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Sony LBT-LX7, Service Manual

The Sony LBT-LX7 Service Manual is a comprehensive guide that allows users to troubleshoot and repair their Sony LBT-LX7 audio system. With easy-to-follow instructions and detailed diagrams, this manual is available for free download from manualshive.com, ensuring you have the necessary resources to get your device running smoothly.

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72

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

< RESISTOR >

0

R401

1-215-867-00 METAL OXIDE

470

5%

1W

(LX8)

0

R401

1-215-868-00 METAL OXIDE

680

5%

1W

(LX7)

R406

1-249-437-11 CARBON

47K

5%

1/4W

R407

1-249-437-11 CARBON

47K

5%

1/4W

R410

1-249-389-11 CARBON

4.7

5%

1/4W F

(LX7)

R411

1-249-389-11 CARBON

4.7

5%

1/4W F

(LX7)

R412

1-249-389-11 CARBON

4.7

5%

1/4W F

(LX7)

R413

1-249-389-11 CARBON

4.7

5%

1/4W F

(LX7)

R414

1-260-076-11 CARBON

10

5%

1/2W

(LX7)

R415

1-260-076-11 CARBON

10

5%

1/2W

(LX7)

R429

1-249-437-11 CARBON

47K

5%

1/4W

R431

1-249-438-11 CARBON

56K

5%

1/4W

R432

1-249-437-11 CARBON

47K

5%

1/4W

R434

1-247-863-91 CARBON

22K

5%

1/4W

R435

1-249-425-11 CARBON

4.7K

5%

1/4W F

(LX8)

R437

1-249-429-11 CARBON

10K

5%

1/4W

R439

1-249-425-11 CARBON

4.7K

5%

1/4W F

R440

1-249-437-11 CARBON

47K

5%

1/4W

(LX7)

R440

1-247-863-91 CARBON

22K

5%

1/4W

(LX8)

R441

1-249-435-11 CARBON

33K

5%

1/4W

R446

1-249-429-11 CARBON

10K

5%

1/4W

R447

1-249-437-11 CARBON

47K

5%

1/4W

R460

1-249-429-11 CARBON

10K

5%

1/4W

(LX8)

R801

1-249-417-11 CARBON

1K

5%

1/4W F

R802

1-249-437-11 CARBON

47K

5%

1/4W

R803

1-249-412-11 CARBON

390

5%

1/4W F

R804

1-249-435-11 CARBON

33K

5%

1/4W

R805

1-216-436-00 METAL OXIDE

3.9K

5%

1W

R806

1-216-436-00 METAL OXIDE

3.9K

5%

1W

0

R807

1-212-881-11 FUSIBLE

100

5%

1/4W

R808

1-214-789-00 METAL

0.1

10%

5W

R809

1-260-076-11 CARBON

10

5%

1/2W

R810

1-249-437-11 CARBON

47K

5%

1/4W

R811

1-249-417-11 CARBON

1K

5%

1/4W F

R812

1-249-431-11 CARBON

15K

5%

1/4W

R813

1-249-441-11 CARBON

100K

5%

1/4W

R814

1-249-421-11 CARBON

2.2K

5%

1/4W F

R815

1-247-863-91 CARBON

22K

5%

1/4W

R816

1-249-429-11 CARBON

10K

5%

1/4W

R817

1-249-421-11 CARBON

2.2K

5%

1/4W F

R818

1-249-417-11 CARBON

1K

5%

1/4W F

R819

1-249-439-11 CARBON

68K

5%

1/4W

0

R820

1-202-972-61 FUSIBLE

1

5%

1/4W

R821

1-249-435-11 CARBON

33K

5%

1/4W

R822

1-247-863-91 CARBON

22K

5%

1/4W

R823

1-247-863-91 CARBON

22K

5%

1/4W

0

R824

1-249-418-11 CARBON

1.2K

5%

1/4W F

R825

1-215-891-11 METAL OXIDE

680

5%

2W

R827

1-249-441-11 CARBON

100K

5%

1/4W

R828

1-247-903-00 CARBON

1M

5%

1/4W

R831

1-249-441-11 CARBON

100K

5%

1/4W

R832

1-249-441-11 CARBON

100K

5%

1/4W

R833

1-247-856-00 CARBON

11K

5%

1/4W

(LX8)

R833

1-247-858-11 CARBON

13K

5%

1/4W

(LX7)

R834

1-249-429-11 CARBON

10K

5%

1/4W

R835

1-249-437-11 CARBON

47K

5%

1/4W

R836

1-249-417-11 CARBON

1K

5%

1/4W F

R837

1-249-435-11 CARBON

33K

5%

1/4W

R838

1-249-435-11 CARBON

33K

5%

1/4W

R839

1-215-877-11 METAL OXIDE

22K

5%

1W

R840

1-249-402-11 CARBON

56

5%

1/4W F

R851

1-249-417-11 CARBON

1K

5%

1/4W F

R852

1-249-437-11 CARBON

47K

5%

1/4W

R853

1-249-412-11 CARBON

390

5%

1/4W F

0

R855

1-215-891-11 METAL OXIDE

680

5%

2W

0

R857

1-212-881-11 FUSIBLE

100

5%

1/4W

R858

1-214-789-00 METAL

0.1

10%

5W

R859

1-260-076-11 CARBON

10

5%

1/2W

R860

1-249-437-11 CARBON

47K

5%

1/4W

R861

1-249-417-11 CARBON

1K

5%

1/4W F

R862

1-249-431-11 CARBON

15K

5%

1/4W

R863

1-249-441-11 CARBON

100K

5%

1/4W

R864

1-249-425-11 CARBON

4.7K

5%

1/4W F

(LX7)

R865

1-247-863-91 CARBON

22K

5%

1/4W

(LX7)

