JAMO DVR 50 Service Manual Download Page 50

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VR 50 - Re

. 011105-2

Components having special characteristics or critical for safety are

identifi ed by

mark and must be replaced with components

specifi ed by the manufacturer.

Schematic diagram is subject to change without notice.

Schematic diagram - PSU/AMP board 4/7

PWM-OA-3

PWM-OB-3

PVDDA-3

PVDDB-3

PVDDA-3

PVDDB-3

PVDDA-4

PVDDB-4

PWM-OA-3

PWM-OB-3

PWM-OA-4

PWM-OB-4

PVDDA-4

PVDDB-4

PWM-OA-4

PWM-OB-4

GATE-DRV-SUP

+25V

/SD-ERR

+3.3V

/VALID-3

PWM-M-3

PWM-P-3

/SD-ERR

+3.3V

/VALID-4

PWM-M-4

PWM-P-4

GATE-DRV-SUP

Layout Note: L360, L361, L362 and L363 is a
track in the PCB (1mm wide and 40mm long).

Left Surround Output Stage

Power supply filter

Left Surround Speaker Output

Right Surround Output Stage

Right Surround Speaker Output

C321
100nF

R322
13K

C385
10nF

L381
10uH

R341
1R0

U300

TAS5110DAD

PWM_BP

PWM_BM

RESET

PWDN

BIASB

BIASA

VRFILT

DVSS

DVDD

SHUTDOWN

ERR0

ERR1

PWM_AM

PWM_AP

PVDDA2

LDROUTA

BOOTSTRAPA

PVDDA1

OUTPUTA

PVSS

OUTPUTB

PVDDB1

BOOTSTRAPB

LDROUTB

PVDDB2

C342
470nF

L362
50nH

L340
10uH

R321
10R

C300
100pF

J340

C ON2

1
2

R324
1 R5

C307
100nF

R300
10R

C326
33nF

C304
33nF

C361
1000uF

R360
1R0

C383
100nF

R302
13K

C345
10nF

R323 13K

L341
10uH

C386
10nF

C301
100nF

C308
100nF

R301
10R

C322
100nF

C303
100nF

R325
1 R5

C325
100nF

R303 13K

C384
100nF

C346
10nF

L363
50nH

C343
100nF

R380
1R0

L361
50nH

J380

C ON2

1
2

R304
1 R5

C327
100nF

C306
33nF

C324
33nF

C362
1nF

U320

TAS5110DAD

PWM_BP

PWM_BM

RESET

PWDN

BIASB

BIASA

VRFILT

DVSS

DVDD

SHUTDOWN

ERR0

ERR1

PWM_AM

PWM_AP

PVDDA2

LDROUTA

BOOTSTRAPA

PVDDA1

OUTPUTA

PVSS

OUTPUTB

PVDDB1

BOOTSTRAPB

LDROUTB

PVDDB2

C320
100pF

C382
470nF

L360
50nH

L380
10uH

R320
10R

R340
1R0

C344
100nF

R305
1 R5

R382
1R0

C328
100nF

C360
1000uF

C302
100nF

C323
100nF

C305
100nF

C363
10nF

Summary of Contents for DVR 50

Page 1: ...rtening the product life or and failure of the product to perform as specified For these reasons Jamo strongly advice product owners that all service required should be performed by an authorized Jamo...

Page 2: ...all parts which have been overheated or damaged by the short circuit After servicing see to it that all the protective devices such as insulation barriers insulation papers shields are properly insta...

Page 3: ...ectronic assembly equipped with ES devices place the assembly on a conductive surface to prevent ESD buildup or exposure of the assembly Use only a grounded soldering iron to solder or unsolder any se...

Page 4: ...This is to avoid times consuming misunderstandings and extra shipments DVR 50 Serial No On all DVR 50 units you will find a Serial number on the rear panel Fig 44 0401 8 The number is made up of tree...

Page 5: ...RatedOutput6Ohm1Khz10 2 x 50 50 2 x 50 RatedOutput6Ohm1Khz1 2 x 35 35 2 x 35 TuningRange 87 5 108 0Mhz 522 1611 kHz RadioSNRatio 70dB DiscFormats CD CD R CD RW DVD Video DVR R DVD RW DVD R DVD RW Vide...

Page 6: ...6 DVR 50 Rev 011105 2 DVR 50 diassembly...

