Onkyo DR-L50 Service Manual
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SERVICE MANUAL

DVD RECEIVER
DR-L50
MODEL
PROGRESSIVE SCAN
Theater-Dimensional
IPM
Titanium color models
UDS4P, UDT3P
120V AC, 60Hz
UGT3P, UGR6P
220-230V AC, 50/60Hz
UPP2P, UPA4P
230-240V AC, 50Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
www.denom.com
Ref. No. 3744
MODE
ON
RECEIVER
STANDBY
INPUT SELECTOR
LAST M
COND.M
1
2
SP SETUP
TEST TONE
AUDIO
ANGLE
4
5
SW MODE
DISTANCE
LATE NIGHT
T-D/ ST
7
8
IPM
T-D SETUP
RANDOM
+10
0
--/---
TOP MENU
TV VOL
TV
POWER
TV CH -
RETURN
TV MUTING
TV VOL -
REPEAT
A-B
TUNING
MODE
SLEEP
DIMMER
MUTING
RC-505M
ON THE
DR-L50
082002
TV/ SETUP
TV/ SETUP
ACOUSTIC
CONTROL
SEARCH
FUNC.M
3
CH SEL
PROGRAM
SUBTITLE
6
UP
CLEAR
SURROUND
9
9
DOWN
TIMER
SHIFT
+
MENU
TV
INPUT
+
TV CH
DVD
SETUP
STEP/ SLOW
TUNER PRESET
MD / CDR / TAPE
DISPLAY
CLOCK
VOLUME

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Summary of Contents for Onkyo DR-L50

  • Page 1: Service Manual

    COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE...
  • Page 2: Specifications

    DR-L50 SPECIFICATIONS AMPLIFIER SECTION All channels 25 watts per channel min. Damping Factor 40 at 8 ohms Power Output (FTC) RMS. into 6 ohms two channel driven, Input Sensitivity and Impedance 1,000 Hz with no more than 10% total –21 to –15 dBm DIGITAL OPTICAL IN harmonic distortion.
  • Page 3: Exploded View

    DR-L50 A069 A069 EXPLODED VIEW A067 A019 A073 A017 A065 A069 A019 A023 A019 A019 A019 A057 A105 A103 A044 A103 A019 A019 A045 A069 A033 A017 A103 F9501 A019 A101 A015 P1001 A027 A017 A016 A019 A019 A029 A039...
  • Page 4: Parts List

    DR-L50 EXPLODED VIEWS OF MECHANISM-1 DVD MECHANISM:DB-VLD304 Refer to "EXPLODED VIEWS OF MECHANISM-2" Daifree GEM1036 To DVDM CN151 Lubricating Oil GYA1001 PARTS LIST Description Part No. Description Part No. Loading switch PC board VNP1836 Float Base DVD VNL1918 Switch VSK1011...
  • Page 5 DR-L50 EXPLODED VIEWS OF MECHANISM-2 DVD MECHANISM:DB-VLD304 ( TRAVERSE UNIT) (Torgue:0.12 0.01N m) (Adjustment Screw) (Adjustment Screw) (Torgue:0.12 0.01N m) Screw tight (Torgue:0.12 0.01N m) Not supplied. PARTS LIST Description Part No. Description Part No. Spindle Motor VXM1088 Joint Spring...
  • Page 6: Block Diagram

    DR-L50 BLOCK DIAGRAM NADG-7636 Q3001 P3001 Input Selector Rec Selector TV/LINE Volume Q8612 Muting VLSC Acoustic Control VLSC (SW) MPD441000LGU ROM (UJJ2N only) BD3811K1 Adress MD/CDR/TAPE Data Q8501 Q8611 Q8401 Control MX27L2000TC AK4586 CS493292-CL Data DIR, A/D, D/A X8401 12.288MHz...
  • Page 7 DR-L50 Q5401 NAPS-7640 (2/2) STK402-950 Front L +31dB Center +31dB Front R +31dB Surround L +31dB Surround R +31dB +15dB MUTE P3004 P5901 NAETC-7641 SUBWOOFER PREOUT Head Phone Q9503 Q9502 VIDEO SW+12V NCPS-7647 T9001 TUNER Q9504 +12V D9501 Q9505 OP AMP...
  • Page 8: Exploded View Parts List

    1/10 PAGE EXPLODED VIEW PARTS LIST DR-L50 [NOTES] UDT3P: Some Asian area (AC 230V, Regional code-3) UDS4P: South America area (Regional code-4) UPP2P: European area (Regional code-2) UPA4P: Australian area (Regional code-4) UGR6P: Chinese area (Regional code-6) UGT3P: Korean area (Regional code-3) REF NO.
  • Page 9: Packing Parts List

