Kenwood KRC-694/Y Service Manual Download Page 3 | Manualshive

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KRC-694/Y

KRC-766

3

BLOCK DIAGRAM

TUNER

CASSETTE

BUFFER

RDS
DECODER

E-VOL

MPX

&

BUFFER

u-COM

DOLBY EQ

MOTOR

MAIN

SUB MOTOR
DRIVER

PANEL 5V

EJECT ILLUMI

LCD

EJECT SW

PANEL DET

ROTARY
ENCODER

KEY MATRIX

LCD DRIVER
WITH

RESET SW

REMOCON

P CON

ANT CON

POWER
SUPPLY
IC

SW 5V

RESET

WIRED REMO

ACC DET

SURGE DET

B.U DET

TEL MUTE

BACK UP

TEL MUTE

ACC

SP OUT

POWER
IC

DRIVER

PROTECT

THERMAL

MUTE

PRE MUTE

PRE OUT

IC2

IC7

IC9

Q51

IC8

IC3

IC6

IC4

IC1

PLL-DATA

PLL-CLK

IFC OUT

AUDIO OUT

S-METER

SW5V
A8V

AM+B

SW5V

R CLK

R

D

ATA

S-METER

QU

A

L

AFS

QUAL

MP IN

LEVEL

TAPE

CH

AM

FM

MODE2
MODE3

MOT +B

MODE1

FOR(L)

FOR(R)

REV(L)

R REEL

F REEL

REV(R)

MTL ON/OFF

DOLBY ON/OFF

MUTE

MS OUT

MS MODE

F/R

SW5V

A8V

BACK UP

SUB-

SUB+

MOT +B

BACK UP

LX MUTE

BU5V

I2C D

A

T

A

I2C CLK

PANEL

EJECT ILL

EJECT

REMO

V

OLUME B

V

OLUME A

L

D

ATA

L

L CE

L

D

ATA

S

L CLK

ILLUMI

BU5V

A8V

FM+B

AM+B

BU5V

ACC DET

B.U DET

PHONE

EN1

EN2
EN3

RST

BEEP

P-MUTE

MUTE

BACK UP

BU5V

SW5V

3600mV

600mV

1800mV

1800mV

K,M-TYPE

FM

CH

AM

TAPE

MODE

1372mV

3600mV

855mV

1800mV

E-TYPE

A8V

DET

www . x ia o y u 1 6 3 . c o m

QQ 3 7 6 3 1 5 1 5 0

9

9

2

8

9

4

2

9

8

T E L 1 3 9 4 2 2 9 6 5 1 3

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 13942296513 QQ 376315150 892498299

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Summary of Contents for KRC-694/Y

Page 1: ...10 A70 2025 05 KRC 766 only Mounting hardware assy J22 0011 03 Antenna adaptor T90 0523 05 KRC 694 Y Screw set N99 1719 05 KRC 766 only Screw set N99 1730 15 CASSETTE RECEIVER KRC 694 Y KRC 766 SERVICE MANUAL The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40 1122 05 Please refer to the service manual for model D40 1122 05 B51 7452 00 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8...

Page 2: ...lume Knob 1 Remove the peeling paper of LIGHTING BOARD BOSS side 2 CAP and LIGHTING BOARD are install positioning as shown 5 Install a Volume Knob in rotary encoder positioning as shown KNOB VOL BROAD SIDE OTHER SIDE Mount the Volume Knob into the broad Y shaped cutting in the direction of the picture 3 Remove the peeling paper Use Tweezers 4 CAP and Volume Knob are install positioning as shown ww...

Page 3: ...QUAL MP IN LEVEL TAPE CH AM FM MODE2 MODE3 SUB MOT B SUB MODE1 FOR L FOR R REV L R REEL F REEL REV R MTL ON OFF DOLBY ON OFF MUTE MS OUT MS MODE F R SW5V A8V BACK UP SUB SUB MOT B LX REQ M BACK UP LX RST LX MUTE LX DATA S LX DATA M LX CON LX CLK LX REQ S BU5V I2C DATA I2C CLK PANEL EJECT ILL EJECT REMO VOLUME B VOLUME A L DATAL L CE L DATAS L CLK ILLUMI BU5V A8V FM B AM B BU5V ACC DET B U DET PHON...

Page 4: ...tary power down is detected Q3 ACC detection L when Acc is present Q4 SW 5V ON when the base is L Q5 Power antenna detection H when P ANT output is short circuit P ANT OFF L when FM AM signal does not exist Q6 P CON detection H when P CON output is short circuit Q51 Main motor switch 1 Outputs 14V when the base is L Q52 Main motor switch 2 Q51 turns ON when the base is H Q53 Sub motor AVR Output 3...

