GTK-XB7
GTK-XB7
29
29
4-7. SCHEMATIC DIAGRAM - MAIN Board (4/8) -
A
3
8
6
E
2
9
D
5
B
C
7
1
4
(4/8)
MAIN BOARD
F
GND
SDI
CLK
LE
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
PWMCLK
SDO
REXT
VDD
VDD
PC14/OSC32_IN
PC13
PF0/OSC_IN
PC15/OSC32_OUT
PF1/OSC_OUT
NRST
PC0
PC1
PC2
PC3
VSSA
VDDA
PA0
PA1
PA2
PA3 PF4 PF5 PA4 PA5 PA6 PA7 PC4 PC5 PB0 PB1 PB2 PB10 PB11 VSS VDD
PB12
PB13
PB14
PB15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
PF6
PF7
PA14
PA15
PC10
PC11
PC12
PD2
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
VSS
VDD
1
2
3
NC
NC
NC
GND
SDA
SCL
WP
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
1
2
3
4
FB51
220
FB51
220
R282
33
R282
33
FB57
220
FB57
220
R369
1M
R369
1M
C277
100pF/
50V/
N
P0
C277
100pF/
50V/
N
P
0
C345
0.
1U
F
C345
0.
1U
F
R395
1M
R395
1M
C342
0.
1U
F
C342
0.
1U
F
FB50
220
FB50
220
LED1642GWTTR
U1
LED1642GWTTR
U1
C103
0.1uF
C103
0.1uF
R
403
33
R
403
33
R393
1K
R393
1K
C244
100pF/
50V/
N
P0
C244
100pF/
50V/
N
P
0
R218
NC/4.7K
R218
NC/4.7K
C303
100pF/
50V/
N
P0
C303
100pF/
50V/
N
P
0
FB58
220
FB58
220
FB52
220
FB52
220
Y3
14.7456MHz/30PPM
Y3
14.7456MHz/30PPM
R
142
10K
R
142
10K
C
2
55
100pF/
50V/
N
P0
C
255
100pF/
50V/
N
P
0
C
304
100pF/
5
0V/
N
P0
C
3
04
100pF/
50V/
N
P0
C341
0.
1U
F
C341
0.
1U
F
R
399
33
R
399
33
R58
0
R58
0
UART2_TX
UART2_TX
C245
100pF/
50V/
N
P0
C245
100pF/
50V/
N
P
0
U16
STM32F030R8T6
U16
STM32F030R8T6
R
278
33
R
278
33
R394
1K
R394
1K
R219
NC/4.7K
R219
NC/4.7K
C256
100pF/
50V/
N
P0
C256
100pF/
50V/
N
P
0
FB59
220
FB59
220
XP52
3PIN/2.0mm
XP52
3PIN/2.0mm
R
123
4.
7K
R
123
4.
7K
FB10
120/2A
FB10
120/2A
C112
27pF/50V/NP0
C112
27pF/50V/NP0
C257
100pF/
50V/
N
P0
C257
100pF/
50V/
N
P
0
FB64
220
FB64
220
C246
100pF/
50V/
N
P0
C246
100pF/
50V/
N
P
0
R
148
0
R
148
0
C344
0.
1U
F
C344
0.
1U
F
FB53
220
FB53
220
C12
0.1uF/50V/X7R
C12
0.1uF/50V/X7R
FB60
220
FB60
220
R215
1M
R215
1M
C318
0.1UF
C318
0.1UF
C365
0.1UF
C365
0.1UF
FB48
500/800mA
FB48
500/800mA
R
390
33
R
390
33
C229
100pF/
50V/
N
P0
C229
100pF/
50V/
N
P
0
FB65
220
FB65
220
C247
100pF/
50V/
N
P0
C247
100pF/
50V/
N
P
0
D4
LL4148
D4
LL4148
C319
10uF
C319
10uF
C121
2.2uF
C121
2.2uF
R540
11K
R540
11K
C182
0.1uF/16V/X7R
C182
0.1uF/16V/X7R
U34
NC/EEPROM_16Kb_M24C16
U34
NC/EEPROM_16Kb_M24C16
C347
0.
1U
F
C347
0.