R868

1-249-417-11 CARBON

1K

5%

1/4W F

R880

1-249-402-11 CARBON

56

5%

1/4W F

R888

1-214-789-00 METAL

0.1

10%

5W

R889

1-215-877-11 METAL OXIDE

22K

5%

1W

R898

1-214-789-00 METAL

0.1

10%

5W

R901

1-249-429-11 CARBON

10K

5%

1/4W

(LX7)

R902

1-249-441-11 CARBON

100K

5%

1/4W

(LX7)

R903

1-249-429-11 CARBON

10K

5%

1/4W

R904

1-249-417-11 CARBON

1K

5%

1/4W F

R905

1-249-429-11 CARBON

10K

5%

1/4W

R906

1-247-807-31 CARBON

100

5%

1/4W

R907

1-247-807-31 CARBON

100

5%

1/4W

R908

1-247-807-31 CARBON

100

5%

1/4W

(LX7)

R911

1-249-429-11 CARBON

10K

5%

1/4W

(LX7)

R912

1-249-429-11 CARBON

10K

5%

1/4W

(LX7)

R915

1-247-791-91 CARBON

22

5%

1/4W

(LX8)

R916

1-215-890-11 METAL OXIDE

470

5%

2W

(LX8)

PA

The components identified by mark 

0

 or dotted

line with mark 

0

 are critical for safety.

Replace only with part number specified.

Summary of Contents for LBT-LX7

Page 1: ... AEP 4 227 074 71 MANUAL INSTRUCTION POLISH RUSSIAN CIS 4 227 074 81 MANUAL INSTRUCTION ARABIC EA 4 227 074 91 MANUAL INSTRUCTION CHINESE SP MY 4 227 075 11 MANUAL INSTRUCTION CZECH CIS 4 227 075 21 MANUAL INSTRUCTION HUNGARIAN CIS 4 227 075 31 MANUAL INSTRUCTION GREEK CIS 4 227 075 41 MANUAL INSTRUCTION TURKISH CIS 4 228 574 11 MANUAL INSTRUCTION ENGLISH FRENCH GERMAN SPANISH DUTCH SWEDISH ITALIA...

Page 2: ...e Model Name Using Similar Mechanism HCD DR4 XB500 CD Mechanism Type CDM37M 5BD32L Base Unit Type BU 5BD32L Optical Pick up Type KSS 213D Q NP Model Name Using Similar Mechanism HCD GRX10AV RX110AV Tape Transport Mechanism Type TCM 230PWR1 CD SECTION TAPE DECK SECTION SERVICE MANUAL HCD LX7 LX8 is the tuner deck CD and amplifier section in LBT LX7 LX8 ...

Page 3: ...rcuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SON...

Page 4: ...nted matter which is included in the repair parts The flexible board is easily damaged and should be handled with care NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick up block Therefore when checking the laser diode emission ob serve from more than 30 cm away from the objec...

Page 5: ...rd Main Section 28 6 6 Schematic Diagram Main 1 3 Section 29 6 7 Schematic Diagram Main 2 3 Section 30 6 8 Schematic Diagram Main 3 3 Section 31 6 9 Schematic Diagram Deck Section 32 6 10 Printed Wiring Board Deck Section 33 6 11 Schematic Diagram Power Section 34 6 12 Printed Wiring Board Power Section 35 6 13 Schematic Diagram Panel FL Section 36 6 14 Printed Wiring Board Panel FL Section 37 6 1...

Page 6: ...orescent indicator tube 4 With the CD in stop status When the AMS knob is rotated in the clockwise direction the pick up moves outside When rotated counterclockwise it moves inside 5 To exit from this mode perform as follows 1 Move the pick up to the most inside track 2 Execute MC cold reset Press the three buttons c CLOCK SET ENTER and 1 button simultaneously Note Always move the pick up to most ...

Page 7: ... set ON 2 Load 10 minute tapes with unbent rec proof tabs in decks A and B 3 Set CDs on the DISC 1 and DISC 4 tables 4 Set the CD mode REPEAT to OFF and PLAY MODE to ALL DISCS Press the PLAY MODE and REPEAT buttons to set these modes 5 Press the FUNCTION button to switch the function to CD 6 Press the three buttons c CLOCK SET ENTER and DISC 4 button simultaneously 7 Aging starts 8 To end aging pr...

Page 8: ...Display Mode Mode which enables the history of error occurring in the CD player to be checked Execute this mode after ending the aging mode Procedure 1 Press the 1 button to turn the set ON 2 Press the three buttons c CLOCK SET ENTER and CD SYNC simultaneously 3 A message such as EMC EDC is displayed Number of mechanical errors Up to three past errors Number of errors NO DISC ERROR which occurs af...

Page 9: ...ay Switch the history by pressing the REPEAT button Display E D Error number 00 is the newest Error contents 01 Focus error 02 GFS error 03 Setup error Retries 00 NO DISC is determined without attempting chucking retry 02 NO DISC is determined after chucking retry State when determined as NO DISC 1 When stopped 2 At setup 3 At TOC READ 4 When accessing 5 When playing 6 When pausing 7 When manual s...

Page 10: ...nel 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 16 17 18 19 20 21 24 25 26 30 31 32 33 27 28 29 36 37 38 34 35 39 40 41 42 43 44 45 46 47 48 49 50 52 53 57 58 59 60 61 62 65 66 67 54 55 56 51 63 64 68 69 70 71 72 73 74 22 23 Photo HCD LX8 ...

Page 11: ...REC B Deck button and indicator 32 HI SPEED DUB button 33 CD SYNC button 34 AMS knob 35 HX CD button and indicator 36 x CD button 37 m CD button 38 M CD button 39 DISK SKIP button 40 VIDEO2 INPUT jacks 41 REPEAT button 42 PLAY MODE button 43 DISC 1 button 44 DISC 2 button 45 DISC 3 button 46 DISC 4 button 47 DISC 5 button 48 EDIT button 49 NON STOP button and indicator 50 FLASH button 51 LOOP butt...

