Pioneer AVX-P7300DVD Service Manual
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Pioneer AVX-P7300DVD Service Manual

Pioneer AVX-P7300DVD Service Manual

7 inch wide av system display/dvd player
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Download this manual See also: Operating Manual, Installation Manual
Service
Manual
7 INCH WIDE AV SYSTEM DISPLAY/DVD PLAYER
AVX-P7300DVD
AVX-P7300DVD
AVX-P7300DVD
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-954
CRT2670
NOTE:
- Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby
Laboratories. Confidential unpublished works. © 1992-1997 Dolby Laboratories. All rights reserved.
- Inverter for LCD back light becomes a high voltage.
- About FPC between control PCB and relay unit
There is a direction of the connector and the installation is noted.
Please note that the length of the line is short at the time of detaching.
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................4
4. PCB CONNECTION DIAGRAM................................46
5. ELECTRICAL PARTS LIST........................................64
6. ADJUSTMENT .........................................................80
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
Mech. Module Remarks
MS2
DVD Mech. Module:Circuit Description, Mech.Description, Disassembly
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
EW
ES/RD,ES/RC
7. GENERAL INFORMATION.....................................101
7.1 DIAGNOSIS ......................................................101
7.1.1 TOUBLESHOOTING...............................101
7.1.2 DISASSEMBLY.......................................105
7.1.3 PCB LOCATION ......................................110
7.1.4
................................................................112
7.3 EXPLANATION .................................................131
8. OPERATIONS AND SPECIFICATIONS ..................136
K-ZZU. MAY 2001 Printed in Japan
ORDER NO.
CRT2672
UC
.111

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Summary of Contents for Pioneer AVX-P7300DVD

  • Page 1: Table Of Contents

    PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2001 K-ZZU. MAY 2001 Printed in Japan...

  • Page 2: Safety Information

    AVX-P7300DVD - DVD Player Service Precautions 1. Never adjust the LD VR in the pickup unit to protect the pickup from electrical damages. 2. For pickup unit(service)(CXX1530) handling, please refer to"Disassembly"(see page 109). During replacement, handling precautions shall be taken to prevent an electrostatic discharge(set the short switch of the pickup unit to the SHORT side).
  • Page 3 AVX-P7300DVD CLASS 1 LASER PRODUCT On the bottom of the player. VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN. CAUTION : AVOID EXPOSURE TO BEAM. SICHTBARE UND UNSICHTBARE LASERSTRAHLUNG, WENN VORSICHT : ABDECKUNG GEÖFFNET NICHT DEM STRAHL AUSSETZEN! SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING ADVARSEL : UNDGÅ...

  • Page 4: Exploded Views And Parts List

    AVX-P7300DVD 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING - Installation Manual - Owner's Manual Part No. Language Part No. Language CRD3479 English,French CRB1707 English CRD3435 English,Spanish,Dutch CRB1708 Spanish ,German,French,Italian CRB1709 German CRB1740 English CRB1710 French CRD3480 English,Chinese CRB1711 Italian...
  • Page 5 AVX-P7300DVD NOTE: - Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - PACKING SECTION PARTS LIST Part No. MarkNo. Description...
  • Page 6 AVX-P7300DVD 2.2 EXTERIOR(1/3)
  • Page 7 See Contrast table(2) 38 Plug(CN402) CKS-790 39 Plug(CN801) CKS1043 40 Connector(CN851) CKS1940 (2) CONTRAST TABLE AVX-P7300DVD/UC , AVX-P7300DVD/EW , AVX-P7300DVD/ES/RD and AVX-P7300DVD/ES/RC are constructed the same except for the following: Part No. Mark No. Description P7300DVD/UC P7300DVD/EW P7300DVD/ES/RD P7300DVD/ES/RC Panel...
  • Page 8 AVX-P7300DVD 2.3 EXTERIOR(2/3)
  • Page 9 AVX-P7300DVD - EXTERIOR(2/3) SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Drive Unit CXB7323 41 Screw(M1.7x3) CBA1475 2 Rail CNS6492 42 Screw(M2x2) CBA1484 3 Rail CNS6493 43 Screw(M3x3) CBA1534 4 Guide CNS6494 44 Washer...
  • Page 10 AVX-P7300DVD 2.4 EXTERIOR(3/3)

