Continued from preceding page.
Pin No.
Pin name
I/O
6
VBIAS
O
LV4901H
Description
Internal regulator decoupling capacitor
connection
7
HP_GND1
8
HP_OUT1
Headphone ground of channel 1
O Headphone channel 1 output
Equivalent Circuit
VD
100Ω
6
100Ω
GND
VD2
9
VCC
O Internal power supply decoupling capacitor
connection
10
GND
11
HP_OUT2
Analog system ground
O Headphone channel 2 output
8
1.2kΩ
HP_GND
VD
9
2kΩ
GND
VD2
12
HP_GND2
13
NC
14
MUTE_CAP
Headphone ground of channel 2
NC
O Muting system capacitor connection
*VD2 : 9V line of Headphone Amp block
11
1.2kΩ
HP_GND
VCC
VDD
1kΩ 1kΩ
14
GND
100kΩ
Continued on next page.
No.A0098-5/14