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GTK-XB90
GTK-XB90
28
28
5-6. SCHEMATIC DIAGRAM - MAIN Board (3/8) -
++
++
+
-
+
-
++
+
-
+
-
C222
0.1UF
C222
0.1UF
C221
100nF
C221
100nF
C81
10uF/
16V/
X
5
R
C81
10uF/
16V/
X
5
R
R67
1K
R67
1K
C240
10uF/
6.
3V/
X5R
C240
10uF/
6.
3V/
X5R
R
150
4.
7K
R
150
4.
7K
C186
0.1UF
C186
0.1UF
C80
0.1UF
C80
0.1UF
C228
10uF/
6.
3V/
X
5R
C228
10uF/
6.
3V/
X
5R
C88
1000pF/
50V/
X
7R
C88
1000pF/
50V/
X
7R
R63
33
R63
33
FL1
ELE900
FL1
ELE900
ESD2
NC/L
VE16Y1R0
ESD2
NC/L
VE16Y1R0
R110
680
R110
680
C258
0.1UF
C258
0.1UF
R73
150
R73
150
R133
10K
R133
10K
C230
100nF
C230
100nF
R139
100K
R139
100K
C75
1uF/
16V
C75
1uF/
16V
U10
GMT_G527
U10
GMT_G527
P5
4PIN/2mm
P5
4PIN/2mm
C90
1uF/
16V
C90
1uF/
16V
22uF/16V
CE6
22uF/16V
CE6
R78
33
R78
33
C73
47pF/50V/NP0
C73
47pF/50V/NP0
ESD10
NC/
LVE16Y1R0
ESD10
NC/
LVE16Y1R0
C115
1uF/16V
C115
1uF/16V
C
321
47pF/
5
0V/
N
P0
C
321
47pF/
5
0V/
N
P0
U14
NX3DV42GU
U14
NX3DV42GU
R65
1K
R65
1K
C64
10N
F
C64
10N
F
C70
330pF/16V/NP0
C70
330pF/16V/NP0
C7
0.
1U
F
C7
0.
1U
F
C38
0.1UF
C38
0.1UF
R134
10K
R134
10K
R82
10K
R82
10K
C192
10uF/
6.
3V/
X
5R
C192
10uF/
6.
3V/
X
5R
C
316
47pF/
5
0V/
N
P0
C
316
47pF/
5
0V/
N
P0
C8
0.
1uF/
50V/
X
7R
C8
0.
1uF/
50V/
X
7R
C63
1000pF/
50V/
X
7R
C63
1000pF/
50V/
X
7R
R151
15K/1%
R151
15K/1%
C11
0.
1uF/
50V/
X
7R
C11
0.
1uF/
50V/
X
7R
R79
33
R79
33
R76
10K
R76
10K
C269
4.7uF/10V/X5R
C269
4.7uF/10V/X5R
R90
47K
R90
47K
100uF/16V
CE8
100uF/16V
CE8
R266
1K/1%
R266
1K/1%
R87
47K
R87
47K
U930A
F4558
U930A
F4558
FB11
4.7
FB11
4.7
R117
3.3K
R117
3.3K
C71
4.7uF/10V/X5R
C71
4.7uF/10V/X5R
220uF/16V
CE17
220uF/16V
CE17
R270
0
R270
0
R98
51K
R98
51K
R81
47K
R81
47K
C72
0.1UF
C72
0.1UF
R271
0
R271
0
R107
51K
R107
51K
R140
0
R140
0
P3
7PIN/CKX-064-13SA02H
P3
7PIN/CKX-064-13SA02H
R88
100K
R88
100K
XP4
5PIN/2.0mm
XP4
5PIN/2.0mm
R109
1K
R109
1K
U23
NX3DV42GU
U23
NX3DV42GU
C
282
1000pF/
50V/
X
7R
C
282
1000pF/
50V/
X7R
R316
4.7
R316
4.7
R80
100K
R80
100K
R130
1.8K
R130
1.8K
C95
4.7uF/10V/X5R
C95
4.7uF/10V/X5R
C101
100pF/
50V/
N
P
0
C101
100pF/
50V/
N
P
0
U28
U28
R89
10K
R89
10K
R62
33
R62
33
U930B
F4558
U930B
F4558
R
105
4.
7K
R
105
4.
7K
USB PORT
CHARGE_SWITCH
BM update_SWITCH
USB POWER SWITCH
D-
D+
USB_DM
USB_DP
MIC_IN
REF
REF
MI
C
_G
N
D
GND
MIC_DET
D+
D-
MIC_IN
REF
Wired PARTY CHAIN
STB_5V
Wired Green_LED
USB_EN
USB_FAULT
USB_5V
KNOB2
CHG_EN
BT_DP
BT_DM
BM_update_EN
USB_DM
USB_DP
BCLK5
10
MCLK5
10
LRCK5
10
DATA7
10
MI
C
_D
E
T
Wired PARTY CHAIN
Wired Green_LED
USB_EN
USB_FAULT
KNOB2
Compatible for footprint
KARAOKE
MIC DETECT
NEW PART
FROM MIC BOARD
MIC KNOB
R102+R266=16K,Ilim=2.25A_min,2.5A_typ
USB_VCC1
USB_5V
USB_5V
5V_D1
3.3V_D1
3.3V_D1
V_12V
STB_5V
USB_5V
STB_3.3V
USB_VCC1
4
1
3
2
1
5
3
4
2
6
4
3
2
1
6
5
1
2
3
4
5
6
7
8
9
10
3
2
1
84
5
3
2
7
8
4
1
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
9
10
8
13
14
12
1
2
3
4
5
6
7
5
6
7
84
OUT 1
ILIM
FLG
EN
GND
IN
VCC
D-
D+
GND
Shell B
Shell A
D+
D-
GND
HSD1-
HSD1+
HSD2-
HSD2+
OE
Vcc
S
DET1
SGND
SIN
DET2
DET2
DET1
GND
1
2
3
4
5
D+
D-
GND
HSD1-
HSD1+
HSD2-
HSD2+
OE
Vcc
S
MD1
DOUT
MD0
BCK
VINL
VINR
FMT
VREF
AGND
VCC
VDD
DGND
SCKI
LRCK
PCM1808
PCM1808
A
E
D
B
C
1
2
3
4
5
6
7
8
9
(3/8)
MAIN BOARD
F
SYS SET
2020/08/20 22:42:53 (GMT+09:00)