Sony STR-DB795 Service Manual

STR-DB795
2020
STR-DB795
6-4. BLOCK DIAGRAM – AUDIO AMP Section –
: AUDIO (ANALOG)
TM449 (2/2)
+
+
–
–
TM444
BIAS
Q431, 434
BOOSTER
Q402
BOOSTER
Q403
J
FL
SYSTEM CONTROLLER
IC1703(4/6)
CURRENT
DETECT
Q432, 433
CURRENT
DETECT
Q632, 633
CURRENT
DETECT
Q732, 733
5
41
134
3
2
7
118
SURR.RY
HP DETECT
LIMITTER.IN
SP.A.RY
4SP B RY
H/P RY
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
D812D819D816
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, 534
BOOSTER
Q502
BOOSTER
Q503
L
SL
RV531
BIAS
PRE DRIVE
Q2401, 2403
BIAS
Q2404, 2405
BIAS
Q2406
BIAS
Q631, 634
BOOSTER
Q602
BOOSTER
Q603
K
C
RV631
BIAS
PRE DRIVE
Q2201, 2203
BIAS
Q2204, 2205
BIAS
Q2206
BIAS
Q731, 734
BOOSTER
Q702
BOOSTER
Q703
M
SBL
RV731
BIAS
PRE DRIVE
Q2701, 2703
BIAS
Q2704, 2705
BIAS
Q2706
+
–
–2
BIAS
Q681, 684
BOOSTER
Q652
BOOSTER
Q653
N
SB (R)
RV681
BIAS
PRE DRIVE
Q2301, 2303
BIAS
Q2304, 2305
BIAS
Q2306
D411
D611
D711
CURRENT
DETECT
Q682, 683
D661
D511
R
SW
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
CURRENT
DETECT
Q532, 533
SPEAKERS
IMPEDANCE
USE 4-16Ω
+
OVER VOLTAGE
DETECT
Q822
B+
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Sony STR-DB795 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230V, 50/60Hz
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
Frequency range	20 - 20000 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g