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AVD-505

7.2 DISASSEMBLY

-

Removing the 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.

Note:When assembling, be careful not to catch the LCD

Panel flexible connector between the Grille Assy

and the Case Section.Remove the Case by either

pushing on the left or right of center of the side of

it.

-

Removing LCD Unit

1. Disconnect the two connectors.

2. Upright the tabs in four places indicated with arrows.

3. Remove the LCD Unit.

LCD Unit

Back Light Unit

-

Removing the Back Light Unit

1. Remove the six stoppers indicate the arrows, and

then remove the Back Light Unit.

Case Section

Flexible Connector

Grille Assy

Summary of Contents for AVD-505

Page 1: ...LY 28 7 3 BLOCK DIAGRAM 29 8 OPERATIONS AND SPECIFICATIONS 30 K ZZD JULY 1998 Printed in Japan 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 immedi...

Page 2: ...properly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to...

Page 3: ... 13 Protector CHP2024 14 Protector CHP2025 15 Owner s Manual See Contrast table 2 16 Polyethylene Bag E36 634 17 Cushion See Contrast table 2 18 Bracket Assy CEA2458 19 Warranty Card See Contrast table 2 20 Mounting Base See Contrast table 2 21 Inner Box See Contrast table 2 22 Cover CNV5716 1 PACKING SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 2 CONTRAST TABLE AVD 5...

Page 4: ...4 AVD 505 2 2 EXTERIOR ...

Page 5: ...30 Spacer CNM5468 31 Grille Assy See Contrast table 2 32 Slider Unit CXB2312 33 Screw BPZ26P080FZK 34 Screw CBA1082 35 Screw CBA1083 36 Cord Assy CDE5561 37 Bracket CNC7510 38 Bracket CNC7511 39 Case CNS4816 40 Cover CNS4883 41 Cover CNS4884 42 Screw CPZ26P080FZK 43 Plug CN2002 CKS3274 44 Plug CN2003 CKS3282 45 Connector CN2001 CKS3764 46 Gathering PCB CNX2872 47 Bracket CNC5685 48 Cushion CNM6042...

Page 6: ... SWITCHING REGULATOR 7 75V 23 24 2 3 1 LCD UNIT A RELAY UNIT B A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page 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 A A a B ...

Page 7: ...7 AVD 505 5 6 7 8 A B C D 5 6 7 8 7 8 19 18 17 14 15 16 22 21 20 13 12 11 10 9 BRIGHT VOLUME BUFFER LCD CONTROL COM AMP VIDEO SIGNAL PROCESSOR CLAMP CIRCUIT 8 9V 10 9V 16 0V A A b ...

Page 8: ...8 AVD 505 A 1 2 3 4 B C D 1 2 3 4 RED SIGNAL SYNCHRONIZING SIGNAL REMOTE CONTROL SENSOR DC DC CONVERTER BUFFER CLAMP CIRCUIT SWITCHING REGULATOR 23 24 1 LCD UNIT A Y UNIT A a A b A a B ...

Page 9: ...9 AVD 505 5 6 7 8 A B C D 5 6 7 8 4 5 6 7 DC AC INVERTER REGULATOR 7 75V 2 3 RELAY UNI B A a A a A b B ...

Page 10: ...10 AVD 505 A 1 2 3 4 B C D 1 2 3 4 19 18 17 14 15 16 22 21 20 13 12 11 10 9 LCD CONTROL COM AMP 8 9V 10 9V 16 0V A a A b A b ...

Page 11: ...11 AVD 505 5 6 7 8 A B C D 5 6 7 8 8 19 18 BRIGHT VOLUME VIDEO SIGNAL PROCESSOR A b A a A b ...

Page 12: ...20µs div CH1 5V div 2µs div CH1 5V div 5µs div CH1 1V div CH2 CH3 5V div 20µs div CH1 1V div CH2 CH3 5V div 20µs div CH1 1V div CH2 CH3 5V div 200µs div Note The encircled numbers denote measuring pointes in the circuit diagram 1 4 3 5 7 2 8 6 7 9 0 7 7 1 2 3 1 1 2 1 1 1 2 3 1 2 3 1 2 3 ...