  • Page 11: Lcd Module

    CNM7593 22 Sheet CNM7594 - Please stop the reuse of this sheet when you peel off sheet(9,10,21,22). (2) CONTRAST TABLE AVX-P7300DVD/UC , AVX-P7300DVD/EW , AVX-P7300DVD/ES/RD and AVX-P7300DVD/ES/RC are constructed the same except for the following: Part No. Mark No. Description...
  • Page 12 AVX-P7300DVD 2.6 DVD MECHANISM MODULE...
  • Page 13 AVX-P7300DVD - DVD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 DVD core unit V CWX2574 56 Gear CNV6361 2 Terminal(CN1703) CKF1065 57 Gear CNV6362 3 Terminal(CN1705) CKF1065 58-61 ••••• 4 Terminal(CN1706)

  • Page 14: Block Diagram And Schematic Diagram

    AVX-P7300DVD 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM CONTROL PCB RELAY UNIT CN101 CN1103 CN201 IC 301 RET H IC 302 IC 103 TC74HC123AF RET V TC7W34FU TC74VHCT08AFT IC 604 M62354GP CONNECTOR IC 101 DIMMER NJM2903V Q604 AVREF0...
  • Page 15 AVX-P7300DVD Y UNIT LCD MODULE CN1101 LCD_R IC 1101 14 G LCD_G BA7623F IC 1105 LCD_B BACK LIGHT BA7603F 2,7, IC 1108 IC 1102 LCD_V TC7S08FU NJM2267V IC 1107 IC 1103 IC 1104 TC74HC123AF TC7SH32FU TC7S08FU IC 1106 INVERTER PCB...
  • Page 16 AVX-P7300DVD 3.2 CONTROL PCB(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. Large size SCH diagram > Guide page SYNC SEPARATOR Detailed page > MONITOR MICRO COMPUTER >...
  • Page 17 AVX-P7300DVD CONTROL PCB Control Unit > Consists of > Control PCB Photo PCB Extention PCB > > > > REFLECTION MUTE 1K(1/2W) CEK1135 > R67 1R8K 470(B) CCP1388 :The power supply is shown with the marked box. NOTE : Symbol indicates a resistor.
  • Page 18 AVX-P7300DVD...
  • Page 19 AVX-P7300DVD...
  • Page 20 AVX-P7300DVD...
  • Page 21 AVX-P7300DVD...
  • Page 22 AVX-P7300DVD 3.3 PHOTO PCB...
  • Page 23 AVX-P7300DVD 3.4 EXTENSION PCB EXTENSION PCB Control Unit Consists of Control PCB Photo PCB Extension PCB...
  • Page 24 AVX-P7300DVD 3.5 RELAY UNIT CN2804 (L fixation always)
  • Page 25 AVX-P7300DVD RELAY UNIT...
  • Page 26 AVX-P7300DVD 3.6 INVERTER PCB...
  • Page 27 AVX-P7300DVD 3.7GRILLE PCB GRILLE PCB Keyboard Unit Consists of R1906,1910,1938-1940,1947-1949 Inverter PCB UC,ES/RD,ES/RD : 130 Grille PCB EW : 150 RESET CN651 DISC EJECT DETACH SENSE POWER PLAY PAUSE V.SRC STOP CHP/TR- CHP/TR+ UC,ES/RD,ES/RC S1903-S1910 UC,ES/RD,ES/RC : CSG1112 EW : CSG1113...
  • Page 28 AVX-P7300DVD 3.8 ENCODER UNIT...
  • Page 29 AVX-P7300DVD 3.9 PU UNIT(REFERENCE)
  • Page 30 AVX-P7300DVD 3.10 DVD MECHANISM MODULE(1/2)(GUIDE PAGE) SERVO-C DVD CORE UNIT V(FRONT END) RF SIGNAL FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE CLOCK LINE RF AMP BLOCK 2.2V 1.65V POWER SUPPLY 5.0V 3.3V 2.2V 1.65V 5.0V...
  • Page 31 AVX-P7300DVD -CPU I/F OPTICAL DISC CONTROLLER BLOCK ODC-CPU I/F 33.8MHz POWER SUPPLY 3.3V 2.7V MNZS25BDAUB SYSTEM CONTROLLER I/F MPEG STREAM &...
  • Page 32 AVX-P7300DVD...
  • Page 33 AVX-P7300DVD...
  • Page 34 AVX-P7300DVD...
  • Page 35 AVX-P7300DVD...
  • Page 36 AVX-P7300DVD 3.11 DVD MECHANISM MODULE(2/2)(GUIDE PAGE) POWER SUPPLY R1813 1.8V R1812 R1814 6.3V(5.0V) 2.7V R1815 3.3V PD6354B › POWER SUPPLY 3.3V CLOCK FREQUENCY 5MHz MICRO COMPUTER BLOCK...
  • Page 37 AVX-P7300DVD DVD CORE UNIT V(BACK END) AUDIO 2ch ANALOG OUT ¤ ‹ AV CHIP BLOCK 33.8MHz Silks : L1519,L1520,L1521 ⁄ L1536 Silk : R1536 MN677532JAUB POWER SUPPLY 3.3V MPEG STREAM...
  • Page 38 AVX-P7300DVD...
  • Page 39 AVX-P7300DVD...
  • Page 40 AVX-P7300DVD...
  • Page 41 AVX-P7300DVD...
  • Page 42 AVX-P7300DVD - Waveforms Note:1. The encircled number denote measuring pointes in the circuit diagram. 2. Reference voltage VHALF : 1.65V 1 FEY 2 CH1: ASF 1 CH1: FEY 500mV/div. 1ms/div. 500mV/div. 1ms/div. 200ms/div. 1ms/div. 3 CH2: RFENV 4 CH2: FD Focus search 1V/div.
  • Page 43 AVX-P7300DVD 8 CH1: RFOUT200mV/div. 100µs/div. 4 CH1: FD 6 CH1: TEY 1V/div. 100µs/div. 500mV/div.1s/div. 0 CH2: BDO 7 CH2: TD 1 CH2: FEY 2V/div. 100µs/div. 500mV/div. 100µs/div. Black dot Black dot EDC1 mode set up(DVD) VHALF→ VHALF→ VHALF→ VHALF→ VHALF→...
  • Page 44 AVX-P7300DVD 3.12 VIDEO SCHEMATIC...
  • Page 45 AVX-P7300DVD VIDEO SCHEMATIC...

