Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio HT-R380 hfe_onkyo_ht-r380_service_en
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HT-R380
Ref. No. 4188
032010
SERVICE MANUAL
AV RECEIVER
MODEL HT-R380(B) (B) : Black model
AV RECEIVER in "HTiB(Home-Theater-in-a-Box)"
"HT-R380(B)" in "HT-S3300(B)"
RC-762M
: 120V,Canadian model
: 220/230-240V,Saidi Arabian model
: 220/230-240V,Hong kong model
"HT-R380(B)" in "HT-S3305(B)"
: 230V,CE(European) country model
"HT-R380(B)" in "AVX-380(B)"
: 230V,CE(European) country model
: 230V,UK model
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2
TROUBLE SHOOT-1 This is just for general reference and does not including every single case.
No Power
No Power
BAETC-0376/0390
(Power supply)
BADG-0364 (MPU Board) BADG-0364 (MPU Board)
BAETC-0376/0390 (Power supply) YES NO
TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2
After Power on, Replace Q701 and also
BADG-0364 (MPU Board) Voltage atJL901_1pin is changed repairits peripheral circuit.
JL901 4pin +12V from +12V t o 0V?
2pin +10V
NO YES
BAETC-0376/0390 (Power supply) BAETC-0376/0390
Replace Power Supply Board orRepair (Power Supply)
Sub Transformer T902 and itsperipheral F901 is blown out?
circuit.
YES NO
After replacing F901 on BADG-0346 (MPU Board)
NO After Power on, Voltage at YES
BAETC-0376/0390 (Power supply)
P2001 22/21pin +5V
either of F901 on Power supply Board Replacing F901 will not
17/18pin +12V
improve the unit.
or F6901/F6902 on BAAF-0341(AF
Board) blows out?
NO
YES
BAETC-0359/0352/0345/ BAVD-0375/0389
BAAF-0355(AF Board) (trans teminal Board) (Video board)
After Power on, Voltage at
YES
Replace Video Board or
Replace "AF Board". JL952 AC10V Repair D901/Q9023/Q9031
or "D6901 (Power supply diode)" and their peripheral circuit.
"Power AMP(Final_TR and A_Class AMP) "
NO
and also repair their peripheral circuit.
Replace Power
Transformer or
Repair its peripheral circuit.
TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2
A B C D E F G H
TROUBLE SHOOT- 2 This is just for general reference and does not include every single case.
The above waveforms are got by Oscilloscope of Maximum Horizontal Sensitivity: 100MHz.
No Display The results depend on the oscilloscope.
1 No Display
Fluorescent Display Tube
NO BAPS-0342/0349/0356(-VP Board) BAPS-0342/0349/0356 (-VP Board) BADIS-0373/ 0387
is not working? JL953 between 2pin-4pin: AC3.3V JL953 3pin -33V (Display Board)
YES YES P701 BADIS-0373/ 0387
1pin and 5pin +3.3V
26pin FLD_SDD (Display Board)
YES
NO NO 27pin FLD_CLK YES Replace Display Board
28pin FLD_CS or repair Q7003 and
Replace Fluorescent BAPS-0342/0349/0356
Display Tube or BAPS-0342/0349/0356(-VP Board) Transmission of each their peripheral circuit.
(-VP Board)
BADIS-0373/0387(Display JL951 1pin-2pin AC3.3V JL951 3pin-4pin AC40V of the signals is correct?
2 Board). NO
YES NO
NO
BAPS-0342/0349/0356 BAPS-0342/0349/0356
NO
(-VP Board) (-VP Board) Replace Power transformeror BADG-0413(MPU Board)
Replace -VP Board or R950(8.2 ) is disconnected? Repair its peripheral circuit.
Check for signal line YES Replace MPU Board.
damage etc. and fix any or Repair Q701 and
YES their peripheral circuit.
damages.
BAPS-0342/0349/0356 (-VP Board) BAPS-0342/0349/0356 (-VP Board)
Replace R950 (8.2 ) or -VP Board Replace -VP Board or Repair
3
Q960/D960/D962/R961 and
their peripheral circuit.
FLD_CLK FLD_SDD(DATA) FLD_CS
V:1V/cm
H:02Msec/cm
4
Timing of Serial Communication
V:1V/cm
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