Sony STR-DB780 Service Manual

STR-DA1ES/DB780
2626
5-13. PRINTED WIRING BOARD – VIDEO Board – • See page 20 for Circuit Boards Location.
VIDEO BOARD
IC308
IC303
IC301
MONITOR
OUT VIDEO
J302
(CHASSIS)
CONTROL
A1
II
J303
TV/SAT
IN VIDEO
DVD/LD
IN VIDEO
OUT VIDEO IN VIDEO
VIDEO 2
OUT VIDEO
IN VIDEO
VIDEO 1
J305 J304
MONITOR OUT
(CHASSIS)
P R /C R /R-Y
P B /C B /B-Y
Y
P R /C R /R-Y
P B /C B /B-Y
Y
P R /C R /R-Y
P B /C B /B-Y
Y
TV/SAT IN DVD/LD IN
COMPONENT VIDEO
J301
18
16 9
18
16
9
814
71
1
2
F
DIGITAL
BOARD
CNS8
I
S-VIDEO
BOARD
CN851
E
(EXCEPT DB780: AEP, UK)
1-684-326-
11
(11)
A
B
C
D
E
1 2 3 4 5 6 7 8
(CHASSIS) (CHASSIS) (CHASSIS) (CHASSIS)
EB301
DB780:
AEP, UK
11
10
11
10
J
MAIN
BOARD
CN811
• Semiconductor
Location
Ref. No. Location
D303 C-2
D304 C-2
IC301 C-6
IC303 C-7
IC308 C-3
Q302 C-5
(Page 28)
(Page 25)
(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)