  • Page 46: Pcb Connection Diagram

    AVX-P7300DVD CONTROL PCB 4. PCB CONNECTION DIAGRAM 4.1 CONTROL PCB NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic diagram.
  • Page 47 AVX-P7300DVD SIDE A...
  • Page 48 AVX-P7300DVD CONTROL PCB...
  • Page 49 AVX-P7300DVD SIDE B FRONT...
  • Page 50 AVX-P7300DVD 4.2 PHOTO PCB PHOTO PCB SIDE A PHOTO PCB SIDE B IC,Q CN1101...
  • Page 51 AVX-P7300DVD 4.3 EXTENSION PCB SIDE A EXTENSION PCB CN1700 SIDE B EXTENSION PCB...
  • Page 52 AVX-P7300DVD 4.4 RELAY UNIT SIDE A RELAY UNIT CN2804 CN101 IC,Q CN001 CN1301 CN2941...
  • Page 53 AVX-P7300DVD SIDE B RELAY UNIT IC,Q...
  • Page 54 AVX-P7300DVD 4.5 INVERTER PCB INVERTER PCB CCFL SIDE A INVERTER PCB SIDE B CN1101...
  • Page 55 AVX-P7300DVD 4.6 GRILLE PCB IC,Q IC,Q SIDE B SIDE A GRILLE PCB GRILLE PCB CN651 Q1902 Q1901 Q1903 IC1901 Q1904...
  • Page 56 AVX-P7300DVD 4.7 ENCODER PCB ENCODER PCB SIDE A CN1102 SIDE B ENCODER PCB...
  • Page 57 AVX-P7300DVD 4.8 SW PCB SIDE B SW PCB SW PCB SIDE A DEG0 CN2806...
  • Page 58 AVX-P7300DVD 4.9 DVD CORE UNIT V DVD CORE UNIT V...
  • Page 59 AVX-P7300DVD SIDE A...
  • Page 60 AVX-P7300DVD DVD CORE UNIT V...
  • Page 61 AVX-P7300DVD SIDE B...
  • Page 62 AVX-P7300DVD VIDEO SCHEMATIC 4.10 VIDEO SCHEMATIC CN1101...
  • Page 63 AVX-P7300DVD...

