JVC UX-T77 Service Manual Download

Page: 55 / 64

UX-T77

3-12

Item

Parts number

Parts name

Area

Electrical parts list

Remarks

Block No. 01

Q9006

KTC3199/GL/-T

TRANSISTOR

Q9007

KTC3199/GL/-T

TRANSISTOR

Q9201

2SA1359/OY/

TRANSISTOR

Q9202

KTC3199/GL/-T

TRANSISTOR

Q9301

KTA1267/YG/-T

TRANSISTOR

Q9302

KTC3199/GL/-T

TRANSISTOR

Q9501

2SC2001/LK/-T

TRANSISTOR

R1001

QRE141J-2R2Y

C RESISTOR

2.2 5% 1/4W

R1002

QRE141J-2R2Y

C RESISTOR

2.2 5% 1/4W

R1003

QRE141J-151Y

C RESISTOR

150 5% 1/4W

R1004

QRE141J-471Y

C RESISTOR

470 5% 1/4W

R1011

QRE141J-224Y

C RESISTOR

220K 5% 1/4W

R1012

QRE141J-623Y

C RESISTOR

62K 5% 1/4W

R1013

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R1014

QRE141J-272Y

C RESISTOR

2.7K 5% 1/4W

R1015

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R1022

QRE141J-224Y

C RESISTOR

220K 5% 1/4W

R1023

QRE141J-182Y

C RESISTOR

1.8K 5% 1/4W

R1024

QRE141J-202Y

C RESISTOR

2.0K 5% 1/4W

R1026

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R1027

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R1028

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R1029

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R1031

QRE141J-223Y

C RESISTOR

22K 5% 1/4W

R1032

QRE141J-223Y

C RESISTOR

22K 5% 1/4W

R1033

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R1041

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R1051

QRE141J-154Y

C RESISTOR

150K 5% 1/4W

R1052

QRE141J-102Y

C RESISTOR

1.0K 5% 1/4W

R1054

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R1055

QRE141J-332Y

C RESISTOR

3.3K 5% 1/4W

R1056

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R1057

QRE141J-124Y

C RESISTOR

120K 5% 1/4W

R1058

QRE141J-823Y

C RESISTOR

82K 5% 1/4W

R1070

QRE141J-183Y

C RESISTOR

18K 5% 1/4W

R1071

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R1072

QRE141J-272Y

C RESISTOR

2.7K 5% 1/4W

R1073

QRE141J-102Y

C RESISTOR

1.0K 5% 1/4W

R1074

QRE141J-152Y

C RESISTOR

1.5K 5% 1/4W

R1082

QRE141J-302Y

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

R2011

QRE141J-224Y

C RESISTOR

220K 5% 1/4W

R2012

QRE141J-623Y

C RESISTOR

62K 5% 1/4W

R2013

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R2014

QRE141J-272Y

C RESISTOR

2.7K 5% 1/4W

R2015

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R2022

QRE141J-224Y

C RESISTOR

220K 5% 1/4W

R2023

QRE141J-182Y

C RESISTOR

1.8K 5% 1/4W

R2024

QRE141J-202Y

C RESISTOR

2.0K 5% 1/4W

R2026

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R2027

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R2028

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R2029

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R2031

QRE141J-223Y

C RESISTOR

22K 5% 1/4W

R2032

QRE141J-223Y

C RESISTOR

22K 5% 1/4W

R2033

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R2041

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R2051

QRE141J-154Y

C RESISTOR

150K 5% 1/4W

R2052

QRE141J-102Y

C RESISTOR

1.0K 5% 1/4W

R2054

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R2055

QRE141J-332Y

C RESISTOR

3.3K 5% 1/4W

R2056

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R2057

QRE141J-124Y

C RESISTOR

120K 5% 1/4W

R2058

QRE141J-823Y

C RESISTOR

82K 5% 1/4W

R2070

QRE141J-183Y

C RESISTOR

18K 5% 1/4W

R2071

QRE141J-153Y

C RESISTOR

15K 5% 1/4W

R2072

QRE141J-272Y

C RESISTOR

2.7K 5% 1/4W

R2073

QRE141J-102Y

C RESISTOR

1.0K 5% 1/4W

R2074

QRE141J-152Y

C RESISTOR

1.5K 5% 1/4W

R2082

QRE141J-302Y

C RESISTOR

3.0K 5% 1/4W

R2083

QRE141J-182Y

C RESISTOR

1.8K 5% 1/4W

R2091

QRE141J-333Y

C RESISTOR

33K 5% 1/4W

R2093

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R3001

