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SERVICE MANUAL

ECHO

VOL

DV963SM

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Summary of Contents for DV963SM

Page 1: ...SERVICE MANUAL ECHO VOL DV963SM...

Page 2: ...1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST 4 5 2 BRACKET EXPLOSED VIEW AND PART LIST 6 6 ELECTRICAL CONFIRMATION 8 6 1 VIDEO OUTPUT LUMINANCE SIGNAL CONFIRMATION 8 6 2 VIDEO OUTPUT CHROMINANCE...

Page 3: ...removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as alminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only...

Page 4: ...4 PLAY button 9 MIC 1 jack LED display window 14 POWER switch 6 STOP button MIC VOLUME knob 11 8 FWD button IR SENSOR 13 3 OPEN CLOSE button 2 Disc tray 7 REV button 12 ECHO adjustment knob 4 3 11 12...

Page 5: ...installation the both ends of the laser diode are short circuited After replacing the parts with new ones remove the short circuit according to the correct procedure See this Technical Guide 2 Do not...

Page 6: ...5 1 Optical pickup Unit Explosed View and Part List Pic 1...

Page 7: ...MIDDLE A 1 7 1EA2511A29400 GEAR MIDDLE B 1 8 1EA2744A03000 SHAFT SLIDE 1 9 1EA2744A03100 SHAFT SLIDE SUB 1 10 1EA2812A15300 SPRING COMP TYOUSEI 3 11 1EA2812A15400 SPRING COMP RACK 1 21 1EA0B10B20100 A...

Page 8: ...t wheel 17 Pick up 5 gearwheel 18 switch 6 iron chip 19 Five pin flat plug 7 Immobility mechanism equipment 20 screw 8 Magnet 21 PCB 9 Platen 22 motor 10 Bridge bracket 23 Motor wheel 11 screw 24 scre...

Page 9: ...h a soldering iron after a circuit is connected Keep the power source of the pick up protected from internal and external sources of electrical noise Refrain from operation and storage in atmospheres...

Page 10: ...onnect the oscilloscope to the video output terminal and terminate at 75 ohms 2 Confirm that luminance signal Y S level is 1000mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Titl...

Page 11: ...tput terminal and terminate at 75 ohme 2 Confirm that the chrominance signal C level is 621 mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Title 46 DVDT S15 PLAY Title 12 DVDT S0...

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Page 13: ...c Erase Algorithm Preprograms and Erases Any Combination of Sectors or the Entire Chip n n n n n Automatic Program Algorithm Writes and Verifies Data at Specified Addresses n n n n n Compliant With Co...

Page 14: ...nd veri fies proper cell margin Hardware Sector Protec tion optionally disables both program and erase operations in any combination of the sectors of the memory array while Temporary Sector Un protec...

Page 15: ...e t i r w e d o m y b d n a t S e h t n i d e c a l p s i e c i v e d E O t u p n I w o L e v i t c a e l b a n E t u p t u O r o f d e t a g e n d n a s n o i t a r e p o d a e r r o f d e t r e s s...

Page 16: ...19 20 DQ3 DQ11 21 22 RY BY A18 1 2 A17 A7 3 4 A10 A11 40 39 A12 A13 38 37 A14 A15 36 35 A16 BYTE 34 33 VSS DQ15 A 1 32 31 DQ7 DQ14 30 29 DQ6 DQ13 28 27 DQ5 DQ12 26 25 DQ4 VCC 24 23 RESET WE 44 43 A8...

Page 17: ...LDQM and UDQM Package 400mil 50 pin TSOP 2 DESCRIPTION ICSI s 16Mb Synchronous DRAM IC42S16101 is organized as a 524 288 word x 16 bit x 2 bank for improved performance The synchronous DRAMs achieve h...

Page 18: ...cept for CKE all inputs to this device are acquired in synchronization with the rising edge of this pin 18 CS Input Pin The CS input determines whether command input is enabled within the device Comma...

Page 19: ...FRESH COUNTER SELF REFRESH CONTROLLER ROW ADDRESS LATCH MULTIPLEXER ROW ADDRESS BUFFER ROW ADDRESS BUFFER COLUMN ADDRESS LATCH BURST COUNTER COLUMN ADDRESS BUFFER ROW DECODER ROW DECODER MEMORY CELL A...

Page 20: ...grates the MediaTek 2nd generation front end analog RF amplifier and the Servo MPEG AV decoder The progressive scan of the MT1389 utilized a proprietary advanced motion adaptive de interlace algorithm...

Page 21: ...output or digital output Embedded Micro controller Built in 8032 micro controller Built in internal 373 and 8 bit programmable lower address port 1024 bytes on chip RAM Up to 4M bytes FLASH programmin...

Page 22: ...e echo Microphone tone control Vocal mute vocal assistant Key shift up to 8 keys Chorus Flanger Harmony Reverb Channel equalizer 3D surround processing include virtual surround and speaker separation...

