Sharp VL-AH150 Service Manual

1VL-AH150UVL-AH160UPage1. IMPORTANT SERVICE NOTES...

VL-AH150UVL-AH160U10<8. Removal of the Lithium PWB>(1) Remove the connector of the speaker from the Main PWB.(b)<7. Removal of the speaker co

11VL-AH150UVL-AH160U<11. Disassembly of the LCD panel>(2)Claw (A)(1)Light guide plateReflection sheetLugsLugs(3)(C)(4)(2)Claw (B)Disengage the c

VL-AH150UVL-AH160U124-3-2. REMOVAL OF CCD1) Unsolder the CCD sensor leads from the sensor PWB.2) Take out the sensor PWB.3) Remove the two screws (6),

13VL-AH150UVL-AH160U5. MECHANISM ADJUSTMENT5-1. MECHANISM CHECKING/ADJUSTING JIGS, TOOLS AND PARTS5-1-1. Mechanism checking/adjusting jigs and tools&

14VL-AH150UVL-AH160U5-2. ITEMS AND TIMINGS OF INSPECTION AND MAINTENANCEThe mechanism of VCR needs the following periodic inspection and maintenance

15VL-AH150UVL-AH160U5-3. MECHANISM CHECKS AND ADJUSTMENTSThe description given below relates to the general field services, but does not relate to th

16VL-AH150UVL-AH160U5-3-4. Checking and adjusting the tension pole position(1) CheckWhen winding of P6-120 tape is started, check whether the tension

17VL-AH150UVL-AH160U5-4. ADJUSTMENT OF MECHANISM TAPE TRAVEL SYSTEM5-4-1. Preparation for adjustmentTape travel system (Figure 1)DrumReelTension pole

18VL-AH150UVL-AH160U5-4-4. Adjusting the Tu guideAfter replacement of Tu guide preset and adjust the height.(1) Tu guide height presetting (Figure 6)

19VL-AH150UVL-AH160U5-5. MECHANISM ASSEMBLING AND PARTS REPLACEMENT(DISASSEMBLING AND ASSEMBLING)Below is given an explanation of assembling of mecha

VL-AH150UVL-AH160U21. IMPORTANT SERVICE NOTES1. NOTES DE SERVICE IMPORTANTESBEFORE RETURNING THE VIDEO CAMERARECORDERBefore returning the video camera

20VL-AH150UVL-AH160U5-5-2. Cassette control ass’y<Disassembling>(1) Set the unit to the EJECT mode, and let the housing stand upright. Or set th

21VL-AH150UVL-AH160U5-5-5. Phase matchingThe phase of the following parts must be matched asshown in the figure right.(Ascertain that the marks

22VL-AH150UVL-AH160U(4) Install the loading block assembly and the capstan motor.(5) Install the drive gear. At this time, pay attention to thedirecti

23VL-AH150UVL-AH160U(8) Install the drum assembly in the chassis.(9) Install the tape guide in the drum assembly.(10) Install the Si roller.(11) Insta

24VL-AH150UVL-AH160U6. ADJUSTMENT OF VCR AND CAMERA6-1. INITIAL SETTING OF E2PROM IC6-1-1. E2PROM data alterable ways1) Set the switch of main body t

25VL-AH150UVL-AH160U< Adjusting the video/LCD section >• Measuring instruments:*Color monitor TV set *Oscilloscope *DC cable (AC adapter accesso

26VL-AH150UVL-AH160U6-3-2-2. Setting up the VCR section adjustment mode (camera section adjustment)• Select adjustment items by using addresses. Rewr

27VL-AH150UVL-AH160U6-3-2-3. Battery shut-off voltage adjusting method1) Supply power to the main unit, using the variable-voltage DC power supply (r

28VL-AH150UVL-AH160U6-3-3. Adjusting the VCR circuit• Test Points on the Video Circuit Boarda) POWER CIRCUIT ADJUSTMENT PROCEDURE6-3-3-1. Adjustin

29VL-AH150UVL-AH160UFigure 6.1.1Figure 6.1.2Mode PlaybackAdjustment address 30hTape Alignment tape (JiGWR5-5NSP)OscilloscopeMeasuring instrument6-3-4.

