Video ICs
Pin No. Pin name Pin voltage Zin I / O
VCC
Equivalent circuit
9
STB
25
STT
—
30k —
30k
GND
DAC
VCC
10
RT
22
CT
4.5V 30k —
24
LT
GND
VCC
30k
1
2
VCC
11
RB
21
CB
4.5V 30k —
23
LB
GND
VCC
30k
1
2
VCC
13
SRV
14
SLV
18
SCV
—
30k —
GND
30k
DAC
BH3866AS
Function
Integration pins that prevent
shock sound when switching
the bass and treble levels.
Treble filter pins for the left,
right, and center channels.
Bass filter pins for the left,
right, and center channels.
Integration pins that prevent
shock sound when switching
the volume levels on the left,
right, and center channels.
5