GRANDIN CINE 421 Service manual
Contents
1. e nt ste or f o w w o S w MEME M GPIOT CKE General purpose input output monitored controlled by the CPU or DSP SW General Purpose input output monitored controlled by the CPU debug UART data input GPIO9 General purpose input output monitored controlled by the CPU or DSP SW JE 8V 1 8Y Digital core power supply core power supply 0000 m E Video Output Horizontal sync output signal GPIOLL Digital Video Output vertical sync output signal S PDIF receiver input for digital coded or reconstructed 0000 audio data enable signal to the SDRAM for power down GPIO13 DSP interface EXP DACVDDC _ 5 3V 3 Digital core power supply core power supply E VREF AI O Capacitive load for internal band gap voltage generation Top wall ee 100 DACVDDB 3 3v analog power supply for the video dacs 3 3v analog power supply for fof it nos v ar fof nos video onm common Ground for the video DSW 801SERVICE MANUAL General Purpose input output METR NEM ee by the CPU E ADVCM GP1020 1 input of digital stereo audio 0000 NE 3v analog power supply for the video dacs LEM ad S _ 000000000 mem fetos ono mem gt hu wm2. s 7 e a OOOO hm mom pover spy O 8 pt eo Ww a RF positive input signal differential input RF input 125 RFIP singal single ended RF positive input signal differential input RF input singal single ended RF positive input signal differential input RF input din singal single ended RFH OPINN E negative input signal differential input RF reference input singal 11 DSW 801SERVICE MANUAL 2 2 MPEG circuit Diagram and component layout cews our T MediaTek ShenZhen Inc COMMON1389L K HD65 C ox ment Herber E own Med Shenzhen int COMMON 1389L KHMS15 AMGBBE E Praia A Fig2 3 MT1389L K 12 DSW 801SERVICE MANUAL SDRAM Dual Layout 88802009 2588 apos ome er Confidential Fig2 5 SDRAM amp FLASH 13 DSW 801SERVICE MANUAL SPDIF OUT COMMON1389L K HD65 m BES Sur aoe E _ nal Fig2 7 VIDEO OUT 14 DSW 801SERVICE MANUAL cu mz ATQUF It THIS DOCUMENT SHALL HOT BE REPROUDUCED OR TRANSFER
3. 402 R SMD 0402 R SMD 0402 R SMD 0402 R 41 SMD 0402 R 100K UF R R K x x x n m ic ces ECT 22945 DSW 801 SERVICE MANUAL SMDj0605 L R16 SMD Q202 Q503 Q506 3 SMD Q m TUE so SMDD SE pep m pem SoS ES we sees e TT wwe 34 LINT 223 DSW 801SERVICE MANUAL 4 2 Front panel parts list DSW 801 Capacitor 02 0104 2 Porcelain 104 20 50V C2 C6 Capacitor Electrolytic 7 7 02 01000 0 0 i 2200 20 16V Size reum ES R SU Digital screen with 5 os words Like 8 JGD 12 07 0 501 Digital Screen 240501AY LCD 1 Rectangle L 20mm WJ 04 0W204D02 A0 204LRD D 3mm RED LED3 DIP 01 010 0 0 0 3300 5 1 8 Wire 7P 2 5 5P Power board CON2 MPEG board 6P 2 5 6P 426 Red Froni Panel6P 2 5pin MPEG oe wire L 430mm boardJ202 FFC 24p 0 5 180 m w 12 5 0 05mm Loader 24P 0 Spin 3 12 181 05 0 Wire with SONY SAMSUNG 98467 board HA200 Loader Thickness 1u m 5P 2 0 5P 26Red Loader 5P 2 Opin MPE E Tes wire L 150mm bo
