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Loewe Individual Sound Projector, Service Manual

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Summary of Contents for Individual Sound Projector

Page 1: ...LEITUNG SOUND PROJECTOR Service Manual Manuel de Service Manuale di Servizio Instrucciones de servicio Service instructies 230 98287 007 INDIVIDUAL SOUND PROJECTOR LOEWE INDIVIDUAL SOUND PROJECTOR Art...

Page 2: ...13 UPDATING FIRMWARE 14 24 SELF DIAGNOSIS FUNCTION DIAG 25 42 DISPLAY DATA 43 IC DATA 44 45 BLOCK DIAGRAMS 46 47 PRINTED CIRCUIT BOARDS 48 57 PIN CONNECTION DIAGRAM 58 SCHEMATIC DIAGRAMS 60 70 EXPLOD...

Page 3: ...e replaced with parts having specifications equal to those originally installed 2 Leakage Current Measurement For 120V Models Only When service has been completed it is imperative to verify that all e...

Page 4: ...SP 1 3 FRONT VIEW REAR VIEW...

Page 5: ...nly for specialist staff Sound field programme Sport page 22 Sound field programme off page 22 Loewe TV Function depending on model Sound on off LED indicator for current operating mode Switch over to...

Page 6: ...in RS 232C Output IR out pass through General Power Supply U C models AC 120 V 60 Hz T model AC 220 V 50 Hz K model AC 220 V 60 Hz A model AC 240 V 50 Hz B G E models AC 230 V 50 Hz L model AC 220 24...

Page 7: ...to 95 5 step 5 TV VIDEO DVD AUX U C T K A B G E L V models DVD AUX J model DVD AUX U C T K A B G E L V models DVD AUX J model TV VCR U C T K A B G E L V models TV VCR J model DVD AUX U C T K A B G E...

Page 8: ...ake sure that all the removed driver tweeter parts are reinstalled at specified positions SERVICE PRECAUTIONS Safety measures Some internal parts in this product contain high voltages and are dangerou...

Page 9: ...2 3 3 3 3 3 3 3 Rear panel 1 Removal of Top Panels and Plate Top a Remove 8 screws 1 Fig 1 b Remove 2 top panels c Remove 2 screws 2 Fig 1 d Remove the plate top 1 1 1 1 2 Top panel Top panel Plate t...

Page 10: ...e shield unit removed from the unit does not work because its grounding is loose Be sure to connect the ground of the shield unit to the chassis or GND with a ground lead or the like Fig A Reconnect a...

Page 11: ...C B 4 Removal of DSP P C B AMP L and R P C B s a Remove 4 screws 0 Fig 5 b Remove CB6 CB7 CB8 and CB9 Fig 5 c Remove DSP P C B d Remove 8 screws A Fig 5 e Remove CB507 CB509 CB510 CB511 CB512 CB707 CB...

Page 12: ...material d Remove 2 screws piece marked I Fig 10 e Remove the driver tweeter 7 6 OPERATION 1 3 4 P C B 6 Removal of OPERATION 1 3 and 4 P C B s a Remove 6 screws E Fig 7 b Remove CB1 Fig 7 c Remove t...

Page 13: ...1 A3 B3 C2 A4 B4 C3 A5 B5 C4 A6 B6 C5 A7 B7 C6 A8 B8 C7 A9 B9 C8 A10 B10 C9 A11 B11 C10 A12 B12 C11 A13 B13 A14 B14 A15 Rear view Rch side Lch side CB510 CB512 CB511 CB709 CB710 CB509 CB711 CB712 Lch...

Page 14: ...ove 18 screws L Fig 11 g Remove the front grille h Remove 16 screws M Black color model Fig 11 i Remove the grille ass y Black color model j Remove 8 screws N Fig 11 k Remove the driver woofer 8 Fig 1...

Page 15: ...he task tray closed as well UPDATING FIRMWARE After replacing the following parts with the replacement parts update the firmware IC11 of P C B ASS Y DSP X8046B00 Writing of DSP IC17 of P C B ASS Y DSP...

Page 16: ...en RS232C ports with the RS232C cable cross cable Fig 1 Fig 2 Bottom view Reset switch Fig 1 Bottom view RS 232C port RS 232C cable Reset switch 3 While pressing the reset switch of YSP 1100 connect t...

