller assy A70 2025 05 Plastic cabinet assy A02 1497 13 MASK key Knob PROG K25 1407 03 Front glass B10 4222 03 The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40 1122 05 Please refer to the service manual for model...

Page 2: ... 2 SUB MOT B SUB MODE 1 MS MODE F R MUTE MTL ON OFF BOLBY B C DOLBY ON OFF MS OUT R REEL F REEL MODE 3 TAPE IN SRM SW2 SRM SW1 RCLK QUAL RDATA NOISE S METER IFC IFC OUT PLL DATA PLL CLK MS OUT MTL ON OFF MODE 2 MODE 3 R REEL MODE 1 F REEL MS MODE F R MUTE DOLBY ON OFF DATA C CH RST CH MUTE DOLBY B C DATA H CH CON CH CLK REQ H REQ C TAPE IN SRM DET RESET SUB MOT2 SUB MOT1 SUB MOT3 CASS SRM MOTOR IL...

Page 3: ...5V ON when the base goes L Q24 B U detection ON when the base goes H during B U applied Q25 ACC detection ON when the base goes H during ACC applied Q28 31 P CON SW Q28 is turned ON when Q31 s base goes H Q32 Dimmer SW ON when the base goes H while vehicle small lamps turn on Q33 34 44 Illumination AVR ON when Q44 s base goes H Q36 SW 14V ON when base goes H Q37 38 Motor driver supply Q38 is turne...

Page 4: ...L OFF H 26 CH MUTE I Muting request from CH ON H OFF L 27 CH CON O CH control output ON H OFF L 28 CH REQH O Request output to CH Requested L 29 CH RST O Reset output to CH Normal L When the system is reset turns H then L in 400 ms after recovery from reset 30 EXT AMP CONT O External amplifier control terminal In 200 ms L 40 ms Bass boost OFF L 70 ms Bass boost LOW L 100 ms Bass boost HIGH 31 RESE...

Page 5: ...F REEL I Cassette mechanism reel pulse input FWD Vth 2 5 V 77 N C I No connection Connected to GND 78 SRM DET I SRM mechanism detection SRM mechanism detected L 79 NOISE I FM noise detection terminal Model without RDS Connected to GND 80 S METER I Signal meter detection terminal 81 R DATA I RDS decoder DATA input terminal Model without RDS and RBDS Connected to GND 82 R QUAL I RDS decoder QUAL inp...

Page 6: ...t Mode 7 Audio related specifications A short press of the Q key initiates the audio adjustment mode Pressing the key on the remote initiates the audio adjustment mode Continuous holding of a remote control key is inhibited Bass Middle and Treble are adjusted in 3 steps of Min Center Max with the Track Up Down keys Balance is adjusted in 3 steps of Left Max Center Right Max with the Track Up Down ...

Page 7: ... security Mask key is approved reset ting the unit while holding the ATT and Preset 4 keys makes it possible to turn the power ON for 30 minutes After 30 minutes have elapsed it is not possible to return to the previous condition unless the unit is reset again Method of registration of the security code after EEPROM Tuner Unit Ass y replacement Code security model 1 Enter the test mode See 1 How t...

Page 8: ...de is initiated The display at this time should show in place of 3 Press and hold the key on the Master key remote for more than 3 seconds 4 When TRANSMIT2 is displayed press and hold the key on the Master key remote for more than 3 seconds 5 When APPROVED is displayed the Mask key is cleared the demonstration mode is initiated the test mode is terminated and the unit returns to the factory condit...

Page 9: ... VCC Red Green Blue M62333 FP B30 1599 DTC143TUA 2SC4081 R4 R6 R3 R5 X4 0 5V Eliminates Noise D A converter IC3 Eliminates ripple Eliminates Noise Constant current circuit 4 7uF is necessary for gradual change of the colors 100KΩ for decreasing the capacity of condenser PAN 5V 100k 100k 100k 100k 5V 0 01µ ILL B 9 7 10 24V Buffer Amp CIRCUIT DESCRIPTION www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9...

