Service manual
TEST0
TEST7
TEST1
REFCLK
USB_DM
USB_DP
USB_ID
VBUS
GPIO7
KEYPAD_PWR
KEYPAD_MENU
KEYPAD_FOCUS
KEYPAD_ENTER
KEYPAD_SHIFT
KEYPAD_UP
KEYPAD_DOWN
KEYPAD_RIGHT
KEYPAD_LEFT
KEYPAD_SOURCE
PWR_LED_SET
STATUS_LED1
STATUS_LED2
POW ER_LED2
POW ER_LED1
REFCLKKEYPAD_DOWN
STATUS_LED1
POW ER_LED1
STATUS_LED2
BIR
POW ER_LED2
PWR_LED_SET
KEYPAD_PWR
KEYPAD_MENU
KEYPAD_SOURCE
KEYPAD_RIGHT
KEYPAD_LEFT
KEYPAD_UP
KEYPAD_SHIFT
KEYPAD_ENTER
KEYPAD_FOCUS
KEYPAD_MENU
KEYPAD_PWR
IR_IN
EP_SCLK
404_IN1
404_CS
404_IN2
404_IN3
404_IN4 OSCIN_B
EP_SDAT
RESET_M 404I_EXT
404I_MOB12
404I_SDAT
404I_SCLK
404I_CS
OSCIN_A
SYS_SCL_1
SYS_SDA_1
AVSS_SYS
AVSS_MC
AVSS_AUX
AVSS_VID
AVSS_SYS
AVSS_AUX
AVSS_MC
AVSS_VID
3.3V_SO
1.2V_SO
1.2V_SO
1.2V_SO
1.2V_SO
AVDD_SYS
AVDD_SYS
AVDD_AUX
AVDD_AUX
AVDD_MC
AVDD_MC
AVDD_VID
AVDD_VID
VDDA33
VDDA33 1.2V_SO
3.3V_SO
3.3V_SO
VSSA33
VSSA33VSSA33
VSSA33
VSSA33
3.3V_SO
3.3V_SO
5V_ADC
3.3V_SO
3.3V_SO
3.3V_ST 3.3V_ST 3.3V_ST 3.3V_ST 3.3V_ST 3.3V_ST 3.3V_ST
3.3V_ST 3.3V_ST 3.3V_ST
VSSA33
3VAA
3.3V_ST
3.3V_ST
3.3V_SO
3.3V_ST
3.3V_SO
SYS_RST10,15,32
SYS_SCL_110,27,28
SYS_SDA_110,27,28
RXDA30
TXDA30
SYS_SCL_03,7,8,9,10,18,27,28,29
SYS_SDA_03,7,8,9,10,18,27,28,29
EP_SDAT21,22,23,26
EP_SCLK21,22,23,26
EP_SCS21,22,23
SCSHBB26
SCSHBR26
SCSHBG26
PAL_DEBUG2
KEYPAD_DOWN16
KEYPAD_LEFT16
KEYPAD_RIGHT16
KEYPAD_SOURCE16
KEYPAD_ENTER16
KEYPAD_SHIFT16
KEYPAD_UP16
KEYPAD_MENU2
KEYPAD_FOCUS16
KEYPAD_PWR2
BUSY 18
SEL_SOY 6
RSTB 18
SLEEP 29
RT_CT RL 26
LAMP_RET 28
KEYPD_PWR_ON 2
HDA_DET 4
HDB_DET 4
POWER_HC 1,2
PW R_OFF_CMD 2
POW ER_LED12
FIR 2,28
BIR 2,28
404_CS
LED_CONTROL17,27
404_IN117
404_IN217
404_IN317
404_IN417 OSCIN_B 32
RESET_M17
404I_MOB12 32
404I_EXT 32
404I_SDAT 32
404I_SCLK 32
404I_CS 32
OSCIN_A 32
LED_STB 27
Note that the AVDD and AVSS pins of U37 are not
connected to the board power and ground planes.