    2010360 A912 PIN CORD AS RCA-3P(YWR) or 2010359 or PIN CORD AS RCA-3P(YWR) 2010359TAIDA A913 FM-ANT-AS 292116 A913 FM ANT AS Type D 292160 A914 FM ADPTER YAE21-0237 25065462 A921 REMO CON RC-505M 24140505 A931 INS MANUAL E(DR-L50) 29343399 www.denom.com...
  • Page 10 3/10 PAGE A932 INS MANUAL F(DR-L50) 29343400 A933 INS MANUAL G(DR-L50) 29343401 A938 INS MANUAL Cs(DR-L50) 29343407 A939 INS MANUAL Cs(DR-L50) 29343406 A934 INS MANUAL I(DR-L50) 29343402 A935 INS MANUAL S(DR-L50) 29343403 A936 INS MANUAL D(DR-L50) 29343404 A937 INS MANUAL...
  • Page 11 4/10 PAGE D8851 C-DIODE 1SS355 223269R2 D8852 C-DIODE 1SS355 223269R2 L8001 CHOKE COIL NCH-1479 231237K470R2 L8401 CHOKE COIL NCH-1471 231237M022R2 L8402 CHOKE COIL NCH-1471 231237M022R2 L8403 CHOKE COIL NCH-1471 231237M022R2 L8404 CHOKE COIL NCH-1471 231237M022R2 L8451 CHOKE COIL NCH-1479 231237K470R2 L8501 CHOKE COIL NCH-1471...
  • Page 12 5/10 PAGE P3004 PIN JACK NPJ-1PDBL382 25045567 P3111 SOCKET NSCT-12P1027 25051237 P3112 SOCKET NSCT-14P1029 25051239 P3113 SOCKET NSCT-12P1027 25051237 P5008 PLUG NPLG-2P83 25055099 P7001A PLUG NPLG-11P139 25055155 P8006 PLUG NPLG-2P29 25055038 P8151A PLUG NPLG-14P142 25055158 P8153 SOCKET NSCT-7P2241 25052344 P8403A PLUG NPLG-2P130 25055146...
  • Page 13 6/10 PAGE L5702 S COIL S-1.3C 231176S L5703 S COIL S-1.3C 231176S L5704 S COIL S-1.3C 231176S L5705 S COIL S-1.3C 231176S T9002 P TRANS NPT-1358D 2301381 T9002 P TRANS NPT-1358P 2301382 T9002 P TRANS NPT-1358DG 2301383 C5701 MMT C MMT50V-104J 375521044 C5702...
  • Page 14 7/10 PAGE REF NO. NAME DESCRIPTION PART NO. R8851 THERMISTOR PTH9M04BB222TS2F333 4000149 P8851 SOCKET AS NSAS-4P0894 2002A390410 MAIN PC BOARD (NAAR-7646-1B/1C) REF NO. NAME DESCRIPTION PART NO. Q2001 IC(REGULATOR) TC4053BF 222840531R2TO Q2002 LA73054 22241767R2 Q2401 IC(REGULATOR) TC4053BF 222840531R2TO Q5401 STK402-950 222123 Q8481 TC7WU04FU...
  • Page 15 8/10 PAGE DIODE GP104003E 22380035 D9508 DIODE RBV402 or 22380022F or DIODE D3SBA20 22380271F L8481 EMIFIL BK1608LM182-T 230958R1 L8482 EMIFIL BK1608LM182-T 230958R1 U8483 PHT CP TORX179 24120095 C2011 VR C CE04W6.3V-100M(VR) 394621017 C2014 VR C CE04W6.3V-100M(VR) 394621017 C2016 VR C CE04W6.3V-100M(VR) 394621017 C2018...
  • Page 16 9/10 PAGE R5515 METAL O R RS1WBJ-33 443623304 R5516 METAL O R RS1WBJ-33 443623304 R9501 METAL R RNU1WCJ-6.8 453630684 R9502 METAL R RNU1/2WCJ-6.8 453530684 R9503 METAL R RNU1/2WCJ-6.8 453530684 R9504 METAL O R RS1/2WBJ-22 443522204 R9505 METAL O R RS1/2WBJ-2.2K 443522224 R9507 METAL O R...
  • Page 17 10/10 PAGE Stabilizer VNL1917 Loading base VNL1918 Floating base DVD VNL1919 Drive Cam VNL1921 Gear Pulley VNL1922 Loading gear VNL1923 Drive gear VNL1925 Lever Switch VNE2251 Clamper Plate VNE2252 Bridge VNL1924 Clamper VNL1920 Tray ABS TRAVERSE UNIT PART NO. REF. NO. DESCRIPTION VXM1088 Spindle Motor...
  • Page 18 DR-L50 SCHEMATIC DIAGRAMS-1 DISPLAY SECTION Q7001 HNV-12SS12T R7019 C7015 2.7K R7020 R7021 R7022 R7023 22/50 C7016 683Z R7024 P23 40 2.7K R7025 R7026 R7027 P24 39 P25 38 P26 37 P27 36 P28 35 P29 34 Q7002 R7028 P30 33 2.7K...
  • Page 19 DR-L50 P3112A P3113A NAETC-7642 P5002 NAETC-7644 P5001 P3111A NAETC-7643 P5007 CN61 P5004 TO POWER VGND6 1 CN21 MCLK 2 M+6V1 BCK 3 VGND5 4 SW5V LRCK 5 M+6V2 GNDV11 XCSDFO 6 GNDM1 ADATA0 7 XSCK 8 GNDV12 GNDM2 ADATA1 9 SW3.3V1...
  • Page 20 DR-L50 SCHEMATIC DIAGRAMS-2 DSP SECTION to TUNER PACK P1001A NADG-7636 R3029 R3027 R3028 R3030 P8711 R8711 470 C8713 104Z D8711 Q1101 IR IN C3016 2SC461 P8712 R8712 Q8711 10/16 ON3131-R C8711 223K FL_VO R1002 C1003 FR_VO 2.2K 2.2/50 R1003 2.2K...
  • Page 21 DR-L50 NAETC-7645 RDSCLK RDSDATA R8851 RDSSIG R8803 R8801 QUAL RCLK R8802 110-120 C8804 R8852 RDATA Q8851 C8801 330J 2.2K Q1101 VREF 2SC4617 C1101 R1103 100/6.3 2SC4617 L8801 103K C8803 VDD1 VDD2 330J NCH-1477 VSS1 VSS2 VSS3 C8802 CPUGND 561J MCSDI...
  • Page 22: Audio Section

