Sony STR-DB798 Service Manual

58
STR-DB798
IC1304 NJM2586AM
CONT2
CONT2
CONT1
CONT1
CONT1
1CH1 IN1
2SW1
4SW2
24 CH1 OUT
23 PS
BIAS
3CH1 IN2
BIAS
5CH1 IN3
6GND
7V+1
BIAS
11GND
12CH2 IN3
BIAS
8CH2 IN1
9GND
BIAS
10CH2 IN2
BIAS
75Ω
DRIVER
6dB
AMP
22 CH2 OUT
75Ω
DRIVER
6dB
AMP
21 V+2
20 CH3 OUT
19 GND
18 V–2
16 V–1
17 CH3 IN1
75Ω
DRIVER
6dB
AMP
BIAS
15 CH3 IN2
BIAS
13 CH3 IN3
14 GND
BIAS
CONT2
IC101 TC9274N-017
– AU-IN Board –
1
2
3
4
5
6
7
8
9
10
11
12
20
21
42
40
40
39
38
37
36
35
34
33
32
31
23
22
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK
VDD
STB
DATA
18BIT
LATCH
CIRCUIT
(R-CH)
18BIT
LATCH
CIRCUIT
(L-CH)
LEVEL SHIFT & SHIFT REGISTER
13S12 30 S12
14S13 29 S13
15S14 28 S14
16S15 27 S15
17S16 26 S16
19S18 24 S18
18S17 25 S17

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)