USB_DP, USBDM differential Z0=90 ohm
Place R449 as close
as possible to U37
Pin-Y24 TXDB/DATA16 high: 8-bit Flash
Pin-Y24 TXDB/DATA16 low: 16-bit Flash
Slave Addr = 0x48
Place L14 as close
as possible to CON1
ADD GND PIN
close to u31
10/26
10/30
R421
10K
R421
10K
R465
100R
R465
100R
TP282TEST1TP282TEST1
TP961TP961
R98 4K7R98 4K7
R422 4K7R422 4K7
N2
1
N1
2
ESD2
1608SGX
ESD2
1608SGX
TP268TP268
R185 NC/0RR185 NC/0R
VCC
4
OUT
3
GND
2
EN
1
Y4
OSC4 27Mhz
Y4
OSC4 27Mhz
C760
NC/0.1uF
C760
NC/0.1uF
C137
330pF
C137
330pF
1
3
2
D12
NC/BAV99L
D12
NC/BAV99L
R116 0RR116 0R
R464 NC/0RR464 NC/0R
R183 0RR183 0R
L6
BLM31AF700SN1
L6
BLM31AF700SN1
1
3
2
D7
NC/BAV99L
D7
NC/BAV99L
C570
0.1uF
C570
0.1uF
+
C610
100uF/16V
+
C610
100uF/16V
R528 NC/4K7R528 NC/4K7
R97 4K7R97 4K7
12
3
Y3 NC /CS10-48.000MY3 NC/CS10-48.000M
R144 0RR144 0R
R388 NC/0RR388 NC/0R
C320
0.1uF
C320
0.1uF
R539 220RR539 220R
C601
0.1uF
C601
0.1uF
P0
4
P1
5
P2
6
P3
7
GND
8
P4
9
P5
10
P6
11
P7
12
INT
13
SCL
14
SDA
15
VDD
16
A0
1
A1
2
A2
3
U72
PCA9554PW
02089-0007-01
U72
PCA9554PW
02089-0007-01
1
3
2
D9
NC/BAV99L
D9
NC/BAV99L
U85
NC/74LVC1G08
U85
NC/74LVC1G08
1
4
2
3
L14CHOKE_CM14 L14CHOKE_CM14
TP291TEST0TP291TEST0
R274 1206L150R274 1206L150
R182 0RR182 0R
R519 220RR519 220R
R390 0RR390 0R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
J26
20X1/1mm
J26
20X1/1mm
R389 10KR389 10K
R427 0RR427 0R
+
C557
100uF/16V
+
C557
100uF/16V
R392 NC/10KR392 NC/10K
TP274TP274
C151
0.1uF
C151
0.1uF
R382 1KR382 1K
R630
NC/10K
R630
NC/10K
C580
0.1uF
C580
0.1uF
C190
0.1uF
C190
0.1uF
R589 1KR589 1K
R142 0RR142 0R
1
3
2
D14
NC/BAV99L
D14
NC/BAV99L
TP931TP931
R454 NC/1KR 454 NC/1K
R391 NC/10KR391 NC/10K
1
3
2
D16
NC/BAV99L
D16
NC/BAV99L
OC
5
EN
4
IN1
2
IN2
3
GND
1
OUT 1
6
OUT 2
7
OUT 3
8
U54
TPS2051BD
U54
TPS2051BD
TP944TP944
TP202TP202
C163
NC/18pF
C163
NC/18pF
C149
NC/18pF
C149
NC/18pF
GPIO0
AB1
GPIO1
AA5
GPIO2
AB2
GPIO3
AA6
GPIO4
AB4
GPIO5
AB3
GPIO6
AA7
GPIO7
AC1
GPIO8
AC3
GPIO9
AC2
GPIO10
AD1
GPIO11
AB6
GPIO12
AE1
GPIO13
AD2
GPIO14
AA8
GPIO15
AF2
GPIO16
AB7
GPIO17
AC5
GPIO18
AE3
GPIO19
AC6
GPIO20
AC7
GPIO21
AD4
GPIO22
AB8
GPIO23
AA9
GPIO24
AF3
General Purpose I/O
U37G
VX - 200
General Purpose I/O
U37G
VX - 200
+
C618
100uF/16V
+
C618
100uF/16V
B
E C
Q16