Page 12: ...th wirs 1Screw BVTP3x8 2Earth wire SECTION 3 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 3 1 FRONT PANEL 3 2 MAIN BOARD 1Two screws BVTP3x8 6Two screws BVTP3x8 qdTwo screws BVTP3x8 qfMain board qsFan motor 0Back panel 7Two screws BVTP3x8 8Three screws BVTP3x8 qaTwo screws BVTP3x8 5Seven screws BVTP3x8 3Tuner 2Flat type wire CN1 9Connector CN903 4Screw BVTP3x8 ...

Page 13: ...0Sub panel block 4Connector CN703 3Connector CN812 Claw 1CD lid assembly 3 Sab panel assembly 2Spring TC lid 3 5 TAPE MECHANISM DECK AND CASSETTE LID 1Two screws BVTP2 6x8 4Mechanism deck 5Two screws BVTP2 6x8 2Screw BVTP2 6x8 7Screw BVTP2 6x8 qaSpring deck B 9Spring TC lid 8Spring TC lid 0Bracket qdSpring deck A qfHolder deck A qsHolder deck B 3Screw BVTP2 6x8 6Screw BVTP2 6x8 ...

Page 14: ...disc table is installed adjust the positions of roller cam and mark B as shown in the figure then set to the groove of disc table 1Five screws BVTP3x8 2CD mechanism deck 3Base unit 1Yoke fitting 2Boss A A 2Screw BVTP3X8 1Screw BVTP3X8 4Stop screw 5Disc table 3Bracket BU ...

Page 15: ...S Mode FWD FWD back tension REV REV back tension FF REW FWD tension REV tension Torque meter Meter reading SECTION 5 ELECTRICAL ADJUSTMENTS DECK SECTION 0 dB 0 775V 1 Demagnetize the record playback head with a head demagnetizer 2 Do not use a magnetized screwdriver for the adjustments 3 After the adjustments apply suitable locking compound to the parts adjusted 4 The adjustments should be perform...

Page 16: ...equency counter becomes 6000 180 Hz 5 Press the HI SPEED DUB button and play the tape at normal speed 6 Adjust RV1002 of the LEAF SW board so that the reading of the frequency counter becomes 3000 90 Hz Adjustment Location LEAF SW board Sample Value of Wow and flutter W RMS JIS less than 0 3 test tape WS 48B Playback Level Adjustment Deck A Deck B Procedure Mode Playback Deck A is RV311 L CH and R...

Page 17: ...tion and playback is set This REC memory mode is convenient for performing this adjustment During recording the input signal FUNCTION will au tomatically switch to VIDEO 1 After recording press the m button without stopping will re turn to the position where recording was started 1 Press FUNCTION button to select VIDEO 1 This step is not necessary if the above test mode has already been set 2 Inse...

Page 18: ...nect oscilloscope to test point TP RF and TP VC on BD board 2 Press the 1 button to turn the set ON 3 Put disc YEDS 18 in and playback 5 track 4 Confirm that oscilloscope waveform is clear and check RF sig nal level is correct or not Note Clear RF signal waveform means that the shape can be clearly distinguished at the center of the waveform RF signal waveform Adjustment Location BD BOARD SIDE A P...

Page 19: ...102 SLED MOTOR M101 SPINDLE MOTOR TFDR TRDR FFDR FRDR SRDR SFDR VC FD PD LASER DIODE A C D B E F DETECTOR OPTICAL PICK UP BLOCK KSS 213B K N LD POWER RF AC ASY1 48 38 42 43 39 41 40 28 26 29 ASY0 ASYMMETRY CORRECTION SFDR MDP SRDR 33 32 FRDR FFDR 31 30 42 TRDR TFDR SE CE TE FE RFDC CE VC SLED PWM GENERATOR FOCUS PWM GENERATOR TRACKING PWM GENERATOR PWM GENERATOR SLED SERVO FOCUS SERVO TRACKING SER...

Page 20: ...H PAS DOL P R REC PB HEAD DECK B X DOLBY NR IC301 DOLBY NR HRPE101 RV341 REC BIAS 32 23 NR ON OFF NR ON OFF 17 S1004 A CrO2 S1008 B CrO2 19 A 120 70 B NORM CROM METAL M CAP MOTOR CONTROL Q336 343 SPEED CONTROL Q1001 SWITCH Q335 RV1001 HIGH SPEED RV1002 NORMAL SPEED M1 CAPSTAN MOTOR CAPM CNT2 CAP M H L CAPM CNT1 REEL DETECT IC1001 A SHUT B SHUT REEL DETECT IC1002 S1001 A PLAY 5V S1002 B PLAY A PLAY...

Page 21: ...H L V MUTE SW MODE 493 LAT 493 DATA FUNC SEL1 22 AC CUT 46 FUNC SEL0 48 493 MUTE RESET 7 28 34 38 47 45 46 48 48 47 38 34 37 BUF IN2 SWITCH Q115 7 SWITCH Q111 SWITCH Q112 57 36 39 38 58 L R 30 MUTE SWITCH Q113 VIDEO OUT J702 TC REC L DECK SECTION POWER SECTION MIC SIG ST L CD L D OUT J701 B Page 19 A Page 18 C Page 22 23 DECK SECTION B Page 19 POWER SECTION E Page 22 23 DISPLAY SECTION D Page 24 T...

