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JVC UX-T770R, Service Manual

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JVC UX-T770R Service Manual Download Page 37

AUX IN signal

REC signal

CD signal

TAPE signal

MAIN signal

TUNER signal

Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.

A

B

C

D

E

F

G

1

2

3

4

5

2-3

UX-T770R

 Note:/s/T/jsc/g103ame1 GNS10003-001A 1/5 
E/E/N/EV ver.

C3011

R9016

Q9006

Q9002

Q9001

R9013

R9012

C9004

Q9005

Q9003

R1055

R2055

IC35

R1051

R2051

Q9301

R9304

C1055

C2055

C1050

C1051

C2050

C2051

R1013

R2013

R9301

Q1010

Q2010

R1014

R3010

R2014

R9102

R2074

R1074

CN901

L3070

R2012

R1012

CN303

Q9501

J902

D9302

D9303

IC32

IC31

R3021

R2024

R1024

R2028

R1028

C1025

C2021

C1021

Q1031

Q2031

R2033

R1033

R3036

R3033

D3033

D9301

R3035

R1010

Q9302

Q9201

Q9202

R9201

R2010

CN302

Q2070

C1007

Q1070

R2072

R1072

R2093

R1093

C3038

Q3070

C3070

R9018

Q1041

Q2041

R2041

R1041

C2006

C1006

C2007

D3032

D3031

F903

L1001

L2001

L3001

D905

L2003

L1003

L1002

L2002

C3003

R1003

R2003

C2084

C1084

R2083

R3082

R3083

R3084

C9001

D9002

C9003

R9017

R9014

C2054

C1054

C2053

C1053

Q9004

D9001

R9005

R9006

R9007

R9008

R9011

R9010

R9009

R9001

R9002

R2054

R1054

R9003

R9004

C9302

C9301

R1052

R2052

R3052

R3053

R3051

C3052

C3051

C1070

C2070

R9303

R9302

Q3010

C3010

C1056

C2056

W306

R1057

R2057

R2011

R1011

R2073

R1073

CN304

T901

CN301

R9021

R9501

C9501

D9501

D9003

R9019

R1091

R2091

R2071

R1071

R2029

R1029

R2027

R2023

R1023

K9401

R1027

R2022

R1022

R1026

R2026

C2026

C1026

C2022

C1022

C3021

C3022

C2025

D3021

R3022

R3034

C3035

C3036

D3034

C9203

R9202

R9203

C9202

D9201

C9201

C1041

R1015

R2015

C1010

C2010

R1070

R2070

R9401

J3001

Q9007

C2041

R2056

D3070

R1056

Q3041

C3041

C3004

C3005

C3037

C3031

C3032

C3001

C3006

C1003

C1002

C2002

C2003

C3002

C3033

C3034

C2082

C2001

C1001

R1002

R1001

R2001

R2002

R1031

R2031

R2032

R1032

R3001

R3031

R3032

F901

J3002

J901

C901

C903

C904

D903

D902

D904

J3003

L901

C902

D901

C2083

C1000

C2000

R1004

R2004

C1082

C1083

C3087

C3081

C3085

C3084

C3083

C3086

R1082

R1083

R3081

R2082

IC38

0.01

4.7K

KTC3199/GL/-T

KTC3199/GL/-T

2SB1565/EF/

470

4.7K

220P

KRA114M-T

KTA1267/YG/-T

3.3K

BA15218N

150K

KTA1267/YG/-T

39

4.7/25

30P

10P

15K

4.7K

2SD2144S/VW/-T

2.7K

10K

QRZ0077-5R6X

1.5K

QGA2501C4-02

QQR0868-001Z

62K

QGF1205C1-10

KTC3203/OY/-T

QNA0016-001

1SS254-T2

1N4148M-T2

BA15218N

LA4705NA

100

2K

4.7K

22/10

0.082

KTC3199/GL/-T

10K

51K

120K

1N4148M-T2

MTZJ3.9B-T2

22K

1K

KTC3199/GL/-T

2SA1359/OY/

KTC3199/GL/-T

10K

QGB1214J1-06S

220P

KTC3199/GL/-T

2.7K

10K

150P

KRA101M-T

1/50

10K

KTC3203/OY/-T

KTC3203/OY/-T

4.7K

10/16

1N4148M-T2

1N4148M-T2

QMF51E2-5R0-J1

QQL231K-470Y

QQL231K-470Y

6A10E2

QQR0797-001

QQR0797-001

QQR0868-001Z

100/16

150

0.0047

120K

150K

120K

22/16

MTZJ8.2C-T2

0.01

4.7K

4.7K

0.0039

10/16

KRC114M-T

1SS254-T2

1.5K

2.4K

1K

6.8K

680

680

680

1

1

4.7K

1

470

4.7/50

100/10

1K

47K

47K

100

47/16

47/16

4.7/25

1K

33K

KTC3199/GL/-T

0.68/50

10/16

120K

220K

1K

QGF1201C3-07

VTP66J2-12L

QGB1214J1-20S

680

220

470/10

1SS254-T2

MTZJ10A-T2

390

33K

15K

4.7K

1.8K

QQR0786-001Z

10K

220K

15K

0.33

0.082

47/16

47/10

MTZJ4.3B-T2

1.5K

150K

1/50

10/16

1N4148M-T2

10/16

10K

220

0.01

MTZJ4.3B-T2

47/16

0.001

15K

220P

18K

QRZ0077-4R7X

QNN0090-001

KTC3199/GL/-T

MTZJ6.8B-T2

10K

KRA101M-T

10/25

330/10

33/10

10/16

