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Owner's Manual
S
ervice
M anua l
COLOR DISPLAY
AVD-505
- Precautions on Safety for Replacement of Backlight
• High voltage is generated in the inverter when the power is supplied to the system. To avoid an electric
shock, reconfirm that the power switch is set to OFF before starting operation.
• The fluorescent tube and high-voltage parts have high temperature immediately after the power
switch of the main unit is set to OFF. To avoid burning your hand or similar accidents, wait awhile after
turning the power to OFF, then start operation.
• High voltage may be charged to the inverter immediately after the power switch of the main unit is set
to OFF. Wait awhile after turning the power to OFF, then start operation.
• In some cases, the fluorescent tube of backlight may be damaged. Take adequate caution for injury
during operation.
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. SCHEMATIC DIAGRAM .............................................6
4. PCB CONNECTION DIAGRAM ................................14
5. ELECTRICAL PARTS LIST ........................................19
6. ADJUSTMENT..........................................................23
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 23880
C PIONEER ELECTRONIC CORPORATION 1998
• AVD-505/US
COLOR DISPLAY
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
7. GENERAL INFORMATION .......................................25
7.1 IC ........................................................................25
7.2 DISASSEMBLY ...................................................28
7.3 BLOCK DIAGRAM ..............................................29
8. OPERATIONS AND SPECIFICATIONS.....................30
K-ZZD. JULY 1998 Printed in Japan
ORDER NO.
CRT2239
US,EW
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Summary of Contents for Pioneer AVD-505
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Page 1: Table Of Contents
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 23880 C PIONEER ELECTRONIC CORPORATION 1998 K-ZZD. JULY 1998 Printed in Japan... -
Page 2: Safety Information
AVD-505 1. SAFETY INFORMATION CAUTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. - Page 3 See Contrast table (2 See Contrast table (2 21 Inner Box See Contrast table (2 22 Cover CNV5716 (2) CONTRAST TABLE AVD-505/US and AVD-505/EW are constructed the same except for the following: Part No. Mark No. Description AVD-505/US AVD-505/EW 1 Card ARY1048...
- Page 4 AVD-505 2.2 EXTERIOR...
- Page 5 CWM5724 50 Screw HMB40P060FZK 51 Screw BMZ40P040FZK 52 Mounting Base See Contrast table (2 (2) CONTRAST TABLE AVD-505/US and AVD-505/EW are constructed the same except for the following: Part No. Mark No. Description AVD-505/US AVD-505/EW 31 Grille Assy CXB3537 CXB2132...
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Page 6: Schematic Diagram
AVD-505 3. SCHEMATIC DIAGRAM 3.1 LCD UNIT AND RELAY UNIT(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. LCD UNIT REMOTE CONTROL SENSOR Large size SCH diagram DC-DC CONVERTER... - Page 7 AVD-505 LCD CONTROL BUFFER -8.9V -10.9V -16.0V COM AMP CLAMP CIRCUIT BRIGHT VOLUME VIDEO SIGNAL PROCESSOR...
- Page 8 AVD-505 UNIT A-a B...
- Page 9 AVD-505 RELAY A-a B...
- Page 10 AVD-505...
- Page 11 AVD-505...
- Page 12 AVD-505 Note:The encircled numbers denote measuring pointes in the circuit diagram. - Waveforms CH1:5V/div. 5µs/div. CH1:DC 10V/div. 5µs/div. CH1, CH2, CH3:2V/div. 1ms/div. CH1:1V/div., CH2, CH3:5V/div. 20µs/div. CH1:1V/div., CH2, CH3:5V/div. 20µs/div. CH1, CH2:2V/div. 20µs/div. CH1:1V/div., CH2, CH3:5V/div. 200µs/div. CH1:5V/div. 2µs/div.
- Page 13 AVD-505 CH1:1V/div., CH2, CH3:5V/div. 2µs/div. CH1:1V/div., CH2, CH3:5V/div. 50µs/div. CH1:1V/div., CH2 5V/div., CH3:10V/div. 20µs/div. CH1:1V/div., CH2:5V/div. 50µs/div. & CH1 , CH2, CH3:5V/div. 20µs/div.
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Page 14: Pcb Connection Diagram
AVD-505 4. PCB CONNECTION DIAGRAM 4.1 LCD UNIT LCD UNIT... - Page 15 AVD-505 NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary 2. Viewpoint of PCB diagrams SIDE A parts for several destination. Capacitor Connector For further information for respective destinations, SIDE A be sure to check with the schematic diagram.
- Page 16 AVD-505 LCD UNIT...
