Epson S5U1C31D50T1 Manual page 12

Figure 3.3.1 Layout of Jumpers and Connectors for Audio Amplifier Selecting
S5U1C31D50T1 Manual
(Rev.2.0)
Jumpers for audio amplifier setting
(JP1/JP2/JP3/J13/JP4/JP5)
Seiko Epson Corporation
3. Settings
Sound output connector
for class-AB amplifier(J8)
Sound output connector
for class-D amplifier(J9)
9