Sony STR-DB780 Service Manual

STR-DA1ES/DB780
3838
5-25. PRINTED WIRING BOARD – DISPLAY Board – • See page 20 for Circuit Boards Location.
DISPLAY BOARD
IC1602
IC1711
44
34
33
2322
12
11
1
IC1600
1
11
Y
POWER BOARD
CN660
DIGITAL
CINEMA
SOUND
17
14 8
13
113
Z
KEY BOARD
CN662
E
AUTO DEC. 2CH ST MODE2CH ST
MULTI CH
DIRECT
INPUT MODE
B
DIGITAL BOARD
CNS4
E
E
E
E
E
81
H
MUTING BOARD
CN661
13
MASTER VOLUME
ROTARY ENCODER
1-683-770-
11
(11)
A
B
C
D
1 2 3 4 5 6 7 8 9 10 11 12 13
• Semiconductor
Location
Ref. No. Location
D1599 B-10
D1601 C-2
D1602 B-7
D1603 B-8
D1604 B-11
D1612 B-9
IC1600 C-6
IC1602 C-3
IC1711 C-3
Q1599 B-12
Q1601 C-12
Q1602 C-12
Q1603 D-12
Q1604 B-12
Q1607 C-9
(Page 40)
(Page 25)
(Page 40)
(Page 40)

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)