Sharp DV-L70BL Service Manual Download Page 16

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DV-L70S

DV-L70BL

DV-L70W

OUBLESHOO

TING

Flow Chart NO.2

Flow Chart NO.3

3.2V and 4.95V are not output to the pins 2 - 3

and pins 6 - 8 of connector CN9002, respectively.

YES

The power is not turned on.

Check the DC jack and fuse F9001.

Is almost the same voltage as the input voltage being

applied to the source pins 1 - 3 of FET-TrQ9006?

YES

Check the IC9001 and FET-TrQ9004.

Is the pulse being applied to the gate pin 4 of

FET-TrQ9006? Or, is the voltage 1.5V or less?

Check the FET-TrQ9003, D9003 and L9003.

YES

Check the switch SW9001.

Is the voltage of gate pin 4 of FET-TrQ9006 1.5V

or less?

YES

Check the FET-TrQ9006.

Is almost the same voltage as the input voltage

being output to the drain pins 5 - 8 of Q9006?

YES

Are the connector CN9002 and FFC wire normal?

Is the "H" voltage being applied to the pin 1 of

connector CN9002?

YES

Check the IC9001 and FET-TrQ9002.

Is the pulse being applied to the gate pin 4 of

FET-TrQ9001? Or, is the voltage 1.5V or less?

Check the IC3200 and IC3205 on the main PWB.

(Power-H line.)

Check the IC9001, Q9005, D9004 and D9005.

4.95V is not being output.

Check the fuse F9002.

Is almost the same voltage as the input voltage being

applied to the source pins 1 - 3 of FET-TrQ9001?

YES

3.2V is not being output.

Is the control voltage normally into the pins 95

and 96 of IC504? (95pin-key1, 96pin-key2)

Replace key switch.

Is key switch contact and installation state?

YES

Check the peripheral circuit or replace IC504.

YES

Check the FET-TrQ9001, D9002 and L9002.

Key manipulation on the DVD function side doesn't function.

FLOW CHART NO.1

FLOW CHART NO.2

FLOW CHART NO.3

FLOW CHART NO.4

The key matrix circuit of IC3200 is checked.

30~27pins(S0~S3), 26, 25,20pins(K0~K3), D3102,

D3103~3108

Replace key switch.

Is key switch contact and installation state?

YES

Check the main PWB unit of IC3200 and IC3205.

Key manipulation on the LCD function side doesn't function.

FLOW CHART NO.5

When S1001 is pressed, are the pins 1 and 2

short-circuited?

YES

Is the tray lid open?

Replace the S1001.

Check the M_4.8V line.

The disc does not rotate.

FLOW CHART NO.7

Is 4.8V voltage supplied to the pin 2 terminal of

remote control receiver?

Replace the remote control receiver or replace the

remote control transmitter is necessary.

Operation is possible from the DVD, but no

operation is possible from the infrared remote

control.

YES

Is the "L" pulse sent out pin 3 terminal of receiver

when the infrared remote control is activated?

YES

Check 5V line. (IC3205)

Replace the remote control receiver.

YES

Is pulse signal supplied to the pin 32 of IC504

and the pin 40 of IC3200?

Check the line between the remote control receiver

and the pin 32 of IC504 and the pin 40 of IC3200.

YES

Check IC504, IC3200, IC3205 and their periphery.

Does the pickup move in the direction of inner

periphery?

YES

After moving in the direction of inner periphery,

does the pickup move in the direction of outer

periphery?

YES

Check the connection between pins 2 or 4 of S1001

and pins 27 of IC504.

Check the cable connecting to the CN302.

(Check the CN302 and line of pins 2 and 3 of IC702.)

YES

Is 4.8V being applied to the pins 16 and 17 of

IC701?

Check the cable connecting to the CN702.

(Check the line of pins 1 and 2 of CN702.)

YES

Check IC701 their periphery.

No operation is possible from the infrared remote control.

FLOW CHART NO.6

Summary of Contents for DV-L70BL

Page 1: ... 11 WIRING DIAGRAM 53 12 BLOCK DIAGRAMS 54 13 SCHEMATIC DIAGRAMS 62 14 PRINTED WIRING BOARD ASSEMBLIES 74 15 REPLACEMENT PARTS LIST 79 16 PACKING OF THE SET 92 CONTENTS SHARP CORPORATION In the interests of user safety Required by safety regula tions in some countries the set should be restored to its original condition and only parts identical to those specified be used MODELS SERVICE MANUAL PORT...

Page 2: ...DV L70S DV L70BL DV L70W 2 1 IMPORTANT SAFEGUARDS AND PRECAUTIONS ...

Page 3: ...as At the end of their useful life the Nickel Cadmium battery can be dropped off at the nearest collection center for recycling For information on the nearest collection center call 1 800 8 BATTERY or your local recycling center If you are located outside the United States contact your local authorities for information concerning proper disposal and or recycling of this battery SHARP s involvement...