1/50

1/50

6800/25

2.2/50

0.1

0.1

0.1

0.056

0.056

330P

2.2

2.2

22K

22K

10K

4.7K

4.7K

QMF51E2-R40-J1

QNB0035-001

QNC0001-001

0.1

0.1

0.1

6A10E2

6A10E2

6A10E2

QNS0072-001

QQR0799-001

0.1

6A10E2

0.0033

470

0.056

0.056

0.22/50

220/16

0.47/50

0.47/50

0.47/50

10/25

3K

1.8K

100

BH3852S

POUT

TUL

FAUX

BASS

TRE

VOL

TUR

SBASS

SMUTE

SAFETY0

CDR

FCD

CDL

SLCAG

FTUNER

CD+B

PBR

LAMP8V

RECL

PBL

RECR

SW8V

TU+B

PBMUTE

US6V

US16V

Standard schematic diagrams

Main amp section

Summary of Contents for UX-T770R

Page 1: ... Safety Precautions Important for laser products Preventing static electricity Disassembly method Adjustment method Flow of functional operation TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 2 1 3 1 4 1 5 1 16 1 20 1 21 1 21 1 22 Area Suffix E Continental Europe EN Northern Europe ...

Page 2: ...net screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any exposed metal part having a return path to t...

Page 3: ...rstrålning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå udsættelse for stråling ADVARSEL Usynlig laserstråling ved åpning når sikkerhetsbryteren er avslott unngå utsettelse for...

Page 4: ...ong force 4 It is not possible to adjust the semi fixed resistor that adjusts the laser power Do not turn it 1 1 3 Handling the optical pickup 1 In order to maintain quality during transport and before installation both sides of the laser diode on the replacement optical pickup are shorted After replacement return the shorted parts to their original condition Refer to the text 2 Do not use a teste...

Page 5: ...nt cabinet assembly After turning the body back to initial position open the CD door while pressing the upper OPEN button While moving the side panel L in the arrow direction remove the panel from the left side of the body While moving the side panel R in the arrow direction remove the panel from the right side of the body 1 2 3 4 Removing the side panel L and R See Fig 2 to 5 A A A A A Fig 1 Fig ...

Page 6: ...amplifier board and the connector CN766 on the LCD system CPU board Disengage the left and right engagements a and b fixing the CD player unit by using a minus screw driver etc 1 2 3 4 Removing the CD player unit See Fig 6 to 8 a CD player unit CD servo control board CN603 b CD servo control board CN604 Fig 6 Fig 7 Front panel assembly Fig 8 CD player unit Front panel assembly Power amplifier boar...

Page 7: ...nector W306 on the power amplifier board Remove the one screw F retaining the power amplifier board Remove the power amplifier board from the two connectors CN711 and CN712 on the LCD system CPU board After removing the power amplifier board from the key way c on the bottom chassis take this board out while raising it in the arrow direction 1 2 3 4 5 6 7 8 9 Removing the power amplifier board and ...

Page 8: ...12 and 13 Remove the rear panel Remove the left and right side panels Remove the CD player unit Remove the power amplifier board and heat sink From the connector CN701 on the LCD system CPU board disconnect the card wire outgoing from the connector CN1 on the tuner board From the bottom of the body disengage the engagement e fixing the front panel assembly in Fig 14 while pressing in with a minus ...

Page 9: ... Remove the CD player unit Remove the power amplifier board Remove the front panel assembly From inside the front panel assembly remove the four screws J and K retaining the cassette mechanism unit From the connector CN33 on the head amplifier and mechanism control board disconnect the card wire outgoing from the connector CN731 on the LCD system CPU board 1 2 3 4 5 6 7 Removing the cassette mecha...