Page 22: ...6 78 79 57 56 58 59 63 61 65 68 19 33 32 35 37 20 50 21 49 52 51 53 54 55 BIAS REC MUTE ALC EQ H N PB A B A PLAY SW B PLAY SW A HALF B HALF A SHUT B SHUT TC RELAY A TRG B TRG CAP M H L CAPM CNT 2 CAPM CNT 1 TC MUTE AMS IN R PB PAS NR ON OFF HOLD SENS DISC SENS XLT XRST TBL R TBL L ENC 3 UP SW ENC 2 DISC LED SCOR SQ CLK SQ DATA CD DATA CD CLK RDS INT STEREO RDS DATA ST MUTE ST CE TUNED ST DOUT ST D...

Page 23: ...VER Q437 PROTECT SWITCH Q431 SWITCH Q904 35V REG Q903 RECT D831 VF 35V VH VF VF RECT D833 836 UNREG 12V UN 10V UN 10V RECT D841 844 AC L AC L RECT D832 POWER TRANSFORMER T951 VOLTAGE SELECTOR VS901 AC IN MAIN 1 SECTION G Page 20 MAIN 2 SECTION I Page 21 MIC SIG HP SW DISPLAY SECTION K Page 24 MAIN 1 SECTION C Page 20 MAIN 2 SECTION H Page 21 EXCEPT MX AUS EXCEPT MX AUS JW971 240V 230V 120V F951 JW...

Page 24: ...NSFORMER T901 AC IN POWER ECO 09 POWER SWITCH Q902 RECT D902 905 5 6V REG IC901 5 6V 1 3 SWITCH Q907 30V REG Q903 908 SWITCH Q904 905 SWITCH Q906 VF VF RECT D831 VH RECT D841 844 VL VL RECT D832 POWER TRANSFORMER T951 RECT D833 836 UNREG 12V UN 10V VH STANDBY RELAY CONTROL Q901 STANDBY RELAY RY901 JW954 230V J801 MIX MIC PROTECT MIC SIG J803 PHONES MIC SIG FAN DET HP SW DISPLAY SECTION K MAIN 1 SE...

Page 25: ... BPF 1 BPF 0 45 67 SEG 1 FLUORESCENT INDICATOR TUBE FL601 23 29 VF 40 42 GR 3 14 2 DRIVER 74 75 77 9 10 3 4 5 14 15 13 LED DRIVER KEY MATRIX VOLUME D601 D603 7 80 Q601 Q603 Q605 Q607 Q608 Q610 D604 D607 D611 D612 D616 D621 D623 D627 D635 D638 D700 D631 D632 D641 11 15 LED POWER SWITCH 1 REMOTE CONTROL RECIEVE IC702 S701 2 8 AMS S701 JOG S691 Z OPEN SIRCS JOG A JOG B VOLUME A VOLUME B KEY 0 KEY 4 L...

Page 26: ...ich enables seeing The other layers patterns are not indicated U B Line V B Line H adjustment for repair Voltages and waveforms are dc with respect to ground under no signal detuned conditions Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal p...

Page 27: ...HCD LX7 LX8 26 26 6 3 PRINTED WIRING BOARD BD CD SECTION See page 17 for Circuit Boards Location Page 28 VC RF AGCCON FE FF1 TE 19 Q ...

Page 28: ...HCD LX7 LX8 27 27 6 4 SCHEMATIC DIAGRAM BD CD SECTION See page 25 for Waveforms Page 30 TP TE TP RP TP AGCCON TP FE TP VC 68 10V 220 19P NC C ...

Page 29: ...8 IC191 I 6 IC301 C 11 IC501 C 7 IC601 I 12 IC781 I 1 IC801 B 6 IC901 C 2 IC911 E 4 IC931 C 3 IC932 C 3 IC933 B 2 IC951 I 2 Q111 G 10 Q112 G 8 Q113 F 8 Q115 F 9 Q161 F 8 Q162 F 8 Q163 E 8 Q165 F 10 Q331 A 11 Q332 A 11 Q333 A 11 Q334 A 11 Q335 A 9 Q336 A 11 Q337 A 10 Q338 A 9 Q339 A 9 Q340 A 10 Q341 A 10 Q342 A 10 Q343 A 10 Q801 B 6 Q802 A 5 Q803 A 5 Q804 B 5 Q901 H 2 Q902 H 2 Q903 H 2 Q904 H 2 Q90...

Page 30: ...HCD LX7 LX8 29 29 6 6 SCHEMATIC DIAGRAM MAIN 1 3 SECTION See page 50 for IC Block Diagrams MICON INTERFACE ...

Page 31: ...HCD LX7 LX8 30 30 6 7 SCHEMATIC DIAGRAM MAIN 2 3 SECTION See page 25 for Waveforms See page 28 for Printed Wiring Board See page 50 for IC Pin Functions PIN FUNCTION ...

Page 32: ...HCD LX7 LX8 31 31 6 8 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 28 for Printed Wiring Board ...

Page 33: ...HCD LX7 LX8 32 32 6 9 SCHEMATIC DIAGRAM DECK SECTION Page 30 ...

Page 34: ...HCD LX7 LX8 33 33 6 10 PRINTED WIRING BOARD DECK SECTION See page 17 for Circuit Boards Location Page 28 ...

Page 35: ...HCD LX7 LX8 34 34 6 11 SCHEMATIC DIAGRAM POWER SECTION ...

Page 36: ...A 6 D841 A 9 D842 A 9 D843 A 9 D844 A 8 D851 D 7 D852 E 6 D853 A 4 D902 D 2 D903 C 2 D904 C 2 D905 D 2 D906 B 1 D907 C 3 D908 C 2 D909 C 2 D910 C 3 D911 A 3 D912 A 3 D913 A 1 IC801 F 7 IC901 B 2 Q401 G 10 Q402 G 10 Q431 D 3 Q432 C 3 Q433 D 4 Q434 C 4 Q437 D 3 Q439 C 3 Q801 D 8 Q803 D 5 Q804 D 6 Q805 B 8 Q831 D 9 Q832 D 9 Q833 C 9 Q834 D 8 Q851 D 7 Q855 B 8 Q901 C 1 Q902 B 2 Q903 A 1 Q904 A 3 Q905 ...