Page 4: ... big screen viewing Output only is supported for S video An S video signal cannot be input to your DVD player 1 Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories Confidential Unpulished Works C 1992 1997 Dolby Laboratories Inc All rights reserved 2 DTS and DTS Digital Surround are trademarks of Digital Theater Systems In...

Page 5: ...city DVD Operation 30VA Charging 110V 30VA Rated Output DVD Operation 9V DC Charging 9V DC Dimensions 58 W 104 D 275 H mm 219 64 47 64 1053 64 Weight 170g 0 38 lbs Battery Pack Specifications Type Lithium ion type DC output 7 4V Capacity 4200mAh Operating temperature 0 C to 40 C 32 F to 104 F charging 10 C to 30 C 50 F to 86 F Max Dimensions 184 W 134 5 D 14 5 H mm 71 4 519 64 37 64 without protru...

Page 6: ...DV L70S DV L70BL DV L70W 6 For details on the use of each control 4 PART NAMES ...

Page 7: ...ad connector 5 8 Remove the screws 6 fixing the DC jack PWB 9 Remove the four LCD rubber caps 7 10 Remove the four screws 8 Note Be careful not to forget to put space washers when assembling because they are tightened with the above screws 11 Remove the cabinet D At this time remove engagement claws two on the upper LCD panel two on the right and left sides two on the lower LCD panel Note Do not b...

Page 8: ...Input Signal Setting Monoscope full screen Adjustment Method Adjust the screen so that it is located in the center Adjustment VR R1104 Adjustment Point Observe the 3PIN of TP1191 with a frequency counter Input Signal Setting No input external input mode Adjustment Method Adjust it so as to get the HSY frequency of 15 625 0 01KHz 64 0µS HSY 15 625KHz 64 0µS 6 2 ADJUSTMENT PROCEDURE AND METHOD OF LC...

Page 9: ...UP DOWN key is pushed at the same time and made power source on 2 It moves to the special mode SP MODE and a BACKLIGHT HI LOW OFF key is pushed and turned off 3 After setting is completed a power source is turned off 4 Again a UP DOWN key is pushed at the same time and a power source is turned on and made special mode 5 An INPUT DVD key is pushed and it becomes adjustment mode 6 Each operation in ...

Page 10: ... WB B Adjustment Point Dual the oscilloscope to 3PIN VG and 5PIN VB and GND of TP1901 Input Signal Setting Black and white 10STEP Adjustment Method Adjust the white balance blue so that peak peak the equal of green and blue output become equal Adjustment VR SCOL Adjustment Point Connect the oscilloscope to 5PIN VB and GND of TP1901 Input Signal Setting 100 color bar Adjustment Method Adjust the bl...

Page 11: ...r tilt the panel as shown in the figure and check by shaking your head and seeing whether stripes appear If the adjustment is improper you will see stripes in the longitudinal direction Perform the adjustment so that they do not appear Type drawing Optimal point Adjust within the above range to fix the optimal point Direction of stripe Adjustment VR OSDH Adjustment Point Visual observation Adjustm...

Page 12: ... center Adjustment VR GPOS Adjustment Point Comparison with the standard set Input Signal Setting 10STEP signal Check and Check whether the luminance and gradation of 10STEP signal are not different in comparison with the standard set If they are different adjust them so as to get equal to the standard set 3 Luminance gradation check 4 Depth check Adjustment VR S depth Adjustment Point Comparison ...

Page 13: ...e 2 key of the remote controller is pushed The 1 key of the remote controller is pushed Test mode initial image plane F0000000 00000000 The playback key of the remote controller is pushed The playback key of the remote controller is pushed The playback key of the remote controller is pushed The reactivation key of the remote controller is pushed The playback key of the remote controller is pushed ...

Page 14: ... key of the remote controller is pushed The playback key of the remote controller is pushed The playback key of the remote controller is pushed It is returned to the cause in power source off How to distinguish a difference in the DVD laser and the CD laser DVD laser is lighter in comparison with the CD laser Note Not to face the light of the laser squarely caution From 1 To 2 Mecah test mode disp...

Page 15: ... F1000005 The playback key of the remote controller is pushed Track balance value display F1000006 The playback key of the remote controller is pushed 0 layer focus gain value display F1000007 The playback key of the remote controller is pushed 1 layer focus gain value display F1000008 The playback key of the remote controller is pushed Track gaine value display F1000009 The playback key of the re...

Page 16: ...T NO 1 FLOW CHART NO 2 FLOW CHART NO 3 FLOW CHART NO 4 NO The key matrix circuit of IC3200 is checked 30 27pins S0 S3 26 25 20pins K0 K3 D3102 D3103 3108 Replace key switch Is key switch contact and installation state YES YES Check the main PWB unit of IC3200 and IC3205 Key manipulation on the LCD function side doesn t function FLOW CHART NO 5 When S1001 is pressed are the pins 1 and 2 short circu...

Page 17: ...en S502 is pressed is the base of Q309 0 8V NO NO NO Is the voltage of 3 4V being applied to the emitter of Q308 NO Is the drive signal LDO2 of Q308 LD POWER CTL being output to the pin 4 of IC303 When S502 is pressed is the base of Q309 0 8V YES The CD disc is not recognized When the laser beam does not go on FLOW CHART NO 11 The DVD disc is not recognized When the laser beam does not go on FLOW ...

