Sony STR-DB780 Service Manual

STR-DA1ES/DB780
3434
5-21. PRINTED WIRING BOARD – BIAS Board – • See page 20 for Circuit Boards Location.
BIAS BOARD
IC803
E
E
EE
17
EE
17
E
E
17
E
EE
E
E
E
17
E
1
6
S
MAIN
BOARD
CN809
1-684-330-
11
(11)
R
MAIN BOARD
CN600
O
MAIN BOARD
CN400
Q
MAIN BOARD
CN450
M
MAIN BOARD
CN500
17
N
MAIN BOARD
CN550
A
B
1 2 3 4 5 6 7 8 9 10
E
E
E
E
14
85
BCE BCE BCE BCE BCE
Q434 A-6
Q491 B-5
Q482 B-4
Q483 B-5
Q484 A-5
Q531 B-3
Q532 B-3
Q533 B-3
Q534 A-4
Q581 B-1
Q582 B-2
Q583 B-2
Q584 A-3
Q631 B-8
Q632 A-6
Q633 B-7
Q634 A-7
Q802 B-9
Q803 B-8
Q804 A-9
Q805 A-8
Ref. No. LocationRef. No. Location
D431 A-5
D432 A-5
D481 A-4
D482 A-5
D531 A-3
D532 A-3
D581 A-2
D582 A-2
D631 A-6
D632 A-7
D805 A-8
D806 B-9
D807 A-9
D808 A-8
D817 A-9
IC803 A-10
Q431 B-6
Q432 B-5
Q433 B-5
• Semiconductor Location
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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)