Page 7: ...output 5 Composite video output 6 S Video output 7 Analog audio output 8 TV analog input 9 Video analog input 10 Auxiliary analog input 11 Subwoofer output 12 Optical audio input 13 Coaxial audio inpu...

Page 8: ...8 DVR 50 Rev 011105 2 DVR 50 Block diagram...

Page 9: ...ith other discs Discard the bad discs Replace the LOADER module Audio faults Front speakers Left Right Center speaker SUR speakers Left Right Copy protection Bad internal cable connections Defective A...

Page 10: ...ant notes Note 1 If washers is present Be careful not to loose any of the isolation washers when removing the board There must be two plastic washers between the Audio board and the PSU heat sink See...

Page 11: ...DATA1 AMP_DATA2 AMP_DATA3 S PDIF Transmitter S PDIF_TX SCH 3 3V 5V RESET GND DIT_LRCLK DIT_DATA DIT_SCLK DIT_MCLK DIT_SPDIF Audio Power Supply Connector PSU_CON SCH GNDR AMP_MCLK AMP_SCLK AMP_LRCLK AM...

Page 12: ...C316 100nF R318 120R R306 100K L301 BEAD R325 0R0 C312 1uF 50V R328 0R0 C314 10uF 16V R311 100K C307 10uF 16V R303 100K Z301 BZX84 C4V7 R307 100K R317 120R C301 100nF C306 10nF R312 150R C308 100nF U3...

Page 13: ...3V RESET DAC_SCLK A_RESET A_GND Connection between analog and digital ground is done here R406 3K3 R408 10K C407 1uF 50V R405 560R Q402 2N3906 R410 3K3 C405 10uF 16V R409 10K C410 100nF Q403 2N3904 R...

Page 14: ...4 10 14 3 3VA 3 3VD 3 3VD 3 3VD 3 3VA 3 3V CLK_SEL GND MCLK HI_MCLK U902A 74HC74 D 2 CLK 3 Q 5 Q 6 S 4 R 1 C905 100nF U901A 74HC00 3 1 2 X901 Not Mounted R907 Not Mounted R901 1M C901 10pF U901E 74HC...

Page 15: ...ded A capacitor pair 1uF and 0 1uF must be placed at each power pin C509 100nF R512 10K C511 100nF C503 1uF 50V C502 100nF R525 33R U502A 74HC74 D 2 CLK 3 Q 5 Q 6 S 4 R 1 R501 4K7 R530 3K3 R524 33R C5...

Page 16: ...MCLKI 9 TEST 10 MICROCLK_DIV 11 I2C_SDA 12 I2C_SCL 13 SDIN1 14 SDIN2 15 SDIN3 16 SDIN4 17 GPIO0 18 GPIO1 19 GPIO2 20 GPIO3 21 PLL0 22 PLL1 23 CS0 24 CS1 25 RST 26 I2CM_S 27 DVSS 28 DVDD_CAP 29 SDOUT1...

Page 17: ...ufacturer Schematic diagram is subject to change without notice 1 2 3 4 5 A B C D E F Schematic diagram Audio board 7 10 17 12VR 12VR VCC5V GNDR 12V 12V 2 5V 3 3V 5V GND Z802 AMS117 VIN 3 VOUT 2 ADJ 1...

Page 18: ...uld be returned directly to AGND of U1 I2C Adress 0010 AD2 AD1 AD0 U102B NC7SZ125M5 5 3 L103 BEAD R106 47K C110 220nF C114 10nF R105 33R L102 BEAD C104 10uF 16V R104 33R R102 1K R108 Not Mounted U101...

Page 19: ...5V RESET DIT_LRCLK DIT_SCLK DIT_DATA DIT_MCLK GND Audio Orig Bit U Bit V Bit C Bit C201 10uF 16V R207 Not Mounted R204 0R0 C206 1nF C204 10uF 16V R208 0R0 R203 Not Mounted C202 100nF L201 BEAD U201 C...

Page 20: ...DIF_ERR_SENSE TUN_L HI_MCLK DVD_SPDIF TUN_R A_GND Audio Signal Connector Digital ground Analog ground L026 L039 L021 L034 L023 C005 100pF C004 100pF C002 100pF L041 L040 U001G 74HC14 13 12 L027 L037 L...