  • Page 64: Electrical Parts List

    AVX-P7300DVD 5. ELECTRICAL PARTS LIST NOTE: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No.
  • Page 65 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Diode UDZ9R1(B) Inductor CTF1379 Diode MA3091(L) Inductor CTF1379 Diode MA3056(H) Inductor CTF1379 Diode MA152WK Inductor CTF1379 Diode UDZ12(B) Inductor...
  • Page 66 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Fuse 1A CEK1191 RS1/16S473J Fuse 400mA CEK1184 RS1/16S102J Fuse 2A CEK1190 RS1/16S102J Fuse 3.15A CEK1207 RS1/16S102J Fuse 2A CEK1190...
  • Page 67 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S682J RS1/16S821J RS1/16S682J RS1/16S223J RS1/16S101J RS1/16S223J RS1/16S101J RS1/16S472J RS1/16S101J RS1/16S472J RS1/16S105J RS1/16S102J RS1/16S105J RS1/16S102J RS1/16S105J RS1/16S473J RS1/16S105J (UC) RS1/16S223J...
  • Page 68 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S473J 680µF/16V CCH1415 RS1/16S473J CKSRYB103K50 RS1/16S473J CKSRYB103K50 RS1/16S473J 100µF/16V CCH1319 RS1/16S473J 100µF/16V CCH1319 RS1/16S473J 100µF/16V CCH1319 RS1/16S473J CKSRYB102K50 RS1/16S473J...
  • Page 69 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CCSRCH470J50 CCSRCH101J50 CCSRCH470J50 CKSRYB103K50 CKSRYB105K6R3 CEVNP100M10 CKSRYB105K6R3 CEVNP100M10 CCSRCH220J50 CKSRYB104K16 CEV220M6R3 CEV100M16 CEV101M6R3 CEV100M16 CEV101M6R3 CKSQYB105K16 CKSRYB104K16 CKSQYB105K16 47µF/16V...
  • Page 70 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1107 RS1/16S750J Keyboard Unit 1110 RS1/16S105J 1111 RS1/16S105J Consists of 1112 RS1/16S471J Inverter PCB 1113 RS1/16S101J Grille PCB 1114...
  • Page 71 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1906 (UC,ES/RD,ES/RC) RS1/16S131J 2941 RS1/16S104J 1906 (EW) RS1/16S151J 2942 RS1/16S334J 1907 (EW) RS1/16S301J 2943 RS1/16S0R0J 1908 (EW) RS1/16S131J 2944...
  • Page 72 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- IC 1403 TC74LCX244FT RESISTORS IC 1405 TC7SH04FU IC 1500 MSM56V16160F8TKFM 2800 RS1/10S0R0J IC 1501 MSM56V16160F8TKFM 2801 RS1/16S153J IC 1502...
  • Page 73 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1301 Spring Switch(CLAMP) CSN1051 1207 RS1/16SS101J 1302 Spring Switch(L/E ON/OFF) CSN1051 1208 RS1/16SS101J 1303 Spring Switch(8cmDETECT) CSN1051 1209 RS1/16SS473J...
  • Page 74 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1434 RS1/16SS681J 1567 RS1/16SS560J 1436 RS1/16SS103J 1568 RS1/16SS560J 1437 RS1/16SS103J 1569 RS1/16SS560J 1438 RS1/16SS221J 1570 RS1/16SS560J 1439 Resistor Array...
  • Page 75 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1127 CCSRCH561J50 1742 RS1/16SS104J 1128 CKSSYB104K10 1743 RS1/16SS221J 1129 CKSSYB104K10 1744 RS1/16SS221J 1130 CCSRCH102J50 1745 RS1/16SS221J 1131 CCSSCH120J50 1746...
  • Page 76 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1403 CKSSYB104K10 1550 CKSSYB104K10 1404 CKSSYB104K10 1551 CKSSYB104K10 1405 CKSSYB104K10 1552 CKSSYB104K10 1406 CKSSYB104K10 1553 CKSSYB104K10 1407 CKSSYB104K10 1554...
  • Page 77 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S0R0J Unit Number : CWX2565 RS1/16S0R0J RS1/16S0R0J Unit Name : LCD Module RS1/16S0R0J RS1/16S0R0J MISCELLANEOUS RS1/16S0R0J RS1/16S0R0J NJM2107F RS1/16S0R0J...
  • Page 78 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S512J RS1/16S103J RS1/16S105J RS1/16S333J RS1/16S152J RS1/16S333J RS1/16S472J RS1/16S103J RS1/16S331J RS1/16S682J RS1/16S512J RS1/16S183J RS1/16S153J RS1/16S101J RS1/16S562J RS1/16S123J RS1/16S152J RS1/16S432J RS1/16S331J...
  • Page 79 AVX-P7300DVD =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CCSRCH680J50 CKSYB106K6R3 CKSYB106K6R3 CKSYB106K6R3 CCSRCH681J50 CKSRYF104Z25 CKSRYF104Z25 CKSYB106K6R3 CCSRCH560J50 CKSRYB103K50 CKSRYB473K16 CKSRYB473K16 CSZS2R2M16 CCSRCH820J50 CKSYB475K16 CKSRYB103K50 CKSRYB103K50 CCSRCH101J50 CKSRYF105Z10 47µF/6.3V...