Page 18: ... IC1101 normal YES The outside output terminal J6002 peripheral is checked from pins 12 and 8 of IC2102 The VIDEO DRIVER circuit composed of Q2201 Q2206 is examined Picture do not operate normally FLOW CHART NO 14 Does 7 pin of IC1801 gain the control voltage about 3 1V of TINT YES YES NO Is the outside horizontal synchronizing of 34 pin of IC1801 normal NO NO Is the 14 16 pin of IC1801 doing osci...

Page 19: ... being inputted to 36 pin of IC1801 Is a synchronizing signal being outputted to 3 pin of IC1900 NO Check the betweenthe emmiter and pin 36 of IC1801 Check the pins 38 44 43 of IC1101 and pins L1109 D1105 IC1102 Q1101 etc Check the peripheral circuit pins 71 70 of IC1101 C1122 and R1103 image plane center position Is the horizontal position of the picture image normal YES The readjustment of R1103...

Page 20: ...ply for Digital circuit 23 Reset I Reset signal active LOW 24 PAL NTSC I NTSC PAL select This pin active only Reset time NTSC Low PAL High 25 32 DVIN7 0 I 8 bit Multiplexd Y Cr Cb 4 2 2 data ITU Rec656 input 1 or Multiplexd Y data ITU Rec656 601 input in 16 bit input mode DVIN7 MSB 33 TVIN I TEST data input 34 EXT I O Csync Frame sync output or external VBI information input 35 F Vsync I O Frame s...

Page 21: ...pple bottom 27 RPP O RF ripple peak 28 RFO O Equalizing RF output 2 3 V 29 NC NC terminal To be connected to GND 30 NC NC terminal To be connected to GND 31 VccR Power terminal RF 32 DPDB I Pit depth adjustment VrD When D PDB is raised the A B side delay increases 33 TEB I TE balance VrD When TEB is raised the TP side gain increases and the A C side delay increases 34 FEB I FE balance VrD When FEB...

Page 22: ... RFA RFDC GND2 EQD NC Vcc2 PSC FEB TEB GND P2TP P2TN LDO2 MDI2 VrA VrD Vdd DPAC DPBD DPD1 DPD2 SCB SCL SCD VRCK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 APC1 sel RF R gain Adjust EQ F gain Adjust F gain Adjust RF Ripple creation FE creation DPDTE creation FE...

Page 23: ...s TTL level 23 HA1 I MPU address bus TTL level 24 PLCK I O Read channel clock input output terminal 25 ED0 User use is prohibited N C since it is for shipping adjustment Open 26 ED1 27 ED2 28 ED3 29 ED4 30 ED5 31 ED6 32 ED7 33 TEST I For shipping adjustment Set to L 34 PDON O PLL phase error signal output Negative polarity 35 PDOP O PLL phase error signal output Positive polarity 36 RLLD O RLL det...

Page 24: ...M data bus TTL level 76 MD2 I O External RAM data bus TTL level 77 MD1 I O External RAM data bus TTL level 78 MD0 I O External RAM data bus TTL level 79 SD7 O MPEG data output 80 SD6 O MPEG data output 81 SD5 O MPEG data output 82 SD4 O MPEG data output 83 DVSS Digital power 0V For logic cell 84 DVDD3 Digital power 3 3V For logic cell 85 SD3 O MPEG data output 86 SD2 O MPEG data output 87 SD1 O MP...

Page 25: ... is in deep power down state 480 ns is required to recover from the deep power down state If the RP pin becomes Low the whole chip operation is interrupted and reset After recovery the device is set to array read state 28 OE Input Output enable When OE is set to Low data is output from the DQ pin When OE is set to High the DQ pin is set to float state Write enable Command user interface data Q reg...

Page 26: ...IOCA3 P2 1 PO1 TIOCB3 P2 2 PO2 TIOCC3 P2 3 PO3 TIOCD3 P2 4 PO4 TIOCA4 P2 5 PO5 TIOCB4 P2 6 PO6 TIOCA5 P2 7 PO7 TIOCB5 P4 7 AN7 DA1 P4 6 AN6 DA0 P4 5 AN5 P4 4 AN4 P4 3 AN3 P4 2 AN2 P4 1 AN1 P4 0 AN0 V ref AV cc AV ss PA5 A21 IRQ5 PA4 A20 IRQ4 PA3 A19 PA2 A18 PA1 A17 PA0 A16 PB7 A15 PB6 A14 PB5 A13 PB4 A12 PB3 A11 PB2 A10 PB1 A9 PB0 A8 PC7 A7 PC6 A6 PC5 A5 PC4 A4 PC3 A3 PC2 A2 PC1 A1 PC0 A0 P35 SCK1...