Page 10: ...the connector CN802 on the operation switch board While sliding the two engagements f fixing the LCD system CPU board pull out this board After disconnect the connector CN801 on the function switch board from the connector CN781 on the LCD system CPU board remove the respective boards while pulling them upward 1 2 3 4 5 6 7 8 9 Removing the function switch board and LCD system CPU board See Fig 18...

Page 11: ...R AUX buttons Take out the standby LED lens After removing four pawls g fixing the operating switch board remove the switch while pulling it in the arrow direction Remove the two screws N retaining the operation switch board Remove the six pawls h fixing the operating switch board 1 2 3 4 5 6 7 8 9 10 11 12 13 Removing the operating switch board See Fig 20 to 22 MULTI JOG button Operating switch b...

Page 12: ... C board outgoing from the playback recording eraser head from the connector CN31 on the head amplifier mechanism control P C board Remove the flexible P C board from the chassis base Remove the spring 1 from behind the playback recording eraser head Loosen the reversing azimuth screw retaining the playback recording eraser head Take out the playback recording eraser head from the front of the hea...

Page 13: ... control board Disconnect the connector CN32 on the board including the connector CN 1 on the reel pulse P C board When necessary remove the 4 pin parallel wire soldered to the main motor 1 2 3 4 Removing the head amplifier mechanism control board See Fig 4 Remove the two screws B retaining the main motor assembly See Fig 4 and 4a While raising the main motor remove the capstan belt from the motor...

Page 14: ...ly After turning over the cassette mechanism remove the two slit washers 1 and fixing the capstan shafts R and L and pull out the flywheel R and L respectively from behind the cassette mechanism 1 2 3 Removing the flywheel See Fig 7 and 8 Remove the five pawls a to e reattaining the reel pulse board From the surface of the reel pulse board parts remove the two pawls f and g retaining the solenoid ...

Page 15: ...d From the connector CN601 on the CD servo control board disconnect the card wire outgoing from the CD mechanism From the connector P011 on the CD mechanism P C board disconnect the connector wire outgoing from the connector CN602 on the CD servo control board Remove the four screws B retaining the CD mechanism While sliding the CD mechanism in the arrow direction take turn table out so carefully ...

Page 16: ...V 4 output Input positions AM Standard loop antenna FM TP1 hot and TP2 GND Standard measurement position of volume Bass Off Active hoper bass pro Off Up and down adjustment of volume VOL 23 Precautions for measurement 1 Apply 30pF and 33k to the IF sweeper output side and 0 082 F and 100k in series to the sweeper input side 2 The IF sweeper output level should be made as low as possible within the...

Page 17: ...ead Arrangement of adjusting positions Cassette mechanism section Front panel assembly section Cassette mechanism section Bottom side Head azimuth adjusting screw Forward side Head azimuth adjusting screw Reverse side Head azimuth adjusting screw Forward side Head azimuth adjusting screw Reverse side ...

Page 18: ...hanged Test tape VT712 3kHz or TMT7036 3kHz Measurement output terminal Headphone terminal When the test tape VT712 3kHz has been played back with the recording and playback mechanism at the beginning of forward winding the frequency counter reading of the difference between both of the mechanism should be 6 0Hz or less Adjust VR37 so that the frequency counter reading becomes 3 010Hz 15Hz when pl...

Page 19: ... the recording and pausing condition in advance 2 While repetitively inputting the reference frequency signal of 1kHz and 10kHz from OSC IN record and playback the rape 3 While recording and playback the test tape in TYPE adjust VR31 for Lch and VR32 for Rch so that the output deviation between 1kHz and 10kHz becomes 1dB 2dB 1 While recording and playback mechanism load the test tapes AC 514 to TY...

Page 20: ...omatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 25 of IC601 TE Approx 1 8V VREF Tracking error waveform at TOC reading Power ON Power Key Confirm that the Focus error S cuve signal at the pin27 of IC601 is approx 2Vp p Confirm that the signal from pin24 IC603 is 0V as a accelerated pulse during approx 400ms Confirm the waveform of the T...

Page 21: ... has expired the following symptoms wil appear 1 The level of RF output EFM output ampli tude of eye pattern will below Is RF output 1 1 0 15Vp p Replace it NO YES O K 3 Semi fixed resistor on the APC PC board The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power Since this adjustment should be performed to match the characterist...

Page 22: ...AL FBAL EF EF OUT TE TE OUT CROSS TE BPF VDET LD OFF VREF ENV 30 24 25 26 23 22 1 4 3 33 32 34 31 36 35 13 14 15 16 20 2 21 6 29 7 28 27 8 9 10 17 11 12 19 ENV CURCUIT RF DET AGC EQ BDO OFTR VCBA VCBA VCBA VCBA 1 Pin layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 2 Block diagram Description of major ICs ...

