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TX-SR505/505E
Ref. No. 3987
032007
SERVICE MANUAL
AV RECEIVER
MODEL TX-SR505 STANDBY/ON
1
INPUT SELECTOR
2
REMOTE MODE
RECEIVER
TAPE/AMP
3
DVD
M D/CDR
CD
MODEL TX-SR505E
DOCK
VCR/DVR CBL/SAT
4 5 6 TV
AUX MULTI CH DVD
7 8 9 VCR
TAPE TUNER CD
CABLE
10 11 12
+10 0 CLR SAT
D TUN ENT
--/--- DIMMER SLEEP
CH
TV VOL DISC VOL
ALBUM
INPUT
GUIDE PREVIOUS
MASTER VOLUME TOP MENU MENU
SP A / B MUTING
ENTER
STANDBY/ON TUNING PRESET
PLAYLIST/CAT PLAYLIST/CAT
STANDBY SETUP RETURN
LISTENING MODE
STEREO SURROUND
MULTI CH DVD VCR/DVR CBL/SAT AUX TAPE TUNER CD SETUP ENTER RETURN
AUDIO SUBTITLE RANDOM REPEAT
TEST TONE CH SEL LEVEL- LEVEL+
AUX INPUT
PHONES SETUP MIC VIDEO L AUDIO R PLAY MODE
DISPLAY L NIGHT CINE FLTR
VCR DVD HDD
A SPEAKERS B TONE STEREO LISTENING MODE DISPLAY DIGITAL INPUT DIMMER MEMORY TUNING MODE
CLEAR
RC-681M
RC-681M
TX-SR505 Black, Silver and Golden models
B MDD, B MDC, S MDC 120V AC, 60Hz
B MWO, S MWO 120/220-240V AC, 50/60Hz
S MGK, G MGK 220-230V AC, 50/60Hz
G MWT 120/220-240V AC, 50/60Hz
G MGQ 220-230V AC, 50/60Hz
TX-SR505E Black and Silver models
B MPP, S MPP 230V AC, 50Hz
B MPB, S MPB 230V AC, 50Hz
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-SR505/505E
A060
EXPLODED VIEWS-1
U14 : Only A061
P901 P6601A : Only x 6 pcs. A102
A097 U12 A046
P6601A U13
U14 x 14 pcs.
A037 A109
Only
A018 Refer to P692
A039
EXPLODED VIEWS-2 P691
F6902 A022
P101 U11
A043 A044 A074
F6901 x 2 pcs. x 8 pcs.
A093 U15 A039
A039
A075
A044
U01 U04
F901C F901 A072
U07 A048 A011
A075 U03 A042 x 6pcs.
A031 Only
A030 A043
U02 x 4 pcs. x 2 pcs.
U08 A040 P701 A001
A033 A044
A013 x 2 pcs.
A039
x 7 pcs. T901
A041 A057 A073
A029 A012 A056
x 2 pcs.
A028 A055
U05
U06 A050
A003 A071
A072
A027 A065
TX-SR505/505E
x 4 pcs. A002 A083
x 5 pcs. A077
A017 A068
x 2 pcs. x 4 pcs.
A066
A020 A016 A021 U09 x 4 pcs. A089
x 2 pcs. x 4 pcs. x 3 pcs.
TX-SR505/505E
EXPLODED VIEWS-2
Q6050B
x 6 pcs.
A049
x 14 pcs.
Q6056
Q6066
Q6055
Q6065
Q6054
Q6064
Q6053
Q6063
Q6052
Q6062
Q6051
Q6061 Q6050A
Q6050 x 2 pcs.
Q6060
TX-SR505/505E
TX-SR505/505E
A B C D
BLOCK DIAGRAMS-1
AUDIO SECTION
TUNER UNIT 40
L 59
MAIN R
SUB L
MAIN L
SUB R
1 R 60
L 37
MIC AMP
SETUP MIC
(FRONT) R 36
MIC DETECT
Q5503
L FL 73
AUX INPUT
(FRONT) R
INVERTING
61
FR 74
62
INVERTING
L
CD
R
2 75
L
TAPE OUT 30
C
R
55
L 77
TAPE IN 56
R
SL 33
53
78
54
SR 32
76
L
CBL/SAT IN SW 31
R
49
3 L 79
VCR/DVR OUT 50
R
SBL 29
L 47
REC R
VCR/DVR IN REC L 80
R
48
L SBR 28
FRONT 45
R
CENTER 46
SUBWOOFER
DVD (MULTI IN) 71
L
SURROUND 72
R
L
4 SURROUND BACK
R
TX-SR505
67
TX-SR505E Only IN1
Micro 68
Controller
FR
HDMI
FL
HDMI IN2
C
SW
LPF
LPF
LPF
LPF
OUT
31
30
32
33
36
37
14
1 13
- 15 2ch ADC
COAXIAL 16
5 2 -
DIGITAL Q341
1
OPTICAL DIR
2
OUT
TX-SR505/505E
E F G H
Q5501
R2S15211FP PHONES
SELECTOR / VOLUME
POWER AMPLIFIER
19 FL
TONE +29dB
L
+
RELAY
17 FR FRONT SPEAKERS
+29dB
TONE
R
73 +
25k
7 C MUTING
+29dB
CENTER SPEAKER
25k
74 RELAY
+
25k
14 SL +29dB
L
25k
Q5630 SURROUND
75
+
SW SPEAKERS
25k
+29dB
12 SR R
30
25k
77
+
+29dB
25k
L
9
33 RELAY
SURROUND BACK
25k
SPEAKERS
78 SBL +29dB
+
R
25k
4
32
25k
SBR
76
+
L
25k
RELAY
2 FRONT
31 SPEAKERS B
25k
SBMUT
R
CSRL
SBRL
Z2RL
AMUT
79
FRL
+
25k
29
25k
PREOUT
80 SUBWOOFER
25k
28
25k
RI RI
INTERFACE
Q701
M30624MHP
MICROPROCESSOR
Q282 Q281
ES29LV400 M12L16161A
4M Bit 16M bit
SBR
SBL
SW
SR
SL
FLASH MEMORY SD_RAM
LPF
LPF
LPF
LPF
LPF
35
34
28
29
27
26
22
23
21
20
Q201
D707E001BRFP250
8ch DAC DSP
Q301
CS42518
TX-SR505/505E
A B C D E F G H
BLOCK DIAGRAMS-1
AUDIO SECTION Q5501
TUNER UNIT 40
R2S15211FP PHONES
SELECTOR / VOLUME
L 59
MAIN R
SUB L
MAIN L
SUB R
1 R 60 POWER AMPLIFIER
19 FL
TONE +29dB
L 37 L
MIC AMP
+
RELAY
SETUP MIC
(FRONT) R 36 17 FR FRONT SPEAKERS
MIC DETECT +29dB
TONE
Q5503 R
L FL 73
+
AUX INPUT
25k
(FRONT) R
INVERTING 7 C MUTING
+29dB
CENTER SPEAKER
25k
61
FR 74 RELAY
+
25k
62
INVERTING 14 SL +29dB
L L
CD
25k
R SURROUND
2 75 Q5630
+
SW SPEAKERS
25k
L +29dB
TAPE OUT 12 SR R
C 30
R
25k
55
L 77
+
+29dB
TAPE IN
25k
56 L
R 9
SL 33 RELAY
SURROUND BACK
25k
53 SPEAKERS
78 SBL +29dB
+
R
25k
54
4
SR 32
25k
SBR
76
+
L
25k
L RELAY
CBL/SAT IN 2 FRONT
SW 31 SPEAKERS B
R
25k
49
3
SBMUT
R