Page 13: ... 1V div CH2 CH3 5V div 2µs 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 CH1 1V div CH2 CH3 5V div 50µs div 7 7 7 21 22 7 23 24 1 2 3 1 2 3 1 2 1 2 3 1 2 3 ...

Page 14: ...14 AVD 505 A 1 2 3 4 B C D 1 2 3 4 4 PCB CONNECTION DIAGRAM 4 1 LCD UNIT A LCD UNIT A BACKLIGHT UNIT ...

Page 15: ...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 Capacitor Connector P C Board Chip Part SIDE A SIDE B 2 Viewpoint of PCB diagrams A SIDE A CN2001 B BACKLIGHT UNIT LCD PANEL ...

Page 16: ...16 AVD 505 A 1 2 3 4 B C D 1 2 3 4 LCD UNIT A A ...

Page 17: ...17 AVD 505 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...

Page 18: ...18 AVD 505 A 1 2 3 4 B C D 1 2 3 4 A 4 2 RELAY UNIT SIDE A SIDE B RELAY UNIT B RELAY UNIT B CN1003 CORD ASSY B ...

Page 19: ... MA153 L 1001 Coil CTH1195 L 1002 Inductor LCTB120K2125 L 1003 Inductor LCTA101K3225 L 1004 Inductor LCTA101K3225 L 1005 Inductor CTF1338 L 1006 Inductor LCTA101K3225 L 1052 Inductor LCTB120K2125 L 1053 Choke Coil 100µH CTH1179 L 1101 Choke Coil 120µH CTH1205 L 1102 Choke Coil 100µH CTH1179 L 1351 Inductor LCTA150K3225 L 1381 Inductor LCTA100K3225 L 1401 Inductor LCTA100K3225 L 1402 Inductor LCTB1...

Page 20: ...J R 1352 RS1 10S750J R 1353 RS1 10S750J R 1356 RS1 16S0R0J R 1381 RS1 10S360J R 1382 RS1 10S390J R 1386 RS1 16S563J R 1387 RS1 16S563J R 1388 RS1 10S152J R 1391 RS1 16S334J R 1401 RS1 16S101J R 1402 RS1 16S101J R 1403 RS1 16S101J R 1409 RS1 16S101J R 1416 RS1 16S101J R 1417 RS1 16S101J R 1418 RS1 16S101J R 1421 RS1 16S473J R 1422 RS1 16S333J R 1423 RS1 16S473J R 1424 RS1 16S333J R 1425 RS1 16S393J...

Page 21: ...KSQYB103K50 C 1059 CKSQYF105Z25 C 1060 CASAQ470M16 C 1063 CKSQYB102K50 C 1103 CFHSN104J50 C 1104 CFHSN473J50 C 1105 CKSQYF104Z50 C 1106 CASAQ470M16 C 1107 CKSQYB562K50 C 1109 CKSQYB393K25 C 1110 CFHSN683J50 C 1151 CEV100M16 C 1152 CKSRYB103K50 C 1153 CEV100M16 C 1154 CKSRYB103K50 C 1155 CEV1R0M50 C 1171 CKSRYF104Z25 C 1201 CKSRYB103K50 C 1351 CEV101M10 C 1352 CKSRYF104Z25 C 1356 CKSQYF105Z25 C 135...

Page 22: ...21J50 C 1554 CCSRCH471J50 C 1601 CEV100M16 C 1602 CKSRYF104Z25 C 1603 CEV470M16 C 1604 CKSRYF104Z25 C 1605 CEV220M16 C 1606 CKSRYF104Z25 C 1607 CEV100M25 C 1608 CKSRYF104Z25 C 1609 CKSRYF104Z25 C 1610 CKSRYF104Z25 C 1651 CEV330M25 C 1652 CEV330M25 C 1653 CKSRYF104Z25 C 1654 CKSRYF104Z25 C 1655 CKSQYF105Z25 C 1657 CKSQYF105Z25 C 1658 CKSRYF104Z25 C 1681 CEV100M16 C 1701 CSZSC220M10 C 1702 CKSRYF104...