Page 23: ...or Inverse input pin for tracking error amp Tracking error signal output Tracking error cross output Input pin of tracking error through BPF Vibration detection signal output Connect to ground Reference voltage output Function APC amp input terminal APC amp output terminal APC ON OFF control terminal Envelope output Ground RF detection signal output Of track status signal output BDO output pin A c...

Page 24: ...Terminal for volume control Terminal for 2ch volume output Terminal for connection of 2ch high frequency filter Terminal for connection of 2ch low frequency filter Terminal for gain adjustment of input step AMP Terminal for 2ch volume input Terminal for filter I I O O I I I O I I Pin No Pin No Symbol I O Function Symbol I O Function 2 Pin function 1 Block diagrams FILTER IN2 NF2 BVN2 BIN2 BVO2 TIN...

Page 25: ...T Pin No Symbol I O QUAL DA O VREF O MUX I VDD GND CIN I OUT O GND 10 GND 11 GND 12 VDD 13 XI I 14 XO O 15 TS7 16 CL O Function Non connection RDS data output Reference voltage output Multiplex signal input 5Vsupply voltage for analog Ground for analog part 0V Sub carrier output of reconstruction filter Ground for digital part 0V Ground for digital part 0V Ground for digital part 0V Ground for dig...

Page 26: ...ER PREDRIVER POWER POWER POWER POWER LOAD SHORT PROTECTOR LOAD SHORT PROTECTOR THERMEL SHUTDOWN OVER VOLTAGE SURGE PROTECTOR OUTPUT PIN TO Vcc SHORT PROTECTOR OUTPUT PIN TO Vcc SHORT PROTECTOR OUTPUT PIN TO GND SHORT PROTECTOR OUTPUT PIN TO GND SHORT PROTECTOR Vcc POWER GND1 POWER GND2 Vcc2 NC NC GND NC Vcc1 LA4705N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 Pin layout 2 Block diagram ...

Page 27: ... output port Input output port Data input output Function IF counter signal input IF signal output Not use AM Local OSC signal output FM Local OSC signal input Power suplly VDD 4 5 5 5V When power ON Reset circuit move PLL charge pump output H Local OSC frequency Height than Reference frequency L Low Agreement Height impedance Input for active lowpassfilter of PLL Output for active lowpassfilter o...

Page 28: ...MDATA DSL PLL VCO AVDD2 SUB CODE BUFFER SSEL SQCK SUBQ AVDD2 CLVS CRC BLKCK CLDCK SBCK SUBC DEMPH RESY FLAG6 RESY EFM DEMODULATION SUBCODE DEMODULATION SYNC INTERPOLATION 16k SRAM CIRC ERROR CORRECTION DEINTERLEVE LRCKIN MSEL BCLK SSEL SRDATAIN PSEL IOSEL DIGITAL DEEMPHSIS 8TIMES OVER SAMPUNC DIGITAL FILTER 1BIT DAC LOGIC S PEM R PEM L DIGITAL AUDIO INTERFASE DIGITAL AUDIO INTERFASE INTER POLATION...

Page 29: ... drive output Focus drive output Reference voltage input pin for D A output block TVD FOD FBA TBAL Focus Balance adjust signal output Tracking Balance adjust signal output Focus error signal input Analog input Tracking error signal input Analog input RF envelope signal input Analog input Vibration detect signal input H detect Off track signal input H off track Track cross signal input RF detect si...

Page 30: ...ch Voltage controlled terminal When voltage of terminal is MONO at H and ST at L When voltage of terminal is AM at H and FM at L Multi plex signal input AM detection signal output FM detection signal output Bypass to FMIF Input of AMIF signal Fixed voltage output terminal Output terminal for AM mixer Input of FMIF signal Function Function 2 Pin function 1 Block d iagrams 24 23 22 21 20 19 18 17 16...

Page 31: ...ction USDATA USCK UQRIN UNC USQCK ICVSS UX2 UX1 VDD UXT1 UXT2 URESET UREM URDSCK UJOG1 UBEAT2 UBEAT1 U BCTL UXRESET UMCLK UMDATA UMLD UPBMUTE ULATCH UREEL UFAUX UAVSS USAFEYCD 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 I I I I I I I I O I O I O O O O O O O O O I RESET CLOSE switch Abnormal voltage detection 1 Abnormal voltage detection 2 Body key input 1 Body key input 0 Tap...

Page 32: ...4 OUTB CH4 INA CH4 INB BIAS IN Vcc CH1 OUTA CH1 OUTB CH1 INA CH1 INB TEST1 TEST2 MUTE Vcc CH3 INB CH3 INA CH3 OUTB CH3 OUTA OP IN OP IN CH2 INB CH2 INA CH2 OUTB CH2 OUTA GND OP OUT BA6897FP IC602 4channel driver 1 Pin layout BA15218N IC32 IC35 Dual Ope Amp 1 2 3 4 5 6 7 8 OUT1 IN1 IN1 GND IN2 IN2 OUT2 Vcc 1 2 PIC 21043SP IC702 Remotocontrol receiver 2 Pin function 1 Pin layout 3 2 1 Gnd Vcc Vout P...