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R3010

QRE141J-103Y

C RESISTOR

10K 5% 1/4W

R3021

QRE141J-101Y

C RESISTOR

100 5% 1/4W

R3022

QRE141J-152Y

C RESISTOR

1.5K 5% 1/4W

R3031

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R3032

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R3033

QRE141J-124Y

C RESISTOR

120K 5% 1/4W

R3034

QRE141J-154Y

C RESISTOR

150K 5% 1/4W

R3035

QRE141J-223Y

C RESISTOR

22K 5% 1/4W

R3036

QRE141J-513Y

C RESISTOR

51K 5% 1/4W

R3051

QRE141J-101Y

C RESISTOR

100 5% 1/4W

R3052

QRE141J-473Y

C RESISTOR

47K 5% 1/4W

R3053

QRE141J-473Y

C RESISTOR

47K 5% 1/4W

R3081

QRE141J-101Y

C RESISTOR

100 5% 1/4W

R3082

QRE141J-124Y

C RESISTOR

120K 5% 1/4W

R3083

QRE141J-154Y

C RESISTOR

150K 5% 1/4W

R3084

QRE141J-124Y

C RESISTOR

120K 5% 1/4W

R9001

QRE141J-1R0Y

C RESISTOR

1.0 5% 1/4W

R9002

QRE141J-1R0Y

C RESISTOR

1.0 5% 1/4W

R9003

QRE141J-1R0Y

C RESISTOR

1.0 5% 1/4W

R9004

QRE141J-471Y

C RESISTOR

470 5% 1/4W

R9005

QRE141J-152Y

C RESISTOR

1.5K 5% 1/4W

R9006

QRE141J-242Y

C RESISTOR

2.4K 5% 1/4W

R9007

QRE141J-102Y

C RESISTOR

1.0K 5% 1/4W

R9008

QRE141J-682Y

C RESISTOR

6.8K 5% 1/4W

R9012

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R9013

QRE141J-471Y

C RESISTOR

470 5% 1/4W

R9014

QRE141J-472Y

C RESISTOR

4.7K 5% 1/4W

R9016

QRE141J-472Y

C RESISTOR

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

QRZ9005-680X

F.RES I/M

68 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-333Y

C RESISTOR

33K 5% 1/4W

R9303

QRE141J-102Y

C RESISTOR

1.0K 5% 1/4W

R9304

QRE141J-390Y

C RESISTOR

39 5% 1/4W

R9401

QRZ9006-4R7X

F RESISTOR

4.7 1/0W

R9501

QRE141J-221Y

C RESISTOR

220 5% 1/4W

Z 901

QNG0003-001Z

FUSE CLIP

Z 903

QNG0003-001Z

FUSE CLIP

Z 911

QNG0003-001Z

FUSE CLIP

Z 913

QNG0003-001Z

FUSE CLIP

(Main board)

Item

Parts number

Parts name

Area

Remarks

Summary of Contents for UX-T77

Page 1: ...enting static electricity Important for laser products Location of main parts Disassembly method Adjustment method Flow of functional operation until TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 2 1 3 1 4 1 5 1 7 1 16 1 20 1 21 1 21 1 22 This service manual is printed on 100 recycled paper Area Suffix UF China ...

Page 2: ...rrent check Electrical shock hazard testing After re assembling the product always perform an isolation check on the exposed metal parts of the product antenna terminals knobs metal cabinet 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 directl...

Page 3: ...ing 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 tester to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 2 Handling the traverse unit optical pi...

Page 4: ...ning 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 strål...

Page 5: ...ch board Front panel assembly LCD system CPU board Power amplifier board Heat sink Power supply board Tuner board Bottom chassis Bottom chassis Head amplifier mechanism control board CD player unit Power amplifier board Cassette mechanism Fig 1 Fig 2 ...

Page 6: ... sink AC socket Speaker output terminal Power amplifier board Din jack Power supply board EXT FM antenna terminal EXT AM antenna terminal Tuner board CD mechanism unit CD case CD mechanism board Optical pickup unit CD servo control board ...

Page 7: ...1 After turning the body upside down remove the two screws C retaining the front cabinet assembly 2 After turning the body back to initial position open the CD door while pressing the upper OPEN button 3 While moving the side panel L in the arrow direction remove the panel from the left side of the body 4 While moving the side panel R in the arrow direction remove the panel from the right side of ...

