Read Sony STR-DG820 Service Manual online
STR-DG820
STR-DG820
17
17
6-4. BLOCK DIAGRAM - AUDIO Section -
L
TV IN
R
L
SA-CD/CD
CD-R IN
DVD
AUDIO IN
R
L
SA-CD/CD
CD-R OUT
CD-R OUT
R
J401
(1/2)
R-CH
R-CH
R-CH
L
R
L
SAT
AUDIO IN
R
J403
J404 (1/2)
J401 (2/2)
R-CH
R-CH
VIDEO 1
AUDIO IN
L
R
L
R
R-CH
J703 (2/2)
Q
XML
VIDEO 2 IN
PORTABLE AV IN
AUDIO
L
R
R-CH
P
FL, SL, C,
SW, FBL
SW, FBL
SBL
SL
FL
C
SW
LINE AMP
IC706
MIC AMP
IC705
MIX AMP
IC3002
INL9
RECL1
47
29
LOUT 76
L
VIDEO 1
AUDIO OUT
R
R-CH
J404 (2/2)
RECL2 27
FLOUT 14
+VOUT1 2
NF1 5
INL7
51
INL12
41
INL11
43
IN1
6
INL13
38
INL0
47
INL15
34
LIN
72
SLIN
68
SBLIN
66
CIN
70
SWIN
71
INL1 (TUNER_L)
DA
TA
63
10
67
CN2226 (2/2)
13
L+
11
L–
14
R+
12
R–
DMPORT
TUNER (FM/AM)
AM
INL2
(DMPORT_L)
(DMPORT_L)
61
INL3
59
FM ANT
AM ANT
L CH
R CH
DO
R-CH
R-CH
R-CH
RDS_DATA
RDS_INT
DI
CLK
CE
FM75
Ω
COAXIAL
ANTENNA
105 TUN_DO
8 MIC_MUTE
SD
EVOL_DA
TA
CLK
11
66
EVOL_CLK
68
PROTECT
OR
25
SW_PREOUT_R
Y
34
HP_DET
27
C. SL. SBL_R
Y
23
SBR_R
Y
26
SP
A/B_R
Y
24
SP
A_R
Y
32
HP_R
Y
109 TUN_SD
104 RDS_DATA
164 RDS_INT
164 RDS_INT
107 TUN_DATA
106 TUN_CLK
108 TUN_CE
106 TUN_CLK
108 TUN_CE
(AEP, ECE, UK)
MUTING
Q713
MUTING
CONTROL SWITCH
Q712, 714
D709
J701
AUTO
CAL MIC
SYSTEM CONTROLLER
IC7001 (3/4)
INPUT SELECTOR,
ELECTRICAL VOLUME
IC400
–VOUT1 3
BIAS
Q701, 702
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q711, 712
POWER_DETECT
R
L_OUT
C
AF POWER
SENSOR
Q720
POWER AMP
IC700
SLOUT 18
+VOUT1 2
NF1 5
IN1
6
–VOUT1 3
BIAS
Q801, 802
BOOSTER
Q803
BOOSTER
Q804
CURRENT
DETECT
Q811, 812
AF POWER
SENSOR
Q820
POWER AMP
IC800
SBL OUT 20
+VOUT1 2
NF1 5
IN1
6
–VOUT1 3
BIAS
Q601, 602
BOOSTER
Q603
BOOSTER
Q604
CURRENT
DETECT
Q611, 612
AF POWER
SENSOR
Q620
POWER AMP
IC600
COUT 16
SWOUT 15
+VOUT2 12
NF2 9
IN2
8
–VOUT2 11
BIAS
Q651, 652
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q661, 662
AF POWER
SENSOR
Q670
AF POWER
PROTECTOR
Q320, 321, 323 – 325
RY301
RELAY DRIVE
Q301
RY355
RELAY DRIVE
Q355
RY360
RELAY DRIVE
Q360
RY365
RELAY DRIVE
Q365
RY350
RELAY DRIVE
Q350
RY375
RELAY DRIVE
Q375
RY370
RELAY DRIVE
Q370
D7007
D7002
D7009
D7005
D7008
D7004
D7002
D7009
D7005
D7008
D7004
SUBWOOFER
AUDIO OUT
J405
CENTER
TB001
+
–
–
+
–
–
+
–
SURROUND
BACK
R-CH
L
R
TM2880
+
–
+
–
SURROUND
L
R
TB603
+
–
–
–
–
FRONT B
R-CH
R-CH
–1
–1
–2
–2
–1
–2
–2
–1
+
L
R
TB601
J702
–2
–1
+
–
–
–
–
FRONT A
PHONES
SPEAKERS
+
: AUDIO (ANALOG)
: TUNER
SIGNAL PATH
R-ch is omitted due to same as L-ch.
(US, Canadian)
(EXCEPT AEP, ECE, UK)
Abbreviation
: Continental European, East European
and Russian models
ECE
(EXCEPT AEP, ECE, UK)
(EXCEPT AEP, ECE, UK)
(EXCEPT AEP, ECE, UK)
(Page 16)
(Page 16)
(Page 14)
(Page 18)
Ver. 1.1
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