STR-DH820
STR-DH820
15
15
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM – TUNER/AUDIO Section –
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-IN
L-IN
E-VOL
FUNCTION SELECT
IC400
+7V
-7V
SW OUT
SBL
SBR
C OUT
SL OUT
FL OUT
SBR-CH
SW-CH
SR OUT
FR OUT
SBL-CH
OP AMP
IC4121
AUDIO AMP
IC102
AM
TN1
FM/AM TUNER UNIT
L-CH
US, CND
SD
CE
DO
DI
CLK
TU+9V
FM 75
ȍ
COAXIAL
ANTENNA
R-CH
J401 (1/2)
J402 (1/2)
-7
-1
-2
-4
-5
-8
-1
-2
-7
-8
-1
-2
J4100
AUTO CAL
MIC
J401 (2/2)
-4
-4
-5
-5
-7
-8
VIDEO 1
AUDIO IN
L
R
TV
AUDIO IN
L
R
J403 (1/2)
J101 (1/2)
L
R
BD/DVD
AUDIO IN
SAT/CATV
AUDIO IN
L
R
VIDEO 2 IN
AUDIO
L
R
L
R
MD/TAPE
AUDIO IN
L
R
SA-CD/CD
AUDIO IN
L
R
MD/TAPE
AUDIO OUT
J402 (2/2)
L
R
VIDEO 1
AUDIO OUT
J403 (2/2)
L
R
ZONE 2
AUDIO OUT
UK, TW, AUS, ECE
AM
TN1
FM/AM TUNER UNIT
L-CH
SD
CE
DO
DI
CLK
TU+9V
FM 75
ȍ
COAXIAL
ANTENNA
R-CH
RDS INT
RDS DATA
RELAY
DRIVER
Q302
MIC MUTE
DRIVER
Q4121,Q4123
RY302
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