Sony STR-DB780 Service Manual

STR-DA1ES/DB780
2525
5-12. PRINTED WIRING BOARDS – DIGITAL (Conductor Side)/V-3 OPT Boards – • See page 20 for Circuit Boards Location.
DIGITAL BOARD
(CONDUCTOR SIDE)
IC1906
IC1905
IC1902
IC1901
IC1903
IC1503
IC1107
IC1106
IC1105
IC1104
1-685-497-
12
(12)
13
1
3
DC 2 BOARD
CN901
E
7
1
FOR
CHECK
IC1904
13
13
31
3
1
(DB780: AEP, UK)
31
135
24
DISPLAY
BOARD
CNS663
B
MAIN BOARD
CN806
C
MAIN BOARD
CN807
G
13
EXCEPT
DB780: AEP, UK
13
18
DC 2 BOARD
CN903
A
VIDEO BOARD
CN303
F
(DB780: AEP, UK)
MAIN BOARD
CN811
D
FM 75Ω
COAXIAL
AM
ANTENNA
∗
TUNER UNIT
SUPPLIED AS THE
ASSEMBLED BLOCK
∗
TU301
3
1
3
1
3
1
3
1
DVD/LD
OPTICAL
IN
IC1104
TV/SAT
OPTICAL
IN
IC1105
MD/TAPE
OPTICAL
IN
IC1106
MD/TAPE
OPTICAL
OUT
IC1107
J1101
DIGITAL
ASSIGNABLE
COAXIAL IN
DVD/LD
CD/SACD
IC289
1-683-873-
11
(11)
V3-OPT BOARD
DIGITAL
(OPTICAL)
IC289
31
31
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A
B
C
D
E
F
G
H
I
J
K
L
• Semiconductor
Location
Ref. No. Location
D1501 I-12
D1502 I-12
IC289 B-2
IC1104 D-14
IC1105 E-14
IC1106 F-14
IC1107 H-14
IC1503 J-10
IC1901 G-6
IC1902 E-6
IC1903 F-4
IC1904 D-4
IC1905 D-6
IC1906 D-5
(Page 26)(Page 42)(Page 30)
(Page 42)
(Page 38)
(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)