Page 17: ...S 232C RS 232C Press this button to open the window Select the firmware The port selection varies depending on OS of the PC Windows 98 2000 Me COM1 4 Windows XP COM1 2 As no port other than the above...

Page 18: ...exe into the PC 2 Before turning on the power to YSP 1100 and PC con nect between RS232C ports with the RS232C cable cross cable Fig 1 7 When the program transmission is completed the screen appears a...

Page 19: ...t of RS 232C The port selection varies depending on OS of the PC Windows 98 2000 Me COM1 4 Windows XP COM1 2 As no port other than the above can be used se lect the port using the setting of the PC Se...

Page 20: ...and VOL key of the YSP 1100 press the STANDBY ON key of the re mote control to activate the DIAG function 1 Using the UP or DOWN key of the remote control select the DIAG menu in the figure below 2 U...

Page 21: ...ing successfully the value of SUM from SET is appeared The procedure is completed when the value is obtained for SUM from FILE and SUM from SET Confirm the value of SUM SUM 10 Press the STANDBY ON key...

Page 22: ...1100 to the AC outlet While pressing the VOL key and VOL key of the YSP 1100 press the STANDBY ON key of the remote control to activate the DIAG function 1 Using the UP or DOWN key of the remote cont...

Page 23: ...OM Port D load Protocol SPM Press this button to open the window Select the firmware 1 Press the button beside the Source Filename box And select the firmware DSP APPLICATION ysp2app_YSP2 0_xxxxx_ hex...

Page 24: ...Software Target Confirm Software Target Software Target When Source Filename is selected Software Target box is selected automatically If Software Target is different confirm again Source Filename or...

Page 25: ...e RETURN key of the remote control make a change as shown below 2 Using the LEFT or RIGHT key of the remote control select the DIAG sub menu in the figure below Change 1Ltd to YAMAHA 1Ltd YAMAHA 7 Pre...

Page 26: ...4 FRONT R 5 SURROUND R 6 SURROUND L 7 LFE 1 PRO LOGIC I 2 PRO LOGIC II 3 NEO 6 1 MIC CHECK 1 VFD CHECK Initial display 2 VFD DISP OFF All segments OFF 3 VFD DISP ALL All segments ON 100 4 VFD DIMMER...

Page 27: ...23 25 Y 11 26 Y 12 27 Y 21 28 Y 22 29 Y 31 30 Y 32 31 MTT 1 MODEL SETTING 2 DESTINATION 3 VIDEO FORMAT 1 VERSION DSP ALL 2 SUM ALL BOOT 1 MAIN 2 SUB 3 SUB 2 4 SUB 3 5 PROTECT 6 REMOTE CONTROL CODE 1...

Page 28: ...n the figure above At this time keep pressing those two keys for 3 seconds or longer In this mode the SLEEP segment of the FL display of the main unit flashes to indicate that the mode is DIAG mode wi...

Page 29: ...abet and the DIAG menu sub menu THR ALL of DIAG menu No 1 DSP THROUGH a few seconds later Opening message After a few seconds Version 1 alphabet When there is no history of protection function DIAGNOS...

Page 30: ...noted while servicing the unit an abnormality which has occurred previously can be defined as long as the backup data has been stored The history of the protection function is cleared when DIAG is can...

Page 31: ...UND R Delay of each channel processed at DSP 1 is invalid DSP THR SURROUND R SURROUND R output SWFR is output through SURROUND R only but not in digital full bit DSP THR FRONT R FRONT R output SWFR is...

Page 32: ...beam DD dts AAC multi DIR TI DSP 1 Ti DSP 2 YSS 930 1 DAC DAC OPT1 OPT2 COAX Analog1 Analog2 MIC ADC YSS 930 2 YSS 930 3 L R L R L L L R L R L LFC L BASS SWFR WFL WFR LFC TXn beam TXn beam TXn beam P...

Page 33: ...ut through SURROUND L only but not in digital full bit RAM THR SURROUND L RAM THR LFE LFE output RAM THR LFE RAM THR FRONT L FRONT L output SWFR is output through FRONT L only but not in digital full...