Page 10: ...r position ATTENTION tongue Turn 2 times End of Roller ass y FPC Assembly of FPC Flexible PC board onto Roller ass y Turn Roller ass y by 2 times Hook the end of Roller ass y to the tongue Insert the FPC into the slit of Roller ass y then release the end of Roller ass y and the tongue Adjustment Points Adjusts Dolby Level Reactivates TCC 130 Dolby Level Tape and adjusts VR1 so that the test pin ou...

Page 11: ... C135 R162 C136 C137 R161 C157 C156 C138 R219 R220 R131 R192 C131 R340 R195 X1 R114 R367 CP9 R196 CP8 C307 C305 R348 R286 R311 E B B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E A8V X2 ILL B 20MHz TEST IC2D IC2C SW5V CLK NOISE IFC PANEL5V 5V SDA SCL PMUTE SVR STBY 4 332MHz NOISE AUDIO RESET MCD DATAS SCD DATAL 32KHz C81 W7 W10 L6 L5 R110 R100 C94 C111 C84 L3 C133 C114 C90 C33 C32 C31 ...

Page 12: ...IC10 Q21 D1 IC3 D22 Q23 D50 Q72 Q88 Q89 D2 X14 6442 74 J74 1140 12 J74 1397 02 SYNTHESIZER UNIT SYNTHESIZER UNIT X14 6442 74 O N f e R s s e r d d A C I Q 1 Q 5 1 Q 6 3 Q 3 4 Q 3 5 Q 3 6 Q 2 7 Q 3 O N f e R s s e r d d A C I Q 3 O 3 0 1 M 4 5 1 M 4 8 1 O 3 9 1 O 3 1 2 O 3 3 2 N 3 7 2 N 4 9 2 N 4 0 3 N 4 1 3 N 4 3 3 O 5 7 3 N 5 1 4 O 4 3 4 O 5 5 4 N 5 2 7 L 3 8 8 L 3 9 8 L 3 SWITCH UNIT X16 1542 75...

Page 13: ...3 R11 10 11 1 40 C13 R10 C21 C20 R9 C7 R5 C25 C11 E B R13 R1 C1 W11 R2 C2 R3 C3 IC1 Q1 X87 3022 72 J74 1148 12 PC BOARD Component Side View Refer to the schematic diagram for the values of resistors and capacitors DOLBY UNIT Foil Side View DOLBY UNIT 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 13...

Page 14: ... LINE OUT2 TAPE IN2 OUT REF2 PB OUT2 19 32 K A K C R11 C7 C13 0 1 0 033 5V E C NC 12 7 MODE2 3 5V E 9 F REEL ANODE R REEL 10 11 PON 5V 8 2 1 MOED1 6 MOT G MODE3 4 5 8V 10K VR1 4 7 R13 1K 0 01 47u10 C6 C11 0 1 4700P C17 0 47 C20 1 SUB SUB MOT B 2 3 1 W11 R5 C15 33u10 180 R3 24K C3 470P 1 2 3 4 C5 470P R2 R1 24K C1 470P C2 24K 33u10 2 3 4 14 MS OUT PB REF 8 LINE OUT1 TAPE IN1 OUT REF1 PB OUT1 40 2 1...

Page 15: ...R ACC TEL MUTE P CON EXT AMP CONT ANT GND DIMMER 6 7 3 4 5 13 11 12 14 15 8 BUP 16 FR 10u16 C30 360 R10 R37 22K R38 22K 4 3300u16 RL RL FL FL 1u50 C114 15 1 9 5 4 3 6 2 11 10 12 13 8 7 REQ H D GND B U CH CON MUTE A GND RST Rch REQC DATA C DATA H Lch CH CLK 1 2 3 4 5 6 7 8 9 10 11 12 13 REQ H B U MUTE Rch A GND REQ C RST DATA C CH CLK Lch DATA H D GND CH CON R8 360 RR C28 10u16 360 RL 10u16 R7 C27 ...