  • Page 80: Adjustment

    AVX-P7300DVD 6. ADJUSTMENT 6.1 VOLTAGE ADJUSTMENT FOR DVD MECHANISM FRONT 6.2 DVD MECHANISM MODULE Cautions for servicing • Remove the filters and wires used for measurements only after the regulator has been turned OFF. This product uses 5V and 3.3V as standard voltages.
  • Page 81 AVX-P7300DVD - Front-End test mode flow chart Start test mode Test mode In Note 1: At this stage select the media type. Various settings are carried out according to the media selection made here. Note 2: While measurements are being taken, only the operation, for which the measurement is being taken, is allowed.
  • Page 82 AVX-P7300DVD EDC1 EDC2 mode mode 0000 0000 0000 0000 Layer 0 Layer 1 Layer 0 Layer 1 selected selected selected selected 0000 0000 0000 0000 0100 0000 0100 0000 1003 0000 1003 0000 1103 0000 1103 0000 Layer0:10** **** Layer0:10** ****...
  • Page 83 AVX-P7300DVD - Skew adjustment If any of the following replacements have been performed on the system, adjustments for pick up, must be conducted: 1. Pick up unit replacement 2. Spindle motor replacement 3. Carriage chassis replacement 4. Pick up unit main shaft replacement 5.
  • Page 84 AVX-P7300DVD Symptoms that can occur if proper adjustments are not made: Error rate reaches 10 (10 or less under normal conditions). The RF jitter becomes more pronounced - the RF waveform becomes deformed. Retraction of the tracking and the servo motor, become unstable.
  • Page 85 AVX-P7300DVD - Back end section check flow chart Start Are all reproduced images and sounds normal? Go to the F.E. Is the F.E. section section check normal? all power supply voltages normal? Conduct check 1 all clocks operating normally? Conduct check...
  • Page 86 AVX-P7300DVD Check 1: Are all power supply voltages normal? Reproduce DVD-REF-A1 Title 1. Verify the voltage of the sensing pin. If results are not satisfactory, check to see if there are any problems with the resin flux cored solder, parts and components, in the vicinity of IC1801 through 1804 (the section marked 1 in the circuit diagram).
  • Page 87 AVX-P7300DVD POWER SUPPLY 1.8V R1814 R1813 R1812 2.7V R1815 3.3V 6.3V(5.0V) Schematic diagram 1...
  • Page 88 AVX-P7300DVD Check 2: Are all clocks operating normally? Reproduce DVD-REF-A1 Title 1. Verify the circuit described in Figure 2. This check is the same for all DVD-V compatible modules. Checks are to be conducted with a GND reference. If locations listed under "verification location 2", can be verified, there will be no need to perform verifications for the locations listed under "verification location 1."...
  • Page 89 AVX-P7300DVD POWER SUPPLY 3.3V POWER SUPPLY 3.3V 2.7V Schematic diagram 2...
  • Page 90 AVX-P7300DVD Check 3: Is the streaming I/F operating normally? Reproduce DVD-REF-A1 Title 1. Verify the circuit described in Figure 3. This check is the same for all DVD-V compatible modules. Checks are to be conducted with a GND reference. If the locations listed under "verification location 2" can be verified, then there is no need to conduct verifications for the locations listed under "verification location 1."...
  • Page 91 AVX-P7300DVD POWER SUPPLY 3.3V 2.7V POWER SUPPLY 3.3V SYSTEM CONTROLLER I/F Schematic diagram 3...
  • Page 92 AVX-P7300DVD Check 4: Is the audio circuit operating normally? Reproduce DVD-REF-A1 Title 2 Chapter (48V/16-bit/1 kHz/0dB). Verify the circuit described in Figure 2. This check is the same for all DVD-V compatible modules. Checks are to be conducted using GNDAU1 (sensing pins) as a reference.
  • Page 93 AVX-P7300DVD AUDIO 2ch ANALOG OUT POWER SUPPLY 3.3V Schematic diagram 4...
  • Page 94 AVX-P7300DVD Check 5: Is the video circuit operated normally? Reproduce DVD-REF-A1 Title 2 Chapters (White 100IRE). Monitor the output with the oscilloscope, by setting the COMPO signal to a GND reference. Set the Trigger mode to the TV trigger, and the Trigger line to line-150.
  • Page 95 AVX-P7300DVD AV CHIP BLOCK POWER SUPPLY 3.3V Schematic diagram 5...
  • Page 96 AVX-P7300DVD Check 6: Is SDRAM I/F operating normally? Reproduce DVD-REF-A1 Title 1. Verify the circuit described in Figure 6. This check is the same for all DVD-V compatible modules. Check the conductivity of both the "Verification location 1" and the "Verification location2."...
  • Page 97 AVX-P7300DVD POWER SUPPLY 3.3V Schematic diagram 6...
  • Page 98 AVX-P7300DVD Check 7: Is the microprocessor operating normally? Verify the circuit described in Figure 7. This check is the same for all DVD-V compatible modules. Check the conductivity of both the "Verification location 1" and the "Verification location2." If the result is not satisfactory, check to see if there are any problems with the resin flux cored solder, parts and components, in areas where a problem occurs, for the overall sequence of "output –...
  • Page 99 AVX-P7300DVD Schematic diagram 7...
  • Page 100 AVX-P7300DVD Note:1. The encircled number denote measuring pointes in the circuit diagram. 2. Reference voltage VHALF : 1.65V ! CH1: STD1 % CH1: AVRTM % CH1: AVRTM ^ CH2: STCLK ^ CH2: STCLK @ CH2: STD4 5V/div. 2µs/div. 5V/div. 50µs/div.

