Pin
Pin Name
Symbol
I/O
Pullup
STBY
Pass-
Trough
BT
STBY stop
Function
69 PB10
HDMI_RST
O
-
O/L
O/L
O/L
O/L
ADV7623_Reset control
70 PB11
HDMI_INT_TX_7623
I
+3VHPu
I
I
I
I
HDMI INT TX interrupt
71 VSS_1
-
-
-
-
-
-
GND
72 VDD_1
-
-
-
-
-
-
3.3V
73 PB12
788_OSD_SPI_CS
O
+3VHPu O/L
O/L
O/L
O/L
MN864788 OSD Chip Select
74 PB13
788_OSD_SPI_CLK
O
-
O/L
O/L
O/L
O/L
MN864788 OSD Clock
75 PB14
788_OSD_SPI_MISO
I
-
I
I
I
I
MN864788 O8D DATA input
76 PB15
788_OSD_SPI_MOSI
O
-
O/L
O/L
O/L
O/L
MN864788 OSD DATA output
77 PD8
DA_POWER
O
-
L
L
L
O/L
DA_POWER TIMING control
78 PD9
USB_POWER1
O
-
O/L
O/L
H
O/L
USB_POWER1(1.2V) TIMING control
79 PD10
CEC_OUT
O
-
O/L
O/L
O/L
O/L
CEC MODE control
80
PD11
HDMI_INT
I
+3VHPu
I
I
I
I
HDMI INT interrupt
81 PD12
HDMI_INT2
I
+3VHPu
I
I
I
I
HDMI INT2 intreeupt
82
PD13
HDMI_SDA
I/O +3VHPu O/L
O/L
O/L
O/L
HDMI SDATA
83 VSS_8
-
-
-
-
-
-
GND
84 VDD_8
-
-
-
-
-
-
3.3V
85 PD14
HDMI_SCL
O
-
O/L
O/L
O/L
O/L
HDMI SCL
86 PD15
H5V_DET
I
-
I
I
I
I
HDMI CEC STBY_H5_DET
87 PG2
HINSEL_A
O
-
O/L
O/L
O/L
O/L
HDMI CEC STBY_HINSEL_A
88 PG3
HINSEL_B
O
-
O/L
O/L
O/L
O/L
HDMI CEC STBY_HINSEL_B
89 PG4
HINSEL_C
O
-
O/L
O/L
O/L
O/L
HDMI CEC STBY_HINSEL_C
90 PG5
MAIN_POWER
O
-
O/L
O/L
O/L
O/L
POWER RELAY control
91 PG6
CPU_POWER
O
-
O/L
O/L
O/L
O/L
MCU POWER PULL UP SWITCHING
92 PG7
VOL+
I
Pu
I
I
I
I
VOLUME UP
93 PG8
VOL-
I
Pu
I
I
I
I
VOLUME DOWN
94 VSS_9
-
-
-
-
-
-
GND
95 VDD_9
-
-
-
-
-
-
3.3V
96 PC6
PWR_FAIL_PROTECT
I
M3VPu
I
I
I
I
+12V/-12V CHECK PROTECTION
97 PC7
VFD_CE
O
-
O/L
O/L
O/L
O/L
VFD_CE
98 PC8
VFD_CLK
O
-
O/L
O/L
O/L
O/L
VFD_CLK
99 PC9
THERMALDET_B
I
M3VPu
I
I
I
I
TEMPERATURE PROTECTION_B
100 PA8
VFD_DATA
O
-
O/L
O/L
O/L
O/L
VFD_DATA
101 PA9
UPDATE_TX
O
M3VPu
-
-
-
-
UPDATE TX
102 PA10
UPDATE_RX
I
M3VPu
-
-
-
-
UPDATE RX
103 PA11
THERMALDET_A
I
M3VPu
I
I
I
I
TEMPERATURE PROTECTION_A
104 PA12
MN864788_HAINT0(NC)
I
CE-
C3VPu
I
I
I
I
NC(MN864788_HDMI AUDIO INTERRUPT0)
105 PA13
DEBUG
I
-
-
-
-
-
JTMS / SWDIO
106 PCAP_2
-
-
-
-
-
-