3VL-AH150UVL-AH160UWARNING :TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSETHIS APPLIANCE TO WET LOCATIONS.CAUTION: TO REDUCE THE RISK OF

30VL-AH150UVL-AH160U6-3-6. Adjustment of audio circuit1. Adjustment of filter f0Measuring instrument OscilloscopeMode PBInput signal (tape) JiGWR5-5NS

31VL-AH150UVL-AH160U5. VCO adjustmentMeasuring point TL3802Address 03EMode VCRAdjusting method 1) Connect TL3803 to GND.2)Connect the frequency counte

32VL-AH150UVL-AH160U6-4. ADJUSTMENT OF CAMERA SECTION6-4-1. Servicing of camera section(1) Object, measuring instrument and jigs necessary for camera

33VL-AH150UVL-AH160U6-4-2-1. Checking the power supply voltage• Measuring terminal:P-CON 4.9VP-CON 3.1VCAM 15VCAM -8VLENS 5.7V• Measuring instrument:

34VL-AH150UVL-AH160UMeasuring instrument Vector scopeSubject Gray scaleTape —Test point VIDEO OUT (Terminated in 75 Ω)Adjustment address R-W/B 00, B-W

35VL-AH150UVL-AH160UûûûûûûûûûûûûûûNo function at allYESûNo tape ejectionYESûYESNo LCD light-upCheck the inverter transformer and power circuit.ûYESNo

36VL-AH150UVL-AH160Uû6-5-2. Troubleshooting for the camera sectionNo pictureCheck the lens drive circuit (IC551) and main signalline.YESûûNo colorYESC

37VL-AH150UVL-AH160U* On this model, all the circuits of the VCR and camera sections are controlled by IC706.1) IC401 are controlled with the serial d

38VL-AH150UVL-AH160U7-1. VIDEO SIGNAL BLOCK DIAGRAMIC707OSD15271391058121811 12 18 16 17127128129130131132356979 8194101103107115117124IC401CAMY/CATFL

39VL-AH150UVL-AH160UADD 43, 44, 45, 46Signal waveformADD 3F, 40, 41, 42 (A) TL319 (B) TL31925 AV REC-HPBRECSC305SC305 Q307SC305SC305SC305IC 301HEAD

VL-AH150UVL-AH160U4 The RBRCTM Seal SHARP participates in the RBRCTM* Nickel-Cadmiu

40VL-AH150UVL-AH160U7-3. POWER SYSTEM BLOCK DIAGRAMPower control IC (8CH)CH1 ERROR AMP.IN- Comparator sectionCH2 ERROR AMP.IN- Comparator sectionCH1 o

41VL-AH150UVL-AH160U7-4. MAIN BATTERY CIRCUIT SECTION BLOCK DIAGRAMDC JACK inputVoltage detective circuitVDC<8Vwith JACK : OPENwith out JACK : GND

42VL-AH150UVL-AH160U7-5. LENS DRIVE BLOCK DIAGRAMIC1CCD SENSER4249IC401DSP4148IC706DATASYSCON16021 22 20 19212 34617 18543IC102 D/A4.9V(PHIRF)(HALL OF

43VL-AH150UVL-AH160U- M E M O -

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ44~458. SCHEMATIC DIAGRAMS 8-1. OVERALL SCHEMATIC DIAGRAMRUNTZ0404TAZZ(VL-AH160U)

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ46~478-2. AD_CONVERTER SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ8-3. ZOOM SCHEMATIC DIAGRAM48~49

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ50~518-4. DSP SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ52~538-5. AUDIO SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ54~558-6. SYSCON SCHEMATIC DIAGRAM

5VL-AH150UVL-AH160USignal System: NTSC standardRecording System: 2 rotary heads, helical scanning systemCassette: 8 mm video tape, MP type or Hi8 MP,

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ56~578-7. LCD_INT SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ58~598-8. LCD_CTL SCHEMATIC DIAGRAM(VL-AH150U)

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ60~618-9. LCD_CTL SCHEMATIC DIAGRAM(VL-AH160U)

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ62~638-10. POWER SCHEMATIC DIAGRAMå AND SHADED COMPONENTS=SAFETY RELATED PARTSå

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ8-11. I/O SCHEMATIC DIAGRAM64~65

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ66~678-12. SYSDAC SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ68~69å AND SHADED COMPONENTS=SAFETY RELATED PARTS8-13. CHARGE SCHEMATIC DIAGRAMåå

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ70~718-14. RF SCHEMATIC DIAGRAMaa

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ72~738-15. TG SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ74~758-16. CDS SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U63. PART NAMES AND FUNCTIONFor details on the use of each control.