Page 8: ...nnector CN303 on the power amplifier board disconnect the card wire outgoing from the connector CN34 on the head amplifier and mechanism control board 6 From the connector CN901 on the power supply board disconnect the connector wire outgoing from the connector W306 on the power amplifier board 7 Remove the one screw F retaining the power amplifier board 8 Remove the power amplifier board from the...

Page 9: ...power amplifier board and heat sink 5 From the bottom of the body disengage the engagement d fixing the front panel assembly in Fig 12 while pressing in with a minus screw driver eta Removing the power transformer and power supply board See Fig 13 1 Remove the rear panel 2 Remove the left and right side panels 3 Remove the CD player unit 4 Remove the power amplifier board and heat sink 5 Remove th...

Page 10: ...yer unit 4 Remove the front panel assembly 5 Remove the cassette mechanism unit 6 From inside the front panel assembly remove the two screws L retaining the operating switch board 7 From the connector CN782 on the LCD system CPU board disconnect the connector wire outgoing from the connector CN802 on the operating switch board 8 While sliding the two engagements e fixing the LCD system CPU board p...

Page 11: ...ing switch board 8 Remove the MULTI JOG button 9 Remove the VOLUME and POWER AUX buttons 10 Take out the standby LED lens 11 After removing four pawls f fixing the operating switch board remove the switch while pulling it in the arrow direction 12 Remove the two screws N retaining the operating swich board 13 Remove the six pawls g fixing the operating switch board MULTI JOG button Operating switc...

Page 12: ...Loosen the reversing azimuth screw retaining the Playback Recording Eraser head 8 Take out the Playback Recording Eraser head from the front of the head mount 9 The Playback Recoring Eraser head should also be removed similarly according to Steps 1 to 8 above Reassembling the Playback Recording Eraser head See Fig 3 1 Reassemble the playback head from the front of the head mount to the position as...

Page 13: ...retaining the main motor assembly See Fig 4 and 4a 2 While raising the main motor remove the capstan belt from the motor pulley See Fig 4a Caution 1 Be sure to handle the capstan belt so carefully that this belt will not be stained by grease and other foreign matter Moreover this belt should be hanged while referring to the capstan belt hanging method in Fig 5 and 6 Belt Main motor assembly Head a...

Page 14: ...ull out the flywheel R and L respectively from behind the cassette mechanism Removing the Reel Pulse P C board and Solenoid See Fig 9 1 Remove the five pails a to reattaining the reel pulse board 2 From the surface of the reel pulse board parts remove the two pails Ian retaining the solenoid Flywheel R Flywheel L Capstan shaft R Capstan shaft L Slit washer 1 Slit washer 1 Fig 8 Flywheel R Flywheel...

Page 15: ...nector CN601 on the CD servo control board disconnect the card wire outgoing from the CD mechanism 6 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 7 Remove the four screws B retaining the CD mechanism 8 While sliding the CD mechanism in the arrow direction take turn table out so carefully that it ...

Page 16: ... 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: ...ged 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 playi...

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 TYP...

Page 20: ...matic 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 Tr...

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 characteristi...

Page 22: ... 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 SOFT MUTING ...

Page 23: ...ing 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...

Page 24: ... PDER PDFR TBAL 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 ...

Page 25: ...error 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 ...

Page 26: ...tion 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 Tape...

Page 27: ...h 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 28: ...erminal 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 TIN2...

Page 29: ...R 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 30: ...UF D BUF D BUF T S D D BUF D BUF D BUF GND CH4 OUTA CH4 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 ...

Page 31: ...nction 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 PIC 21043SP IC702 Remotocontrol receiver 2 Pin function 1 Pin layout 3 2 1 Gnd Vcc Vout Pin No Function 1 2 3 ...

Page 32: ...1 32 UX T77 MEMO ...

Page 33: ...3 UX T77 Printed in Japan 200008 O No 20865 UX T77 VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK B U 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan ...

Page 34: ...ST AMP 1 3 COIL BLOCK Q8 TUNER BOARD IC1 FM IF DET MPX AM RF IF DET AM DET 24 23 1 21 19 18 17 13 ANT TERMINAL J1 AM 1 SYSTEM CPU BOARD J3003 CN701 CN712 4 7 4 CN302 4 CN1 J3001 AUX IN 5 CN305 AM IF TU1 FM TUNER PACK Q1 FM 3 To Speaker Lch HEAD PHONE CF1 CF2 POWER AMP BOARD To L301 5 6 3 4 CN31 R P Head L E Head 5 1 CN34 IC32 RB REC AMP 5 13 16 14 HEAD AMP BOARD ...