Page 16: ... L10 100K CP7 2 2K R340 2 2K R339 10K R338 1K 2 2K 1K C304 88 96 81 87 82 86 84 85 92 89 91 99 95 94 78 79 CP4 1K 47K R365 R366 47K 1K R359 69 68 67 66 65 R328 100K R326 100K 100K R323 100K 100K 63 R324 53 CP3 1K CP2 4 7K X1 20MHz X2 0 01 C251 27P C302 C301 C303 1 29 30 26 27 28 42 46 47 48 44 43 R303 470 47K R352 R302 470 R305 4 7K R304 4 7K 0 01 C307 R310 10K R311 10K R313 10K R308 1K R309 1K 1 ...

Page 17: ... 10K R16 R5 C4 C3 R4 C2 R3 0 1 100 R9 2 2 C7 S49 S48 S25 S24 S50 S46 S47 S48 S49 28 29 30 31 32 S28 S27 S26 79 KI3 78 KI2 KI4 80 KI1 77 KS6 76 KI5 R13 1K 84 83 1 VDD S GND R10 CP1 470 R8 22K 97 98 99 100 97 98 99 100 C1 680P R1 43K GND2 VCC 4 3 GND1 OUT 1 2 KS5 R14 1K R18 330 R19 330 R20 330 R21 330 84 83 KS4 SDA 3 9K R6 2 2K 2 2K 2 2K R2 2 2K 2 2 22K 750 SEG17 35 C8 C4 C5 C7 C6 C2 C1 C3 S1 SEG1 1...

Page 18: ... 301 303 302 304 790 ED1 X16 C D 1 2 3 24 23 KRC V791 KRC V791 EXPLODED VIEW MECHANISM EXPLODED VIEW UNIT Parts with exploded numbers larger than 700 are not suppied A B 1 2 3 Parts with exploded numbers larger than 700 are not suppied 58 56 57 52 53 54 CM1 CM2 25 21 24 45 23 65 65 66 66 67 67 10 11 1 31 30 34 33 9 9 HD1 17 15 4 22 12 12 20 5 6 7 26 48 48 49 27 94 91 92 94 D N G H C C F B E E E B ...

Page 19: ...7 04 PROTECTION BAG 180X300X0 03 H25 1108 04 PROTECTION BAG 100X300X0 03 H25 1111 04 PROTECTION BAG 280X450X0 03 H30 0544 04 ADHESIVE DOUBLE COATED TAPE H54 2334 03 ITEM CARTON CASE 257 2C J21 9651 13 MOUNTING HARDWARE ASSY 258 2C J21 9699 04 MOUNTING HARDWARE 259 1C J21 9716 03 MOUNTING HARDWARE ASSY 262 2C J90 0999 04 GUIDE FPC1 1C J84 0122 04 FLEXIBLE PRINTED WIRING BOARD 265 2C K24 3646 04 KNO...

Page 20: ...05 CORD WITH PLUG L1 L33 1039 05 LINE FILTER COIL L3 4 L40 4795 91 SMALL FIXED INDUCTOR 4 7UH J L5 L40 4791 17 SMALL FIXED INDUCTOR 4 7UH K L6 L40 4795 91 SMALL FIXED INDUCTOR 4 7UH J L7 L40 4791 17 SMALL FIXED INDUCTOR 4 7UH K L8 9 L40 4795 91 SMALL FIXED INDUCTOR 4 7UH J L10 L92 0075 05 CHIP FERRITE L12 L33 1170 05 CHOKE COIL ASSY X1 L78 0821 05 RESONATOR X2 L77 2738 05 CRYSTAL RESONATOR X3 L77 ...