Page 33: ...IC703 Regulator 1 2 3 3 2 1 Input Common Output 2 Pin function Pin No Function 1 Pin layout 3 Block diagram Q14 Q1 Q16 Z1 Q2 Q7 Q4 Q6 C1 Q9 Q8 Q10 Q11 Q12 Q13 Q5 Q3 3 INPUT 2 OUTPUT 1 COMMON R7 R5 R6 R8 R3 R2 R1 R11 R10 R9 R4 ...

Page 34: ...nted in Japan 200106 V VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 20993 UX T770R ...

Page 35: ...OLUME IC32 BASS BOOST AMP IC31 POWER AMP J3002 L1003 L1003 L1002 To Speaker L ch J3003 HEAD PHONE POWER AMP BOARD CN304 FW501 CN302 CN712 CN701 SYSTEM CPU BOARD CN1 Q8 COIL BLOCK FM IF DET MPX IC1 AM RF 2F DET L10 114K TRAP AM IF CF2 L11 C8 Q1 CF1 TU1 FM TUNER PACK TUNER BOARD AM FM J1 CD PLAYER UNIT 16 14 13 5 6 8 2 9 3 1 7 12 14 13 17 18 19 21 24 23 1 ...

Page 36: ... M E M O UX T770R 2 2 ...

Page 37: ...1 R2031 R2032 R1032 R3001 R3031 R3032 F901 J3002 J901 C901 C903 C904 D903 D902 D904 J3003 L901 C902 D901 C2083 C1000 C2000 R1004 R2004 C1082 C1083 C3087 C3081 C3085 C3084 C3083 C3086 R1082 R1083 R3081 R2082 IC38 0 01 4 7K KTC3199 GL T KTC3199 GL T 2SB1565 EF 470 4 7K 220P KRA114M T KTA1267 YG T 3 3K BA15218N 150K KTA1267 YG T 39 4 7 25 30P 10P 15K 4 7K 2SD2144S VW T 2 7K 10K QRZ0077 5R6X 1 5K QGA2...

Page 38: ...K 0 68 50 2SA1037AK RS X 1SS254 T2 1K QQL01BK 100Z 2SC2668 O T 2SC2668 O T KIA78S06P QAX0401 001 10K DTC144TKA X 68K 1K 150P 150P 100K 1K 47K 100K 2SC2412K R X 22K QAX0410 001 QQR0786 001Z QQR0786 001Z 33K QSW0547 001 91K 1 5K 2 2K 150P 10K QGF1201C3 09 150P 150P QLL0045 001 2 7K L 34ID T12 27K 270 PIC 21043SP 1K 1K 1K 1 2K 68K 10K 1K 1 2K 1K 0 01 2SC2412K R X QGB1214K1 06S 1K 1K 1K 2 2K 1K 1K 2 2...

Page 39: ...C13 J1 C42 C16 C40 C43 C37 C41 R21 C15 C18 QAU0034 001 0 001 LC72136N 10K 4 7K 1K 2 2K 1K 1K 1K 4 7K 2 2K QQL231K 2R7Y 0 018 1K 1 8K 0 001 10 16 0 01 0 047 QQL231K 221Y 0 001 10K 82 100P 0 047 2 2 50 150P 0 0012 0 01 0 047 1K QQR0794 001 0 001 680P 15K 12P 47 16 15P 220P 12P 10K 39P 10K TA2057N 12P 10K 330 0 0039 1K 47K BU1923 100 10 4 7K 10K 1 50 0 047 15P 3 9k 10 QAX0420 001 QAX0421 001 3 3K QQR...

Page 40: ... 220 16 0 001 MN35510 0 047 25 4 7K 470 10 100 10 56K 150P 150P 8 2K 22K 150P 2 2K 22K 330P 2SA952 L K 100P 100P 100P 100P 12P 15P VMC0041 003 0 0082 16 2 2K 0 022 25 0 047 25 0 001 QGF1201F3 07 470K 2K 12K 1 AN8806SB 470 27K 270P 0 0022 16 150K EMV7144 015R 47 10 120 1K 10 2SA952 L K 1K 10 25 0 0015 16 0 0015 16 0 022 25 0 022 25 NI 0 1 68 68 1 50 100P 0 027 0 0047 16 0 01 16 QGF1201F3 11 100 10 ...