Page 27: ...B 32 VSS Digital GND 33 VDD Power 3 3V 34 EXPBU 0 In Output General use input output terminal Gr B 35 EXPBU 1 In Output General use input output terminal Gr B 36 EXPBU 2 In Output General use input output terminal Gr B 37 EXPBU 3 In Output General use input output terminal Gr B 38 EXPC 0 In Output General use input output terminal Gr C 39 EXPC 1 In Output General use input output terminal Gr C 40 ...

Page 28: ...D 4 EXPD 5 BUFDO BUFDI SBUFBO SBUFBI SBUFAO SBUFAI MRST MODE BUFCO TEST BUFCI VSS VDD SOUT 3 SOUT 4 SOUT 5 MRST MODE SEL TEST CK VSS VSS EXPD 2 EXPD 1 EXPD 0 EXPC 5 EXPC 4 EXPC 3 VSS EXPC 2 EXPC 1 EXPC 0 EXPBU 3 EXPBU 2 EXPBU 1 EXPBU 0 VDD VSS SOUT 2 SOUT 1 SOUT 0 S2 5 S2 4 S2 3 VSS S2 2 S2 1 S2 0 Q2 7 Q2 6 Q2 5 Q2 4 VDD VSS EXPBL 3 EXPBL 2 EXPBL 1 EXPBL 0 EXPAU 3 EXPAU 2 VDD VSS EXPAU 1 EXPAU 0 E...

Page 29: ...en HWID is connected to VDD it becomes the data line 15 12 of the 16 bit host 3 6 HD 15 12 3 S I O data bus When HWID is connected to GND it becomes CD DSP serial input port pin as specified below 6 CDDAT HD 12 I I CD DSP bit clock input 5 CDDAT HD 13 I I CD DSP data input 4 CDFRM HD 14 I I CD DSP LR clock frame input 3 CDERR HD 15 I I CD DSP data error input 22 HA 3 0 I I Host address input The a...

Page 30: ...o parts The signal is used as the qualifier of the data and sync signal 90 HSYNC 3 S I O Horizontally sync bidirection signal pin The polarity and length are programmable 89 VSYNC 3 S I O Vertically sync bidirectional signal pin The polarity and length are programmable 91 FI 3 S I O Field identification bidirectional signal pin The polarity is programmable 88 CBLANK O O Composite blank output The ...

Page 31: ...lock 61 RAMDQM O O SDRAM data masking active high output 54 RAMCS0 O O SDRAM chip select active low output For lower order of 2Mbyte device 55 RAMCS1 O O SDRAM chip select active low output For higher order of 2Mbyte device 60 RAMWE O O SDRAM write enable active low output 127 SCNENBL I I Test pin Usually connected to GNG 83 TESTMODE I I Test pin Usually connected to VDD 139 ICEMODE I I Test pin U...

Page 32: ...U Data Input Output Mask Makes data output Hi Z tsHZ after the clock and masks the output Blocks data input when L U DQM active 2 3 5 DQ0 15 Data Input Output Data inputs outputs are multiplexed on the same pins 6 8 9 11 12 39 40 42 43 45 46 48 49 Vcc Vss Power Supply Ground Power and ground for the input buffers and the core logic 25 1 26 50 Vcc VssO Data Output Power Ground Isolated power supply...

Page 33: ...11 START Start stop selection terminal 27 A11 Drive output 1 12 VPUMP Booster terminal 28 A12 Drive output 1 13 BC1 Booster capacitor connection terminal 29 NC N C 14 BC2 Booster capacitor connection terminal 30 PWMSW PWM frequency selection terminal 15 GND GND terminal 31 VM12 Motor power terminal 1 16 VDD Power terminal 32 VM11 Motor power terminal 1 11 10 8 9 30 0 1µF 0 1µF 100µF VPUMP BC1 BC2 ...

Page 34: ...H3 gain fixed input terminal 8 REG_OUT Constant voltage output 20 VCC VCC collector of external Tr 21 GND GND 9 REG_B Connected to the base of external Tr 22 OUT3 CH3 negative output terminal 10 BIAS Bias input terminal 23 OUT3 CH3 positive output terminal 11 IN1 CH1 gain adjustment input terminal 24 OUT2 CH2 negative output terminal 12 IN1 CH1 gain fixed input terminal 25 OUT2 CH2 positive output...

Page 35: ...Test input output terminal Usually fixed to L 20 P2VREF PLL system 2VREF terminal 21 SPDO O VCO center frequency shift terminal 22 PDOS O EFM and PLCK signal phase error signal output terminal To be used when x8 speed operation is used 23 PDO O EFM and PLCK signal phase error signal output terminal 24 XMAXS O TMAX detection result output terminal To be selected with command bit TMPS 25 TMAX O 26 L...

Page 36: ... feed equalizer from the IO0 1 terminal and to output the dual value PWM from disc equalizer of IO2 3 terminal L Active 64 CKSE X tal selection terminal When 16 9344 MHz H When 33 8688 MHz L 65 DACT Test terminal 66 TESIN Test input terminal 67 TESIO1 Test input output terminal 68 VSS Digital ground terminal 69 PXI DSP system clock oscillation circuit input terminal 70 PXO DSP system clock oscilla...

