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+5V +5V +5V
K/E Select
+5V
R101
R115 R114
4.7K
R102 R113
1K
10K(NC) 10K(NC)
BL_ADJ
10K
BACKLIGHT_EN
C101 JP101 PANEL_EN
2.2uF
+5V 1
2 U102 8XC51/PLCC
GND pitch 2.54 mm
2 24
T2/P1.0 P2.0/A8 HDATA0
R116 GND 3 25 +5V
4 T2EX/P1.1 P2.1/A9 26 MFB7
P1.2 P2.2/A10 MFB8
4.7K MUTE_OUT 5 27
R117 P1.3 P2.3/A11 MFB9
6 28
TREBLE 1K P1.4 P2.4/A12 HCLK
7 29
P1.5 P2.5/A13 HFS
8 30
C109
9 P1.6
P1.7
P2.6/A14
P2.7/A15
31 90.8.8 Add RP101 & RP102 R109 R108
2.2uF +5V
RST 10 32
3 10K 10K
RST PSEN 33
GND ALE/PROG RP101
R118 11 8 1
RXD RXD/P3.0 WP
13 36 7 2 CN101
TXD TXD/P3.1 P0.7/AD7
4.7K 14 37 KEY1(ORANGE?) 6 3
R119 IRQ INT0/P3.2 P0.6/AD6 1
15 38 KEY2(GREEN?) 5 4
BASS 1K 16 INT1/P3.3 P0.5/AD5 39 KEY3(AUTO) 2
SDA TO/P3.4 P0.4/AD4 3
17 40 KEY4(ENTER) 0(8P4R)
SCL T1/P3.5 P0.3/AD3 4
18 41 KEY5(RIGHT) RP102
RST1 WR/P3.6 P0.2/AD2 5
C110 19 42 KEY6(LEFT) 8 1
2.2uF /VGA_CON RD/P3.7 P0.1/AD1 6
+5V 43 7 2
P0.0/AD0 6 3 7
8
XTAL2 20 +5V_A 5 4
GND XTAL2 44 9
R103 X101 VCC 35 0(8P4R)
EA/VP
1
2
3
4
1
2
3
4
21 9 Pin pitch 2.0 mm
9
GND
4.7K XTAL1
NC
NC
NC
NC
R104 C104 20MHz C107 C106
1K
AUDIO_ADJ
22
12
23
34
33pF 22uF 0.1uF
1
C105
8
7
6
5
8
7
6
5
C102
2.2uF 33pF
CP101 1000 pF(NC) CP102 1000 pF(NC)
GND GND
GND
+3.3V +5V_A
JP102 +5V
9 0R
+5V
CN102
+3.3V AUDIO_ADJ 1
R110 +5V_A
L101 TREBLE 2
+5V 10K(NC) BASS 3
+5V MUTE_OUT 4
R107 R106 U101 WP INDUCTOR C111 5
6
C
10K 10K 8 470uF 6 Pin pitch 2.0 mm
C103 D101 VCC R111 GND
C108
22uF 1N4148 5 0R(NC) GND
SI 0.1uF
RST 7
C A
WP 1
6 A0 2
R105 D102 SCK A1 3 R112
A2
VSS
4 9
AOC (Top Victory) Electronics Co., Ltd.
10K 1N4148 0R
24LC04
90.8.8 Add L101 & C111
A
Title
GND GND
GND MICRO CONTROLLER
Size Document Number Rev
B A
860-2C.DSN
Date: Tuesday, August 17, 2021 Sheet 3 of 6
+3.3V
+5V
C807 C808 C809 C810 C811 C812 C813 C814
+5V
22uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
+3.3V
4
3
2
1
Connect two grounds at single point only. VDDA DVDDA SVDDA RVDDA
RP801
10K(8P4R) GND
ADC_AGND GND PLL_GNDA
5
6
7
8
8
125
139
149
128
129
136
137
143
C817 C818 C819 C820 C821 C822 C823 C824
11
12
21
33
40
58
65
77
79
10
84
88
92
96
U801
22uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
SVDD
RVDD1
RVDD2
CVDD1
CVDD2
RVDD3
CVDD4
PLL_DVDDA
PLL_RVDDA
PLL_SVDDA
DVDD
SRVDD1
SRVDD2
ADC_VDDA
SYN_VDD
ADC_BVDDA
DAC_SVDDA
ADC_VDD2
ADC_VDD1
ADC_GVDDA
ADC_RVDDA
DAC_DVDDA
1 4 1 TCLK
+5V 99 TCLK
HDATA0
1 0 5 HDATA GND
MFB7 MFB7
MFB8 104 6 PD47 L804
1 0 2 MFB8 PD47 7 PD46 VDDA
MFB9 MFB9 PD46
9 PD45
PD45 1 0 PD44 0R(1206) C825 C826 C827 C828 C829
103 PD44 1 3 PD43
HCLK HCLK PD43
8
7
6
5
4
3
2
1
IRQ 101 14 PD42 22uF 0.1uF 0.1uF 0.1uF 0.1uF
RP802 RP803 9 8 IRQ PD42 1 5 PD41
HFS HFS PD41
16 PD40
10K(8P4R) PD40 1 7 PD39
10K(8P4R) PD39 1 9 PD38
PD38
+5V 107 20 PD37
CN805 MFB5 PD37 2 2 PD36 L801
1
2
3
4
5
6
7
8
PD36 DVDDA
106 23 PD35
1 V_UP MFB6 PD35 2 4 PD34
2 V_DOWN PD34 2 5 PD33 BEAD 600 C801 C802 C803
3 T_UP PD33
R833 R832 26 PD32
4 T_DOWN PD32 2 7 PD31 22uF 0.1uF 0.1uF
5 B_UP PD31
0R(NC)
0R 28 PD30
6 B_DOWN PD30 2 9 PD29
7 MUTE_IN PD29 3 1 PD28
8 PD28
32 PD27
9 PD27 3 4 PD26 L802
PD26 SVDDA
9 Pin pitch 2.0 mm GND 35 PD25
GND PD25 3 6 PD24
MUTE_IN 2 4
1 PD24 3 7 PD23 BEAD 600 C804 C805 C806
VDDA B_DOWN1 2 3 MFB10 PD23
38 PD22
V_UP 1 0 9 MFB11 PD22 3 9 PD21 22uF 0.1uF 0.1uF
V_DOWN1 1 0 MFB4 PD21
42 PD20
T_UP 1 1 1 MFB3 PD20 4 6 PD19