Page 21: ...T23 1 ANYBODY FOLLOWING SPEC D1 4 D501 503 Diode Dual BAV99 FDSO1203 SOT 23 7 BAV99LT1 MOTOROLA SEMICONDUCTORS INC D1 4 D501 503 Diode Dual BAV99 FDSO1203 SOT 23 7 BAV99 Philips Semicondutors D1 4 D50...

Page 22: ...utors C514 Cap Cer 10 0603 220pF X7R 50V 1 Cap Cer 10 0603 220pF X7R 50V ANYBODY FOLLOWING SPEC C110 Cap Cer 10 0603 220nF 50V 1 CL10B224KBNB SAMSUNG ELECTRONICS C6 C16 C102 C105 C107 C116 C202 C205 C...

Page 23: ...all screwdriver See picture Mount the new VFD board in the Plastic Front If the VFD board was glued clean the board and glue the VFD board using a small amount LOCTITE Note Be careful not to remove th...

Page 24: ...cial characteristics or critical for safety are identified by mark and must be replaced with components specified by the manufacturer 1 2 3 4 5 A B C D E F Schematic diagram VFD board 1 1 24 Schematic...

Page 25: ...e should be taken when refitting it after service The sliced cables are only seen on Rev 2 boards See picture 44 0401 4 Board revision numbers All electronic modules are labeled with a part number At...

Page 26: ...upling EM8500 Sys SDRAM Flash Video Out Scart 09 Audio In HDTV Conn EM8500 MPEG SDRAM UART 1 IDE DVD LOADER Debug UARTs Debug Flash Emulator EM8500 PWR 3 3V 1 8V IDE Connector Video DACs SDRAM EEPROM...

Page 27: ...20 HIROSE DF3 10P 2H 20 HIROSE 74HC04 U11B 3 4 7 14 74HC04 U11D 9 8 7 14 C102 10uF 16V L24 BEAD L21 Not Mounted C2000 0 1uF 1 2 R71 10K L23 BEAD C2003 0 1uF 1 2 C66 100pF L46 BEAD J14 HDR1x2 1 2 C51 1...

Page 28: ...8 Not Mounted R335 00 R336 00 R67 10K RP4 4x10K 1 8 2 3 4 7 6 5 RP3 4x10K 1 8 2 3 4 7 6 5 J1 HDR1x3 1 2 3 R602 3K3 24C0x U2 A0 1 A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 VCC 8 R68 10K T118 1 T119 1 T120 1 T12...

Page 29: ...0 1uF 1 2 C 31 0 1uF C6 27pF 1 2 L1 BEAD 1 2 C5 27pF 1 2 R9 82 C 16 10uF 16V C 56 0 1uF C 12 0 1uF C 57 0 1uF PLLs OSC VIDEO DACs U1C EM8500 AVDD_D_33 G4 AVDD_C_33 H5 AVVD_Y_33 H2 AVDD_U_33 G2 AVDD_V_...

Page 30: ...S_FL_WE SYS_FL_RDY A20 Vcc3V3 Vcc3V3 Vcc3V3 SYS_MD 31 0 SYS_FL_CS SYS_SD_WE SYS_FL_WE SYS_FL_RDY RESET SYS_MA 20 0 Title Size Document Number R e Sigma Designs 355 FairView Way Milpitas CA 95035 Refer...

Page 31: ...ART1_DSR J_UART1_RTS J_UART1_RXD J_UART1_RI J_UART1_DTR J_UART1_TXD no DVI Reserved 6 Ch SCART Europe 2 Ch I2S OUT ID RP25 4x10K 1 2 3 4 5 6 7 8 R96 10K U1D EM8500 MM_ADD_11 BA P2 MM_ADD_10 T1 MM_ADD_...

Page 32: ...D3 IDE_PD4 IDE_PD5 IDE_PD6 IDE_PD7 IDE_PD8 IDE_PD9 IDE_PD10 IDE_PD11 IDE_PD12 IDE_PD13 IDE_PD14 IDE_PD15 IDE_PA1 IDE_PA2 IDE_RDY IDE_DACK IDE_DMARQ IDE_DIOR IDE_IRQ Vcc3V3 Vcc12V Vcc3V3 Vcc3V3 IDE_PD...

Page 33: ...CONFIDENTIAL For VGA output Optional By pass filter for VGA output Optional By pass Mux U39 No Stuff for Single termination Alternate HDTV S VIDEO BSS138 BSS138 BSS138 DATA CLKOUT D17 Dual 2 3 1 74LC...