Page 23: ...1503 VR1403 VR1413 VR1405 VR1412 VR1404 VR1409 TP SGNDV TP SYSYN TP SPVI TP SPFL TP SGNDF TP ANR TP ANB TP ANG TP CSYNC TP V8R0 TP ROUT TP GOUT TP BOUT TP BRIGHT TP SYNOUT TP COM TP GNDFL TP VCC TP VGL TP PWRVI TP VM16 TP V8 TP V13 TP V5R3 TP VFL TP RTH Test Point ...

Page 24: ... p 75 terminal 9 Confirm RGB TP CSYNC Oscilloscope 63 5 2 0µSec Csync input 10 Sub bright RGB Bright volume to TP BRIGHT DC DC V Meter 2 15 0 05V VR1409 Adjustment centre click position 11 PLL Adjustment RGB Random video signal input TP RTH Frequency 15 734 0 01kHz L1503 TP SYNCOUT GND counter 12 Black level RGB TP ANG GND or else open TP GOUT Oscilloscope Amplitude VR1413 Adjustment TP ANR random...

Page 25: ... 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 1 Aging Random Set state of operation Exceeding White 100 or else animation 20minutes display 2 Flicker Random Line reverse video signal Flickering By eye Adjustment for VR1651 Adjustment ho...

Page 26: ...26 AVD 505 IR3Y29A LZ9GF16 TC7S14FU 20 21 40 41 60 61 80 1 1 3 2 NC IN A GND OUT Y VCC 4 5 ...

Page 27: ...er clock signal output 23 LOWO O Gate driver control signal output 24 CTR O Source driver control signal output 25 SPD O Source driver start signal output 26 CLD O Source driver clock signal output 27 OSCO O Clock oscillation circuit output 28 OSCI I O Clock oscillation circuit input output 29 SAMO O Source driver control signal output 30 VDD Power supply 5V 31 GND Power supply ground 32 TESTI I I...

Page 28: ... catch the LCD Panel flexible connector between the Grille Assy and the Case Section Remove the Case by either pushing on the left or right of center of the side of it Removing LCD Unit 1 Disconnect the two connectors 2 Upright the tabs in four places indicated with arrows 3 Remove the LCD Unit LCD Unit Back Light Unit Removing the Back Light Unit 1 Remove the six stoppers indicate the arrows and ...

Page 29: ...29 AVD 505 7 3 BLOCK DIAGRAM A B LCD UNIT RELAY UNIT ...

Page 30: ... CAUTION To avoid unsafe conditions do not adjust the LCD screen while driving Component parts and features COLORDISPLAY Display rear side 1 BACK LIGHT switch 2 BRIGHT control 3 VOLUME control 6 POWER indicator light 5 Signal receptor 4 Speaker ...

Page 31: ...of the LCD screen may appear lighter or darker depending on the angle of vision In this case the brightness of the image can be adjusted with the BRIGHT control 3 VOLUME control Controls the volume of the display speaker Make sure the volume level of your system is set to a level that will permit you to hear outside traffic or emergency vehicles 4 Speaker 5 Signal receiver This receiver receives s...

Page 32: ...splay area 114 2 83 5 mm 4 1 2 3 1 4 in Pixels 224 640 960 234 Type TFT active matrix transmissive type Operating temperature range 10 50 C 14 122 F Storage temperature range 20 80 C 4 176 F Speaker ø 36 mm 1 3 8 in Dimensions 160 W 119 H 59 D mm 6 1 4 W 4 5 8 H 2 3 8 D in Weight 820 g 1 8 lbs Note The specifications and design are subject to change without prior notice Products purchased may diff...

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