4. DSW 801 SERVICE MANUAL DSW 801SERVICE MANUAL Table of Contents General Section Cautions Warnings Warnings Precautions Software Upgrade Circuit Diagram and Component Layout MPEG IC Block Diagrams MPEG Circuit Diagram and Component Layout Power supply Circuit Diagram and Component Layout Servicing Procedures Power Supply Trouble Service Flow Chart Read Disc Trouble Service Flow Chart Video Trouble Service Flow Chart Parts List Power parts list MPEG parts list Front panel parts list PCB Board Parts List DSW 801SERVICE MANUAL 1 General Section 1 1 Cautions Warnings 1 1 1 Product Safety Notice Parts marked with the symbol in the schematic diagram have critical characteristics Use ONLY replacement pares recommended by the manufacturer It is recommended that the unit be operated from a suitable DC supply or batteries during initial check out procedures RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING HIGH VOLTAGE INSIDE TO PREVENT ELECTRICAL SHOCK DO NOT REMOVE ANY COVER OR SCREW REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL DO NOT ALLOW THIS PRODUCT TO BE EXPOSED TO RAIN OR MOISTURE DISCONNECT THIS MAINS PLUG FROM THE SUPPLY SOCKET WHEN NOT IN USE 1 1 2 Leakage Current Check Resistance Check Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to insulated resistance check If the leakage current exceeds 0 5 mil
5. ED TO OTHER WITHOUT THE PERMISSION OF APPROVED HY SHEET Fig2 8 Power Supply Circuit Diagram 15 DSW 801SERVICE MANUAL 3 Servicing procedures 3 1 power supply trouble service Flow Chart Power Supply Block Trouble check F101 Condition Replace 101 701 704 Output Voltage Condition Check on 01 pin Voltage Condition 2 5v Replace Ql Replace y Replace IC2 Ch 5v 12v Output voltage DSW 801SERVICE MANUAL 3 2 Read Disc Trouble Service Flow Chart Read DISC Trouble Check DVD LOADER Connector AS Replace Te Condition Connector OK Replace DVD Loading Unit NG Check the MPEG ATAPI I F Interface Circuit Check the other Parts by Replacement Method DSW 801SERVICE MANUAL 3 3 Video Trouble Service Flow Chart 3 3 1 Composite Video Trouble service Flow Chart Composite Video Trouble Check SETUP Item NG See User Manual OK Check Y200 Output Signal NG Replace Y200 Parts OK Check L602 Signal NG L602 Check CN402 Pin7 Signal OK O p Check External Set Replace CN402 connection DSW 801SERVICE MANUAL 3 3 2 SCART Video Trouble Service Flow Chart Composite SCART Video Trouble Check SETUP Item 16 ERUNT ESL A lt manual NG Check Y200 Output Signal NG Replate Y200 OK Check Q409 pin
6. IN OPOUT TRAY OPEN TRAY CLOSE FG GPIO2 USB DP USB DM USB V33 USB GND PAD VRT USB V18 GPIO3 INT GPIO4 GPIO6 RFIP AGND18 SF DO SF CS SF DI AVDD18 ADACVDD2 SF CK UP1 6 SCL ADACVDD1 UP1 7 SDA ALF GPIO ALS GPIO AL GPIO1 MT1389L K AVCM AR GPIOO ARS GPIO ARF GPIO ADACVSS1 APLLCAP APLLVDD ADACVSS2 AADVDD AKIN1 GPIO21 Audio Mute 128 Desktop V1 0 ADVCM GPIO20 2 GPIO19 Audio Mute AADVSS VREF DACVDDC GPIO13 SPDIF GPIO12 GPIO11 GPIO10 DVDD18 GPIO7 DVDD33 RA1 RAO RA10 BA1 DVSS18 DSW 801SERVICE MANUAL Table 1 MTK1389L K Pin Description Tablel Pin functions allocation e m s n XTALI 000MHz clock generator or crystal input for the pll Output to a crystal that is XTALO connected to if a crystal is not used at XI must be PS RE Reference 0 Reference kei Resistive load for internal reference voltage Pos ground 0 0 00 ground ee S K m 0 jmweispabiide m PILLS TRAY OPEN O purpose output monitored controlled by the cpu General Purpose input output I TRAY CLOSE by the CPU DSP SW 5 signal track output output signal Focus PM PWM General purpose input out pud monitored controlled by the om USB DP VA General
