Block Diagram - Audio Section - Sony STR-DH810 Service Manual

STR-DH810
5-4.

BLOCK DIAGRAM - AUDIO Section -

L
TV
AUDIO IN
R R-CH
J401
(1/2)
L
SA-CD/
CD/CD-R
AUDIO IN R R-CH
L
BD
AUDIO IN
R R-CH
J403
L
SAT/CATV
AUDIO IN
R R-CH
J404 (1/2)
L
VIDEO 1
AUDIO IN
R R-CH
LINE AMP
J103 (2/2)
L
IC106
VIDEO 2 IN
R R-CH
FL, SBL,
SL, C, SW
P
DSP, S-AIR
SECTION
(Page 15)
J101
MIC AMP
AUTO
IC105
CAL MIC
CN2005 (2/2)
DMPORT
13
L+
DMPORT AMP
11
IC2037
L–
14
R+ R-CH
12
R– R-CH
ANTENNA TUNER (FM/AM)
FM 75
FM ANT L_CH
COAXIAL
R_CH
AM AM ANT
TN1
DO
DI
CLK
CE
SD
STR-DH810
ADC LOUT 76
47 INL9 SAIR L 79
RECL1 29
51 INL7 R-CH
RECL3 25
43 INL11 R-CH
PRE DRIVER
IC701
INL10
45
FLOUT 14 6 IN1
41 INL12
PRE DRIVER
55 V2_L/Main_Zone_L
IC801
DIR FUNCTION SELECT
IC400
SLOUT 18 6 IN1
FL
72 FLIN
PRE DRIVER
63 Bi-AmpL
SL
IC601
SLIN
68
SBL
66 SBLIN
C
70 CIN
SW
SBLOUT 20 IN2
8
71 SWIN
59 DCAC
60 DCAC
MUTING
Q113
D109
MUTING
CONTROL SWITCH
Q114
COUT 16 6 IN1
57 DM_L/Zone_2_L
PRE DRIVER
IC901
SBROUT 19 6 IN1
61 TUNER_L/V2_L
SWOUT 15
R-CH
10 11
98 99
22 TUNER_MISO
20 TUNER_MOSI
21 TUNER_CLK
19 TUNER_LAT
18 TUNER_SD
MAIN SECTION
ADCL OUT
C
(Page 13)
SAIR L
DSP, S-AIR SECTION
R
(Page 15)
J401 (2/2)
L
SA-CD/CD/
CD-R AUDIO OUT
R
J404 (2/2) R-ch is omitted due to same as L-ch.
L
VIDEO 1 SIGNAL PATH
AUDIO OUT
R
: AUDIO (ANALOG)
: TUNER
NF1 5
MN2488-OPY-MK
+VOUT1 2
Q703
BIAS
CURRENT
Q701, Q702
DETECT
Q711, Q712
MP1620-OPY-MK
–VOUT2 3
Q704
NF1 5
MN2488-OPY-MK
+VOUT1 2
Q603
BIAS
CURRENT
Q601, Q602
DETECT
Q611, Q612
MP1620-OPY-MK
–VOUT2 3
Q604
NF2 9
MN2488-OPY-MK
+VOUT2 12
Q503
BIAS CURRENT
Q801, Q802
DETECT
Q811, Q812
MP1620-OPY-MK
–VOUT2 11
Q504
NF1 5
MN2488-OPY-MK
+VOUT1 2
Q853
BIAS
CURRENT
Q851, Q852
DETECT
Q861, Q862
MP1620-OPY-MK
–VOUT1 3
Q854
NF1 5
MN2488-OPY-MK
+VOUT1 2
Q553
BIAS
CURRENT
Q551, Q552
DETECT
Q550, Q555
MP1620-OPY-MK
–VOUT2 3
Q554
PROTECTOR
Q320 – Q321
Q323 – Q325
94
16 16
–2
–1
RELAY DRIVER
RY375
Q375
–1
D720
–2
R-CH
RELAY DRIVER
RY350
Q350
–2
D620
–1
R-CH
RELAY DRIVER
RY355
Q355
–2
D820
–1
R-CH
RELAY DRIVER
RY360
Q360
RELAY DRIVER
RY365
Q365
D870
D550
2 5
15 3 1 RELAY DRIVER
RY301
Q301
INPUT SELECTOR
IC2036 (3/4)
40 100
J300
PHONES
TB504
–
L
+
FRONT A
–
R
+
–
L
+
SURROUND
SPEAKERS
–
R
+
TB503 (1/2)
+
L
–
SURROUND BACK/
FRONT HIGH/BI-AMP/
– FRONT B
R
+
TB502
TB503 (2/2)
+
CENTER
–
J405
SUBWOOFER
AUDIO OUT