Page 5: ...m CH 20 LX CLK LX O Clock input and output with CH 21 FLASH READ O 22 FLASH WRITE O 23 FLASH CLK O 24 BEEP AUDIO O Beep for built in amplifier 25 PANEL DET to PANEL I Panel existence detection terminal Detached the panel L Attached the panel H 26 REMO to PANEL I Remote control input 27 R CLK TUNER I Clock for RDS decoder With no destination out put L fixing 27 NC O With no RDS output L fixed 28 LX...

Page 6: ...nism sub motor Refer to Trush table 2 75 SUB TAPE O Cassette mechanism sub motor Refer to Trush table 2 76 R QUAL TUNER I RDS quality 76 NC O When with no RDS output L fixed 77 R DATA TUNER I RDS data 77 NC O When with no RDS output L fixed 78 LX MUTE LX I Mute request from CH H MUTE ON L MUTE OFF 79 LX CON LX O Control output to CH ON H OFF L 80 LX REQM LX O Request output to CH Request detection...

Page 7: ...hanism conditions SUB MOTOR SUB MOTOR condition L L Stop Power off L H Normal rotation way to loading H L Reverse way to eject H H Stop Power on Trush table 2 Cassette mechanism sub motor EN1 ILL L OFF H ON Trush table 3 Power supply IC TDA3682 EN1 Control Model number TYPE0 TYPE1 TYPE2 ST TYPE0 ST TYPE1 KRC 766 L L L L L KRC 694 Y L L H L L KRC 666R L H L L L KRC 594 Y L H H L L KRC 594V YV H L L...

Page 8: ...rced Middle Forced Narrow AUTO The initial status is AUTO and the display shows these modes as follows AUTO FMA Forced Wide FMW Forced Middle FMM Forced Narrow FMN 7 Test mode specifications of the cassette receiver BLANK SKIPP OFF 8 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 Fader i...

Page 9: ...is enters K Press the 2 key on the remote 3 times then press the Track Up key This enters C Press the 2 key on the remote once then press the Track Up key This enters A Press the 7 key on the remote twice then press the Track Up key This enters R 3 Security function is canceled and the unit enters the All OFF mode 4 If you commit a mistake in the code entry the unit enters the code request mode Ve...

Page 10: ...UT TAPE PLAY Head Azimuth Screw Adjust the azimuth for each Lch Rch or FWD RVS becomes maximum 2 PLAY BACK LEVE TCC 130 Connect an AC voltmeter to CN9 X14 TAPE PLAY VR1 L VR2 R X14 388mV a CASSETTE DECK SECTION ITEM INPUT SETTINGS OUTPUT SETTINGS TUNER RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG 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 ...

Page 11: ...1 C1 CP5 CP4 1 100 76 75 51 R28 W1 R27 R21 R20 R26 C13 C12 C7 R13 50 26 25 R10 R3 R4 R5 X16 2020 11 J74 1448 22 J1 Q1 EB Q4 EB Q3 D19 IC1 Q2 Q5 R2 C1 1 15 16 2 R1 R3 R4 R11 R6 R13 R7 R5 R12 R9 R10 R8 D1 J1 X89 2570 11 J74 1450 02 S1 17 1 2 18 CN1 X89 2570 11 J74 1450 02 PC BOARD COMPONENT SIDE VIEW FOIL SIDE VIEW Ref No address IC1 4C IC2 6B Q1 3C Q2 5C Q3 3D Q4 3D X16 2020 11 KRC 694 Y KRC 766 Re...

Page 12: ...56 C258 W79 R8 R22 R23 X1 L3 C69 C70 W16 C251 C252 C253 C254 C301 C302 C303 C351 C352 C353 C354 L6 L8 R9 R13 R14 R17 R31 R52 W71 X2 X3 W43 W84 W81 W68 W66 W6 W40 W47 W46 W44 W30 W53 W54 W56 W55 W50 W48 W64 W42 W31 W35 W21 W3 W37 W38 W41 W45 W24 W22 W23 W39 W18 W20 W19 W28 W34 W29 W49 W76 W77 W74 W73 W72 W69 W67 W62 W63 W58 W61 W65 W60 W82 W27 W80 W59 W78 W11 W83 W57 W13 W15 W10 W12 W4 W1 W7 W5 VR1...