Page 34: ...alog Ti DSP 2 L R SL SR C LFE L R SL SR C LFC DIR TI DSP 1 YSS 930 1 DAC DAC OPT1 OPT2 COAX Analog1 Analog2 MIC ADC YSS 930 2 YSS 930 3 LFE BASS SWFR WFL WFR LFC TXn beam TXn beam TXn beam DD dts AAC...

Page 35: ...3 PRO LOGIC NEO6 PRO LOGIC I II Neo 6 can be selected from the sub menu items PRO LOGIC I PRO LOGIC EMULATION 3 PRO LOGIC NEO6 PRO LOGIC I PRO LOGIC EMULATION DIR TI DSP 1 Ti DSP 2 YSS 930 1 DAC DAC O...

Page 36: ...ted 5 DISPLAY CHECK This program is used to check the FL display section The display condition varies as shown below according to the sub menu operation The signals are processed using EFFECT OFF The...

Page 37: ...UAL TEST HARD FLOW This sub menu is used to check operation of the flow port of the hardware OK appears when the check result is satisfactory and NG when it is not Hard Flow 7 RS 232C This menu is use...

Page 38: ...CK PS Power supply voltage protection detection PS Power supply voltage protection value Normal value PS 50 to 88 If PS is out of the normal value range the protection function works to turn off the p...

Page 39: ...tatus information of the input signal IEC60958 BS1 7 Indicates information of the bit stream included in the dts and AAC signal MTT Mute Trigger CS1 6 BS1 7 MTT 1st byte 5th byte 4th byte 3rd byte 2nd...

Page 40: ...bits for each pro gram area and expressing the result as a 4 figure hexa decimal data Numeric values in the figure example are for reference 12 Version Checksum 11 MODEL The information on the model d...

Page 41: ...values in the figure example are for refer ence 13 DATE PROTECT HISTORY DELETE Reserve Cancel can be selected by using the ENTER and RETURN keys of the remote control REMOTE CONTROL CODE DISPLAY The...

Page 42: ...of IF with FLASH ROM detected FLASH ROM Error other than above detected Function not applicable Display Not Checked Wait No Error Err DSP Err SRAM Err FLASH Err Unknown reserved Description Self diag...

Page 43: ...of SPID is displayed SPID is the abbreviation for the Sound Projector Module Initialization Data Format SPD VR1 Not applied to this model VR1 T1 Write Select OFF ON of firmware writing Keep OFF selec...

Page 44: ...1 F1 F2 Filament 2 NP No pin 3 NX No extened Pin 4 1G 15G Grid 1G 14G 15G 1 1 2 1 3 1 4 1 5 1 1 2 2 2 3 2 4 2 5 2 1 3 2 3 3 3 4 3 5 3 1 4 2 4 3 4 4 4 5 4 1 5 2 5 3 5 4 5 5 5 1 6 2 6 3 6 4 6 5 6 1 7 2...

Page 45: ...43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 P0_0 AN0_0 D0 P0_1 AN0_1...

Page 46: ...o back end DSP I2C DATA signal to back end DSP RS 232C data output for com flash writing RS 232C data input for com flash writing RS 232C clock output for com flash writing RS 232C BUSY output for com...

Page 47: ...BWCK 2 TIBSDO4 IC20 3 L CH DRIVER TWEETER x20 37 YCBCK IC23 91 38 YCWCK 90 27 YCSD00 99 28 YCSD01 98 29 YCSD02 IC715 97 30 YCSD03 10 11 IC2 IC9 IC26 92 31 YCSD04 1 1 8 32 YCSD05 14 15 49 4 IC10 6 IC1...

Page 48: ...4 C535 C556 C557 C502 D503 Q501 AC IN IC502 IC501 T501 IC503 D507 5V 5VA MGND 12V 12B 12A 12V AGND AGND AGND 24V POW_RY S3 3 S3 3BK GND PW_DOWN RESET RESET CIRCUIT Q502 Q504 1 14 3 5 4 6 11 SWITCHING...

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Page 53: ...P6R N6R P5L N5L P5R N5R P8L N8L P8R N8R P7L N7L P7R N7R P9L N9L P9R N9R N0R P0R N0L P0L N1R P1R N1L P1L N2R P2R N2L P2L N3R P3R N3L P3L N4R P4R N4L P4L DRIVER WOOFER DRIVER x 5 TWEETER DRIVER x 5 TWE...

