Onkyo A-905TX Service Manual

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SERVICE MANUAL

INTEGRATED STEREO AMPLIFIER
A-905TX
INTEGRATED STEREO AMPLIFIER
CD MD TUNER TAPE
STANDBY/ON
LINE/ DVD CDR/PC
STANDBY
BASS TREBLE BALANCE
POWER PHONES
ON OFF
— + — + L
UDT 120V AC, 60Hz
UPT 230-240V AC, 50Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
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.
x ao u163
y
i
2 9
8
VOLUME
WIDE RANGE AMP TECHNOLOGY
INPUT
DIRECT
SOURCE DIRECT
DIRECT
ACOUSTIC
PRESENCE
TONE
OFF /1/ 2
R
A-905TX
Q Q
3 6 7 1 3 1 5
ON THE
co
.
A-905TX
9 4 2 8
Ref. No. 3677
052001
STANDBY/ ON
GRAPHIC EQ
CLOCK SLEEP EFFECT MODE
TUNER INPUT
PRESET
F M A M
TAPE
PAUSE / STEP DVD
M D
REPEAT SCROLL
PLAY MODE CLEAR REC
REPEAT RANDOM C D
MEMORY CLEAR
DISC
CDR
REPEAT PLAY MODE
TONE CLEAR REC
MUTING
1 2 3
TIMER
4 5 6
UP/DOWN
7 8 9
VOLUME
ACOUSTIC
PRESENCE
- - / - - -
10 / 0
ENTER
REMOTE CONTROLLER RC - 456 S
0 5 8 2 9 9 4 2 8
m
9 9
9 9