Block Diagram - Audio Section - Sony STR-DH800 Service Manual

Q Q
5-4.

BLOCK DIAGRAM - AUDIO Section -

3 7 6 3 1 5 1 5 0
L
TV IN
R R-CH
J521
(1/2)
L
SA-CD/CD
CD-R IN
R R-CH
L
BD
AUDIO IN
R R-CH
J522
L
SAT
AUDIO IN
R R-CH
J523 (1/2)
L
VIDEO 1
AUDIO IN
R R-CH
J103 (2/2)
LINE AMP
L
IC106
VIDEO 2 IN
AUDIO
R R-CH
(US, Canadian)
SIRIUS
Q
(Page 14)
FL, SL, C,
SW, FBL
P
(Page 14)
T E
L 1 3 9 4 2 2 9 6 5 1 3
J101
MIC AMP
AUTO
IC105
CAL MIC
CN2007 (2/2)
DMPORT
13
L+
MIX AMP
11
IC800
L–
14
R+ R-CH
12
R– R-CH
ANTENNA TUNER (FM/AM)
FM75Ω
FM ANT L_CH
COAXIAL
R_CH R-CH
AM AM ANT
w w w
DO
DI
CLK
CE
SD
RDS_DATA
RDS_INT
STR-DH800
Lout 76
49 TV L (J) Zone2 L 79
REC SACD L (J) 29
51 SACD L (J) R-CH
REC Video1 L (J) 27
43 DVD L (J) R-CH
POWER AMP
IC602
47 SAT L (J)
+VOUT1 2
41 VIDEO1 L (J)
FL 14 IN1
6
–VOUT1 3
61 L CH (V2)
POWER AMP
IC603
INPUT SELECTOR,
ELECTRICAL VOLUME
IC551
57 Sirius L +VOUT1 2
SL 18 6 IN1
FL –VOUT1 3
72 FL-IN
63 Bi-FL
SL
68 SL-IN
POWER AMP
SBL IC601
66 SBL-IN
C
70 C-IN
SW +VOUT1 2
71 SW-IN
SBL 20 6 IN1
55 DCAC L (Silver)
DCAC R (Silver)
56
–VOUT1 3
MUTING
Q113
D109
MUTING
CONTROL SWITCH
Q112, 114
+VOUT2 12
C 16 8 IN2
53 DM L
–VOUT2 11
SW 15
59 Tuner L
10 11
70 71
48 MIC_MUTE
91 TUNER_MISO
93 TUNER_MOSI
x a o
92 TUNER_CLK
y
94 TUNER_CE
95 TUNER_SD
. i
(AEP, UK)
90 TUNER_RDS_DATA
163 TUNER_RDS_INT (CLK)
http://www.xiaoyu163.com
L_OUT
C
(Page 12)
S-AIR L
R
(Page 14)
J521 (2/2)
L
SA-CD/CD
R-ch is omitted due to same as L-ch.
CD-R OUT
R SIGNAL PATH
: AUDIO (ANALOG)
J523 (2/2)
L
: TUNER
VIDEO 1
AUDIO OUT
R
NF1 5
(US, Canadian)
BOOSTER
IC610
BIAS
CURRENT
Q612, 613
DETECT
Q614, 615
BOOSTER
IC611
NF1 5
(US, Canadian)
BOOSTER
IC614
BIAS
CURRENT
Q620, 621
DETECT
Q622, 623
BOOSTER
IC615
Q Q
3 7 6
NF1 5
(US, Canadian)
BOOSTER
IC606
BIAS
CURRENT
Q604, 605
DETECT
Q606, 607
BOOSTER
IC607
NF2 9
(US, Canadian)
BOOSTER
IC608
BIAS
CURRENT
Q608, 609
DETECT
Q610, 611
BOOSTER
IC609
AF POWER
PROTECTOR
Q581 – 585
69
u 1 6 3
SYSTEM CONTROLLER
IC2018 (3/4)
.
15 15
2 4
8 9 9
–2
–1
RELAY DRIVE
RY541
Q451
–1
D611
–2
R-CH
RELAY DRIVE
RY424
Q424
–2
D613
–1
R-CH
RELAY DRIVE
RY422
Q422
3 1 5 1 5 0 8 9 2
–2
D610
–1
R-CH
RELAY DRIVE
RY423
Q423
RELAY DRIVE
RY425
Q425
D608
RELAY DRIVE
RY441
Q441
D2008
D2009
D2005
D2007
D2010
103 27 31 32 29 30 26
m
c o
STR-DH800
2
8 9 9
J300
PHONES
TB500
+
L
–
FRONT A
–
R
+
+
L
–
SPEAKERS
SURROUND
–
R
+
4 9 8 2 9 9
TB503 (1/2)
+
L
–
SURROUND BACK/
BI-AMP/FRONT B
–
R
+
TB502
TB503 (2/2)
+
CENTER
–
J524
SUBWOOFER
AUDIO OUT