    DR-L50 SCHEMATIC DIAGRAMS-3 AUDIO SECTION NAPS-7640 CENTER R5901 P5901 P5701 L5901 (1/2W) BLM21B222SPT L5902 BLM21B222SPT C5712 C5713 R5902 RGND RGND R5911 R5912 222K 222K (1/2W) HPIN HPIN L5912 SWGND SWGND L5911 E5901 BLM21B222SPT BLM21B222SPT RL5801 NAETC-7641 D5801 Q5803 DTC123JE Q5801...
  • Page 23 DR-L50 NAPS-7640 SORROUND NTER C9001 P5702 F9001 NAPS-7647 103M P9007B P9007A P9001 RL9001 2.5A/125V P9008B P9009A 5713 C5711 AC IN T1.25AL250V 222K 222K 222K T9001 222K P9006B P9006A C5714 C5715 NPT-1455 SEC1A P9009B P9008A R9003 NPT-1358 R9002 D9001 T9002 22 (1/2W)
  • Page 24 DR-L50 SCHEMATIC DIAGRAMS-4 DVD MAIN BOARD: DB-VPB314/XJ / DB-VPB313/XJ (1/4) RF IC IC101 LA9701M from IC281 from FR CN151 Wabble Detect Circuits 2/4,3/4 from IC261 CN61 IC351 M56788AFP-TBB FTS DRIVER to NAETC-7649 CN51 CN51 to NAETC-7649 CN61 www.denom.com...
  • Page 25 DR-L50 VCO Circuit MODEL DISTINCTION for FC-Checker (to RF IC) from FR IC201 LC78652W DSP IC to IC7001(8P) 2/4,3/4 IC251 to MYCHIP to IC351 (IC701 189p) IC302 www.denom.com...
  • Page 26 DR-L50 SCHEMATIC DIAGRAMS-5 DVD MAIN BOARD : DB-VPB314/XJ / DB-VPB313/XJ (2/4) IC603 PGM 8M FLASH MEMORY (MBM29LV800TC-90PFTN) ADDRESS DATA IC601 R607 6.8K FR CPU (MB91340) PD6345A FR ASIC(176pin) MAIN MAIN www.denom.com...
  • Page 27: Power Supply