Page 34: ...nce designs 23 000703 01 Audio In Audio Out HDTV B 9 16 Tuesday July 15 2003 DVDReceiver EM8500 CONFIDENTIA ANALOG AUDIO OUT S Video Composite Component GREEN BLUE RED R347 4K7 C218 330pF C217 1nF J42...

Page 35: ...e mounted ground clip New Pad for a PCB edge mounted ground clip in the corner of the PCB Connect SCART Ground plane here L109 BEAD L53 BEAD J38 PAD 1 C107 100pF L49 BEAD J39 PAD 1 C110 100pF L54 BEAD...

Page 36: ..._CD U1_RI J_UART1_CTS J_UART1_DSR J_UART1_RI J_UART1_CD J_UART1_TXD J_UART1_RXD J_UART1_RTS J_UART1_DTR Vcc5V Vcc5V Vcc5V J_UART1_TXD J_UART1_RTS J_UART1_RXD J_UART1_CD J_UART1_CTS J_UART1_DSR J_UART1...

Page 37: ...MA17 SYS_MA18 SYS_MA19 SYS_MA0 SYS_MA1 SYS_MA2 SYS_MA3 SYS_MA4 SYS_MA5 SYS_MA6 SYS_MA7 SYS_MA10 SYS_MA11 SYS_MA12 SYS_MA13 SYS_MA14 SYS_MA15 SYS_MA20 SYS_MA8 SYS_MA9 Vcc5V Vcc3V3 Vcc3V3 Vcc3V3 Vcc3V3...

Page 38: ...Interface 1 From Tuner Interface Neltron P N 1224SM 24 30 PCB to FFC FPC Connector PIO1_7 PIO1_8 L2001 BEAD C196 Not Mounted C195 Not Mounted L77 BEAD L76 BEAD L2002 BEAD C194 100pF C193 100pF C188 No...

Page 39: ...terface 2 FROM SCART RCA TV INPUT Neltron P N 1224SM 24 30 PCB to FFC FPC Connector Place these components close to J35 Downmix Output Page 9 Place filter components near DSP2 interface L506 BEAD C230...

Page 40: ...49 100pF C250 100pF U47C 74LCX125 B3 12 O3 11 A3 13 VDD 14 GND 7 U47A 74LCX125 B3 2 O3 3 A3 1 VDD 14 GND 7 D37 Dual 2 3 1 D34 Dual 2 3 1 R340 4R7 C242 100pF L98 BEAD C241 100pF D33 Dual 2 3 1 U51B 74L...

Page 41: ...s CA 95035 Reference designs DVDReceiver EM8500 CONFIDENTIAL Watchdog Timer PIC16F630 HDR1x4 D41 Dual 2 3 1 C2005 0 1uF 1 2 74AC04 U48E 11 10 7 14 C256 0 1uF Z3 AMS1117 Adj GND 1 OUT 2 VIN 3 4 4 C2006...

Page 42: ...td Logic Hex Inverter 74AC04 SOIC14 2 74AC04SC Fairchild U40 Std Logic QUAD Buffer 74ACT125SC SOIC14 1 74ACT125SC Fairchild U21 U37 U47 U49 51 Std Logic 74LCX125 TSSOP14 6 74LCX125MTC Fairchild U21 U3...

Page 43: ...Res 5 0603 1 5K ohm 1 R1608 1 5K Philips Semicondutors R11 Res 5 0603 1 5K ohm 1 ANYBODY FOLLOWING SPEC R601 602 Res 5 0603 3 3K ohm 2 ANYBODY FOLLOWING SPEC R601 602 Res 5 0603 3 3K ohm 2 R1608 3 3K...

Page 44: ...8uH 1210 4 WI322522 1R8K Machrone L5 L7 L11 12 Induct RF 10 1 8uH 1210 4 ANYBODY FOLLOWING SPEC L5 L7 L11 12 Induct RF 10 1 8uH 1210 4 ELJ JNA1R8JF PANASONIC J40 Connector SMD 6pin 2 0MM Pitch Right...

Page 45: ...e Make sure that it is the right type of tuner EU US Reconnect the tuner cable Note The tuner cable and connectors have only one connect surface If this contact surface is not orientated correctly in...

Page 46: ...e sesitive SMD components Especially sensitive are C222 C223 C224 and C225 located in the RF output circuit as well as C 324 C326 and C327 located in the RS output circuit Of the same reason are the s...