Page 35: ...R0786 001Z QQR0786 001Z QQR0786 001Z QQR0786 001Z 33K 33K QSW0547 001 QSW0547 001 91K 91K 1 5K 1 5K 2 2K 2 2K 150P 150P 10K 10K QGF1205C1 09 QGF1205C1 09 150P 150P 150P 150P 2 7K 2 7K 27K 27K PIC 21043SP PIC 21043SP 1K 1K 1K 1K 1K 1K 1 2K 1 2K 68K 68K 10K 10K UPD78064GF 149 UPD78064GF 149 1K 1K 1 2K 1 2K 1K 1K 0 01 0 01 2SC2412K R X 2SC2412K R X QGB1214K1 06S QGB1214K1 06S 1K 1K 1K 1K 1K 1K 2 2K 2...

Page 36: ...3031 R3032 J3002 F901 J901 C901 C903 C904 D903 D902 D904 J3003 C902 D901 C2083 R1004 R2004 C1082 C1083 C3087 C3081 C3085 C3084 C3083 C3086 R1082 R1083 R3081 R2082 IC38 0 01 16 4 7K KTC3199 GL T KTC3199 GL T 2SB1565 EF 470 4 7K 220P DTA144TS T KTA1267 YG T 1SR35 100A T5 3 3K BA15218N 150K KTA1267 YG T 39 4 7 25 10P 15K 4 7K 2SD2144S VW T 2 7K 10K 1 5K QQR0868 001Z 62K QGF1205C1 10 QGB1214J1 20S 2SC...

Page 37: ... 0 1 0 022 25 220 16 0 001 MN35510 0 047 25 4 7K 470 10 100 10 56K 12K 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 VMC0163 R07 470K 2K 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 VMC0163 ...

Page 38: ...2 5 UX T77 I H A B C D E F G 1 2 3 4 5 6 PLAYBACK SIGNAL RECORDING SIGNAL Head amplifier Mechanism control section ...

Page 39: ...2 6 I H A B C D E F G 1 2 3 4 5 6 UX T77 UX T77 Tuner section FM RADIO TUNER SIGNAL AM RADIO SIGNAL ...

Page 40: ...2 7 UX T77 I H A B C D E F G 1 2 3 4 5 6 Printed circuit boards Main board ...

Page 41: ...2 8 I H A B C D E F G 1 2 3 4 5 6 UX T77 UX T77 LCD system CPU board CD servo control board ...

Page 42: ... R31 R30 C97 R27 C84 Q25 R36 R37 C66 B126 R65 L5 R48 C93 R60 R66 R82 R52 L10 R54 R55 R56 R57 R46 R84 R81 R86 C82 C92 T1 CF1 L7 X1 B121 B127 C7 L6 D21 D20 R32 R61 B133 D2 D1 D3 D4 R34 R35 L8 Q21 C55 B123 C9 C81 C80 Q24 Q12 Q27 R69 R85 C72 B128 B134 R20 B120 C94 Q26 C90 R91 R92 Q13 Q14 Q15 C23 R14 C91 R23 C46 R25 C47 C30 R24 R39 R38 C10 C18 C3 C8 B124 R12 R83 C85 TU1 C86 C5 D5 D6 B129 C99 WR3 B131 B...

Page 43: ...2 10 UX T77 A B C D E 1 2 3 4 5 6 Head amplifier Mechanism control board SW1 SW2 SW3 SW4 SW5 P1 D1 IC1 CN1 SW6 T01 Cassette switch board Cassette switch board ...

Page 44: ... available as service parts Contents Exploded View of General Assembly and Parts List CD Mechanism Ass y and Parts List Cassette Mechanism Ass y and Parts List Electrical Parts List Packing Materials and Accessories Parts List UX T77 3 3 3 3 3 Areas Suffix UF China 3 5 6 11 19 ...

Page 45: ...UX T77 3 2 MEMO ...

Page 46: ...ck No M1MM 8 8 9 9 49 94 a 94 b i i 93 a 96 92 c 91 95 c Tuner board Head amplifier mechanism control board LCD system light board Power amplifier board Function board Operating switch board CD servo control board LCD system CPU board d d g b e 97 Power supply board e g 99 j j k k 98 100 101 102 51 ...