Not Connected
107 VSS_2
-
-
-
-
-
-
GND
108 VDD_2
-
-
-
-
-
-
3.3V
109 PA14
DEBUG
I
-
-
-
-
-
JTCK / SWCLK
110 PA15
DEBUG
I
-
-
-
-
-
JTDI
111 PC10
MN864788_HINT
I
CE-
C3VPu
I
I
I
I
MN864788_HDMI INTERRUPT
112 PC11
MN864788_HAINT1
I
CE-
C3VPu
I
I
I
I
MN864788_HDMI AUDIO INTERRUPT1
113 PC12
ASO_DET
I
M3VPu
I
I
I
I
ASO_DETECT
114 PD0
VFD_RST
O
-
O/L
O/L
O/L
O/L
VFD_RESET(Low Active)
115 PD1
HP_RLY
O
-
O/L
O/L
O/L
O/L
H/P RLY control
116 PD2
USB_POWER2
O
-
O/L
O/L
H
O/L
USB_POWER2(3.3V) TIMING control
117 PD3
WAKE_UP
I
M3VPu
I
I
I
I
WAKE UP
118 PD4
HP_DET
I
Pu
I
I
I
I
H/P DETECT
119 PD5
GRN_LED
O
-
O/L
O/L
O/L
O/L
2COLOR LED GREEN
120 VSS_10
-
-
-
-
-
-
GND
121 VDD_10
-
-
-
-
-
-
3.3V
122 PD6
MN864788_SCL
O
CE-
C3VPu
-
-
O/L
O/L
MN864788_I2C_SCL
123 PD7
REMOTE_IN
I
M3VPu
I
I
I
I
REMOTE input(invert as AVR1312)
Pin
Pin Name
Symbol
I/O
Pullup
STBY
Pass-
Trough
BT
STBY stop
Function
124 PG9
MN864788_SDA
I/O
CE-
C3VPu
-
I/O
-
O/L
MN864788_I2C_SDA
125 PG10
EEPROM_SDA
I/O
M3VPu
O/L
O/L
O/L
O/L
EEPROM SDA
126 PG11
EEPROM_SCL
O
M3VPu
O/L
O/L
O/L
O/L
EEPROM SCL
127 PG12
DAC_MUTE(NC)
O
-
O/L
O/L
O/L
O/L
NC(DAC Mute control)
128 PG13
TUNER_SCLK
O
-
O/L
O/L
O/L
O/L
TUNER SCLK
129 PG14
TUNER_SDIO
I/O
-
O/L
O/L
O/L
O/L
TUNER SDIO
130 VSS_11
-
-
-
-
-
-
GND
131 VDD_11
-
-
-
-
-
-
3.3V
132 PG15
MN864788_RST
O
-
O/L
O/L
O/L
O/L
MN864788_RESET
133 PB3
DEBUG
O
-
-
-
-
-
JTDO / TRACESWO
134 PB4
DEBUG
I
-
-
-
-
-
NJTRST
135 PB5
SUB MUTE
O
-
O/L
O/L
O/L
O/L
Sub Woofer MUTE control
136 PB6
CEC_CTL1
I
-
I
I
I
I
CEC IN_CEC_CTL1
137 PB7
CP_RESET
O
-
O/L
O/L
O/L
O/L
APPLE AUTH_CHIP_RESET (FOR AVR-
X250BT)
138 BOOT0
BOOT0
I
Pd
I
I
I
I
UPDATE BOOT(HIGH:UPDATE /
LOW:NORMAL MODE)
139 PB8
TUNER_CE
O
-
O/L
O/L
O/L
O/L
TUNER CE
140 PB9
TUNER_INT
I
-
I
I
I
I
TUNER INTERRUPT
141 PE0
TUNER_RST
O
-
O/L
O/L
O/L
O/L
TUNER Reset control
142 PE1
RED_LED
O
-
O/L
H
H
O/L
2COLOR LED RED
143 VSS_3
-
-
-
-
-
-
GND
144 VDD_3
-
-
-
-
-
-
3.3V
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
35