  • Page 101: General Information

    AVX-P7300DVD 7 GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TROUBLESHOOTING - LCD module troubleshooting 1No images Normal signal is obtained at Check the CN001 , inputconnecting each terminal of CN001? flexible cables and its periphery. Circuit current flows normally? Go to Item2 No power.
  • Page 102 AVX-P7300DVD Check Q501(TA75072F) , Q201 , Pin-38 of Q201(IR3Y29BM) and its periphery Normal Vcom signal is obtained at TP13? Q502 to Q504(Buffer), and their periphery. RGB signal for LCD is obtained at Pin-19, Replace Q201(IR3Y29BM). Pin-21 and Pin-24 of Q201(IR3Y29BM)?
  • Page 103 AVX-P7300DVD 2No power F801(fuse) is broken out? Replace F801. Check 18.5V line to remove short-circuits. 18.5V is obtained at TP02? (CN003 ,R017 ,Q003 and their periphery. Check -12V line to remove short-circuits. -12V is obtained at TP05? (Q502 ,Q505 ,Q501 and their periphery.
  • Page 104 AVX-P7300DVD 3Out of Sync Video signal is obtained at Q652(TR)? Check CN001 , Q651 and their periphery. Sync signal is is obtained at Check R239(LPF) and their periphery. Pin-36 ofQ201(IR3Y29BM)? Sync signal is obtained at Pin-21 and Pin-22 Check Q291 to Q293 and their periphery.

  • Page 105: Disassembly

    AVX-P7300DVD 7.1.2 DISASSEMBLY Case Unit - Cautions for disassembling and reassembling 1. When pulling chassis and case unit apart, remove Chassis gear, remove five screws, and then remove set of shaft unit before sliding case unit out. When reassembling, the switch on the SW PCB become caught by the parts, so keep the two screws of A as well as the SW PCB removed while reinstalling the case unit.
  • Page 106 AVX-P7300DVD Removing the Holder (Fig.4) Remove the four screws and then remove the Holder. Fig.4 Holder Removing the Case (Fig.5) Remove the six screws and then remove the Case. Removing the Bracket (Fig.5) Remove the two screws and then remove the two Brackets.
  • Page 107 AVX-P7300DVD DVD Mechanism Module Removing the DVD Mechanism Module (Fig.6) Extension PCB Remove the screw and then remove the Extension PCB. Disconnect the connector and then remove the DVD Mechanism Module. Fig.6 Control PCB Removing the Grille Assy (Fig.7) Remove the two screws, remove the connector and then remove the Grille Assy.
  • Page 108 AVX-P7300DVD Removing the Frame (Fig.8) Remove the eight screws and then remove the Frame. Fig.8 Frame Pull out the Display Assy (Fig.9) Remove the four and two screws, remove the two covers. Remove the gear. Cover Cover Pull out the Display Assy.
  • Page 109 AVX-P7300DVD - Handling the mechanical module 1. The mechanical module should be handled by holding the upper frame and main frame of the mechanical module. 2. The front section of the upper frame is not very sturdy, so this section should not be held too firmly (see fig. 11).

  • Page 110: Pcb Location

    AVX-P7300DVD 7.1.3 PCB LOCATIONS EXTENSION PCB PHOTO PCB CONTROL PCB SW PCB RELAY UNIT GRILLE PCB ENCODER PCB INVERTER PCB DVD CORE UNIT V VIDEO SCHEMATIC...