1U
F
FB61
220
FB61
220
C230
100pF/
50V/
N
P0
C230
100pF/
50V/
N
P
0
C250
100pF/50V/NP0
C250
100pF/50V/NP0
R122
33
R122
33
R216
1M
R216
1M
R128
4.7K
R128
4.7K
XP46
18PIN/1.0mm
XP46
18PIN/1.0mm
FB66
220
FB66
220
C231
100pF/
50V/
N
P0
C231
100pF/
50V/
N
P
0
R
125
33
R
125
33
C248
100pF/
50V/
N
P0
C248
100pF/
50V/
N
P
0
R120
33
R120
33
FB54
220
FB54
220
C113
30pF/50V/NPO
C113
30pF/50V/NPO
R132
4.7K
R132
4.7K
FB62
220
FB62
220
R
398
33
R
398
33
C232
100pF/
50V/
N
P0
C232
100pF/
50V/
N
P
0
R118
33
R118
33
R205
4.7K
R205
4.7K
C441
100pF/
50V/
N
P0
C441
100pF/
50V/
N
P
0
FB67
220
FB67
220
R147
33
R147
33
FB55
220
FB55
220
R281
33
R281
33
FB63
220
FB63
220
R154
10K
R154
10K
C233
100pF/
50V/
N
P0
C233
100pF/
50V/
N
P
0
XP9
4PIN/2.0mm
XP9
4PIN/2.0mm
FB68
220
FB68
220
R113
1M
R113
1M
R
374
10K
R
374
10K
XP36
4PIN/2.0mm
XP36
4PIN/2.0mm
R391
33
R391
33
FB56
220
FB56
220
R114
27K
R114
27K
FB49
220
FB49
220
R126
33
R126
33
R956
1K
R956
1K
C249
100pF/50V/NP0
C249
100pF/50V/NP0
C243
100pF/
50V/
N
P0
C243
100pF/
50V/
N
P
0
Close to MCU
Close to MCU
PWM5_R
PWM5_B
Flash_LED3
Flash_LED4
PWM2_R
PWM2_G
PWM2_B
PWM1_R
PWM1_G
PWM1_B
PWM5_G
LED_PW_EN
I2C2_SCL
I2C2_SDA
SWDIO
SWCLK
MCU_RST
YI
YO
SWDIO
SW
CLK
YO
YI
MCU_RST
PWM3_R
PWM3_G
PWM3_B
PWM4_G
PWM4_R
PWM4_B
IR
PWM1_B
PWM1_R
PWM5_B
PWM5_R
PWM5_G
PWM2_R
PWM2_G
PWM1_G
PWMCLK
SPI3_MOSI
SPI3_SCK
SPI3_LE
3.3V_D2_EN
CHG_
E
N
POWER_EN
Bl
ue_LED
2
Bl
ue_LED
1
FAN_PWM
USB_EN
USB_FAULT
BT_MFB_MCU
AM
P_M
U
TE
Blue_LED3
IR
I2
C1
_S
DA
I2C
1_SC
L
Par
ty_C
hai
n_SW
Flash_LED4
I2C
2_SD
A
I2C
2_SC
L
Y_Rest
Flash_LED3
Par
ty_C
hai
n_I
n
BT_RESET
I2C_SW
SW_G
3157
PWMCLK
NFC_
INT
Par
ty_C
hai
n_O
ut
POWER_KEY
ADC_KEY
AUDIO_
M
UTE
Re
la
y_
EN
SPI
3_LE
SPI
3_SCK
SPI
3_M
ISO
SPI3_MISO
SPI
3_M
OSI
G_
INT
Blue_LED4
PW_LED2
PW_LED1
Bl
ue_LED
7
Bl
ue_LED
6
Bl
ue_LED
5
PWM2_B
PWM3_R
PWM3_B
PWM3_G
PWM4_R
PWM4_B
PWM4_G
NFC_BT
LED_PW_EN
BM_update_EN
VALID 12
LED Driver
LED Control
To CENTER
EEPROM
+12V
3.3V_D1
3.3V_D1
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
MCU_3.3V
STB_3.3V
MCU_3.3V
MCU_3.3V
MCU_3.3V
M
CU_
3.
3V
M
CU_
3.
3V
STB_5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
3
2
5
4
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
1
2
3
4
MCU_RST
• See page 44 for IC Block Diagrams.