Page 37: ...ack H L x2 speed playback L H x4 speed playback L L x8 speed playback Block Diagram 76 DVDD 77 RO 78 DVSS 79 DVR 80 LO 81 DVDD 82 TEST1 83 TEST2 84 TEST3 85 BUS0 86 BUS1 87 BUS2 88 BUS3 89 VDD 90 VSS 91 BUCK 92 CCE 93 TEST4 94 TEMOD 95 RST 96 TEST0 97 HSO 98 UHSO 99 EMPH 100 LRCK 50 DMO 49 FVO 48 FMO 47 TEBC 46 RFGC 45 VREF 44 TRO 43 FOO 42 TEZI 41 TEIN 40 TSIN 39 SBAD 38 FEIN 37 RFRP 36 RFZI 35 R...

Page 38: ...dulator is in reset state 1 23 CS IWO I Chip selection input format selection 2 24 MODE I Mode control selection H Software L Hardware 1 25 MUTE I Mute control 1 26 MD DM0 I Mode control data deemphasis selection 1 1 27 MC DM1 I Mode control BCK deemphasis selection 2 2 28 ML IIS I Mode control latch input format selection 1 Note 1 Pins 22 24 25 26 27 and 28 With Schmidt trigger input pull up resi...

Page 39: ... signal 30 HIM Input CPU bus control selection signal I M mode H L 31 MRST Input Reset signal 32 VSS Digital GND 33 VDD Digital power 3 3V 34 PXDO 0 Output Pixel data output 35 PXDO 1 Output 8 bit parallel video data conforming to ITU R BT 601 and BT 656 standard Cb Y Cr Y 36 PXDO 2 Output MSB PXDO 7 LSB PXDO 0 37 PXDO 3 Output 38 PXDO 4 Output 39 PXDO 5 Output 40 VSS Digital GND 41 VDD Digital po...

Page 40: ...Clock Gen Source Dec NTSC Enc 3ch D A built in Edge creation SPT circuit Digital dinamic r circuit Digital color correction Color offset correction White correction DR SPT circuit 8 1 1 1 1 Pin No Terminal name I O Operation function 1 IN I Error amplifier inversion input terminal 2 SCP Capacitor connection terminal for soft start SCP setting 3 VCC Power terminal 4 BR CTL I Output current setting ...

Page 41: ...y mode setting 52 TEST Test setting input 17 GND Ground power terminal 53 MON_A Test setting output 18 EXCL Clock input output 54 MON_B Test setting output 19 GND Ground power terminal 55 MON_C Test setting output 20 MDW Input for display mode setting 56 MON_D Test setting output 21 MDN Input for display mode setting 57 CLS Clock signal output for gate driver 22 PWM Backlight luminance control sig...

Page 42: ...B AMPLITUDE Adjustment can be done between black black of the RGB output signal the swing and the dynamic range ADJUST This terminal is preset inside 27 GAMMA 0 Adjustment can be done the point of the gamma 0 This terminal is preset inside 29 BRIGHT A gamma compensation curve and the adjustment of the swing of common output can be done 30 SUB BRIGHT B It interlocks with the gamma compensation curv...

Page 43: ... 42 2 REG1 REG2 REG3 TRAP KILLER PICTURE BGP GEN Window Pulse GEN F F AGCAMP AGCDET SYNCSEP CLAMP VREF INV ϒ AMP MATRIX INT EXT SW ϒ AMP ϒ AMP INV INV Block Diagram Pin No Terminal name Operation function 47 AGC OUT It is the terminal which the voltage detected in the automatic gain control detector circuit of the luminance signal is outputted in Output voltage rises the output voltage 48 PICTURE ...

Page 44: ...input From DVD system computer 8 O SOUT Serial data output To DVD system computer 9 I SIN Serial data input From DVD system computer 10 I SYNC Composite sync signal input From LCD decoder IC 11 I PLLD TVPLL lock signal input From TV tuner 12 O PLCS TVPLL load EN output To TV tuner 13 O PCLK Clock output for inner communication To TV tuner E2 PROM and DAC IC 14 O POUT Data output for inner communic...

Page 45: ...52 O LED1 LED control green To LED lighting circuit 53 O AV S TD DVD video audio selection output To video SW IC audio SW IC 54 O LED2 LED control red To LED lighting circuit 55 O AV P TD DVD video audio selection output To video SW IC audio SW IC 56 O DEF Defeat output 57 O EPCS E2 PROM chip select To E2 PROM 58 O DACS DAC chip select To adjustment DAC IC 59 O FLOF PAL NTSC switching terminal 60 ...

Page 46: ...DY output READY signal output during serial communication with DVD H Command reception disable BUSY state L Command reception enable READY state 18 O POW Power on off control DC DC power control H Power ON L Power OFF stand by 19 I PIN Data output for inner communication Serial data input to E2 PROM 20 O K3 Not used 22 O K2 Key matrix output2 23 25 O K1 Key matrix output1 26 O K0 Key matrix output...