Page 41: ...20 QVPA603 503AZ 2SC1623 6 X 2SA952 L K 5 6K MA3051 M TX VMC0163 R09 QGB2011M1 10 0 033 VMC0163 R10 FA1A4ZX 330P 1K 0 033 12K 1K 1K 5 6K BU4094BCF 33K QVPA603 503AZ 12K 100 VWS304 06A13K 330P QQR0620 001 BA3126N 1 2K 3 9K 1 8K 12K QVPA603 103AZM 3 3K 2SB562 C 4 7K FA1F4MX 2 2K FA1A4ZX 1 8K AN7317 FA1A4ZX 2 2K 2SC2001 K 0 0012 0 0012 470K 2SC1623 6 X 2SC1623 6 X 2SC1623 6 X 2SC1623 6 X 2SC1623 6 X ...

Page 42: ...H A B C D E F G 1 2 3 4 5 UX T770R UX T770R 2 8 Main board Printed circuit boards ...

Page 43: ...644 R643 R645 R646 R647 R651 R653 R654 R655 R661 R662 R663 R664 R665 R671 R672 X651 C693 C629 D661 R622 C656 R623 R621 CN605 R659 C692 C691 C657 CN602 C675 R633 R666 C606 C607 R601 R603 C676 C677 R693 R692 R691 CN606 R695 E B 1 20 21 41 60 61 1 28 15 14 1 18 19 36 11 1 1 FE SAFETY REST MLD MDATA MCLK GND 15 A B F C D K E MD LD VR GND F T T F B E TE 1 4 40 80 1 15 TP602 ARF TP601 GND GND GND SUBC S...

Page 44: ...106 C305 C108 C109 C107 C308 R203 C302 C203 R109 C206 R104 C209 C113 R209 C207 C301 C310 C303 C304 C208 C331 C313 R116 R204 C316 B106 C319 C322 B105 R103 C375 6 1 CN31 70u FRE PLA PHO 5V MG SOL RRE TAP NC 1 10 CN32 C321 D301 9 IC31 1 8 9 16 IC32 1 IC33 16 1 9 8 3 L301 4 6 1 Q101 Q201 Q305 Q302 Q304 Q306 Q307 Q308 Q309 B Q375 E Q376 Q371 B E C201 R101 R102 C104 R105 R106 R107 R108 C221 R110 R111 R1...

Page 45: ...ice parts Contents Exploded view of general assembly and parts list Cassette mechanism assembly and parts list CD mechanism assembly and parts list Electrical parts list Packing materials and accessories parts list UX T770R 3 3 3 5 3 7 3 8 3 18 Area suffix E Continental Europe EN Northern Europe ...

Page 46: ...3 2 UX T770R M E M O ...

Page 47: ...oard Operating switch board CD servo control board LCD system CPU board Power supply board 66 67 65 71 70 69 68 61 64 62 60 63 89 72 72 72 72 93 28 28 31 32 30 29 75 75 1 14 15 3 7 11 8 8 9 9 4 6 59 2 90 10 10 16 17 17 5 58 58 56 54 55 58 58 55 54 57 86 51 52 53 53 53 76 20 27 24 26 18 27 23 19 22 34 35 21 39 39 37 38 37 33 36 92 91 73 74 94 13 12 88 47 96 40 95 48 43 83 41 85 87 84 42 41 49 50 77...

Page 48: ... VYH8153 001 RADIATION 1 45 QYSBST3012Z T SCREW 4 RADI IC 46 QYSBST3006Z T SCREW 1 RADI CHASSIS 47 QYSBST3006Z T SCREW 1 MAIN PWB CHASSIS 48 QYSBST3006Z T SCREW 1 TUNER PWB CHASSIS Item Parts number Parts name Area A Parts list General assembly Q ty Description Block No M1MM 50 VMA4720 001 BARRIER 1 51 CD MECHA 1 52 VJD5410 306 PICK COVER 1 53 QYSDSF2006M SCREW 4 CD MECHA P COVER 54 FMYH4003 001J ...

Page 49: ...16 30 19 18 10 17 20 25 32 31 27 34 34 Cassette mechanism assembly and parts list Block No M M M 2 31 8 7 0 1 0 15 mm 5 10 1 32 SLC S11YPM Grease EM 30L UD 24 UD 24H2 LEN 320M JC 888B MOBIL 1 The lower side Head amplifier Mechanism control board Cassette switch board ...