Page 23: ...D 32 U401 PT6961 LEDAT LEDCK LEDST KEY1 KEY2 KEY3 S1 S2 S3 S4 S5 S6 S7 S8 G1 G2 G3 G4 G5 G6 G7 VCC VCC VCC VCC2 TC402 100uF 16V S1 S2 S3 S4 S5 S6 S7 S8 G1 G2 G3 G4 G5 G7 G6 2 5 7 10 12 14 15 16 A 11 B...

Page 24: ......

Page 25: ...TC512 47uF 50V TC506 1000uF 10V TC505 1000uF 10V TC509 1000uF 10V TC510 1000uF 10V 2 3 4 1 5 CN501 XS05 D508 HER105 C507 101 TC503 470uF 16V R511 220R 1W FB 4 GND 1 D 2 VCC 3 U501 5L0380R R507 1K R504...

Page 26: ......

Page 27: ...1 A B IN 2 A COM 4 A A I N 6 FUNC S W 8 CONT 10 NC 12 RETURN 14 BLK I O 16 TRTURN 18 V IN 20 J K 706 VJ S 3921 R704 4 7K R705 75R V701 8050 V702 8050 R708 33R R709 330R R710 2 2K 10V A 10V AGND PDAT0...

Page 28: ......

Page 29: ...FB 89V33 PWR A16 A15 A14 A13 A12 A11 A10 A9 A20 PCE A1 PRD AD0 AD1 AD2 AD3 AD4 AD5 AD6 A21 AD7 A17 A0 V18 VSCK VSDA VSTB SCL SDA RXD TXD URST IR DQM0 DQS0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 DQ15 DQ14 R2...

Page 30: ...TC203 10uF 16V A5VV VGND R222 0R DNS XI Q204 9016 RAS 17 CS 18 CAS 16 CKE 34 A0 21 A1 22 A2 23 A3 24 A4 27 A5 28 A6 29 A7 30 A8 31 A9 32 A10 20 BA A11 19 CLK 35 DQ7 12 DQ6 11 DQ5 9 DQ4 8 DQ3 6 DQ2 5 D...

Page 31: ...4 9V AGND SDATA2 SDATA1 SDATA0 SLRCK SACLK SBCLK SCL SDA RESET LL RS RR LS LFE C R2132 20K C2116 102 OKA AGND R2156 20K R2136 6 8K R2148 6 8K R2152 6 8K R2153 6 8K R2154 6 8K R2155 6 8K C2122 122 C212...

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Page 33: ...1 2 3 VRB02 10K 1 2 3 VRB01 10K MIC MIX OUT2 OUT1 2 3 4 1 5 XSB01 XS05 OUT1 OUT2 MIX MIC GND h B963A 1...

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Page 37: ...101 METAL FILM RESISTOR 1 4W12K 1 SHAPED 10 PCS 1 R509 0010135 METAL OXIDE FILM RESISTOR 2W39K 5 SHAPED FLAT 15 9 PCS 1 R503 0010159 METAL OXIDE FILM RESISTOR 2W39K 5 SHAPED FLAT 15 7 PCS 1 R503 00101...

Page 38: ...7 FUSE T1 6AL 250V PCS 1 F501 3020402 FUSE BLX 2 PCS 1 FOR F501 3580039 HEAT RADIATION BOARD 11 15 25 AB009K PCS 2 U501 U504 FOR HEAT RADIATION 3580054 HEAT RADIATION BOARD 11 15 25 AB905 PCS 2 U501 U...

Page 39: ...REVERSE PCS 1 XSB01 1562556 PCB B963A 1 PCS 1 5 AV BOARD MATERIAL CODE MATERIAL NAME SPECIFICATIONS UNIT QUANTITY LOCATION 0090001 SMD RESISTOR 1 16W 0 5 0603 PCS 6 C712 C717 0000171 CARBON FILM RESIS...

Page 40: ...16W 2 2 5 PCS 1 R408 0090023 SMD RESISTOR 1 16W 10K 5 PCS 3 R403 R404 R405 0090192 SMD RESISTOR 1 16W 51K 5 PCS 1 R401 0310084 SMD CAPACITOR 50V 104 80 20 0603 PCS 1 C401 1631138 PCB 4963 2 PCS 1 7 S...

Page 41: ...K 5 0603 PCS 1 R242 0090019 SMD RESISTOR 1 16W 4 7K 5 0603 PCS 16 R238 R240 R2130 R2131 R2134 R2135 R2138 R2 140 R2142 R2143 R2146 R2147 R2150 R2151 0090021 SMD RESISTOR 1 16W 6 8K 5 0603 PCS 6 R2136...

Page 42: ...0066 SMD CAPACITOR 50V 102 10 0603 PCS 13 C2112 C2115 C2118 C21 21 C2124 C2127 C223 C2 78 C255 C294 C297 C211 6 C291 0310231 SMD CAPACITOR 50V 122 10 0603 PCS 6 C2122 C2129 C2130 C21 33 C2135 C2136 03...

Page 43: ...U221 0880322 IC MM74HCU04M SOP PCS 1 U205 0880513 IC HCU04 SOP PCS 1 U205 0881275 IC IC42S16100 7T SOP PCS 2 U203 U204 0881182 IC LM1117MP ADJ SOT 223 PCS 1 U209 0881057 IC CS4360 SSOP PCS 1 U207 0881...

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