Page 47: ...p select H During data transmission to DAC L When data is not transmitted 59 O FLOF DVD video mute H Normal L DVD video mute 60 O IN H External input control H External input L DVD TV mode 61 I PSW Not used 62 O SMUTE Audio mute output L Speaker sound mute 63 H Normal 65 O PMUTE Video mute output L Video mute H Normal 79 O FMCS Not used Timer RAM 512byte ROM 32Kbyte It is interrupted CGRAM ADDRESS...

Page 48: ...it shift register is output 16 I Shift clock input terminal The input signal form the DI terminal is input into 12 bit shift register when the shift clock reises 15 I Load signal input terminal When H level is input the data of the 12 bit shift register is loaded to the decoder and register for D A output 18 O D A output teminal Analog data of 8 bit D A converter with OP amplifier is output 19 2 3...

Page 49: ...der Instruction decode control clock generation Wave voltage detection Write inhibition High voltage generation bit EEPROM Aray 1 024 6bit 6bit 16bit 16bit 9 25 IC3205 S875045B Voltage detection circuit Phase fault protection circuit Delay circuit 1 4 2 3 5 VOUT VOR VIN VSS CD Voltage regulator Pin No Terminal name Remarks 1 VOUT Output terminal of voltage regulator 2 Vss GND terminal 3 CD Externa...

Page 50: ...tion 1 SGND1 Signal ground1 9 OUT2A Output2 Positive 2 IN1 Input1 10 GND2 Power ground2 3 n c Not connected 11 n c Not connected 4 n c Not connected 12 OUT2B Output2 Negative 5 Vp Supply voltage 13 OUT1B CH2 gain fixed input terminal 6 IN2 Input2 14 GND1 CH3 gain adjustment input terminal 7 SGND2 Signal ground2 15 n c Not connected 8 n c Not connected 16 OUT1A VCC Block Diagram 16 OUT1A 13 14 5 OU...

Page 51: ...langle Oscillator Vref 2 5V 16 15 9 1 2 7 10 8 11 6 3 4 5 12 14 13 Error Amp1 VCC 2 0V 1 4V 2 5V Vref 2 Vref Vref Vref Reference Voltage R U V L O R S Latch Output1 Output2 Error Amp2 PWM Comprator1 PWM Comprator2 GND Short Circuit Protection Comparator ...

Page 52: ...602 RH iX0750TAZZ IC2102 VHiTK15400 1 IC3201 VHiMB8346BV 1 IC703 VHi10324AFV 1 IC506 RH iX1618GEZZ IC3202 VHiBR93L46F 1 IC1900 VHiBA7046F 1 LZ9GJ18 SHARP JAPAN Y Y WW XXX IR3Y298 SHARP JAPAN Y Y WW X IC1801 VHiiR3Y29BM 1 IC1902 VHiTC4S81F 1 IC1102 VHiNJM2107F 1 IC2103 VHiTC4S66F 1 IC3601 VHiTK11835 1 IC6202 IC6203 VHiTC4053BF 1 IC704 RH iX1531CEZZ S H A R P 1 1 IC707 RH iX1473GEZZ X601 RCRSC0031GE...

Page 53: ...53 DV L70S DV L70BL DV L70W 11 WIRING DIAGRAM ...

Page 54: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 54 55 12 BLOCK DIAGRAMS 12 1 MAIN BLOCK DIAGRAM ...

Page 55: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 56 57 12 2 LCD BLOCK DIAGRAM ...

Page 56: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 58 59 12 3 POWER BLOCK DIAGRAM ...

Page 57: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 60 61 12 4 INVERTER BLOCK DIAGRAM ...

Page 58: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 62 63 13 SCHEMATIC DIAGRAMS 13 1 MAIN 1 CIRCUIT SCHEMATIC DIAGRAM ...

Page 59: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 64 65 13 2 MAIN 2 CIRCUIT SCHEMATIC DIAGRAM ...

Page 60: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 66 67 13 3 MAIN 3 CIRCUIT SCHEMATIC DIAGRAM ...

Page 61: ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 68 69 13 4 LCD CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS SAFETY RELATED PARTS å ...

Page 62: ... 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 70 71 13 5 POWER CIRCUIT SCHEMATIC DIAGRAM å å å Note It becomes Ref NO 90XX å AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Page 63: ...DV L70S DV L70BL DV L70W 74 14 PRINTED WIRING BOARD ASSEMBLIES 14 1 MAIN PWB Component Side A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 ...

Page 64: ...6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV L70S DV L70BL DV L70W DV L70S DV L70BL DV L70W 76 77 14 2 LCD OPERATE PWB LCD PWB Component Side OPERATE PWB Component Side Wiring Side Wiring Side ...

Page 65: ...DV L70S DV L70BL DV L70W 78 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 14 3 POWER INVERTER PWB POWER PWB Note It becomes Ref NO 90XX INVERTER PWB Component Side Note It becomes Ref NO 99XX Wiring Side ...

