GX-BT3 (serv.man4). Reference - Sharp Audio Service Manual (repair manual). Page 17

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GX-BT7
4 – 4
IC600 VHiOTK5262/-1 : OPTEK SOC IC (4/5)
Pin No.  Pin Name 
Type 
Description 1 
Description 2 
Description 3 
Description 4 
63 GPI2[20]/CH1_PWM_P 
PWM
GPI2-20 
PWM Audio 
output channel1 
terminal P 
64 PVDD_1V2 
Power 
Chip core power 
supply 1.2v 
65
PDVDD
Power 
Chip power supply 
66 GPI2[23]/CH2_PWM_N 
PWM
GPI2-23 
PWM Audio 
output channel2 
terminal N 
67 GPI2[22]/CH2_PWM_P 
PWM
GPI2-22 
PWM Audio 
output channel2 
terminal P 
68 GPI2[25]/CH3_PWM_N 
PWM
GPI2-25 
PWM Audio 
output channel3 
terminal N 
69 GPI2[24]/CH3_PWM_P 
PWM
GPI2-24 
PWM Audio 
output channel3 
terminal P 
70
GPIO0[11]/UART2_TX SSP
GPIO0-11
UART2 
Tx 
71 LIN
Analog 
Analog Audio 
input channel left   
72 LAUX
Analog 
Analog Audio 
input AUX channel 
left 
73 AGND
Power 
Analog 
ground 
74 AVDD
Power 
Analog 
power 
75 RAUX
Analog 
Analog Audio 
input AUX channel 
right 
76 RIN
Analog 
Analog Audio 
input channel right 
77 MIC_BIAS 
Analog 
Mic-phone bias 
input 
78 VMID
Analog 
VMID
79 HP_LOUT
Analog 
Headphone left 
channel Out 
80 HP_ROUT
Analog 
Headphone right 
channel Out 
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