ONKYO HT-R508.pdf

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HT-R508
Ref. No. 4042
042007
SERVICE MANUAL
AV RECEIVER
MODEL
HT-R508
RC-681M
HT-R508 Silver model
S MPP
230V AC, 50Hz
HT-R508 for HT-S508 Silver model
S MPP
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.
HT-R508
EXPLODED VIEWS-1
P901
A096
x 3 pcs.
A097
U14
A037
A075
A039
P101
A093
U15
F6901
A039
A045
U04
A045
A031
U08
A013
x 7 pcs.
U02
A048
U03
A040
A042
A062
A044
A039
A011
x 6 pcs.
P701
A001
F6902
A043
x 2 pcs.
A018
Refer to
EXPLODED VIEWS-2
A060
A061
x 6 pcs.
P6601A
x 14 pcs.
U12
U11
A046
A102
A069
A022 U10 A044
U07
F901C
F901
U01
A030
A043
x 4 pcs.
A046
x 2 pcs.
x 2 pcs.
A044
A033
A039
x 2 pcs.
T901
A041
A012
A029
x 2 pcs.
A057
A056
U05
A073
A055
A028
U06
A072
A027
A017
x 2 pcs.
A020 A016
x 2 pcs.
A065
x 4 pcs.
A068
x 4 pcs.
A066
x 4 pcs.
A050
A003
A002
x 5 pcs.
A071
A083
A077
HT-R508
A021
x 4 pcs.
U09
A089
x 3 pcs.
HT-R508
EXPLODED VIEWS-2
Q6050B
x 4 pcs.
Q6050A
A049
x 10 pcs.
Q6054
Q6064
Q6053
Q6063
Q6052
Q6062
Q6051
Q6061
Q6050
Q6060
Q6050A
HT-R508
HT-R508
EXPLODED VIEWS-2
Q6050B
x 4 pcs.
Q6050A
A049
x 10 pcs.
Q6054
Q6064
Q6053
Q6063
Q6052
Q6062
Q6051
Q6061
Q6050
Q6060
Q6050A
HT-R508
HT-R508
A
B
C
D
BLOCK DIAGRAMS-1
AUDIO SECTION
TUNER UNIT
L
40
59
MAIN R
MAIN L
R
60
SUB R
SUB L
1
MIC AMP
L
SETUP MIC
(FRONT)
L
AUX INPUT
(FRONT)
R
61
37
36
Q5503
R
MIC DETECT
FL
73
25k
INVERTING
25k
FR
62
L
CD
INVERTING
74
25k
L
TAPE OUT
R
55
L
TAPE IN
R
56
SL
53
78
54
SR
32
76
CBL/SAT IN
R
SW
49
L
R
L
VCR/DVR IN
R
48
L
FRONT
R
CENTER
DVD (MULTI IN)
SUBWOOFER
L
SURROUND
R
72
45
46
71
50
47
VCR/DVR OUT
31
33
77
C
30
3
REC L
REC R
4
67
IN1
68
FL
C
HDMI
HDMI
SW
LPF
FR
IN2
LPF
LPF
OUT
MICRO
CONTROLLER
14
13
15
16
32
LPF
37
35
SW
31
30
33
5
1
COAXIAL
2
-
-
2ch ADC
8ch
DIR
DIGITAL IN
1
OPTICAL
2
Q341
36
Q301
CS42518
34
25k
25k
25k
25k
25k
25k
L
25k
25k
25k
25k
25k
25k
2
R
75
25k

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