Page 66: ... DTC114EE AB Q3102 VSDTA144EE 1 DTA144EE AA Q3103 VS2SC4738Y 1 2SC4738Y AA Q3201 VS2SC4738Y 1 2SC4738Y AA Q3202 VS2SC4738Y 1 2SC4738Y AA Q3203 VSDTA144EE 1 DTA144EE AA Q3204 VSDTA144EE 1 DTA144EE AA Q3601 VS2SA1362GR 1 2SA1362GR AC Q6000 VS2SD1306 E1E 2SD1306 E AD Q6001 VS2SD1306 E1E 2SD1306 E AD Q6002 VSDTA114EE 1 DTA114EE AB Q6612 VS2SC4213B 1 2SC4213B AC Q6613 VS2SC4213B 1 2SC4213B AC Q6615 VS2...

Page 67: ...TE1AJ476M 47 10V Tantalum AD C374 VCKYCY1CB104K 0 1 16V Ceramic AB C401 VCKYCY1HB471K 470p 50V Ceramic AA C402 VCSATE1AJ476M 47 10V Tantalum AD C404 VCKYCY1CB104K 0 1 16V Ceramic AB C405 VCSATE1AJ476M 47 10V Tantalum AD C406 VCCCCY1HH331J 330p 50V Ceramic AA C407 VCCCCY1HH331J 330p 50V Ceramic AA C408 VCKYCY1CB333K 0 033 16V Ceramic AA C409 VCKYCY1EB103K 0 01 25V Ceramic AA C410 VCCCCY1HH220J 22p ...

Page 68: ...05Z 1 10V Ceramic AC C1809 VCKYCY1HF103Z 0 01 50V Ceramic AA C1810 VCKYCY1HF103Z 0 01 50V Ceramic AA C1811 VCKYCY1AF105Z 1 10V Ceramic AC C1812 VCKYCY1CF104Z 0 1 16V Ceramic AA C413 VCKYCY1AF105Z 1 10V Ceramic AC C414 VCKYCY1EB103K 0 01 25V Ceramic AA C415 VCKYCY1HB471K 470p 50V Ceramic AA C416 VCKYCY1EB103K 0 01 25V Ceramic AA C417 VCKYCY1CB104K 0 1 16V Ceramic AB C418 VCKYCY1EB103K 0 01 25V Cera...

Page 69: ...09 VCCCCY1HH471J 470p 50V Ceramic AA C3110 VCCCCY1HH471J 470p 50V Ceramic AA DUNTK5869KE50 MAIN PWB UNIT Continued C3111 VCCCCY1HH221J 220p 50V Ceramic AA C3112 VCCCCY1HH471J 470p 50V Ceramic AA C3113 VCCCCY1HH221J 220p 50V Ceramic AA C3114 VCCCCY1HH221J 220p 50V Ceramic AA C3115 VCCCCY1HH471J 470p 50V Ceramic AA C3116 VCCCCY1HH471J 470p 50V Ceramic AA C3117 VCCCCY1HH471J 470p 50V Ceramic AA C3118...

Page 70: ...102J 1k 1 16W Metal Oxide AA R643 VRS CY1JF102J 1k 1 16W Metal Oxide AA R644 VRS CY1JF102J 1k 1 16W Metal Oxide AA R645 VRS CY1JF102J 1k 1 16W Metal Oxide AA R647 VRS CY1JF560J 56 1 16W Metal Oxide AA RESISTORS R113 VRS CY1JF102J 1k 1 16W Metal Oxide AA R114 VRS CY1JF222J 2 2k 1 16W Metal Oxide AA R119 VRS TW2ED820J 82 1 4W Metal Oxide AB R120 VRS CY1JF681J 680 1 16W Metal Oxide AA R123 VRS CY1JF1...

Page 71: ... Metal Oxide AA DUNTK5869KE50 MAIN PWB UNIT Continued R908 VRS CY1JF820J 82 1 16W Metal Oxide AA R909 VRS CY1JF820J 82 1 16W Metal Oxide AA R910 VRS CY1JF820J 82 1 16W Metal Oxide AA R911 VRS CY1JF820J 82 1 16W Metal Oxide AA R912 VRS CY1JF820J 82 1 16W Metal Oxide AA R918 VRS CY1JF820J 82 1 16W Metal Oxide AA R922 VRS CY1JF101J 100 1 16W Metal Oxide AA R932 VRS CY1JF102J 1k 1 16W Metal Oxide AA R...

Page 72: ...Metal Oxide AA R3192 VRS CY1JF102J 1k 1 16W Metal Oxide AA DUNTK5869KE50 MAIN PWB UNIT Continued R3194 VRS CY1JF102J 1k 1 16W Metal Oxide AA R3195 VRS CY1JF223J 22k 1 16W Metal Oxide AA R3196 VRS CY1JF223J 22k 1 16W Metal Oxide AA R3197 VRS CY1JF101J 100 1 16W Metal Oxide AA R3198 VRS CY1JF223J 22k 1 16W Metal Oxide AA R3203 VRS TV1JF000J 0 1 16W Metal Oxide AA R3204 VRS CY1JF000J 0 1 16W Metal Ox...

