Sharp VL-A10U Service Manual

VL-E990E1VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TPage1. IMPORTANT SERVICE NOTES ...

VL-E990EVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T10<8. Removal of the Lithium PWB>(1) Remove the connector of the speaker from the Main PWB.(b)<7. Re

VL-E990E11VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T<11. Disassembly of the LCD panel>(2)Claw (A)Claw (A)(1)Light guide plateReflection sheetLugsLugs(3)(

VL-E990EVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T124-3-2. REMOVAL OF CCD1) Unsolder the CCD sensor leads from the sensor PWB.2) Take out the sensor PWB.3) Rem

13VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T5. MECHANISM ADJUSTMENT5-1. MECHANISM CHECKING/ADJUSTING JIGS, TOOLS AND PARTS5-1-1. Mechanism checking/adjusting

VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T145-2. ITEMS AND TIMINGS OF INSPECTION AND MAINTENANCEThe mechanism of VCR needs the following periodic inspection a

15VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T5-3. MECHANISM CHECKS AND ADJUSTMENTSThe description given below relates to the general field services, but does n

VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T165-3-4. Checking and adjusting the tension pole position(1) CheckWhen winding of P6-120 tape is started, check wheth

17VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T5-4. ADJUSTMENT OF MECHANISM TAPE TRAVEL SYSTEM5-4-1. Preparation for adjustmentTape travel system (Figure 1)DrumR

VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T185-4-4. Adjusting the Tu guideAfter replacement of Tu guide preset and adjust the height.(1) Tu guide height preset

19VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T5-5. MECHANISM ASSEMBLING AND PARTS REPLACEMENT(DISASSEMBLING AND ASSEMBLING)Below is given an explanation of asse

VL-E990EVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T21. IMPORTANT SERVICE NOTES1. NOTES DE SERVICE IMPORTANTESBEFORE RETURNING THE VIDEO CAMERARECORDERBefore ret

VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T205-5-2. Cassette control ass’y<Disassembling>(1) Set the unit to the EJECT mode, and let the housing stand upr

21VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T(3) Upper drum ass’y(Both common type)Remove the upper drumass’y from the lower drumass'y as shown in Figure 3

VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T22(3) Lower drum ass'yTighten the FPC mounting screw to the lower drum ass'y. The screwtightening torque mu

23VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T(4) Install the loading block assembly and the capstan motor.(5) Install the drive gear. At this time, pay attentio

VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T24(8) Install the drum assembly in the chassis.(9) Install the tape guide in the drum assembly.(10) Install the Si ro

25VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T6. ADJUSTMENT OF VCR AND CAMERA6-1. INITIAL SETTING OF E2PROM IC6-1-1. E2PROM data alterable ways1) Set the switch

26VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T< Adjusting the video/LCD section >• Measuring instruments:*Color monitor TV set *Oscilloscope *DC cable (AC

27VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T6-3-2-2. Setting up the VCR section adjustment mode (camera section adjustment)• Select adjustment items by using

28VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T6-3-2-3. Battery shut-off voltage adjusting method1) Supply power to the main unit, using the variable-voltage DC

29VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T6-3-3. Adjusting the VCR circuit• Test Points on the Video Circuit Boarda) POWER CIRCUIT ADJUSTMENT PROCEDURE6-3

VL-E990E3VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TWARNING :TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSETHIS APPLIANCE TO WET LOCATIONS.CAUTION:

30VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TFigure 6.1.1Figure 6.1.2Mode PlaybackAdjustment address 30hTape Alignment tape (JiGWR5-5NSP)OscilloscopeMeasuring i

31VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T6-3-6. Adjustment of audio circuit1. Adjustment of filter f0Measuring instrument OscilloscopeMode PBInput signal (t

32VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T5. VCO adjustmentMeasuring point TL3802Address 03EMode VCRAdjusting method 1) Connect TL3803 to GND.2) Connect the

33VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T6-4. ADJUSTMENT OF CAMERA SECTION6-4-1. Servicing of camera section(1) Object, measuring instrument and jigs necess

34VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T6-4-2-1. Checking the power supply voltage• Measuring terminal:P-CON 4.9VP-CON 3.1VCAM 15VCAM -8VLENS 5.7V• Measur

35VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TMeasuring instrument Vector scopeSubject Gray scaleTape —Test point VIDEO OUT (Terminated in 75 Ω)Adjustment addres

36VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TûûûûûûûûûûûûûûNo function at allYESûNo tape ejectionYESûYESNo LCD light-upCheck the inverter transformer and power

37VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/Tû6-5-2. Troubleshooting for the camera sectionNo pictureCheck the lens drive circuit (IC551) and main signalline.YE

VL-H875TVL-H890T38VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T7. SYSTEM BLOCK DIAGRAMS* On this model, all the circuits of the VCR and camera sections are contro

VL-H875TVL-H890T39VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T7-1. VIDEO SIGNAL BLOCK DIAGRAMIC707OSD15271391058121811 12 18 16 17127128129130131132356979819410

VL-E990EVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T4 The RBRCTM Seal SHARP participates in th

VL-H875TVL-H890T40VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TADD 43, 44, 45, 46Signal waveformADD 3F, 40, 41, 42 (A) TL319 (B) TL31925 AV REC-HPBRECSC305SC305

VL-H875TVL-H890T41VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T7-3. POWER SYSTEM BLOCK DIAGRAMPower control IC (8CH)CH1 ERROR AMP.IN- Comparator sectionCH2 ERROR