Page 47: ...1 JACK HOLDER 1 ABS FOR 46 QYSBSF3010Z SCREW 1 PWB JACK HOL 47 VYH8153 001 RADIATION 1 AL e j 48 QYSBST3012Z T SCREW 4 RADI IC 49 QYSBST3006Z T SCREW 1 RADI CHASSIS 50 QYSBST3006Z T SCREW 1 MAIN PWB CHASSI 51 QYSBST3006Z T SCREW 1 TUNER PWB CHASS General assembly Item Parts number Parts name Area A Parts list Q ty Description Block No M1MM 52 VYH3987 001SC IC HOLDER 1 SPTE T0 4 54 VMA3239 001 SHIE...

Page 48: ...1 6 QYSDSP2003N SCREW 4 7 E406750 332SC PINION GEAR 1 8 EPB 001PK TURN TABLE ASSY 1 9 E406784 001 FEED MOTOR 1 10 QAR0130 001 SPPINDLE MOTOR 1 11 EMW10190 001 P C BOARD 1 12 QGA2001F1 06 6P PLUG ASSY 1 FOR P011 13 QSW0506 001 LEAF SWICH 1 FOR S001 14 E75832 221 SPECIAL SCREW 1 12 FG 87HS FG 87HS FG 87HS Grease point FG 87HS Grease to apply have to be a little for the exchange CD mechanism assembly...

Page 49: ...UX T77 3 6 Cassette switch board Head amplifier mechanism control board 63 C C SLC S1YPM Cassette mechanism assembly and parts list Block No M M M 3 ...

Page 50: ...KW5300 002 PIN ROL SP L 1 26 VKW5285 001 RETURN SPRING 1 27 VKY3149 002 CASSETTE SP 1 28 VKM3906 002 PLAY SW LEVER 1 29 VKS1166 003 CONTROL CAM 1 30 VKW5279 001 HEAD BASE SP R 1 31 VKW5280 001 HEAD BASE SP L 1 32 VKS5603 00D MAIN PULLEY ASY 1 33 VKS3785 001MM FR ARM 1 34 VKW5284 002 SWING SPRING 1 35 VKS2278 003 TRIGGER ARM 1 36 VKW5301 001 FR SPRING 1 37 VKW5266 001 ELEVATOR SPRING 1 38 WDL214025...

Page 51: ...T77 3 8 Fig 1 EM 30L Fig 2 EM 30L EM 30L Fig 3 EM 30L Fig 4 EM 30L EM 30L EM 30L EM 30L Fig 1 Fig 2 Fig 3 Fig 4 Remove the Head mount Ass y on the Chasis Base Grease point 1 3 EM 30L UD 24 LEN 320M Grease ...

Page 52: ...5 Fig 1 Fig 2 EM 30L EM 30L Fig 5 Fig 1 Fig 2 EM 30L Fig 3 Fig 3 Fig 4 EM 30L Fig 4 LEN 320M Grease point 2 3 Note It is a putting up of the control cam to UD 24H Hanarl and LEN 320M Grease dipping on the Control cam ...

Page 53: ...UX T77 3 10 Fig 1 EM 30L EM 30L EM 30L EM 30L Fig 2 Fig 4 Fig 6 Fig 3 Fig 5 EM 30L EM 30L UD 24 UD 24 Fig 1 Fig 6 Fig 2 Fig 5 Fig 4 Fig 3 Grease point 3 3 ...

Page 54: ... 105Z JB E CAPACITOR 1 0MF 20 50V C3033 QFLC1HJ 563Z TF CAPACITOR 056MF 5 50V C3034 QFLC1HJ 563Z TF CAPACITOR 056MF 5 50V C3035 QETC1HM 105Z JB E CAPACITOR 1 0MF 20 50V C3036 QETC1CM 106Z JB E CAPACITOR 10MF 20 16V C3037 QETC1CM 106Z JB E CAPACITOR 10MF 20 16V C3041 QETC1EM 106Z JB CAPACITOR 10MF 20 25V C3051 QETC1CM 476Z JB E CAPACITOR 47MF 20 16V C3052 QETC1CM 476Z JB E CAPACITOR 47MF 20 16V C30...

Page 55: ...W R2032 QRE141J 223Y C RESISTOR 22K 5 1 4W R2033 QRE141J 103Y C RESISTOR 10K 5 1 4W R2041 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R2051 QRE141J 154Y C RESISTOR 150K 5 1 4W R2052 QRE141J 102Y C RESISTOR 1 0K 5 1 4W R2054 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R2055 QRE141J 332Y C RESISTOR 3 3K 5 1 4W R2056 QRE141J 103Y C RESISTOR 10K 5 1 4W R2057 QRE141J 124Y C RESISTOR 120K 5 1 4W R2058 QRE141J 823Y C RE...

