Onkyo TXSR 343 Service Manual

Page 1

Ref.No. : 4517-R3

AV RECEIVER 3 er Vi C 9 Manual

TX-SR343

V Front Cover This a e

V Pre Issue (2015-Apr) V Note for Parts List
V Final Issue (2015-May) V Panel
V Reset

V Amp Diaq Mode afterAbnormal Conditions
V Model and Destination
V Firmware
Adjustment ( Unnecessary)
V Hookug and Setting
V Trouble Shoot
V Disassembly
V Schematic Diagram
V Exploded View
V Apgendix

SAFETY-RELATED COMPONENT WAHNINGI! {COMPONENTS IDENTIFIED BY MARK A ON
THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK, REPLACE THESE COMPONENTS WITH DNKYD PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL MAKE LEAKAGEVCURRENT OR
RESISTANCE MESUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY
INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE
CUSTOMER,

ONKYO®

Published by Onkyo & Pioneer Corporation Grobal CS Department

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No Picture (HDMI in/ out) Tr uble Shoot

Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained.
Of course, with actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly.

Process Check Point Damaged PCB
P2801 B (BAPRC-1758) No Good I
1 0 No.2 pin : +15V 0K BAND-1735
2 _, BAPRC-1758

BAPRC-1758 BAVD-1735

0 Each voltage is shown as the reference value.

Value error: Plus or minus 15/0 TX-SR343/444/HT-R494
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