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