7. ard 300 6 2 0 6 26 Loader 6P 2 0pin MPEG ee A wire L 120mm_ boardJ201 12 A401505A A0 Wire Front Panel Key board L 400mm 7P 2 0 2P 26 Red STANDBY On board MPEG Ea 2 wire L 480mm boardJ402 24 DSW 801SERVICE MANUAL 4 2 PCB Board Parts List P0W525 2007 11 28 Size L100 XW50 6mm 94 0 Transformer OW EEL19 POW525 Electrolytic Capacitor 15 JICON 10uF 400V Transistor TP218 13003 TL431A IC EL 817 Metal 1 53 10PW5252 A0 PCB board slice capacitor bottom cabinet C1 TC MEXTENTA MKP 0 luF X2 275AC 9 country certificate Diode D9 58340 VOLT Capacitor C10 SHM E102M AC 400V C4 101 1KV C5 472 1KV fuse VDE T2A 250V CONI 01 25
8. l Signal 0409 OK NG Check J400 Cable L nc Check External Set 19 DSW 801SERVICE MANUAL 3 3 3 5 Video Trouble Service Flow Chart Composite S Video Trouble OK Check See User M SETUP Ten 8 OK Check Y200 Output Signal NG Replace Y200 Parts OK Check L600 L601 Signal NG Replace _____________________ L600 601 OK Check P600 Pin Signal NG p Check External Set 20 DSW 801SERVICE MANUAL 3 4 Composite Analogy Audio Trouble Service Flow Chart Composite Analogy Audio Trouble Check U501 pin2 6 Signal OK OK Check 0501 pin8 12v Replace U501 NG Check CN402 pinl 2 Signal or Check External set Check 0503 0506 Mute Parts v 21 DSW 801 SERVICE MANUAL 4 Parts List 4 1 MPEG list fe owe ac cows ce o 3 oa 1 8 Crystal 27MHZ Y200 104 107 CB200 CB201 205 206 pate C210 C211 CB212 CB214 C214 215 SMD 0603 C 33PF C206 C207 C512 C516 SMD 0603 C 100 233 601 602 604 605 609 610 C613 C614 C25 C26 C2 C3 4 C5 C6 220PF 330PF C235 C231 CB208 C502 Cll 1 1 su ar R303 R305 R402 R403 R408 R409 R410 R515 R511 R200 R215 R224 7X 4 SMD 0
9. liamps or if the resistance from chassis to either side of the power cord is less than 240 K ohms the unit is defective WARNING DO NOT return the unit to the customer until the problem or located and corrected DSW 801SERVICE MANUAL 1 2 Safe Warnings 1 2 1 Protection of Eyes from Laser Beam To protect eyes from invisible laser beam during servicing DO NOT LOOK AT THE LASER BEAM 1 2 2 Laser Caution CAUTION Adjusting the knobs switches and controls etc or taking actions not specified herein may result in a harmful emission of laser beams This CD Changer must be adjusted and repaired only by qualified service personnel Laser symbol CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED AVOID EXPOSURE TO BEAM VORSICHTI UNSICHTBARE LASERSTRAHLUNG TRITT AUS WENN DECKEL GEOFFNET UND WENN SICHERHEITSVERRIEGELUNG uBERBRuCKT IST NICHT DEM STRAHL AUSSETZENI VARNING OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD OCH SPARR AR URKOPPLAD STRALEN AR FARLIG ADVARSEL USYNLIG LASERSTRALING VED ABNING NAR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION UNDGA UDSAETTELSE FOR STRALING CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT THIS IS COMPACT DISC PLAYER IS CLASSIFIED AS A CLASS 1 LASER PRODUCT THE LASS 1 LASER PRODUCT LABEL IS LOCATED ON THE REAR EXTERIOR 4 DSW 801SERVICE MANUAL 1 3 Precautions 1 3 1 ESD Precautions in Repairing 1 3 1 1 Do not apply excessive pres
10. purpose output controlled by the General purpose output controlled by the cpu o BM DM General purpose output controlled by the cpu USB V33 ls 3V analog periphery power supply EET PAD VRT 1 0 Capacitive load for internal band gap voltage generation USB V18 1 8v analog periphery power supply DSW 801SERVICE MANUAL Bottom wall s E RUNE TES input output monitored controlled by the cpu EL m om 0 monitored controlled by the CPU _ SF DI 00 Flash card interface unit output signal SF CK Flash card interface unit output