Sony STR-DB798 Service Manual

STR-DB798
5151
STR-DB798
D51
R51
R52
R53C53
C52
D53
D54D55
D56D57
C56
R57
Q52
CN51
F1
C55
R55 R56 R54
T2
EB51
RY1
Q54
T901
C51
R58
D52 D58
R2
Q51
R61
Q53
JW53
C54
J50
~AC IN
1SS133T
2.2k
10k
6800.056
0.0047
1SS133
11EQS0411EQS04
11EQS0411EQS04
470p
10k
2SA1015
6P
CN1
2P
1
50V
33k 10k 47k
2SC2785
2200
16V
100
1SS133 10EDB40
1
2SC1740TP
33k
DTC124ESATP
2200
16V
∗
N
L
(CHASSIS)
P.RY
GND
STOP
8V
SUB,T
8V
GND
AC 6V
AC 6V
GND
+8V
-8V
GND
LO-B
HI-B
LO-A
HI-A
GND
+24V
-24V
MAIN POWER
TRANSFORMER
TRANSFORMER
SUB POWER
DRIVE
RELAY
AC POWER
DETECT
B+ SWITCH
∗
T4AL 250V
F1
(TW)
Q52,53
10A 125V
(AEP,UK)
(AEP,TW)
6-38. SCHEMATIC DIAGRAM – AC BOARD –
(Page 49)
(Page 49)
(Page 39)
(Page 49)
(Page 49)

Sony STR-DB798 Specifications

General

Impedance	8 Ω
Supported radio bands	FM
Radio Data System (RDS)	Yes
Channels quantity	7 channels
I/O ports	Output(Component x 1, Optical Digital x 1, Composite x 1, S-Video x 1), Input(Component x 2, Optical Digital x 4, S-Video x 4, Coaxial Digital x 2, Composite x 4)