Onkyo HT-R380 Service Manual

TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2
TROUBLE SHOOT- 2
No Display
A
1
2
3
4
5
BCDEFGH
FLD_CLK FLD_SDD(DATA) FLD_CS
V:1V/cm
H:02Msec/cm
V:1V/cm
H:10µsec/cm
V:1V/cm
H:1µsec/cm
No Display
YES
YES
NO NO
NO
NO
YES
YES
NO
YES
Timing of Serial Communication
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.
The results depend on the oscilloscope.
Fluorescent Display Tube
is not working?
Replace Fluorescent
Display Tube or
BADIS-0373/0387(Display
Board).
BAPS-0342/0349/0356(-VP Board)
JL953 between 2pin-4pin:
AC3.3V
BAPS-0342/0349/0356
(-VP Board)
JL951 1pin-2pin AC3.3V
BAPS-0342/0349/0356
(-VP Board)
R950(8.2 ) is disconnected?
BAPS-0342/0349/0356 (-VP Board)
Replace R950 (8.2 ) or -VP Board
Replace Power transformeror
Repair its peripheral circuit.
BAPS-0342/0349/0356
(-VP Board)
Replace -VP Board or
Check for signal line
damage etc. and fix any
damages.
BAPS-0342/0349/0356 (-VP Board)
JL953 3pin -33V
1pin and 5pin +3.3V
BAPS-0342/0349/0356(-VP Board)
JL951 3pin-4pin AC40V
BAPS-0342/0349/0356 (-VP Board)
Replace -VP Board or
Repair
Q960/D960/D962/R961 and
their peripheral circuit.
BADIS-0373/ 0387
(Display
Board)
P701
26pin FLD_SDD
27pin FLD_CLK
28pin FLD_CS
Transmission of each
of the signals is
correct?
BADG-0413(MPU Board)
Replace
or Repair Q701 and
their peripheral circuit.
MPU Board.
Replace Display Board
or repair Q7003 and
their peripheral circuit.
1 byte data
address data
1 byte data
data to be
YES
BADIS-0373/ 0387
(Display
Board)
NO
NO
YES

Onkyo HT-R380 Specifications

General

Channels	5.1
HDMI Inputs	4
HDMI Outputs	1
Weight	17.6 lbs
Response Bandwidth	10 Hz - 100 kHz
THD	0.08%
Input Impedance	47 kOhm
Input Sensitivity	200 mV
Tuner Bands	AM/FM
Surround System Class	5.1 channel
Digital Sound Processor (DSP)	Yes
HDMI Switching	Yes
Bluetooth	No
HDMI Version	1.4a
Power Output	100W per channel (6 ohms, 1 kHz, 1% THD, 1 channel driven)
Dolby Technologies	Dolby Digital, Dolby Digital Plus, Dolby TrueHD
DTS Technologies	DTS, DTS-HD Master Audio
DSP Presets	Game, Movie, Music
Input Video Formats	HDMI
Audio D/A Converter	24bit / 192kHz
Inputs	HDMI, Composite, Optical, Coaxial
Outputs	HDMI, Composite