TX-SR504/504E/8450
SERVICE MANUAL
AV RECEIVER
TX-SR504 Black, Silver and Golden models
MODEL TX-SR504
MODEL TX-SR504E
MODEL TX-SR8450
120V AC, 60Hz
120/220-240V AC, 50/60Hz
220-230V AC, 50/60Hz
B MDD, B MDC, S MDC
B MWT, S MWT, G MWT
G MGR, G MGQ, G MGK
Ref. No. 3927
042006
220-230V AC, 50/60Hz
TX-SR504E Black and Silver models
TX-SR8450 Golden models
B MPP, S MPP 230-240V AC, 50Hz
G MGR
RC-647M
MASTER VOLUME
VIDEO
STANDBY
TONE
DISPLAYSTEREO DIMMER MEMORY
DIGITAL
INPUT
TUNING
MODEAB
SPEAKERS
TUNERTAP E
VIDEO
3VIDEO 2VIDEO 1
VCR
DVDMULTI CH C
D
SETUPRETURN
CLEAR
LISTENING MODE
AUDIOLR
VIDEO 3 INPUT
STANDBY/ON
PHONES
TUNING PRESET
ENTER
MUTING
PREVIOUS
MENU
GUIDE
TOP MEN U
SP A
/
B
SETUPRETURN
PLAYLIST/CAT PLAYLIST/CAT
RANDOM
SUBTITLE
PLAY MODE
AUDIO REPEAT
RC
-
647M
--
/
---
TAPE
M
D/CDR
HDD
CABLE
ON/STANDBY
DIMMER
ENT
D TUN
SLEEP
10 11 12
INPUT SELECTOR
HDDDVDVCR
REMOTE MODE
V
1
V
2
V
3
C
DTAPE TUNE R
DVD
MULTI CH
LISTENING MODE
TV
DISPLAY
TEST
TONE
CH SEL
SURROUND
STEREO
CINE FLTR
LEVEL
+
LEVEL
-
L NIGHT
VOL
VOL
SAT
VCR
TV
DVD
RECEIVER
C
D
INPUT
+
10
0
CLR
123
456
789
ENTER
CH
DISC
ALBUM
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.
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