Page 50: ...001 HEAD BASE SP R 1 12 VKW5280 001 HEAD BASE SP L 1 16 VKS5603 00G MAIN PULLEY ASY 1 17 VKS3785 001MM FR ARM 1 18 VKW5284 002 SWING SPRING 1 19 VKS2278 003 TRIGGER ARM 1 20 VKW5301 001 FR SPRING 1 21 VKW5266 001 ELEVATOR SPRING 1 22 WDL214025 WASHER 1 23 QYSBSF2005Z T SCREW 1 24 VKS3786 00G CLUTCH ASS Y 1 25 VKF3205 00B F WHEEL ASSY R 1 26 WDL183425 SLIT WASHER 1 27 VKF3207 00B F WHEEL ASSY L 1 2...

Page 51: ...02501 331SC MECHA BASE ASSY 1 2 OPTIMA 7B C D PICK 1 3 E407782 003SC C D SHAFT 1 4 HQN300031 001PK CD RACK GEAR 1 5 E307745 332SC MECHA GEAR 3 1 6 QYSDSP2003N SCREW 4 7 E406750 332SC PINION 1 8 EPB 001PK T TABLE ASSY 1 9 E406784 001 FEED MOTOR 1 10 QAR0130 001 SP MOTOR 1 11 EMW10190 001 CIR BOARD 1 12 QGA2001F1 06 6P PLUG ASSY 1 FOR P011 13 QSW0506 001 LEAF SW 1 FOR S001 14 E75832 221 SPECIAL SCRE...

Page 52: ...F 5 50V C3001 QETM1EM 688 E CAPACITOR A 6800MF 20 25V C3002 QFLC1HJ 104Z M CAPACITOR 0 1MF 5 50V C3003 QETC1CM 107Z JB E CAPACITOR 100MF 20 16V C3004 QETC1AM 337Z JB E CAPACITOR 330MF 20 10V C3005 QETC1AM 336Z JB E CAPACITOR 33MF 20 10V C3006 QETC1HM 225Z JB E CAPACITOR 2 2MF 20 50V C3010 QETC1HM 684Z E CAPACITOR 0 68MF 20 50V C3011 QDYB1CM 103Y C CAPACITOR C3021 QETC1CM 476Z JB E CAPACITOR 47MF 2...

Page 53: ...C RESISTOR 3 0K 5 1 4W R1083 QRE141J 182Y C RESISTOR 1 8K 5 1 4W R1091 QRE141J 333Y C RESISTOR 33K 5 1 4W R1093 QRE141J 103Y C RESISTOR 10K 5 1 4W R2001 QRE141J 2R2Y C RESISTOR 2 2 5 1 4W R2002 QRE141J 2R2Y C RESISTOR 2 2 5 1 4W R2003 QRE141J 151Y C RESISTOR 150 5 1 4W R2004 QRE141J 471Y C RESISTOR 470 5 1 4W R2010 QRE141J 102Y C RESISTOR 1 0K 5 1 4W R2011 QRE141J 224Y C RESISTOR 220K 5 1 4W R2012...

Page 54: ...4 7K 5 1 4W R9017 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R9018 QRE141J 103Y C RESISTOR 10K 5 1 4W R9019 QRE141J 391Y C RESISTOR 390 5 1 4W R9021 QRE141J 331Y C RESISTOR 330 5 1 4W R9102 QRZ9006 5R6X F RESISTOR A 5 6 1 0W R9201 QRE141J 103Y C RESISTOR 10K 5 1 4W R9202 QRE141J 103Y C RESISTOR 10K 5 1 4W R9203 QRE141J 221Y C RESISTOR 220 5 1 4W R9301 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R9302 QRE141J 333...

Page 55: ...51Y C CAPACITOR 150PF 10 50V C 692 QCBB1HK 151Y C CAPACITOR 150PF 10 50V C 693 QCBB1HK 151Y C CAPACITOR 150PF 10 50V CN601 QGF1008F1 15 21 41 CONNECTOR CN603 QGF1201F3 07 CONNECTOR CN604 QGF1201F3 11 CONNECTOR CN605 QGA2501F1 03 CONNECTOR D 661 1SS254 T2 SI DIODE IC601 AN8806SB IC IC602 BA6897FP IC IC603 MN35510 IC Q 601 2SA952 LK T TRANSISTOR Q 631 2SA952 LK T TRANSISTOR R 601 QRE141J 113Y C RESI...

Page 56: ...E A D7012 1SS254 T2 SI DIODE A D7031 1SS254 T2 SI DIODE D7032 1SS254 T2 SI DIODE D7051 1SS254 T2 SI DIODE D7061 MTZJ5 1C T2 ZENER DIODE D7091 1SS254 T2 SI DIODE D7703 1SS254 T2 SI DIODE D7704 1SS254 T2 SI DIODE IC701 UPD78064GF 149 IC IC702 PIC 21043SP REMOKON SENSOR IC703 KIA78S06P IC A K7001 QQR0786 001Z INDUCTOR K7002 QQR0786 001Z INDUCTOR K7003 QQR0786 001Z INDUCTOR K7004 QQR0786 001Z INDUCTOR...