Page 54: ...SP CB9 P6L N6L P6R N6R P5L N5L P5R N5R P8L N8L DRIVER x 5 TWEETER DRIVER x 5 TWEETER P8R N8R P7L N7L P7R N7R P9L N9L P9R N9R DRIVER x 5 TWEETER N0R P0R N0L P0L N1R P1R N1L P1L N2R P2R DRIVER x 5 TWEET...

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Page 59: ...5 1 10 20 16 8 1 WM8738 14 7 1 W9864G6EH 7 54 1 28 27 W9816G6CH 7 50 1 26 25 FA3641N H1 TE1 NJM431 8 4 1 8 4 1 3 CATHODE 2 ANODE 1 REF BA7611AF 1 4 8 M62782GP NJM2716F 1 3 4 5 NJM2585M NJM2257M 16 8...

Page 60: ...SP 1 MEMO MEMO MEMO MEMO 59...

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Page 64: ...3 32 IC4 LC89057W VF4D E Digital audio interface transceiver Pin Multiplexing EMIF32 L1P Cache Direct Mapped 4K Bytes Total Digital Signal Processors L1D Cache 2 Way Set Associative 4K Bytes Total Clo...

Page 65: ...1 5 2 5 1 0 2 6 5 2 0 0 0 0 0 2 5 5 2 0 1 0 1 0 2 5 2 5 3 2 2 6 2 3 5 2 0 1 0 1 5 2 5 1 0 2 6 5 2 0 0 0 0 0 2 5 5 2 0 1 0 1 0 2 5 2 5 3 2 2 6 2 3 5 2 0 1 0 1 5 2 5 1 0 2 6 5 2 0 0 0 0 0 2 5 5 2 0 2 0...

Page 66: ...0 2 5 2 5 5 2 5 2 5 2 5 1 2 5 2 6 2 6 2 3 3 2 0 0 0 0 5 2 0 1 0 1 0 1 0 1 0 0 0 2 5 2 5 5 2 5 2 5 2 5 1 2 5 2 6 2 6 2 3 3 2 0 0 0 0 5 2 0 1 0 1 0 1 0 1 0 0 0 2 5 2 5 5 2 5 2 5 2 5 1 2 5 2 6 2 6 2 3 3...

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Page 68: ...A 1 67...

Page 69: ...I2 YIN AVSS2 CIN AVCC2 COUT AVSS1 VOUT AVCC1 VIN TESTI1 13 14 15 16 17 18 19 20 21 22 23 24 FLDO SYNCST CS SCLK SIN BUSY XD EXD VSS VCC PO0 PO1 MB90050 VOUT YOUT COUT PO3 PO2 PO1 PO0 SIN SCLK CS VIN Y...

Page 70: ...69...

Page 71: ...ss 5 Vp 64 XIN 7 3 4 RESET 1 P35 44 9 P1 P9 17 19 P10 Segment output circuit Display code RAM 8 bit x 60 CGROM 35 bit x 166 CGROM 35 bit x 16 code select Code write Code command control circuit G1 63...

Page 72: ...5 2 103 2 103 2 103 2 103 205 164 163 215 205 203 213 213 213 124 125 124 163 213 213 213 213 212 212 212 212 216 216 3 11 3 21 182 174 138 122 123 177 15 131 131 137 203 203 203 203 203 203 201 203 2...

Page 73: ...B A C D E F G H I J K L B A C D E F G H I J K L 2 1 3 4 5 6 7 8 9 2 1 3 4 5 6 7 8 9 PACKING PARTS 67201T00 67201W00 402 1 pair 403 1 pair 401 430 Top Front 408 Front Top...

Page 74: ...SP 1 73 PACKING ASSY 41 20 40...

Page 75: ...SP 1 74 WIRING Connecting to Loewe TV sets with RS 232C system interface...

Page 76: ...SP 1 75 WIRING Connecting to Loewe TV sets without RS 232C system interface...

Page 77: ...SP 1 76 WIRING Connecting the accessories...

Page 78: ...SP 1 77...

Page 79: ...SP 1 78...

Page 80: ...SP 1 79...

Page 81: ...ator LED AV_POWER TV_POWER 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 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 DVD A...

Page 82: ...SOUND PROJECTOR LOEWE...

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