Page 21: ...K J 1 10W R310 313 RK73GB2A103J CHIP R 10K J 1 10W R315 RK73GB2A472J CHIP R 4 7K J 1 10W R321 RK73GB2A104J CHIP R 100K J 1 10W R323 RK73GB2A104J CHIP R 100K J 1 10W R326 RK73GB2A104J CHIP R 100K J 1 10W R328 RK73GB2A104J CHIP R 100K J 1 10W R331 333 RK73GB2A102J CHIP R 1 0K J 1 10W R335 RK73GB2A222J CHIP R 2 2K J 1 10W R338 RK73GB2A102J CHIP R 1 0K J 1 10W R339 RK73GB2A103J CHIP R 10K J 1 10W R340...

Page 22: ...Q45 2SA1576A TRANSISTOR Q45 2SB1218A TRANSISTOR Q46 DTC144EK DIGITAL TRANSISTOR Q46 KRC104S DIGITAL TRANSISTOR Q71 DTA124EK DIGITAL TRANSISTOR SUB CIRCUIT UNIT X16 1182 71 Q71 KRA103S DIGITAL TRANSISTOR Q72 DTC124EK DIGITAL TRANSISTOR Q72 KRC103S DIGITAL TRANSISTOR Q73 2SC2412K TRANSISTOR Q73 2SD601A TRANSISTOR Q85 DTC144EUA DIGITAL TRANSISTOR Q85 UN5213 DIGITAL TRANSISTOR Q86 87 DTC124EK DIGITAL ...

Page 23: ...CHIP R 20K J 1 10W R8 RK73GB2A224J CHIP R 220K J 1 10W R9 RK73GB2A272J CHIP R 2 7K J 1 10W R10 RK73GB2A333J CHIP R 33K J 1 10W R11 12 RK73FB2B102J CHIP R 1 0K J 1 8W R13 RK73EB2E4R7J CHIP R 4 7 J 1 4W R14 RK73GB2A103J CHIP R 10K J 1 10W VR1 2 R12 3100 05 TRIMMING POT 10K W11 12 R92 2052 05 CHIP R 0 OHM J 1 10W W14 R92 2052 05 CHIP R 0 OHM J 1 10W S1 S40 1140 05 PUSH SWITCH IC1 CXA2560Q ANALOGUE IC...

Page 24: ...KRC 36Y E English T Chinese A Arabic indicates safety critical components H 2B N19 2137 08 FLAT WASHER 2 1X3 5 J 3B N19 2138 08 FLAT WASHER 2 1X3 5 K 3B N09 4327 08 SCREW N 1B N19 2139 08 FLAT WASHER 2 1X4 0 CM1 1A T42 1002 08 MOTOR ASSY MAIN CM2 1A T42 1001 08 MOTOR ASSY SUB A HD1 2B T31 0226 08 PLAYBACK HEAD CASSETTE MECHANISM ASSY D40 1146 05 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL ...

Page 25: ...hape 5 Voltage rating 4 Temp coefficient 3 Dimension 6 Value 7 Tolerance 7 6 5 4 3 2 1 EX C K 7 3 F F 1 H 0 0 0 Z 7 6 5 4 3 2 1 Chip CH RH UJ SL Chip B F Chip resistor Carbon EX R K 7 3 E B 2 B 0 0 0 J 7 6 5 4 3 2 1 RESISTORS Chip B F Carbon resistor Nomal type EX R D 1 4 B B 2 C 0 0 0 J 7 6 5 4 3 2 1 1 Type 2 Shape 5 Rating wattage 4 Temp coefficient 3 Dimension 6 Value 7 Tolerance Dimension code...

Page 26: ...player section Tape Speed 4 76 cm sec Wow Flutter WRMS 0 08 Frequency response 3 dB 70 µs 30 Hz 20 kHz Separation 1 kHz 43 dB Signal to Noise ratio Dolby NR OFF 57 dB Dolby B NR ON 65 dB Audio section Maximum Output Power 50 W 4 Output Power DIN 45324 B 14 4V 30 W 4 Tone action Bass 100 Hz 10 dB Middle 1 kHz 10 dB Treble 10 kHz 10 dB Preout level Load during disc play 1800 mV 10 kΩ Preout impedanc...

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