Sony STR-DB798 Service Manual page 58

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