Page 73: ...de AA R6686 VRS CY1JF102J 1k 1 16W Metal Oxide AA R6687 VRS CY1JF102J 1k 1 16W Metal Oxide AA R6688 VRS CY1JF102J 1k 1 16W Metal Oxide AA R6689 VRS CY1JF104J 100k 1 16W Metal Oxide AA R6691 VRS CY1JF122J 1 2k 1 16W Metal Oxide AA R6692 VRS CY1JF222J 2 2k 1 16W Metal Oxide AA R6694 VRS CY1JF474J 470k 1 16W Metal Oxide AA R6695 VRS CY1JF000J 0 1 16W Metal Oxide AA R7001 VRS CY1JF103J 10k 1 16W Metal...

Page 74: ...etal Oxide AA R5012 VRS CY1JF681J 680 1 16W Metal Oxide AA R5013 VRS CY1JF471J 470 1 16W Metal Oxide AA DUNTK5870KE50 LCD PWB UNIT Continued C1131 VCCCCY1HH330J 33p 50V Ceramic AA C1132 RC KZ0052TAZZ 4 7 16V AC C1133 RC KZ0052TAZZ 4 7 16V AC C1134 RC KZ0052TAZZ 4 7 16V AC C1135 RC KZ0046TAZZ 4 7 35V AD C1136 VCKYCY1CF104Z 0 1 16V Ceramic AA C1137 VCKYCY1CF104Z 0 1 16V Ceramic AA C1138 VCKYCY1CF104...

Page 75: ... SPAKP0186GEZZ Wrapping Paper SPAKX1065GEZZ Packing Add SPAKX1066GEZZ Packing Add SSAKA0100TAZZ Polystylene Bag Accessories L70W SSAKA0170CEZZ Polystylene Bag Accessories L70S BL å QACCB0016TAZZ AC Power Cord L70S W AV å QACCK0002TAZZ AC Power Cord AM QCNW 8340GEZZ S Video Video Cord AS QCNW 8341GEZZ Audio Cord AP RPHOH0001GEZZ Earphone AP RRMCG1225GESA Remote Control Unit L70S AT RRMCG1225GESB Re...

Page 76: ...2GESD SHARP Logo Badge AF L70BL W 12 CCABD1002GE01 Cabinet D Ass y LCD Panel AX 12 2 PCOVP0102GEZZ Speaker Cover R AC 12 3 PCOVP0103GEZZ Speaker Cover L AC 12 4 PSPAH0102GEZZ Speaker Spacer R AD 12 5 PSPAH0103GEZZ Speaker Spacer L AD 12 6 LX HZ3094CEFD Collar B Tight Screw AA 12 7 PCOVP0106GEZZ Speaker Cover M AE 13 JBTN 2994GESA LCD Lock Button AE 14 MHNG 3021GEZZ Hinge L AN 16 JBTN 2993GESA Powe...

Page 77: ...2 18 15 15 5 16 17 1 2 2 10 6 11 7 1 8 Notes 1 When soldering the sled lead wire y it must be made in a soldering iron tip temperature of 290 20 C and within 3 seconds 2 Press fit dimension of motor pinion t When replacement or a djustment of the parts in this frame is necessary replace or adjust the mechanism ass y adjustment of the parts is completed 5 8 0 1 ...

Page 78: ...T EXPLODED VIEW A B C D E F G H 1 2 3 4 5 6 17 20 39 40 37 20 38 34 41 12 37 20 39 40 17 20 27 20 13 14 20 20 11 28 36 33 16 21 21 21 21 21 21 23 22 6 24 20 26 31 30 25 8 35 5 12 4 12 2 12 7 12 3 12 5 12 6 12 6 7 4 7 5 7 7 7 6 7 2 7 3 1 4 1 5 6 2 6 4 6 3 6 5 6 6 6 6 11 2 33 3 33 2 33 1 7 1 4 3 29 2 ...

Page 79: ...cement Items SPAKC4297GEZZ DV L70S Packing Case SPAKC4296GEZZ DV L70BL Packing Case SPAKC4298GEZZ DV L70W Packing Case SPAKX1065GEZZ SPAKX1066GEZZ Packing Add TiNS 3710GEZZ DV L70S BL Operation Manual TiNS 3709GEZZ DV L70S BL TiNS 3766GEZZ DV L70S BL Operation Manual SSAKA0170CEZZ DV L70S BL Polystylene Bag Accessories SPAKP0186GEZZ Wrapping Paper SPAKF0202GEZZ DV L70S BL Packing Meterial SPAKL004...

Page 80: ...Ref No Part No Description Code Ref No Part No Description Code 93 DV L70S DV L70BL DV L70W M E M O ...

Page 81: ...Ref No Part No Description Code Ref No Part No Description Code 94 DV L70S DV L70BL DV L70W M E M O ...

Page 82: ...Ref No Part No Description Code Ref No Part No Description Code 95 DV L70S DV L70BL DV L70W ...

Page 83: ...ochigi 329 2193 Japan COPYRIGHT C 1999 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher TQ0791 S Dec 1999 Printed in JAPAN SA NS DV L70S DV L70BL DV L70W ...

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