Page 37: ...HCD LX7 LX8 36 36 6 13 SCHEMATIC DIAGRAM PANEL FL SECTION See page 25 for Waveforms See page 50 for IC Block Diagrams See page 52 for IC Pin Functions PIN FUNCTION ...

Page 38: ... page 17 for Circuit Boards Location Semiconductor Location D601 A 13 D602 A 10 D603 B 10 D604 A 3 D605 B 3 D608 B 12 D617 B 3 IC601 C 7 IC603 C 9 Ref No Location Q601 B 12 Q602 B 12 Q603 B 12 Q605 A 13 Q606 A 10 Q607 B 10 Q608 B 9 Q609 B 8 Q610 B 6 Ref No Location ...

Page 39: ...HCD LX7 LX8 38 38 6 15 SCHEMATIC DIAGRAM PANEL VR SECTION See page 50 for IC Block Diagrams ...

Page 40: ...PANEL VR SECTION See page 17 for Circuit Boards Location Semiconductor Location D606 A 10 D607 A 7 D611 B 11 D612 C 12 D616 C 8 D618 A 12 D619 B 6 D620 B 6 D621 B 6 D623 B 7 D624 B 8 D625 B 8 D626 B 9 D627 B 10 IC701 C 7 IC702 A 3 Ref No Location ...

Page 41: ...HCD LX7 LX8 40 40 6 17 SCHEMATIC DIAGRAM TC PANEL SECTION ...

Page 42: ...HCD LX7 LX8 41 41 6 18 PRINTED WIRING BOARD TC PANEL SECTION See page 17 for Circuit Boards Location ...

Page 43: ...HCD LX7 LX8 42 42 6 19 SCHEMATIC DIAGRAM CD PANEL SECTION ...

Page 44: ...HCD LX7 LX8 43 43 6 20 PRINTED WIRING BOARD CD PANEL SECTION See page 17 for Circuit Boards Location ...

Page 45: ...HCD LX7 LX8 44 44 6 21 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 30 ...

Page 46: ...HCD LX7 LX8 45 45 6 22 PRINTED WIRING BOARD CD MOTOR SECTION See page 17 for Circuit Boards Location Page 28 ...

Page 47: ...HCD LX7 LX8 46 46 6 23 SCHEMATIC DIAGRAM TRANS SECTION LX7 model ...

Page 48: ...HCD LX7 LX8 47 47 6 24 PRINTED WIRING BOARD TRANS SECTION LX7 model See page 17 for Circuit Boards Location ...

Page 49: ...HCD LX7 LX8 48 48 6 25 SCHEMATIC DIAGRAM TRANS SECTION LX8 model ...

Page 50: ...6 PRINTED WIRING BOARD TRANS SECTION LX8 model See page 17 for Circuit Boards Location 6 27 SCHEMATIC DIAGRAM LEAF SW SECTION 6 28 PRINTED WIRING BOARD LEAF SW SECTION See page 17 for Circuit Boards Location Page 28 Page 30 ...

Page 51: ...reset signal input 13 X OUT O X tal 16MHz MAIN SYSTEM CLOCK 14 VSS Ground 15 X IN I X tal 16MHz MAIN SYSTEM CLOCK 16 VDD Power supply 5V 17 NMI I Not used 18 WAKE UP I WAKE UP signal input 19 SCOR I CD Q data request signal input 20 RDS INT I RDS data interrupt input 21 RDS DATA I RDS data interrupt input 22 AC CUT I AC cut ON L OFF H check 23 PL CLK O Clock output to pro logic Not used 24 PL DATA...

Page 52: ...er motor control output 74 CAP M COT2 O Capstan motor REW FWD STOP signal output 75 CAP M COT1 O Capstan motor REW FWD STOP signal output 76 CAP M H L O Capstan motor High Low speed select signal output 77 AMS IN I AMS signal input 78 TC MUTE O TC line mute ON OFF selection output 79 R PB PAS O REC PB PASS selection output 80 NR ON OFF O DOLBY NR ON OFF signal output 81 REC MUTE O REC mute ON OFF ...

Page 53: ...al output 23 Vss 24 VAss 25 VAref I Analog reference voltage input 26 VDD Power supply 5V 27 to 40 GR 3 to GR 16 O FL gride signal output 41 VDD VFT Power supply 5V for VFT 42 43 GR 1 GR 2 O FL gride signal output 44 SEG 0 O FL segment signal output Not used 45 to 67 SEG 1 to SEG 23 O FL segment signal output 68 Vkk Power supply 35V for FL segment signal output 69 Vdd Power supply 5V 70 X in I X t...

Page 54: ...7 1 CASE AND BACK PANEL SECTION NOTE Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not supplied Hardware mark list and accessories and pack ing materials are given in the last of this parts list The components identified by mark 0 or d...

Page 55: ... LX8 62 A 4428 198 A PANEL VR BOARD COMPLETE LX7 63 4 225 511 01 HOLDER FL 64 1 751 688 11 WIRE FLAT TYPE 13 CORE 65 A 4428 215 A PANEL FL BOARD COMPLETE 66 1 676 274 11 TC A BOARD 67 A 4428 180 A MIC BOARD COMPLETE 68 4 949 935 81 CUSHION FL 69 4 951 620 01 SCREW 2 6x8 BVTP FL601 1 517 940 11 INDICATOR TUBE FLUORESCENT 7 2 FRONT PANEL SECTION 1 Ref No Part No Description Remark Ref No Part No Des...