Page 13: ...04 C6 R4 R15 C7 C259 R7 R259 C265 C262 R261 C266 R260 C264 R305 R262 TH1 R307 R304 R303 R306 R301 R302 C108 R51 R53 C74 R103 C114 R105 C106 R117 C102 C104 R 58 R360 R311 R308 R310 R309 R362 R364 R359 R363 R361 R352 R356 1 4 8 5 1 8 16 9 1 5 10 6 1 14 28 15 1 7 8 14 1 10 11 20 21 30 31 40 1 25 26 50 76 100 75 51 E B R81 1 2 4 3 IC10 IC7 IC9 IC1 IC8 IC6 IC2 IC11 D165 Q1 Q3 D403 Q4 D163 Q151 Q201 Q2 ...

Page 14: ...L 360 10u16 RR 360 10u16 C352 R352 R357 R374 1K 1 2 22K R355 180 22K 180 R356 R358 0 022 0 01 14 15 C204 C207 R201 10K C202 C201 1 2 2u35 1 C203 R206 1K 7 22 CDGND CDR CASSR CASSL CREF VREF 3 2 1 6 5 4 LFOUT ACOUTR ACOUTL 26 27 28 RROUT LROUT RFOUT 23 24 25 MPIN LEVEL MPX AM AFS NC CDL 10 9 8 13 12 11 SCL SDA GND VDD 19 20 21 NC QUAL SMUTE 16 17 18 C353 10u16 C354 W3 10u16 C210 C211 47u10 0 01 C30...

Page 15: ...15 14 13 G2FB 12 11 10 7 TCH1 NC9 MSLPF 8 9 LINEOUT1 C61 0 1 R11 100K 1 2W R10 22K 0 01 C4 3 3K R8 R6 10K R7 22K C3 1000P C31 0 01 R31 10K R32 R3 100K C2 0 01 DGOUT DOUT DOUT COUT COUT CIN PGND AIN AOUT AOUT BOUT BOUT TAB R256 0 22u50 C252 0 22u50 C251 0 22u50 C253 0 22u50 R262 R260 R259 R261 C258 1u50 R255 100 21 5 1 3 RR FR 7 RR FR 9 15 11 13 19 17 FL FL 25 23 RL RL R254 TH1 R257 15K 10K 470 R25...

Page 16: ...12 NC 6 MODE1 9 F REEL ANODE R REEL 10 11 MODE2 SW 5V 7 8 MODE3 4 5 GND R54 100K R55 100K R56 100K 71 70 72 R76 47K R77 47K R53 120 0 22 C74 10u16 C26 C27 10u50 C20 220P 97 96 98 220P C21 10K R25 10K R24 90 91 4 7K R23 0 1 C7 0 1 C8 39K R18 39K R15 100K R16 100K R19 4 7K R22 4 3 R13 2 7K AM FM 220K R17 220K R14 2 3 75 74 VCC 47K R12 Q6 Q5 99 10 11 12 4 8 7 9 5 6 1 2 3 1 2 4 3 5 NC R REEL ANODE MOT...

Page 17: ...0 1000P R1 30K R9 1K 2 2K 2 2K 2 2K R2 2 2K C6 0 01 750 ESD GND C5 R10 16 FLIP DET GND 4 11 DO 6 4 GND 3 GND 2 GND 1 VCC VO 2 3 1 4 5 KS5 R6 47K C1 C2 C3 C4 TP17 Q2 6 4 CP1 10Kx4 TP13 TP1 TP3 TP2 TP5 TP4 TP6 TP9 TP8 TP11 TP14 TP15 TP16 TP10 TP12 0 01 C10 0 01 C11 CP4 1Kx4 CP5 1Kx4 R29 1K SEG17 S1 SEG1 SSEG9 SEG5 SEG3 SEG4 SEG2 SEG8 SEG7 SEG6 S5 S3 S2 S4 S6 S8 S7 SEG13 SEG12 SEG11 SEG10 SEG14 SEG15...

Page 18: ...SEG3 SEG4 68 69 67 66 SEG6 SEG7 SEG8 SSEG9 SEG10 62 64 63 60 61 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 58 57 56 55 54 53 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 52 50 51 49 48 47 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 46 44 45 42 43 41 SEG34 SEG35 SEG30 SEG31 SEG32 SEG33 40 38 39 35 36 37 28 SEG42 SEG39 SEG40 SEG41 SEG36 SEG37 SEG38 32 33 34 29 30 31 SEG43 SEG44 SEG45 25 26 27 SEG56 6 3 1 2 4 5 SEG53 SEG55 ...

Page 19: ... 25 21 24 45 23 65 65 66 66 67 67 10 11 1 31 30 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 G 893 H N D 876 Ax2 Ax2 K J J 44 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 13942296513 QQ 376315150 892498299 ...