- Page 17 AVD-505 SIDE B...
- Page 18 AVD-505 4.2 RELAY UNIT SIDE A CN1003 RELAY UNIT CORD ASSY SIDE B RELAY UNIT...
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Page 19: Electrical Parts List
AVD-505 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 20 AVD-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- EF 1552 CCG1067 1356 RS1/16S0R0J EF 1801 CCG1067 1381 RS1/10S360J EF 1802 CCG1067 1382 RS1/10S390J 1386 RS1/16S563J RESISTORS 1387...
- Page 21 AVD-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1532 RS1/16S564J 1063 CKSQYB102K50 1533 RS1/16S561J 1103 CFHSN104J50 1536 RS1/16S561J 1104 CFHSN473J50 1538 RS1/16S153J 1105 CKSQYF104Z50 1539 RS1/16S123J 1106...
- Page 22 AVD-505 =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- 1513 CCSRCH101J50 1514 CCSRCH470J50 1515 CCSQSL102J50 1516 CKSRYF104Z25 1517 CCSQCH561J50 1518 CKSRYF104Z25 1519 CKSRYF104Z25 1521 CCSQSL102J50 1522 CCSRCH181J50 1523 CCSRCH221J50 1524 CCSRCH221J50 1526 CKSRYF104Z25 1528 CKSRYF104Z25 1531 CCSRCH820J50 1532...
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Page 23: Adjustment
AVD-505 6. ADJUSTMENT - Adjustment Point VR1409 VR1404 VR1412 VR1403 VR1413 VR1405 VR1651 VR1051 L1503 VR1001 TP·SYSYN TP·SGNDV TP·SPVI TP·SGNDF TP·SPFL - Test Point TP·CSYNC TP·V5R3 TP·ROUT TP·GOUT TP·BRIGHT TP·RTH TP·BOUT TP·V8R0 TP·SYNOUT TP·ANG TP·ANB TP·ANR TP·VM16 TP·V13 TP·COM TP·V8 TP·VGL... - Page 24 AVD-505 - PCB Adjustment Order Order Item Mode Input signal Output signal Measuring Specification Adjustment (input point, waveform, (measuring point, instrument point specification, alternative wave form,circuit measuring conditions) explanation) TP·PWRVI···14.4 ± 0.2V Power ON TP·GNDVI···GND TP·GNDV···GND 5.3 ± 0.1V 5.3V Adjustment TP·V5R3···DC...
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Page 25: General Information
AVD-505 Order Item Mode Input signal Output signal Measuring Specification Adjustment (input point, waveform, (measuring point, instrument point specification, alternative wave form,circuit measuring conditions) explanation) B Sub-bright Step signal or else white 50% TP·GOUT, TP·BOUT Oscilloscope Superimpose VR1403 Adjustment video signal... - Page 26 AVD-505 IR3Y29A *LZ9GF16 *TC7S14FU IN A OUT Y...
- Page 27 AVD-505 - Pin Functions (LZ9GF16) Pin No. Pin Name Function and Operation Vertical synchronizing signal input (positive electrode) CVOP Vertical synchronizing countdown output CVIN Vertical synchronizing countdown input DVOP Digital separation vertically synchronized output (positive electrode) FRPT Signal output for common electrode drive signal polarity inversion...
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Page 28: Disassembly
AVD-505 7.2 DISASSEMBLY - Removing the Case Section Case Section 1. Remove the four screws. 2. Remove the three stoppers indicated by the arrows, and lift the Case Section 3. Disconnect the connectors at the three locations and remove the Case Section. -
Page 29: Block Diagram
AVD-505 7.3 BLOCK DIAGRAM... -
Page 30: Operations And Specifications
AVD-505 8. OPERATIONS AND SPECIFICATIONS CAUTION • To avoid unsafe conditions, do not adjust the LCD screen while driving. Component parts and features BACK LIGHT switch BRIGHT control VOLUME control Speaker L O R D IS P L A Display rear side... - Page 31 AVD-505 1 BACK LIGHT switch 3 VOLUME control The brightness of the light built into Controls the volume of the display the display to illuminate the LCD speaker. screen (the back light) can be set to Softer Louder either of two levels: Bright or Dark.
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Page 32: Connection Diagram
AVD-505 Connection diagram Color Display AVD-505/US LO R D IS PL AY Audio Visual Master Unit AVM-P505R/UC Specifications General Display Power source .. 14.4 V DC (10.8 — 15.1 V allowed) Screen size ..........5.6 in. dia. (effective display area: 114.2 ´ 83.5 mm) Grounding system ......