  • Page 111: Connector Function Description .111 7.2 Ic

    AVX-P7300DVD 7.1.4 CONNECTOR FUNCTION DESCRIPTION 1 : ANR 2 : ANG 3 : ANB 4 : GNDSIG 1 : B.U. 5 : CSYNC 2 : GND 6 : NC 3 : ILM 7 : NC 4 : NC 8 : MOREM...
  • Page 112 AVX-P7300DVD 7.2 IC AN8702FH TC74VCX08FT OZ960IS MN677061ZYUB PE5277A BA6951FS MNZS25BDAUB BA033SFP BA00ASFP TC74LCX244FT BA18BC0WFP BP5250-1 MSM56V16160F8TKFM BA00BC0WFP PE5285A TC74VCX74FT GP1S25 MN677532JAUB PD5582A TC74VCX04FT TC7S14FU SM8703AV PE5230A PD6354B TC74VHCT08AFT AK4380VT TA7806S IC's marked by * are MOS type. *AN8702FH Be careful in handling them because they are very liable to be damaged by electrostatic induction.
  • Page 113 AVX-P7300DVD - Pin Functions(MN677061ZYUB) Pin No. Pin Name Function and Operation Full adder signal input Phase-contrast/Three beam tracking error input Focus error input AVDD Analog power supply (3.3V) FODRV Focus driver output TRDRV Tracking driver output AVSS1 Analog GND Equivalent RF+ input...
  • Page 114 AVX-P7300DVD Pin No. Pin Name Function and Operation PLLOK PLL drag OK signal input IDHOLD DACLRCK 1bit DAC - LR channel data strobe input DACDATA CD 1bit DAC channel data input tron Tracking ON output DACCLK 1bit DAC channel data shift clock input...
  • Page 115 AVX-P7300DVD - Pin Functions(MNZS25BDAUB) Pin No. Pin Name Function and Operation HDD15 ATAPI HOST data input/output 15 HDD0 ATAPI HOST data input/output 0 HDD14 ATAPI HOST data input/output 14 VDD31 I/O power supply (3.3V) HDD1 ATAPI HOST data input/output 1...
  • Page 116 AVX-P7300DVD Pin No. Pin Name Function and Operation RF dropout signal input LRCK LR identifier signal input SBBCLK CD sub code block clock input VSS7 MMOD System reset input VDD23 Digital power supply (2.7V) CLKOUT2 System computer clock output 2...
  • Page 117 AVX-P7300DVD *TC74LCX244FT *MSM56V16160F8TKFM 50 Vss 20 VCC 1 1oe 49 DQ16 48 DQ15 19 2oe 2 1A1 VssQ 47 VssQ 46 DQ14 18 1Y1 3 2Y4 45 DQ13 VccQ 44 VccQ CLK : System clock 17 2A4 4 1A2 cs : Chip select...
  • Page 118 AVX-P7300DVD - Pin Functions(MN677532JAUB) Pin No. Pin Name Function and Operation VDD-1 Power supply Bank sell and address Bank sell and address Bank sell and address VSS-5 Bank sell and address Bank sell and address Bank sell and address VDD-9...
  • Page 119 AVX-P7300DVD Pin No. Pin Name Function and Operation DACCK DAC clock output LRCK LR clock output SRCK Bit clock output VDD-91 Power supply 92-94 ADOUT0-2 Audio data output VSS-95 CLKMON Clock monitor CLK121 121.5MHz clock input VDD-98 Power supply CLK27...
  • Page 120 AVX-P7300DVD Pin No. Pin Name Function and Operation VDD-156 Power supply VSS-157 MDQ15 I/O data SDRAM MDQ0 I/O data SDRAM VDD-160 Power supply MDQ14 I/O data SDRAM MDQ1 I/O data SDRAM VSS-163 MDQ13 I/O data SDRAM MDQ2 I/O data SDRAM...
  • Page 121 AVX-P7300DVD *MN677532JAUB *TC74VCX04FT...
  • Page 122 AVX-P7300DVD *SM8703AV *PD6354B byte 24 MO2 External Interface 23 FSEL/MDT DQ15/A-1 A-1,A0-A18 : Address input Oscillator 22 SO5 DQ0-DQ15 : Data input/output DQ14 ce : Chip enable oe : Output enable 21 RSV DQ13 we : Write enable reset : Hardware reset...
  • Page 123 AVX-P7300DVD *PE5277A AMUTE MEMC BMUTE XAVINT, XADSCINT, XCSAVW, XCSSRAM RESERVED, CTS XCSFLSH, BUSISO INTC Instruction RESERVED, XCSAVR DRAMC DISCDET EDCF, TMODE, Queue XCSODC 256k XADSCRES, XAVRES, FS44_48 BYTE LTFEP Multiplier DACINPUT EJECT (32 X 32 32bit XLBE Ballel Sifter XUBE...
  • Page 124 AVX-P7300DVD BA00BC0WFP GP1S25 Vref CATHODE EMITTER COLLECTOR A NODE - Pin Functions(PD5582A) Pin No. Pin Name Function and Operation OSC1 External terminal of oscillator circuit for display OSC2 External terminal of oscillator circuit for display Chip select input Serial clock input...
  • Page 125 AVX-P7300DVD - Pin Functions (PE5230A) Pin No. Pin Name Format Function and Operation MODEL2 Model select analog input Not used AVSS DIMMER Dimmer control output ADPOW ADPOWER control output AVREF1 D/A converter reference voltage (Connects to VDD) ROMDATA Data output...
  • Page 126 AVX-P7300DVD Pin No. Pin Name Format Function and Operation Not used dsens Detach input REMIN Remote controlling signal input asens ACC sensor input bsens Backup input Not used Oscillator output Oscillator input Connection to grounding circuit Sub-clock terminal TESTIN Test mode...
  • Page 127 AVX-P7300DVD *OZ960IS I=3uA NDR_B CTIMR NDR_B I=6uA Protection PDR_A PDR_A hys. Soft COMP Start POFF ACTIVE hys. "HIGH" COMP POFF Reference VDDA PGND sub. GNDA Burst- Mode OPLAMP 2.50V Control Phase-Shift Controller Ignition LPWM PDR_C PDR_C 1.25V NDR_D NDR_D BA6951FS...
  • Page 128 AVX-P7300DVD BA00ASFP Reference voltage BP5250-1 CONTROL CIRCUIT OVER CURRENT DRIVE DETECTION CIRCUIT CIRCUIT VCTL VADJ *PE5229A...
  • Page 129 AVX-P7300DVD Pin Functions(PE5285A) Pin No. Pin Name Format Function and Operation LCDPOW LCD power output Not used ROMDATA (ROM correction)data output ROMCLK (ROM correction)clock output ROMCS (ROM correction)chip select output 6-10 Not used reset (FLASH use) 12, 13 XT2, 1...
  • Page 130 AVX-P7300DVD Pin No. Pin Name Format Function and Operation TEST IC test pin(FLASH use) MODELIN Model select input 75, 76 KEYDT0, 1 Key input 0, 1 VDSENS MS2VD sense DISCSET (MS2)DISC sense input Not used MEMHLD Memory hold output(standby=L,active=H) adpw...