Page 56: ... 01 SPRING TC LID 113 X 4952 526 1 PANEL ASSY FRONT LX7 113 X 4952 625 1 PANEL ASSY FRONT LX8 114 4 225 523 01 SPRING DECK B 115 4 225 510 01 HOLDER DECK B 116 X 4952 465 1 HOLDER DECK B ASSY 117 4 225 522 01 SPRING DECK A 118 4 225 509 01 HOLDER DECK A 119 X 4952 464 1 HOLDER DECK A ASSY 120 4 959 229 11 DETENT CASSETTE 121 4 951 620 01 SCREW 2 6x8 BVTP 7 3 FRONT PANEL SECTION 2 Ref No Part No De...

Page 57: ...PLETE LX7 157 A 4428 229 A MAIN BOARD COMPLETE LX8 E AR 157 A 4428 743 A MAIN BOARD COMPLETE LX8 MX 157 A 4428 745 A MAIN BOARD COMPLETE LX8 AUS 157 A 4428 750 A MAIN BOARD COMPLETE LX8 EA SP MY 158 1 773 032 11 WIRE FLAT TYPE 15 CORE 159 A 4428 225 A PA BOARD COMPLETE LX7 159 A 4428 230 A PA BOARD COMPLETE LX8 E AR MX 159 A 4428 748 A PA BOARD COMPLETE LX8 EA SP MY AUS 160 3 703 244 00 BUSHING FB...

Page 58: ...ETE HP101 A 2056 683 B DECK A ASSY HEAD 230PWR1 HRPE101A 2056 684 B DECK B ASSY HEAD 230PWR1 401 3 376 464 11 SCREW PTT 2 6X6 GROUND POINT 402 3 911 116 42 RIVET PUSH 403 3 016 574 01 SPRING HEAD TENSION 404 X 3374 156 4 PINCH LEVER REV ASSY 405 X 3374 155 4 PINCH LEVER FWD ASSY 406 3 017 365 01 BASE PINCH LEVER FWD 401 402 402 403 403 404 404 405 405 406 406 407 408 408 407 HRPE101 HP101 409 Part...

Page 59: ...YWHEEL FWD ASSY 456 X 3374 076 1 FLYWHEEL REV ASSY 457 X 3374 157 1 PULLEY ASSY TENSION 458 3 024 405 01 BELT FR 459 A 2004 630 A MECHANICAL BLOCK ASSY 230PWR1 460 3 016 566 01 SLIDER REVERSE 461 A 2007 800 A LEAF SW BOARD COMPLETE 462 3 016 575 01 SPRING TORSION 463 3 019 208 01 WASHER STOPPER M1 A 2004 628 A MOTOR ASSY CAPSTAN 451 452 452 453 454 455 455 456 456 457 458 458 459 459 460 460 461 4...

Page 60: ... 4 989 491 01 COVER LENS M201 A 4660 977 A MOTOR ASSY TABLE 501 4 987 976 01 SCREW STEP 502 4 944 490 01 BELT TIMING 503 A 4660 978 A GEAR PULLEY ASSY 504 4 978 421 01 GEAR MID 505 4 978 425 01 ROLLER CAM 506 4 978 420 01 CAM HOLDER 507 1 452 925 21 MAGNET ASSY 508 4 978 417 01 TABLE DISC 509 4 993 142 03 PULLEY L PRESS 510 X 4947 960 1 ROLLER ASSY 511 4 978 583 01 BRACKET BU 512 4 978 418 01 CHAS...

Page 61: ...940 01 INSULATOR BU 605 4 917 565 01 SHAFT SLED 606 4 917 564 01 GEAR P FLATNESS 607 A 4724 486 A BD BOARD COMPLETE 608 4 951 620 01 SCREW 2 6X8 BVTP 609 3 713 786 51 SCREW P 2X3 M101 X 4917 523 3 MOTOR ASSY SPINDLE M102 X 4917 504 1 MOTOR ASSY SLED The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified M102 M101 601 602 603 6...

Page 62: ...C414 1 130 487 00 MYLAR 0 022uF 5 50V C415 1 126 233 11 ELECT 22uF 20 50V C431 1 137 427 11 MYLAR 120PF 5 00 50V C432 1 162 288 31 CERAMIC 330PF 10 50V C433 1 162 209 31 CERAMIC 27PF 5 00 50V C601 1 104 396 11 ELECT 10uF 20 00 16V C602 1 104 396 11 ELECT 10uF 20 00 16V C611 1 104 396 11 ELECT 10uF 20 00 16V C612 1 104 396 11 ELECT 10uF 20 00 16V C621 1 137 150 11 FILM 0 01uF 5 00 100V C622 1 126 9...

Page 63: ...F 25V C151 1 163 235 11 CERAMIC CHIP 22PF 5 00 50V C153 1 163 038 91 CERAMIC CHIP 0 1uF 25V C154 1 110 501 11 CERAMIC CHIP 0 33uF 10 00 16V C156 1 163 235 11 CERAMIC CHIP 22PF 5 00 50V C157 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C159 1 163 019 00 CERAMIC CHIP 0 0068uF 10 50V C161 1 126 206 11 ELECT CHIP 100uF 20 6 3V C162 1 126 205 11 ELECT CHIP 47uF 20 6 3V C163 1 126 206 11 ELECT CHIP 100uF 20...

Page 64: ...31 1 247 843 11 CARBON 3 3K 5 1 4W R732 1 249 425 11 CARBON 4 7K 5 1 4W F R733 1 249 427 11 CARBON 6 8K 5 1 4W F R734 1 249 429 11 CARBON 10K 5 1 4W R735 1 249 431 11 CARBON 15K 5 1 4W R736 1 249 434 11 CARBON 27K 5 1 4W R745 1 249 408 11 CARBON 180 5 1 4W F SWITCH S651 1 762 875 21 SWITCH KEYBOARD LOOP S652 1 762 875 21 SWITCH KEYBOARD NON STOP S653 1 762 875 21 SWITCH KEYBOARD EDIT S654 1 762 87...

