Sony STR-DB790 Service Manual

STR-DA1000ES/DB790
2222
6-4. BLOCK DIAGRAM – AUDIO AMP Section –
: AUDIO (ANALOG)
TM449 (2/2)
+
+
–
–
TM444
BIAS
Q431
BOOSTER
Q402
BOOSTER
Q403
J
(Page 21)
FL
SYSTEM CONTROLLER
IC1601(4/6)
CURRENT
DETECT
Q432, 433
CURRENT
DETECT
Q632, 633
CURRENT
DETECT
Q732, 733
70
55
43
72
68
29
67
REAR RELAY
HP DETECT
DETECT
FRONT RELAY
30SPB RY
HEADPHONE RELAY
C/SB RY
PROTECTOR
RELAY
DRIVE
Q823
RY806
R-CH
RELAY
DRIVE
Q809
RY449
RELAY
DRIVE
Q811
RY699
RELAY
DRIVE
Q807
RY549
D820
D818
PHONES
CENTER
L
R
J1086
+
+
–
–
TM699
–
–
+
+
R-CH
R-CH
SURR
L
R
SURR
BACK
L
R
RY649
D812D818D816
AF POWER
PROTECTOR
Q802, 803,
Q805
–1
RELAY
DRIVE
Q808
RY444
L
R
+
+
–
–
TM449 (1/2)
R-CH
FRONT A
FRONT B
RV431
BIAS
PRE DRIVE
Q2001, 2003
BIAS
Q2004, 2005
BIAS
Q2006
BIAS
Q531
BOOSTER
Q502
BOOSTER
Q503
L
(Page 21)
SL
RV531
BIAS
PRE DRIVE
Q2401, 2403
BIAS
Q2404, 2405
BIAS
Q2406
BIAS
Q631
BOOSTER
Q602
BOOSTER
Q603
K
(Page 21)
C
RV631
BIAS
PRE DRIVE
Q2201, 2203
BIAS
Q2204, 2205
BIAS
Q2206
BIAS
Q731
BOOSTER
Q702
BOOSTER
Q703
M
(Page 21)
SBL
RV731
BIAS
PRE DRIVE
Q2701, 2703
BIAS
Q2704, 2705
BIAS
Q2706
+
–
–2
BIAS
Q681
BOOSTER
Q652
BOOSTER
Q653
N
(Page 21)
SB (R)
RV681
BIAS
PRE DRIVE
Q2301, 2603
BIAS
Q2304, 2605
BIAS
Q2306
D411
D611
D711
CURRENT
DETECT
Q682, 683
D661
D511
(DB790)
(DA1000ES)
(DA1000ES)
R
(Page 21)
SW
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
CURRENT
DETECT
Q532, 533
CENTER
SURROUND
BACK
(DA1000ES) (DB790)
SPEAKERS
+
OVER VOLTAGE
DETECT
Q822
B+
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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Sony STR-DB790 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230 V, 50/60 Hz
Supported radio bands	FM, MW
Radio Data System (RDS)	Yes
I/O ports	5.1 Analogue Input - 1.0 Audio Input - 3.0 Audio Input Front - 1 AV, S-Video Audio Output - 1.0 Control A1 / A1 II Digital Input: coaxial - 1.0 Digital Input: optical - 4.0 Digital Output: optical - 1.0 Headphone Output Monitor Output (Picture): FBAS - 1.0 Monitor Output (Picture): S-Video - 1.0 Phono Input Speaker Selector A S-Video Input - 4.0 S-Video Output - 1.0 Video Input - 5.0 Video Output - 2.0
Connectivity technology	Wired
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g