  • Page 131: Explanation

    AVX-P7300DVD - Electrical criteria 7.3 EXPLANATION Sensor signals 7.3.1 MECHANISM DESCRIPTION Encoder pulse - THE DRIVE MECHANISM SECTION DEGPUL1 : Pulse sensor 1 for angular detection - Outlines of the hardwares DEGPUL2 : Pulse sensor 2 for angular detection Sensor signals...
  • Page 132 AVX-P7300DVD - Ejection Operation 1. When the OPEN/CLOSE key is pressed or when the ACC is turned ON, the motor is driven in a high- speed mode. 2. The motor is driven in a low-speed mode, when the DEG0SW is switched from L to H.
  • Page 133 AVX-P7300DVD - Angular adjustments 1. When the UP key is pressed, the monitor is raised from its initial position (100 degrees), and will continue to rise until the key is released. The operation will stop one pulse after the release of the UP key.
  • Page 134 AVX-P7300DVD - Operations of the drive section for each set mode Mode setting Automatic ejection and retraction setting: ON ACC operation mode In OPEN condition During OPEN operation During CLOSE operation In CLOSE condition or when in or when in...

  • Page 135: Operational Flow Chart

    AVX-P7300DVD 7.3.2 OPERATIONAL FLOW CHART Power ON VDD=5V 68pin bsens 66pin BSENS=L asens 65pin ASENS=L dsens 63pin DSENS=L SWVDD←H 39pin ADPOW←L 6pin SYSPW←H 55pin Completes power-on operation.

  • Page 136: Operations And Specifications

    AVX-P7300DVD 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Key Finder Remote Controller POWER MENU AUDIO S.TITLE DISP BAND BSSM/ ANGLE ch call MENU V.SEL REAR WIDE ANGLE OPEN/CLOSE ANGLE CLEAR 0 OPEN/CLOSE (0) ( RGB button Remote control code )0STOP (7) button...

  • Page 137: This Product

    AVX-P7300DVD This Product The following diagram shows the display when it is deployed. @9 i @0 @7 !9 Note: • This product plays one standard 12 cm (5 in.) or 8 cm (3 in.) single disc at a time. Do not use an adapter when playing 8 cm (3 in.) disc.
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  • Page 142: Specifications

    AVX-P7300DVD 8.2 SPECIFICATIONS General Player Power source ..14.4 V DC (10.8 – 15.1 V allowable) System ........DVD-Video, Video CD, Grounding system ........Negative type Compact disc audio system Max. current consumption ........5 A Usable discs ..DVD-Video, Video CD, Compact disc Backup current ........Less than 12 mA...

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