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ76~778-17. LDRV SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ78~798-18. HEAD AMP SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ80~818-19. MOTOR DRIVER SCHEMATIC DIAGRAM

VL-AH150UVL-AH160U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ82~838-20. CCD SCHEMATIC DIAGRAM

VL-AH150UVL-AH160UABCDEFGHIJ1234567891084R1802L1800C1802L1801R1805C1803C1804C1813C1800R1811C1805R1806 R1808R1809C1807C1801R1803R1807D1802R1812R1815C18

VL-AH150UVL-AH160UABCDEFGHIJ1234567891085VCR PWB Wiring Side SIDE A

VL-AH150UVL-AH160UABCDEFGHIJ1234567891086VCR PWB Component Side SIDE BTL701X1703CN702TL702TL703CN701Q407R434TL2715TL2713TL2714TL2711TL2710R429TL2709

VL-AH150UVL-AH160UABCDEFGHIJ1234567891087VCR PWB Wiring Side SIDE B

VL-AH150UVL-AH160UABCDEFGHIJ1234567891088SC101R17R18C19TL107TL103TL105TL104R23TL109TL108TL106C22FB107FB106FB104FB103FB102C23R25FB101R110R109R29L11FB10

VL-AH150UVL-AH160UABCDEFGHIJ1234567891089CAMERA PWB Wiring Side SIDE A

7VL-AH150UVL-AH160U4. DISASSEMBLY OF THE SET4-1. REMOVAL OF THE CAMERA SECTIONNote:Before removing the cabinet, turn off the power supply, and ascert

VL-AH150UVL-AH160UABCDEFGHIJ1234567891090CAMERA PWB Component Side SIDE BTL145TL146TL144R117R116R118C560Z2C114C116R150R100C115IC102C119C120C118C16C1

VL-AH150UVL-AH160UABCDEFGHIJ1234567891091CAMERA PWB Wiring Side SIDE B

VL-AH150UVL-AH160UABCDEFGHIJ1234567891092HEAD AMP PWB Component Side SIDE ACN3703R390R342C344R340R343L341L342Q341C341C342C345Q342C340R344C349Q343R34

VL-AH150UVL-AH160UABCDEFGHIJ1234567891093HEAD AMP PWB Wiring Side SIDE A

VL-AH150UVL-AH160UABCDEFGHIJ1234567891094HEAD AMP PWB Wiring Side SIDE B

95Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160URef. No. Part No. ★ Description CodePRINTED WIRING BOARD A

96Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UD905 VHDDA227///-1 DA227 ABD906 VHDF02J9///-1 F02J9 ADD913

97Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UL3801 VPD9M220J2R7N Peaking, 22µHAC(AH150U/UC)L3802 VPD9M1

98Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UC713 VCCCCZ1HH180J 18p 50V Ceramic ABC714 VCKYCZ1HF103Z 0.

99Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UR418 VRS-CZ1JF151J 150 1/16W Metal Oxide AAR420 VRS-CZ1JF1

VL-AH150UVL-AH160U84-2. DISASSEMBLY OF THE VCR MAIN BODY(1) Slide the “VCR lid knob” in the arrow direction, and slide theVCR lid in the arrow directi

100Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UR911 VRS-CZ1JF333J 33k 1/16W Metal Oxide AAR912 VRS-CZ1JF

101Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UR1910 VRS-CZ1JF363J 36k 1/16W Metal Oxide AAR1911 VRS-CZ1

102Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UR3839 VRS-CZ1JF183J 18k 1/16W Metal Oxide AAR3840 VRS-CZ1

103Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UQ13 VS2SC5383F/-1 2SC5383F ABQ14 VS2SC5383F/-1 2SC5383F A

104Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UC318 VCKYCY1EB103K 0.01 25V Ceramic AAC319 VCKYCZ1CB103K

105Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UMECHANISM PARTS300 LCHSM0163GEZZ Main Chassis Ass'y

106Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160U204 LX-HZ3074GEFN Screw M1.7x5.3 S Tight AA206 LX-BZ3132G

107Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160USUPPLIED ACCESSORIESACCESSORIESGCOVH1225TASA Lens Cap AGQ

108Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UMECHANISM CHASSIS EXPLODED VIEWABCDEFGH123456362354356203

109Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UABCDEFGH12345633-23-3aabc26272829474-233303146bddcbb5559c

9VL-AH150UVL-AH160U<3. Removal of the VCR lid>Frame VMicrophone wire spacerMicrophone connectorCaution for installation of the VCR lid<Detail

110Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160UCASSETTE HOUSING CONTROL UNIT EXPLODED VIEWABC123456ABCD

111Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160U11. PACKING OF THE SET★ Not Replacement Item✳ For Detail,

112Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeVL-AH150UVL-AH160USHARP CORPORATIONAV Systems GroupQuality & Reliabilit