Page 47: ...chematic diagram PSU AMP board 1 7 47 Components having special characteristics or critical for safety are identified by mark and must be replaced with components specified by the manufacturer Schemat...

Page 48: ...chematic diagram PSU AMP board 2 7 48 Components having special characteristics or critical for safety are identified by mark and must be replaced with components specified by the manufacturer Schemat...

Page 49: ...0 CON2 1 2 C226 33nF C260 1000uF C243 100nF C203 100nF R202 13K R280 1R0 L260 50nH C284 100nF R225 1R5 L240 10uH C200 100pF C222 100nF C261 1000uF C244 100nF C206 33nF R203 13K C262 1nF C225 100nF R28...

Page 50: ...SS 8 DVSS 9 DVSS 10 DVDD 11 SHUTDOWN 12 ERR0 13 ERR1 14 PWM_AM 15 PWM_AP 16 PVDDA2 17 LDROUTA 18 BOOTSTRAPA 19 PVDDA1 20 PVDDA1 21 OUTPUTA 22 OUTPUTA 23 PVSS 24 PVSS 25 OUTPUTB 26 OUTPUTB 27 PVDDB1 28...

Page 51: ...F Q101 2N3904 R405 1R5 C405 100nF R111 10K R440 1R0 C444 100nF U110 LCX125 1OE 1 1A 2 1Y 3 2OE 4 2A 5 2Y 6 GND 7 3Y 8 3A 9 3OE 10 4Y 11 4A 12 4OE 13 Vcc 14 C113 47nF L460 50nH C116 100nF U111B LM833 5...

Page 52: ...ground plane here R004 1R0 C004 4 7nF C001 220nF R007 4K7 R002 0R0 C003 10uF R011 4K7 R009 4K7 U3 TAS5026 NC 1 MCLK_IN 2 AVDD_OSC 64 AVDD_PLL 3 AVSS_OSC 61 AVSS_PLL 6 CLIP 18 CS0 15 DBSPD 17 DM_SEL1 2...

Page 53: ...components at the start of the 25V power supply line Rev D 12V is now used to supply the subwoofer opamp Revision history C052 10uF R053 1R0 C5 DSP Interface 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17...

Page 54: ...The loader must be mounted as far back in the DVR 50 units as possible Reconnect the loader 44 0399 8 9 10 11 Remount the Plastic front Test the DVR 50 unit NOTE On early DVR 50 units the loader can...

Page 55: ...55 DVR 50 Rev 011105 2 How to take of 1802 loader front panel 1 2 3 4 5 6 7...

Page 56: ...56 DVR 50 Rev 011105 2 DVR 50 Remote control Ref No Item No Part description PCS Remarks 1 74122 Remote control DVR 50 1 Standart model...

Page 57: ...sides of the Lid out and open the DVR 50 unit 44 0402 2 The fore end of the lid is connected to the Plastic Front by two plastic loops Gently open the lid and remove 44 0402 1 Note Iftheangelofthelidg...

Page 58: ...the boards in the reverse order of disassembling the DVR 50 units Test the DVR 50 unit Fig 44 0396 7 Fig 44 0398 4 Ref No Item No Part description PCS Remarks 1 74108 Chassis Sub assy w feet DVR 50 1...

Page 59: ...e the Plastic Front by un clicking it 44 0399 2 Disconnect the two cables to the VFD board Unscrew the VFD board from the plastic Front On some units the VFD board is glued Gently break the glue using...

Page 60: ...from the AC outlet and take all necessary ESD precaution Remove the Lid See instruction under Lid Remove the Tuner See instruction under Tuner Remove all the screws on the rear panel See under system...

Page 61: ...ed turn OFF the Mains power This will leave the loader tray out of the DVR 50 Gently pull or slide the Plastic Part upwards The Plastic Part should now come off with a click Note If the Plastic Part a...

Page 62: ...Cable 190MM 6P Main VFD 2 0 2 0MM DP450 DVR 50 5 4 74116 Cable Harness 6p Pitch 2 0 2 54 DVR 50 5 5 74117 Cable Harness 10p Pitch 2 0 2 54 DVR 50 5 6 74118 Cable Harness 13P 60MM 1 25MM pitch type D...

Page 63: ...Low terminal Violet Connected to High terminal Bi wiring Yellow Connected to High terminal Bi wiring White Connected to tweeter Grey Connected to tweeter Green Connected to midrange Blue Connected to...

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JAMO DVR 50, Service Manual

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