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Home >> PIONEER >> XV-LX61DV/WLPWXJ Service Manual
 
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PIONEER XV-LX61DV/WLPWXJ
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of PIONEER XV-LX61DV/WLPWXJ Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 28 (click to view)
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5.5 USB/iPod TROUBLESHOOTING
A

iPod block Troubleshooting
Step 1: Check of power supply
* Turn ON the power of product and check the power supply by iPod function. 4in1 MOD ASSY SYSMAIN ASSY

6

IC1003 (Pins 25,26)

USB bus power (V5USB)

1

IC1 (Pin 5)

3.3V regulator output (V3D) Is the voltage 3.3 V ? No Replace of IC1. Yes Power supply is OK To step 2

B

Is the voltage 3.3 V ? Yes

No

Is IC1 abnormally hot ? Yes

No

7

IC1102 (Pin 1)

The output and GND maybe short-circuited. Check the peripheral circuit.

Is the voltage 5V? Yes

No

2

Q471 (collector) Is the voltage 3.3 V ? Yes

Local power supply for 3.3V USB (V+3DU)

(S60,Is Pin 4 USBCTRL) of IC1102 high? Yes

No

No Is base (USB PWR) of Q472 high? Yes

No

Check the voltage Pin 60 (USB CTL) of IC1001 at 5V.

C

Check the voltage Pin 19 (USB POWER) of CN3 at 5V.

Check the peripheral circuit of IC1102, and is not XFALG LOW? Replace of IC1102. Check the pattern between IC1101 and CN1003.

Check the peripheral circuit of Q471 and Q472. Replace of Q471 and Q472.

3
D

IC401 (Pins 19,39) USB u-COM (V3US)

Is the voltage 3.3 V ? Yes

No

Check the pattern between Q471 and IC401.

4

IC408 (Pins 1,40)

iPod activation IC (V3UI)

Is the voltage 3.3 V ?
E

No

Check the pattern between Q471 and IC408.

Yes

5

IC501, IC502 (Pin 5) USB signal switching IC (V3D)

Is the voltage 3.3 V ? Yes

No

Check the pattern between Q471 and IC501, IC502.

F

USB SW (iPod Digital audio signal switching)

28
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XV-LX61DV
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