NC/MMBT3904
Q16
NC/MMBT3904
TP917TP917
R590
NC/4K7
R590
NC/4K7
+
C588
100uF/16V
+
C588
100uF/16V
R451
100R
R451
100R
C508 0.1uFC508 0.1uF
TP894TP894
R383 1KR383 1K
1
3
2
D11
NC/BAV99L
D11
NC/BAV99L
R459
100R
R459
100R
R631
NC/10K
R631
NC/10K
C136
330pF
C136
330pF
R292 0RR292 0R
C152
0.1uF
C152
0.1uF
R441
10K
R441
10K
TP231TP231
R587 0RR587 0R
R586 0RR586 0R
R137
10K
R137
10K
R150 0RR150 0R
TP897TP897
N2
1
N1
2
ESD1
1608SGX
ESD1
1608SGX
R184
10K
R184
10K
+
C310
100uF/16V
+
C310
100uF/16V
C766
15pF
C766
15pF
1
3
2
D13
NC/BAV99L
D13
NC/BAV99L
1
2
3
4
GND1
5
GND2
8
67
910
CON1
DIP/KS-001-BNW(USB)
02474-0061-01
CON1
DIP/KS-001-BNW(USB)
02474-0061-01
TP234TP234
1
3
2
D10
NC/BAV99L
D10
NC/BAV99L
TWIACLK
V21
TWIADAT
Y25
TWIBCLK
U21
TWIBDAT
Y26
U SB_XO
AE20
U SB_DP
AF17
U SB_DM
AF18
RXDA
Y22
TXDA
Y21
RXDB
Y23
TXDB/DATA16
Y24
RESET
AD10
U SB_XI
AF21
USB_ REXT
AE18
U SB_ATEST
AE21
USB_ VDD
AD16
USB_VDDA33C
AE19
U SB_VSS
AE17
U SB_VSSA33C
AD18
U SB_VSSA33T
AB15
USB_ VBUS
AE16
U SB_ID
AF16
U SB_DRVVBUS
AC12
U SB_VSSA33T
AC16
U SB_VSSA33T
AF19
USB_VDDA33T
AF20
USB_VDDA33T
AA15
Host Interface
U37E
VX - 200
Host Interface
U37E
VX - 200
TP880 IO_7TP880 IO_7
+
C153
10uF/10V
+
C153
10uF/10V
R535 220RR535 220R
TP227TP227
R159 0RR159 0R
R160 0RR160 0R
1
3
2
D15
NC/BAV99L
D15
NC/BAV99L
R393 0RR393 0R
R477
100R
R477
100R
R420 0RR420 0R
TP265TEST7TP265TEST7
C1
C2 A2
A1
LED1
LED-BI
LED1
LED-BI
R423 0RR423 0R
TP898TP898
R449
3K4/1%
R449
3K4/1%
R520
NC/1K
R520
NC/1K
C595
0.1uF
C595
0.1uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN4
FPC-0.5-20P
CN4
FPC-0.5-20P
R588 1KR588 1K
R145 0RR145 0R
R139 47RR139 47R
R591 0RR591 0R
REFCLKA
AB11
AVSS_SYS
AF7
AVSS_AUX
AE10
AVSS_VID
AF8
AVDD_VID
AE9
AVDD_SYS
AE8
AVDD_AUX
AF9
AVDD_MC
F12
AVSS_MC
F13
NC2
AD8
NC3
AE5
NC1
AA11
Clock Generator
U37F
VX - 200
Clock Generator
U37F
VX - 200
R516
NC/1K
R516
NC/1K
TP257 USB_IDTP257 USB_ID
116
215
314
413
512
611
710
89
RP42
4K7x8
RP42
4K7x8
1
3
2
D8
NC/BAV99L
D8
NC/BAV99L
R91 4K7R91 4K7
R119 NC/1MR119 NC/1M
TP882 IO_6TP882 IO_6
R96 0RR96 0R
C1
C2 A2
A1
LED2
LED-BI
LED2
LED-BI
TP269TP269
R521 220RR521 220R
R161 1KR161 1K
Model
Title
Date Rev:
ViewSonic Corporation
VX-210
78
ViewSonic Corporation Confidential - Do Not Copy PRO8100-1