Page 20: ...2x6 φ2x8 φ3x5 φ2x5 φ2 6x6 φ3x8 φ3x8 φ3x20 210 201 260 261 206 727 747 225 224 216 234 237 251 CL1 218 241 231 217 236 240 203 282 221 214 254 243 253 257 256 255 212 211 250 213 232 252 PA1 284 281 280 283x2 242 235 205 233 F1 229x2 CME1 244 DC1 215x2 262 DC2 RM1 771 770 772 728 702 704 745 767 746 766 786 708 720 765 E E E E E E E G G G C Cx2 Dx2 Dx2 F Bx2 E H K J Kx2 Ax2 Ax2 www xiaoyu163 com QQ...

Page 21: ...BAG 280X450X0 03 E H54 2802 03 ITEM CARTON CASE M1 H54 2806 03 ITEM CARTON CASE E1 H54 2809 03 ITEM CARTON CASE E 240 3D J19 5203 03 HOLDER 241 3D J19 5204 03 HOLDER 242 2C J19 5205 03 HOLDER KRC 694 694Y 766 243 3C J19 5206 02 HOLDER 244 1C J22 0011 03 MOUNTING HARDWARE ASSY 250 3C K23 1072 13 KNOB VOL 251 3D K24 4000 03 KNOB EJECT 252 3C K24 4002 04 KNOB OPEN 253 3C K25 1521 03 KNOB 1 6 254 3C K...

Page 22: ...81 RK73GB2A472J CHIP R 4 7K J 1 10W R82 83 RK73GB2A102J CHIP R 1 0K J 1 10W R101 RK73GB2A102J CHIP R 1 0K J 1 10W R102 RK73GB2A471J CHIP R 470 J 1 10W R103 RK73GB2A472J CHIP R 4 7K J 1 10W R104 RK73GB2A471J CHIP R 470 J 1 10W R105 RK73GB2A472J CHIP R 4 7K J 1 10W C108 CK73GB1H103K CHIP C 0 010UF K C111 CK73GB1H102K CHIP C 1000PF K C112 113 CC73GCH1H270J CHIP C 27PF J EE1 C114 CK73GB1H103K CHIP C 0...

Page 23: ... 1 10W R357 358 RK73FB2B181J CHIP R 180 J 1 8W R359 360 RK73FB2B361J CHIP R 360 J 1 8W M1 R361 362 RK73GB2A223J CHIP R 22K J 1 10W M1 R363 364 RK73FB2B181J CHIP R 180 J 1 8W M1 R374 RK73EB2E102J CHIP R 1 0K J 1 4W EE1 R410 411 RK73GB2A104J CHIP R 100K J 1 10W R413 414 RK73GB2A104J CHIP R 100K J 1 10W R416 RK73GB2A104J CHIP R 100K J 1 10W R418 RK73GB2A104J CHIP R 100K J 1 10W R420 RK73GB2A104J CHIP...

Page 24: ...0 J 1 10W R15 RK73GB2A102J CHIP R 1 0K J 1 10W R16 19 RK73GB2A222J CHIP R 2 2K J 1 10W R20 23 RK73FB2B331J CHIP R 330 J 1 8W R24 25 RK73FB2B361J CHIP R 360 J 1 8W R26 RK73FB2B271J CHIP R 270 J 1 8W W1 R92 1252 05 CHIP R 0 OHM J 1 16W S24 T99 0446 05 ROTARY ENCODER D19 MA3091 L ZENER DIODE IC1 LC75808W MOS IC IC2 PNA4S22M ANALOGUE IC SWITCH UNIT X16 2020 11 Q1 2SC4081 TRANSISTOR Q2 DTA114EUA DIGITA...

Page 25: ...nents CASSETTE MECHANISM ASSY D40 1147 05 B 2A N19 2136 08 FLAT WASHER C 2B N09 4325 08 MACHINE SCREW D 2A N09 4326 08 MACHINE SCREW E 2A N09 4058 08 SEMS MACHINE SCREW F 2B N19 2038 08 FLAT WASHER G 2B N19 2136 08 FLAT WASHER H 2B N19 2137 08 FLAT WASHER J 3B N19 2138 08 FLAT WASHER K 3B N09 4327 08 SCREW N 1B N19 2139 08 FLAT WASHER CM1 1A T42 1002 08 MOTOR ASSY MAIN CM2 1A T42 1001 08 MOTOR ASS...

Page 26: ... 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia Manufactured under license from Dolby Laboratories Dolby and the double D symbol are trademarks of Dolby Laboratories FM tuner section Frequency range Frequency step 87 5MHz 108 0MHz 50kHz 87 5MHz 108 0MHz 50kHz 87 9MHz 107 9MHz 200kHz Channel space selection 50k 200kHz Usable sensitivity S N 26dB 0 7µV 7...

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