Sony STR-DB798 Service Manual

STR-DB798
4646
STR-DB798
6-33. PRINTED WIRING BOARDS – DISPLAY Section –
JW
1004
JW
1
005
JW
1
00
6
JW
1007
JW
10
11
JW
10
26
JW
10
62
R
1
005
R
V
1
06
1
IC1006
FL
160
3
R
1
009
C
10
08
R
105
5
R
100
4
C
1
00
3
C
100
9
C
100
5
C
100
7
C1
001
C
10
0
2
C
100
6
R
105
4
R
1
053
R
1
052
R
10
47
R
1
04
6
R
10
44
R
10
43
R
105
9
R
1
058
JW
10
63
R
1056
R
1
0
12
R
1011
C1
026
C
1025
C
10
24
C
1023
C
1022
C
1021
C
1
02
0
C
101
9
C
1018
C1017
C1
016
C1
01
5
C
1
01
3
C
101
2
C
1
011
Q
1
03
2
Q
10
31
C
1031
R
1031
R
1035
R
1033
R
1032
R
1037
C
N
10
80
R
1036
S
1042
S
1041
S
104
3
S
104
4
S
10
45
S
104
6
S
10
47
S
10
51
S
105
2
S
10
53
S
10
54
S
1065
S
1056
R
V
105
2
R
V
1
051
S
1
057
S
105
0
IC1051
D
1
071
JW
106
1
JW
10
19
JW
1021
JW
102
2
JW
10
1
8
J
W
10
1
7
JW
1
016
JW
1
012
JW
10
13
JW
1
023
JW
102
4
JW
102
5
C
1027
T
P
10
0
CN
1061
JW
10
27
JW
10
28
JW
1029
JW
1020
JW
10
30
JW
10
31
JW
10
32
JW
10
08
JW
1
033
JW
10
02
JW
1001
JW
1003
R
101
4
R
101
5
JW
1
06
6
R
104
2
C
107
1
C
1014
C
10
10
C
10
51
D
1031
CN
100
1
R
104
5
IC1001
RV1060
CN1060
R1060
R1057
S1062
S1061
CN1062
13
13 1
15
3
1-867-412-
11
(11)
DISPLAY BOARD
13
13
1-867-413-
11
(11)
VOL BOARD
1-867-428-
11
(11)
DIRECT BOARD
E
E
HP-V3 BOARD
CN1081
10
TUNING
PRESET
TUNING
−
+
−
+
SURR BACK
DECODING
2CH
A. F. D.
MOVIE MUSIC
ROTARY ENCODER
−
/
+
1
3
ROTARY ENCODER
1
5
MASTER
VOLUME
13
1-867-418-
11
(11)
FUNC BOARD
ROTARY ENCODER
INPUT SELECTOR
MULTI
CH IN
DIRECT
(CHASSIS)
INPUT
MODE
DISPLAY
DIGITAL BOARD
CN1105
3
ROTARY ENCODER
MENU
MAIN MENU MEMORY/ENTER
SPEAKERS
1
44
22
12
FLUORESCENT INDICATOR TUBE
11
33 34
23
MULTI CHANNEL DECODING
A
B
C
D
E
F
G
H
I
J
K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
42 1
17
14 8
(Page 30)
(Page 21)
• See page 19 for Circuit Boards Location.
: Uses unleaded solder.
D1031 I-13
D1071 I-11
IC1001 H-13
IC1006 F-14
IC1051 H-1
Q1031 I-14
Q1032 I-13
Ref. No. Location
• Semiconductor
Location

Sony STR-DB798 Specifications

General

Impedance	8 Ω
Supported radio bands	FM
Radio Data System (RDS)	Yes
Channels quantity	7 channels
I/O ports	Output(Component x 1, Optical Digital x 1, Composite x 1, S-Video x 1), Input(Component x 2, Optical Digital x 4, S-Video x 4, Coaxial Digital x 2, Composite x 4)