Page 65: ...PC 17P DIODE D1001 8 719 991 33 DIODE 1SS133T 77 D1002 8 719 991 33 DIODE 1SS133T 77 CABLE HOLDER DM1001 1 784 581 11 HOLDER CABLE 2 5MM PITCH 4P IC IC1001 8 749 014 38 PHOTO INTERRUPTER SG 264 IC1002 8 749 014 38 PHOTO INTERRUPTER SG 264 TRANSISTOR Q1001 8 729 029 56 TRANSISTOR DTA144ESA TP RESISTOR R907 1 249 441 11 CARBON 100K 5 1 4W R1001 1 247 815 91 CARBON 220 5 1 4W R1002 1 247 815 91 CARBO...

Page 66: ...uF 20 00 50V C302 1 130 479 00 MYLAR 0 0047uF 5 50V C303 1 136 165 00 MYLAR 0 1uF 5 00 50V C304 1 136 165 00 MYLAR 0 1uF 5 00 50V C305 1 126 964 11 ELECT 10uF 20 00 50V C306 1 126 960 11 ELECT 1uF 20 00 50V C307 1 126 959 11 ELECT 0 47uF 20 00 50V C308 1 126 964 11 ELECT 10uF 20 00 50V C309 1 137 194 81 MYLAR 0 47uF 5 00 50V C310 1 163 005 11 CERAMIC CHIP 470PF 10 50V C311 1 126 964 11 ELECT 10uF ...

Page 67: ...LECT 10uF 20 00 50V C937 1 104 665 11 ELECT 100uF 20 00 10V C938 1 126 933 11 ELECT 100uF 20 00 16V C952 1 126 943 11 ELECT 2200uF 20 00 25V C953 1 126 964 11 ELECT 10uF 20 00 50V C954 1 126 964 11 ELECT 10uF 20 00 50V C955 1 126 924 11 ELECT 330uF 20 00 10V C961 1 163 038 91 CERAMIC CHIP 0 1uF 25V CONNECTOR CN303 1 784 776 11 CONNECTOR FFC 15P CN304 1 784 778 11 CONNECTOR FFC 17P CN411 1 784 780 ...

Page 68: ...513TP LK LX8 EA SP MY Q338 8 729 029 21 TRANSISTOR DTA114ESA TP LX8 EA SP MY Q339 8 729 029 66 TRANSISTOR DTC114ESA TP Q340 8 729 116 59 TRANSISTOR 2SB1068TP LX8 EA SP MY Q341 8 729 045 21 TRANSISTOR 2SD1513TP LK LX8 EA SP MY Q342 8 729 029 21 TRANSISTOR DTA114ESA TP LX8 EA SP MY Q343 8 729 029 66 TRANSISTOR DTC114ESA TP LX8 EA SP MY Q801 8 729 620 05 TRANSISTOR 2SC2603TP EF Q802 8 729 029 21 TRAN...

Page 69: ... SP MY R347 1 216 045 00 METAL CHIP 680 5 1 10W LX8 EA SP MY R348 1 216 045 00 METAL CHIP 680 5 1 10W LX8 EA SP MY R351 1 216 085 00 METAL CHIP 33K 5 1 10W R352 1 216 057 00 METAL CHIP 2 2K 5 1 10W R353 1 216 025 91 RES CHIP 100 5 1 10W R354 1 216 025 91 RES CHIP 100 5 1 10W R355 1 216 057 00 METAL CHIP 2 2K 5 1 10W R356 1 216 071 00 METAL CHIP 8 2K 5 1 10W R357 1 216 071 00 METAL CHIP 8 2K 5 1 10...

Page 70: ...047 91 RES CHIP 820 5 1 10W LX7 R604 1 216 049 91 RES CHIP 1K 5 1 10W LX8 R605 1 216 115 00 METAL CHIP 560K 5 1 10W R606 1 216 089 91 RES CHIP 47K 5 1 10W R607 1 216 049 91 RES CHIP 1K 5 1 10W R608 1 216 097 91 RES CHIP 100K 5 1 10W R609 1 216 033 00 METAL CHIP 220 5 1 10W R651 1 216 049 91 RES CHIP 1K 5 1 10W R652 1 216 049 91 RES CHIP 1K 5 1 10W R653 1 216 089 91 RES CHIP 47K 5 1 10W R654 1 216 ...

Page 71: ...3 1 249 417 11 CARBON 1K 5 1 4W F R854 1 249 437 11 CARBON 47K 5 1 4W R855 1 249 429 11 CARBON 10K 5 1 4W R856 1 247 891 00 CARBON 330K 5 1 4W R857 1 249 417 11 CARBON 1K 5 1 4W F R869 1 249 434 11 CARBON 27K 5 1 4W R870 1 247 903 00 CARBON 1M 5 1 4W R871 1 249 417 11 CARBON 1K 5 1 4W F R872 1 249 421 11 CARBON 2 2K 5 1 4W F R873 1 249 417 11 CARBON 1K 5 1 4W F R874 1 249 417 11 CARBON 1K 5 1 4W F...

Page 72: ...ODE 11ES2 NTA1B D843 8 719 200 82 DIODE 11ES2 NTA1B D844 8 719 200 82 DIODE 11ES2 NTA1B D851 8 719 991 33 DIODE 1SS133T 77 D852 8 719 110 49 DIODE MTZJ T 77 18A D853 8 719 991 33 DIODE 1SS133T 77 LX7 D902 8 719 210 21 DIODE 11EQS04 NTA1B LX7 D903 8 719 210 21 DIODE 11EQS04 NTA1B LX7 D904 8 719 210 21 DIODE 11EQS04 NTA1B LX7 D905 8 719 210 21 DIODE 11EQS04 NTA1B LX7 D906 8 719 991 33 DIODE 1SS133T ...

