Sony STR-DB780 Service Manual

STR-DA1ES/DB780
3636
5-23. PRINTED WIRING BOARDS – H.P/PRE/SPOUT Boards – • See page 20 for Circuit Boards Location.
PRE/SPOUT
BOARD
FRONT
RL RL
SURROUND
J449
PRE OUT
CENTER
SUB
WOOFER
OUT
J699
-1 -2 -1 -2 -1 -2
(DA1ES)
10
1
(DA1ES)
X
MAIN BOARD
CN805
14
U
MAIN BOARD
CN803
1-685-504-
11
(11)
-1
-2
(DB780)
+
–
+
–
R L
FRONT
SPEAKERS
IMPEDANCE
USE 4 – 16Ω
TM449
(DB780)
H.P BOARD
(CHASSIS)
1
5
T
MAIN
BOARD
CN801
1-685-503-
11
(11)
PHONES
J849
(Page 30) (Page 30)
(Page 30)

Sony STR-DB780 Specifications

General

Type	Stereo Receiver
Total Harmonic Distortion	0.09 %
Digital inputs	2 Optical, 1 Coaxial
Weight	10.5 kg
Video inputs	composite
Video outputs	1 composite, 1 S-Video
Output Power	100 Watts (8 Ohms, 20 Hz - 20 kHz, 0.09% THD)
Signal-to-Noise Ratio	96 dB (Line in)
Input Sensitivity	150 mV (Line in)