VL-H875TVL-H890T42VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T7-4. MAIN BATTERY CIRCUIT SECTION BLOCK DIAGRAMDC JACK inputVoltage detective circuitVDC<8Vwith

VL-H875TVL-H890T43VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T7-5. LENS DRIVE BLOCK DIAGRAMIC1CCD SENSER4249IC401DSP4148IC706DATASYSCON16021 22 20 19212 34617 1

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T44~45(VL-A10U/UC/UA/UW/K/AH30U/UC)(VL-A10T/AH30T)RUNTK0369TAZZRUNTZ

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T46~478-2. ADC SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T48~498-3. DSP SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T50~518-4. AUDIO SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TIC706RH-iX0759TAZZQ (A10U/AH30U)RH-iX0756TAZZQ (A10T/AH30T)IC707RH-

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T54~558-6. LCD_INT SCHEMATIC DIAGRAM

VL-E990E5VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TSignal System: NTSC standardRecording System: 2 rotary heads, helical scanning systemCassette: 8 mm video ta

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T8-7. LCD_CTL SCHEMATIC DIAGRAM56~57

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TåDSP58~598-8. POWER SCHEMATIC DIAGRAMå AND SHADED COMPONENTS=SAFET

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T60~618-9. I/O SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T62~638-10. SYSDAC SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/Tååå64~658-11. CHARGE SCHEMATIC DIAGRAMå AND SHADED COMPONENTS=SA

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T66~678-12. RF SCHEMATIC DIAGRAM(VL-A10U)

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T68~698-13. RF SCHEMATIC DIAGRAM(VL-AH30U)

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T70~718-14. TG SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T470P72~738-15. CDS SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T74~758-16. LDRV SCHEMATIC DIAGRAM

VL-E990EVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T63. PART NAMES AND FUNCTIONFront viewWhen the cassette compartment door is openTerminal coverMicrophoneZoom l

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T76~778-17. HEAD AMP SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T78~798-18. MOTOR DRIVER SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T80~818-19. CCD SCHEMATIC DIAGRAM

82ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T9. SEMICONDUCTOR LEAD IDENTIFICATIONCBE123BCE1234562SA1577R2SA1774F2SB129562SC4617B2SC4738Y2SD

83ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TACMA729MA2S111F1J2HHVU350BHVU359TRF02J9EX0161TAEX0210TAEX0870CEHVU362KV1812KFS1J2EIX0616TA6444

84ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T10. PRINTED WIRING BOARD ASSEMBLIES VCR PWB Component Side SIDE AR1802L1800C1802L1801R1805

85ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TVCR PWB Wiring Side SIDE A

86ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TVCR PWB Component Side SIDE BTL701X1703CN702TL702TL703CN701Q407R434TL2715TL2713TL2714TL2711T

87ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TVCR PWB Wiring Side SIDE B

88ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TCAMERA PWB Component Side SIDE ASC101R17R18C19TL107TL103TL105TL104R23TL109TL108TL106C22FB107

VL-E990E7VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T4. DISASSEMBLY OF THE SET4-1. REMOVAL OF THE CAMERA SECTIONNote:Before removing the cabinet, turn off the po

89ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TCAMERA PWB Wiring Side SIDE A

90ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TCAMERA PWB Component Side SIDE BTL145TL146TL144R117R116R118C560Z2C114C116R150R100C115IC102C1

91ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TCAMERA PWB Wiring Side SIDE B

92ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/THEAD AMP PWB Component Side SIDE ACN3703R390R342C344R340R343L341L342Q341C341C342C345Q342C340

93ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/THEAD AMP PWB Wiring Side SIDE A

94ABCDEFGHIJ12345678910VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/THEAD AMP PWB Wiring Side SIDE B

95VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T11.REPLACEMENT PARTS LIST/EXPLODED

96VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TD702 RH-DX0182TAZZ DX0182TA ADD703

97VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TL931 RCiLP0343TAZZ Coil, 10µHADL140

98VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TC715 VCKYCZ1HB102K 1000p 50V Cerami

VL-E990EVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T84-2. DISASSEMBLY OF THE VCR MAIN BODY(1) Slide the “VCR lid knob” in the arrow direction, and slide theVCR l

99VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TR189 VRS-CZ1JF102J 1k 1/16W Metal O

100VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TR788 VRS-CZ1JF102J 1k 1/16W Metal

101VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TR1458 VRS-CZ1JF103J 10k 1/16W Meta

102VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TR3801 VRS-CZ1JF473J 47k 1/16W Meta

103VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TR8462 VRS-CZ1JF183J 18k 1/16W Meta

104VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TFB102 RBLN-0056TAZZ Balun, BLN-005

105VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TC3705 VCKYCZ1HB102K 1000p 50V Cera

106VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TMECHANISM PARTS300 LCHSM0163GEZZ M

107VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T5 DFTAC1304LM01 VCR Lid Service(A1

108VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TSUPPLIED ACCESSORIESACCESSORIESGCO

VL-E990E9VL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T<3. Removal of the VCR lid>Frame VMicrophone wire spacerMicrophone connectorCaution for installation o

109VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TPACKING PARTS(NOT REPLACEMENT ITEM

110VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TABCDEFGH123456MECHANISM CHASSIS EX

111VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TABCDEFGH123456CABINET EXPLODED VIE

112VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TCASSETTE HOUSING CONTROL UNIT EXP

113VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T12. PACKING OF THE SET★ Not Replac

114VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T- M E M O -

115VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/T- M E M O -

116VL-E990ERef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-A10U/UC/UA/UW/T/KVL-AH30U/UC/TSHARP CORPORATIONAV Systems GroupQ