Service manual

CD-BK2100V
– 52 –
IC601 VHiLC75341/-1: Audio Processor (LC75341)
Figure 52 BLOCK DIAGRAM OF IC
19
20
21
222324 123
4
5
6
7
8
9 10 11 12 13 14 15 16
18
17
LVref
RVref
CONTROL
CIRCUIT
CONTROL
CIRCUIT
CONTROL
CIRCUIT
LOUT
LBASS
0.1uF
LIN
LSEL0
L4
L3
L2 L1
R1 R2
R3 R4
RSEL0
R1N
RTRELTRE
RBASS
0.1uF
ROUT
Yref
VDD
CL
DI
CE
YSS
CCB
INTERFACE
CD
Tuner
Tape
Video
24 23 22 21 20 19 18 17 16 15 14 13
123456789101112
LC75341
DI
CE
VSS
LOUT
LBASS
LTRE
LIN
LSEL0
L4 L3 L2 L1
CL VDD VREF ROUT RBASS RTRB RIN RSEL0 R4 R3 R2 R1