Page 56: ...DENGEN NOISE CN601 QGF1008F1 15 21 41 CONNECTOR TO RF CN603 QGF1205F1 07 CONNECTOR TO AUDIO CN604 QGF1205F1 11 CONNECTOR TO MICON CN605 QGA2501F1 03 CONNECTOR TO DIGITAL OUT D 661 1SS254 T2 SI DIODE IC601 AN8806SB IC RF AMP IC602 BA6897FP IC IC603 MN35510 IC 1CHIP PROCESSER Q 601 2SA952 LK T TRANSISTOR Q 631 2SA952 LK T TRANSISTOR R 601 QRE141J 113Y C RESISTOR 11K 5 1 4W R 603 QRE141J 125Y C RESIS...

Page 57: ...TOR CN701 QGF1205F1 10 CONNECTOR TO TUNER PWB CN711 QGB1214K1 20S CONNECTOR TO AMP PWB CONT CN712 QGB1214K1 06S CONNECTOR TO AMP PWB SIG CN731 QGF1205C1 09 CONNECTOR TO MECHA PWB CN766 QGF1205F1 11 CONNECTOR TO CD PWB CN781 QGB2016K1 03 CONNECTOR TO FRONT SW PWB CN782 QGF1205C1 05 CONNECTOR TO TOP SW PWB CN801 QGB2016J1 03 CONNECTOR CN802 QGF1205F1 05 CONNECTOR C7001 NCS21HJ 180X C CAPACITOR CLOCK...

Page 58: ... X TRANSISTOR POUT DRIVER Q7092 2SA1037AK RS X TRANSISTOR STANDBY LED CON Q7601 DTC144TKA X TRANSISTOR Q7602 DTC144TKA X TRANSISTOR Q7603 2SC2412K R X TRANSISTOR R 1 NRSA02J 102X MG RESISTOR R 2 NRSA02J 821X MG RESISTOR R 11 NRSA02J 104X MG RESISTOR R 12 NRSA02J 222X MG RESISTOR R 13 NRSA02J 103X MG RESISTOR R 14 NRSA02J 103X MG RESISTOR R 15 NRSA02J 103X MG RESISTOR R 18 NRSA02J 102X MG RESISTOR ...

Page 59: ... 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 RESISTOR R7734 NRSA02J 222X MG RESISTOR R7735 NRSA02J 222X MG RESISTOR R7738 NRSA02J 222X MG RESIS...

Page 60: ...NNECTOR PRI MICON CN 34 QGF1205F1 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 EF FLAT 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 DTC114TKA X TRANSISTOR Q 102 DTC114TKA X TRANSISTOR REC EQ CONT Q 201 DTC114TKA X TRANSISTOR Q 202 DTC114T...

Page 61: ...3X RES C M 12K 5 1 10W R 342 NRSA02J 203X MG RESISTOR 20K 5 1 10W R 343 NRSA02J 183X MG RESISTOR 18K 5 1 10W R 351 NRSA02J 683X MG RESISTOR 68K 5 1 10W R 352 NRSA02J 912X RES C M 9 1K 5 1 10W R 371 NRSA02J 123X RES C M 12K 5 1 10W R 372 NRSA02J 102X RES C M 1 0K 5 1 10W R 375 NRSA02J 151X MG RESISTOR 150 5 1 10W R 376 NRSA02J 472X RES C M 4 7K 5 1 10W VR 31 QVP0008 503Z SEMI V RESISTOR BIAS ADJ VR...

Page 62: ...UX T77 3 19 A10 A11 A12 A13 A8 A1 A2 A3 A4 A14 Block No M4MM Block No M5MM Packing Materials and Accessories Parts List ...

Page 63: ...N BOTTOM 1 P 9 VGSP024 004 CUSHION 2 FOR SPEAKER P 10 VPK3001 012SC SHEET 1 Packing parts list Item Parts number Parts name Area A Q ty Description Block No M5MM A 1 EWP201 011 B IN ANT 1 FM ANT A 2 LVT0495 001A INST BOOK 1 CHI A 3 BT 59007 2 WARRANTY CARD 1 A 4 BT 59009 1 SVC CENTER LIST 1 A 8 QMPS020 183 JC POWER CORD 1 A 10 VGR0063 201 REMOCON UNIT 1 A 11 R6SPTT 2STA BATTERY 2 FOR REMOCON A 12 ...

Page 64: ...UX T77 3 21 MEMO ...

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