    DR-L50 Focus offset SW to RF MAIN2 voltage conversion IC608 : AUDIO (DIGITAL) SIGNAL ROUTE voltage conversion IC612 CN21 To NAETC-7649 CN21 : Power supply www.denom.com...
  • Page 28 DR-L50 SCHEMATIC DIAGRAMS-6 DVD MAIN BOARD: DB-VPB314/XJ / DB-VPB313/XJ (3/4) IC712 16M DRAM MSM51V17805D-60TS-K(SOP) WOBBLE WOBBLE (VD) IC701 BY CHIP PE5108A DVD Decoder from FR30 from SPDL_DRIVER www.denom.com...
  • Page 29 DR-L50 IC805 : RF (VIDEO) SIGNAL ROUTE (VD) : VIDEO DATA SIGNAL ROUTE (AD) : AUDIO DATASIGNAL ROUTE : AUDIO SIGNAL ROUTE : AUDIO (DIGITAL) SIGNAL ROUTE (VD) from SCRUT from IC612 (VD) (VD) IC801 MITSUBISHI AV-1 M65774BFP MPEG2 Decoder...
  • Page 30 DR-L50 SCHEMATIC DIAGRAMS-7 DVD MAIN BOARD: DB-VPB314/XJ / DB-VPB313/XJ (4/4) SQ_4 IC881 PM0026A Pro-1 (Cr) (VD) IC861 VIDEO ENCODER ADV7172KST (Cr) (Cb) (Cb) www.denom.com...
  • Page 31 DR-L50 VDB-VPB313/XJ Only (VD) : VIDEO DATASIGNAL ROUTE : V SIGNAL ROUTE : Y SIGNAL ROUTE : C SIGNAL ROUTE (Cr) : Cr SIGNAL ROUTE : Y SIGNAL ROUTE (Cb) : Cb SIGNAL ROUTE : AUDIO SIGNAL ROUTE CN22 (Cr)
  • Page 32 DR-L50 COOLING FAN PC BOARD CONNECTION DIAGRAM VIDEO OUTPUT AUDIO ANTENNA For up-grade SUBWOOFER EXCEPT UPP AV CONNECTOR firmware MD/CDR/TAPE TV/LINE PREOUT DIGITAL SURROUND SPEAKERS COMPONENT FRONT SPEAKERS AC INLET P2003 E8001 P3004 P8153 P2005 P2004 U8483 U8482 P8712 P8711...
  • Page 33: Upgrade Firmware

    DR-L50 UPGRADE FIRMWARE-1 Prepares for upgrade firmware REMOTE CONTROLLER Monitor TV RC-484M Required to carry out check firmware Part No. 24140484 vertion and regeon cord. Required to carry out check firmware vertion and regeon cord. INTERFACE JIG INTERFACE JIG (KIT) Part No.
  • Page 34 DR-L50 UPGRADE FIRMWARE-2 Connections Rear panel view SURROUND ANTENNA FRONT SPEAKERS SPEAKERS PREOUT AC INLET CENTER AUDIO REMOTE ANTENNA CONTROL FM 75 WOOFER TV/LINE MD/CDR/TAPE DIGITAL VIDEO OUTPUT OPTICAL S VIDEO VIDEO COMPONENT To monitor out Flexible flat cable Monitor TV...
  • Page 35 DR-L50 UPGRADE FIRMWARE-3 Flow chart In the case of replace of the DVD main board In the case of upgrade firmware Replace of the DVD main board Check the firmware When the firmware When the firmware Setting the regional code...
  • Page 36 DR-L50 UPGRADE FIRMWARE-4 Check the firmware Please operate it by remote controller (RC-484M). 1. Press the DVD. 2. Power ON the unit by press ON. 3. Press the PLAY. 4. Press SETUP. 5. Operate cursor button and select General menu.
  • Page 37 DR-L50 UPGRADE FIRMWARE-5 Upgrade firmware [NOTES] This procedure document supposing using Japanese PC. The program file name, the folder name, etc. are examples. 1. Start MS-DOS prompt using the start-up menu of PC. Windows of MS DOS prompt C: WINDOWS>_ 2.
  • Page 38 DR-L50 UPGRADE FIRMWARE-6 Download procedures 5. Check that the connection of PC with Unit. 7. Turn ON the power supply switch of the unit. 6. Check that unit is in the state of NO DISC. 8. Press the Enter key of PC.
  • Page 39 DR-L50 UPGRADE FIRMWARE-7 Download procedures State witch download completed The state which download completed The work of download was completed satisfactory. FL Display NO DISC www.denom.com...
  • Page 40 DR-L50 UPGRADE FIRMWARE-8 Setting the regional code Except UDD1N type. FL display TV Monitor [player's Region setting] REGION INI <1> : Region 1 <2> : Region 2 <3> : Region 3 <4> : Region 4 <5> : Region 5 <6> : Region 6 Pick out any one of these! Operate it using remote controller (RC-484M).
  • Page 41: Packing View

    DR-L50 PACKING VIEW P9001 A417 A901 A940 A921 A931 -A937 Insert to Page1 A902 UPP Only A511 A912 A913 A411 A911 (Other models) A910 A411 A914 A407 A401 A407 A405 A407 A401 A401 A401 A409 A419 A501 A505 A5031 A5031...
  • Page 42 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8111 Fax: 072-833-5222 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 E-mail: onkyo@onkyousa.com ONKYO EUROPE ELECTRONICS GmbH Industriestrasse 20, 82110 Germering, GERMANY Tel: 089-849-320 Fax: 089-849-3265 E-mail: info@onkyo.de...

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