signal 40 UP1 6 SCL Io purpose input monitored controlled by the cpu El UP1_7 SDA 1 0 General purpose input monitored controlled by the cpu RI TEST PRSTH AI O RESET PIN General purpose input output monitored controlled by the CPU can be used as an interrupt for the CPU INT1 m 1 o vo smriireimp data us ae o mmu T vo data bus e 9 INTENTO 7 L 7 Sd simt CIS ATAN e o ws 9 DSW 801SERVICE MANUAL Pro O tr O SOS Pr w o fi tr e Pre OO iene ar S Pre st tres Pra w o e fi sweetie inset rese secte Pr se fi on eb Pre w o e nt Au
11. sure on the mechanical parts moving pares including the Pickup Block as extremely high mechanical precision or required in these parts 1 3 1 2 When soldering the microprocessor signal processing IC s use a ceramic soldering iron or soldering iron whose metal part is grounded since they are not resistant to static electricity 1 3 1 3 When removing the solder or soldering the laser shorting lands for the Pickup Block use a ceramic soldering iron or a soldering iron whose metal part is grounded since the laser diode or not resistant to static electricity 1 3 2 DVD Loading Unit Precautions when handling the Mechanism Block 1 3 2 1 Do not loosen any screws in the Pickup Block 1 3 2 2 Do not adjust any screws in the Mechanism Block except for Tilt Adjust Screws as they are adjusted precisely at the factory 1 3 2 3 Replacement of the Pickup Block is impossible Always replace the Traverse Ass y when the Pickup Block needed to be replaced Do not touch the lens or lens holder of the Pickup Block 1 3 2 4 The Guide Rails of the Pickup Block are greased Take care when handing 1 3 2 5 When you try to slide the Pickup Block do not press or pull it directly Always turn the dive gears with your fingers 1 3 2 6 Be sure that the anti slipping rubber on the turntable or clean If there is dust or it is greasy clean the part with the liquid that contains 5096 each of alcohol and water 1 3 2 7 When removing
12. the Mechanism P C B Ass y you need to short circuit the laser diode shorting lands beforehand DSW 801SERVICE MANUAL 1 4 Software Upgrade You can upgrade DVD Player using the software we provide as following step Creating a software upgrade CD Use only a new CD R CD RW not an erased one Give the CD a name of your choice e g version and unit name Burn the unpacked documents on the CD R CD RW The root directory uppermost level of the software upgrade CD Attention If a failure should occur during the software upgrade e g a mains failure it may happen that the units function and a restart of the upgrade function are no longer possible If this should be the case you must replace the intergraded FLASH ICs with preprogrammed ICs see corresponding spare parts list Insert the upgrade CD see corresponding spare parts list and observe the hints the display and on the screen of the TV set Carry out an initialization of the set Displaying the Software Version Number Press one after the other the STOP and EJECT buttons on the unit Press the OSD with the remote control Using the cursor buttons on the remote control select the software version MICRO Version or CUSTOMER VERSION The respective software version number then is displayed DSW 801SERVICE MANUAL 2 Circuit Diagram and Component Layout 2 1 MPEG IC BLOCK Diagrams RFH OPINN RFG OPINP RF
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