Page 73: ...249 435 11 CARBON 33K 5 1 4W R822 1 247 863 91 CARBON 22K 5 1 4W R823 1 247 863 91 CARBON 22K 5 1 4W 0R824 1 249 418 11 CARBON 1 2K 5 1 4W F R825 1 215 891 11 METAL OXIDE 680 5 2W R827 1 249 441 11 CARBON 100K 5 1 4W R828 1 247 903 00 CARBON 1M 5 1 4W R831 1 249 441 11 CARBON 100K 5 1 4W R832 1 249 441 11 CARBON 100K 5 1 4W R833 1 247 856 00 CARBON 11K 5 1 4W LX8 R833 1 247 858 11 CARBON 13K 5 1 4...

Page 74: ...19 058 04 DIODE SEL5223S TP15 REC D604 8 719 058 04 DIODE SEL5223S TP15 SYNC EQ D605 8 719 058 04 DIODE SEL5223S TP15 SYNC BASS D608 8 719 050 84 DIODE RB441Q 40T 77 D617 8 719 058 04 DIODE SEL5223S TP15 SURROUND FILTER FL601 1 517 940 11 INDICATOR TUBE FLUORESCENT IC IC601 8 759 653 43 IC TMP88CS76F 1A25 IC603 8 759 083 77 IC BA3830F COIL L601 1 410 517 11 INDUCTOR 47uH L602 1 410 517 11 INDUCTOR...

Page 75: ...H KEYBOARD REC S619 1 762 875 21 SWITCH KEYBOARD SLEEP S620 1 762 875 21 SWITCH KEYBOARD CLOCK SET S632 1 762 875 21 SWITCH KEYBOARD KARAOKE PON S635 1 762 875 21 SWITCH KEYBOARD SURROUND VIBRATOR X601 1 781 312 11 VIBRATOR CERAMIC 12 5MHz A 4428 168 A PANEL VR BOARD COMPLETE LX8 A 4428 198 A PANEL VR BOARD COMPLETE LX7 CAPACITOR C701 1 162 600 11 CERAMIC 0 0047uF 30 00 16V C702 1 162 301 11 CERAM...

Page 76: ...RES VAR CARBON 50K GUITAR LEVEL SWITCH S605 1 762 875 21 SWITCH KEYBOARD PTY LX7 S606 1 762 875 21 SWITCH KEYBOARD TUNING MODE S607 1 762 875 21 SWITCH KEYBOARD ST MONO S608 1 762 875 21 SWITCH KEYBOARD ENT NEXT S609 1 762 875 21 SWITCH KEYBOARD TUNER BAND S610 1 762 875 21 SWITCH KEYBOARD S611 1 762 875 21 SWITCH KEYBOARD S613 1 762 875 21 SWITCH KEYBOARD TUNER MEMORY S621 1 762 875 21 SWITCH KEY...

Page 77: ... 762 875 21 SWITCH KEYBOARD x S654 1 762 875 21 SWITCH KEYBOARD m S655 1 762 875 21 SWITCH KEYBOARD M S656 1 762 875 21 SWITCH KEYBOARD X S657 1 762 875 21 SWITCH KEYBOARD z REC S658 1 762 875 21 SWITCH KEYBOARD H SPEED DUB S659 1 762 875 21 SWITCH KEYBOARD CD SYNC 1 676 267 11 TRANS BOARD 1 533 233 21 HOLDER FUSE 7 685 64679 SCREW BVTP 3X8 TYPE2 N S CAPACITOR C834 1 130 777 00 MYLAR 0 1uF 10 00 1...

Page 78: ...5 11 TRANSFORMER POWER LX7 0T951 1 435 246 11 TRANSFORMER POWER LX8 HARDWARE LIST 1 7 685 871 01 SCREW BVTT 3X6 S 2 7 685 872 09 SCREW BVTT 3X8 S 3 7 685 646 79 SCREW BVTP 3X8 TYPE N S 4 7 685 881 09 SCREW BVTT 4X8 S 5 7 685 851 04 SCREW BVTT 2X4 S 8 7 685 650 79 SCREW BVTP 3X16 TYPE IT 3 10 7 628 254 50 SCREW PS 2 6X16 11 7 628 254 15 SCREW PS 2 6X6 ACCESSORIES PACKING MATERIALS 1 475 572 41 COMM...

Page 79: ...78 Sony Corporation Home Audio Division Company 9 929 077 11 2000C097570 1 Printed in Hungary 2000 3 Published by Quality Assurance Dept HCD LX7 LX8 ...

Page 80: ... is the speaker system in LBT LV80 LV100AV LX7 LX8 LX9AV LX10AV LX70 Speaker system 3 way BUILT IN SW magnetically shielded type Speaker units Super Woofer Woofer 20 cm dia cone type Tweeter 2 5 cm dia horn type Rated impedance 4 Ω LV80 LX8 LX8G 6 Ω LV100AV LX7 LX9AVG LV10AV LX10AVG Dimensions w h d Approx 290 615 435 mm Mass Approx 16 kg net per speaker Design and specifications are subject to ch...

Page 81: ...TAPPING 3 4 999 101 01 SCREW HEXAGON HOLE TAPPING 4 4 227 032 01 HORN TW 5 4 874 614 31 SCREW 4 3 5X12 TAPPING 6 4 227 036 01 BRACKET 7 4 226 967 01 PACKING TW 8 4 942 029 01 PACKING 9 A 4412 012 A CABINET ASSY SPEAKER 10 7 685 148 19 SCREW BVTP 4X10 TYPE2 N S 11 4 227 040 01 PACKING BOTTOM 12 4 227 039 01 PACKING TOP 13 1 537 332 11 TERMINAL BOARD SP1 1 529 607 11 SPEAKER 2 5cm SP2 1 529 608 11 S...

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