Denon AVR-2808, Service Manual

Page: 73 / 155

73
AVR-2808
NJW1194V (AC : IC617,904)
Block Diagram
No. Pin Name Pin Name No.
1 InA1 17 Tone_Ba2b
2 InA2 18 Tone_Ba1b
3 InA3 19 Tone_Tr1b
4 InA4 20 GND
5 GND 21 V -
6 DCCAP_A 22 V +
7 GND 23 A DR0
8 Out A 24 A DR1
9 V DDOUT 25 Out B
10 DATA 26 GND
11 CLOCK 27 DCCAP_B
12 LATCH 28 GND
13 GND 29 I nB4
14 Tone_Tr1a 30 I nB3
15 Tone_Ba1a 31 I nB2
16 Tone_Ba2a 32 I nB1
17
16
1
32
Bias
V+ GND V-
Out A
OutB
In A1
In A2
In A3
In A4
In B1
In B2
In B3
In B4
Control Logic
CL
O
C
K
DA
T
A
LA
T
C
H
AD
R
1
AD
R
0
TONE
TONE
Ach Tone Filter
Bch Tone Filter
Zero Cross Detection
V-