Page 57: ...SISTOR R7720 NRSA02J 102X MG RESISTOR R7721 NRSA02J 102X MG RESISTOR R7722 NRSA02J 102X MG RESISTOR R7723 NRSA02J 222X MG RESISTOR R7724 NRSA02J 222X MG RESISTOR R7725 NRSA02J 222X MG RESISTOR R7726 NRSA02J 222X MG RESISTOR R7728 NRSA02J 222X MG RESISTOR R7729 NRSA02J 222X MG RESISTOR R7730 NRSA02J 222X MG RESISTOR R7731 NRSA02J 222X MG RESISTOR R7732 NRSA02J 222X MG RESISTOR R7733 NRSA02J 222X MG...

Page 58: ...2X C CAPACITOR C 80 NCS21HJ 820X C CAPACITOR C 81 NCS21HJ 470X C CAPACITOR C 82 QEK61CM 106Z JB E CAPACITOR 10MF 20 16V C 83 NCB21EK 473X C CAPACITOR C 84 QEK61HM 225Z JB E CAPACITOR 2 2MF 20 50V C 85 NCB21HK 331X C CAPACITOR C 86 NCB21HK 561X C CAPACITOR C 89 NCB21HK 102X C CAPACITOR C 90 NCB21HK 103X C CAPACITOR C 91 NCB21HK 103X C CAPACITOR C 92 NCB21HK 103X C CAPACITOR C 93 NCB21HK 103X C CAPA...

Page 59: ...2X MG RESISTOR R 65 NRSA02J 222X MG RESISTOR R 66 NRSA02J 222X MG RESISTOR R 68 NRSA02J 223X MG RESISTOR R 69 NRSA02J 103X MG RESISTOR R 74 NRSA02J 332X MG RESISTOR R 75 NRSA02J 103X MG RESISTOR R 76 NRSA02J 102X MG RESISTOR R 80 NRSA02J 222X MG RESISTOR R 82 NRSA02J 102X MG RESISTOR R 83 NRSA02J 102X MG RESISTOR R 84 NRSA02J 103X MG RESISTOR T 1 QQR0793 001 IFT TU 1 QAU0034 001 FRONT END X 1 QAX0...

Page 60: ...201F3 06 CONNECTOR PRI HEAD CN 32 QGB2011M1 10 B TO B CONNECTO PRI MECHA CN 33 QGF1205F1 09 CONNECTOR PRI MICON CN 34 QGF1201F3 10 CONNECTOR PRI AMP D 301 MA152WA X DIODE D 309 MA704A X S K DIODE D 375 MA3051 M X ZENER DIODE FW 31 QUM024 06A2Z3 PARA RIBON WIRE IC 31 BA3126N IC HEAD SW IC 32 AN7317 IC PB REC IC 33 BU4094BCF X IC L 301 QQR0620 001 OSC COIL BIAS L 303 QQL01BK 100Z INDUCTOR Q 101 DTC1...

Page 61: ...G RESISTOR R 342 NRSA63J 203X MG RESISTOR R 343 NRSA63J 183X MG RESISTOR R 351 NRSA63J 683X MG RESISTOR R 352 NRSA63J 912X MG RESISTOR R 371 NRSA63J 123X MG RESISTOR R 372 NRSA63J 102X MG RESISTOR R 375 NRSA02J 151X MG RESISTOR 1 8W R 376 NRSA63J 472X MG RESISTOR VR 31 QVP0008 503Z SEMI V RESISTOR BIAS ADJ VR 32 QVP0008 503Z SEMI V RESISTOR BIAS ADJ VR 37 QVP0008 103Z SEMI V RESISTOR TAPE SPEED AD...

Page 62: ...3 18 UX T770R Packing materials and accessories parts list Block No M M M 4 Block No M M M 5 A4 A5 A7 A8 A6 A9 A1 A3 P4 P7 P1 P3 P5 P2 P9 P9 P10 P8 P6 A10 ...

Page 63: ...002 CUSHION BOTTOM 1 P 9 T55 KF 01 01 PACKING PAD 2 P 10 T55 KO 00 01 POLY BAG 2 SPEAKER BOX Item Parts number Parts name Area A A Parts list Accessories Q ty Description Block No M5MM A 1 GNT0011 001A INSTRUCTIONS 1 A 2 GNT0011 002A INSTRUCTIONS E 1 DUT GNT0011 003A INSTRUCTIONS EN 1 A 3 BT 54008 2 WARRANTY CARD 1 A 4 QMPL080 183 JC POWER CORD 1 A 5 EWP503 001C ANT WIRE 1 A 6 QAL0014 001 AM LOOP ...

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