DOWNLOAD Sharp XV-Z21000 (serv.man3) Service Manual ↓ Size: 864.87 KB | Pages: 15 in PDF or view online for FREE

Model
XV-Z21000 (serv.man3)
Pages
15
Size
864.87 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Troubleshooting Table
File
xv-z21000-sm3.pdf
Date

Sharp XV-Z21000 (serv.man3) Service Manual ▷ View online

XV-Z20000/XV-Z21000/DT-5000
5 – 1
XV-Z20000
Service Manual
 
CHAPTER 5. 
TROUBLE SHOOTING TABLE
[1] TROUBLE SHOOTING TABLE
Checking the basic performance
Is the POWER LED on or flickering in red or 
blue?
NO
Go to "Checking the power unit"
YES
Is the set turned on by the set's or remote 
controller's power key?
NO
Go to "Checking the microcomputer 
peripherals"
YES
Is the cooling fan running? Is the lamp on?
NO
Go to "Checking the lamp light-up".
YES
Is the user menu displayed?
NO
Check the formatter circuit's peripheral circuits 
and go to “checking the PC PWB”
YES
Is the video input (VIDEO, S-VIDEO) as 
specified?
NO
Are there output signals at TL3053, TL3504, 
TL3517?
NO
Check the Q2501, 
Q2502, Q2504 and their 
peripheral circuits.
YES
YES
Go to “checking the PC PWB”
Is the component input (C1, C2) as speci-
fied?
NO
Are there output signals at TL3506, TL3508, 
TL3512?
NO
Check the IC2501, 
IC2502 and their periph-
eral circuits.
YES
YES
Check the PC board circuit's peripheral circuits.
Is the RGB input (DVI) as specified?
NO
Check the PC board circuit's peripheral circuits.
YES
Does the RS-232C interface function?
NO
Are there output signals at every other pin from 
pins (10) to (40) of P3580?
NO
Check the IC2001 circuit 
and its peripheral cir-
cuits.
YES
YES
Check the IC5003 on the PC PWB
Recommended
communication software: "TERA TERM"
Make the following settings: baud rate at 
9600 bps, bit length at 8 bits, stop bit at 1 bit 
and no parity. Press the RETURN key on the 
keyboard. Does "ERR" show up again?
NO
Check the IC5003 on the PC PWB
YES
END
XV-Z20000/XV-Z21000/DT-5000
5 – 2
Checking the power unit
Are all the connectors inside the 
power unit tightly connected?
NO
Insert the connectors P702, P704, CN90 
and P703 tightly.
YES
Is the lamp cover closed completely?
NO
Tighten up the lamp door closed with the 
screws.
YES
Is the bimetal switch off?
NO
Replace the bimetal switch or press the 
red button to reset.
YES
Is AC voltage applied across the 
RY701 relay?
NO
Replace F701.
YES
Is AC voltage applied across L706?
NO
Replace F702.
YES
Is there DC voltage of about 6 V 
across C723?
NO
Check the T701, L705, R706, R718. 
Replace any of them as required.
YES
Is a voltage of DC370V applied to 
C737 and C740?
NO
Check the circuits leading to the primary 
side of T704 for damage. 
Replace any of them as required.
YES
Is there the specified voltage at the 
output terminal of P704?
NO
Check the circuits leading to the second-
ary side of T704 for damage. 
Replace any of them as required.
YES
Check the output PWB.
XV-Z20000/XV-Z21000/DT-5000
5 – 3
Check of the microprocessor's 
peripheral circuits
The power indicator does not light 
up?
YES
Check the power supply BU6V system 
and output voltage of IC2810 and IC2002. 
Check peripheral circuits of IC2005.
NO
When connecting to an AC outlet, the 
power indicator lights red for a 
moment and flashes red at 1-second 
intervals?
YES
Check the lamp door and lamp switch. Try 
to press the red button of bimetal SW.
 Check each output of power supply.
NO
The power indicator flashes red at 4-
second intervals?
NO
Go to “Check of lamp lighting”.
YES
Check the voltage of TL6503 on the 
PC board unit. 
Is it 3V or more?
NO
Check the output voltage of DCDC regula-
tor IC on the main unit and PC board unit.
YES
Is clock output to TL5015 on the PC 
board unit?
NO
Are X5001 (16.59 MHz) and X5002 
(32.768 MHz) oscillated? 
Or check peripheral circuits of IC5003.
YES
Is pulse output to TL5009 when con-
necting to an AC outlet?
NO
Check peripheral circuits of IC2005.
YES
Check peripheral circuits of IC5003, 
IC5101 and IC5104.
Check of lamp lighting
The lamp indicator lights blue and goes out in 
about 15 seconds. The power indicator flashes 
red at 1-second intervals.
YES
Check the 13 V power supply and the 
cooling fan drive circuit.
NO
The lamp flashes blue, but it lights solid red after 
about one minute.
YES
The lamp or the ballast unit is defective.
NO
The lamp lights up. After about 100 seconds, the 
TEMP warning indicator appears on the screen, 
and the unit enters the stand-by. (The power indi-
cator and temperature monitor indicator flash red.)
YES
If TEMP error occurs even at low ambient 
temperatures, check the TEMP1 and 
TEMP3 signal lines. Check the fan.
NO
Go to "The lamp is flashing blue continuously".
XV-Z20000/XV-Z21000/DT-5000
5 – 4
The lamp is flashing blue continu-
ously.
Is a voltage of 2.5 V or more present 
at pins TL6610 in the PC PWB unit?
NO
Check IC2005 (sub-microcomputer) and 
peripheral parts.
YES
Is a voltage of 3 V or more present at 
TL6611 in the PC PWB unit?
YES
Check IC2005 (sub-microcomputer) and 
peripheral parts.
NO
Are a 1 Vp-p clock signals present at 
R8731, R8732 in the formatter unit?
NO
Check X8701, Check the peripheral cir-
cuits of IC8711 and IC8712.
YES
Is power output of IC9701 and 
IC9702 normal? (1.8V/1.2V/2.5V/
3.3V)
NO
Check peripheral circuits of IC9701 and 
IC9702.
YES
Is a pulse present at each address 
pin of IC8602 and IC9602 in the for-
matter unit, immediately after turning 
the power on?
NO
IC9101 is defective.
YES
Is a pulse being output to each data 
pin of IC8602 and IC9602 in the for-
matter unit, immediately after turning 
the power on?
NO
IC8602 or IC9602 is defective.
YES
Are IC8602 and IC9702 warm when 
touching them?
NO
Check IC8301 and IC9301 and peripheral 
circuits of IC8601 and IC9601.
YES
Is a motor drive pulse present at pins 
(2), (3), and (4) of P9701 in the for-
matter unit?
NO
Check IC9701 and its peripheral circuits.
YES
Is a pulse present at pin (4) of P8901 
in the formatter unit?
NO
The color wheel unit is defective.
YES
IC8301 or IC9301 is defective.
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Sharp XV-Z21000 (serv.man3) Service Manual ▷ Download

  • DOWNLOAD Sharp XV-Z21000 (serv.man3) Service Manual ↓ Size: 864.87 KB | Pages: 15 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp XV-Z21000 (serv.man3) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp XV-Z21000 (serv.man3) Projector. Information contained in Sharp XV-Z21000 (serv.man3) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.