NEC MultiSync 20WGX2 Series Service Manual page 136

2
MODEL LCD 20WGX SCHEMATIC DIAGRAM - Scaler FLI5961H/gm5861 (2/5)
+3_3AVDD
FB330
PBY201209T-300Y-S
+5V
CON4
P304
1
UART_DO-BOOT3
2
UART_DI
3
4
GND
gProbe
+3_3DVDD
R354
R358
R359
R360 NC
R361
R362 NC
R363
+3_3RVDD
R364
R366
NC
R367
R368
NC
R369
GND
SPI_CSn-BOOT0
SPI_DI
SPI_WP
GND
+3_3DVDD
C412
0.1uF
GND
I310
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCK
4 5
VSS SI
24LC32B
GND
+1_8DVDD
+1_8AVDD
2 +1_8DVDD
2 +1_8AVDD
C383 C384 C385 C386 C387 C388 C365
47uF/25V
47uF/25V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
+3_3ADCV GND
GND
C395 C396 C397 C398 C399 C400 C401
47uF/25V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
GND
2 DDC_SCL_DVI
2 DDC_SDA_DVI
2 DDC_SCL_VGA
2 DDC_SDA_VGA
3_3AVDD
+5V C405 C406
5.6pF X301 5.6pF
R349
6K 14.318MHz
SW301
RESETn
BOOTSTRAP
2 HSYNC1
Reset
C407 R457
2 VSYNC1
Lo Int ROM selects TCLK
13.7K
10nF
Lo 14.318MHz
GPIO9
Lo Int ROM selects TCLK
PWM1
Hi 20MHz 2 BLUE+
GND
Hi Int ROM selects TCLK 2 GREEN+
GPIO_9/PWM3/BOOT7
Lo 24MHz 2 RED+
10K
R355 56 1%
Hi Int ROM selects TCLK
R356 56 1%
Hi 19.661MHz
GPIO_8/PWM2/BOOT6 R357 56 1%
10K
Lo Hi
4 Pb
PWM1-BOOT4 GND
Atmel Data Flash 4 Y
10K GPIO8 Standard SPI i/f
i/f 4 Pr
OCM 24 bit
PWM0-BOOT5 OCM 20 bit
2 RX2+
PWM0
10K ADD mode ADD mode
2 RX2-
2 RX1+
2 RX1-
In ckt debug on In ckt debug on
UART_DO-BOOT3
U_DO 2 RX0+
DDC_A
10K DDC_D
2 RX0-
2 RXC+
S_DO
Int OSC Ext OSC 2 RXC-
SPI_DO-BOOT2
10K
Lo Normal
4 V_5160_D[0..7]
Lo
SPI_CLK-BOOT1
Lo Debug
10K
S_CLK Hi
S_CSn
SPI_CSn-BOOT0
Hi Test A
Lo
10K +3_3DVDD
Hi Test B 4 5160_CLK
Hi
R370 C411 R371
10K 0.1uF 10K
I309
GND
1 8 VIN2
4 VIN2
CE# VCC
2 7 VIN1
4 VIN1
SO HOLD#
3 6 SPI_CLK-BOOT1
WP# SCK
4 5 SPI_DO-BOOT2
VSS SI
2 DPMS_SW
SST25VF040-20-4C-QAE
4 Audio_In_Sel
4 Resetb
4 KEY_PWR
+3_3DVDD
+3_3RVDD
D connector issue
R523 18KF D4_ADC
4 D4_11
R372
Place each PogoPin Via with
20K
unobstructed vertical access.
GND
SCL
SDA
NVRAM
DNP
C366 C367 C368 C369 C370 C371 C372
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
+3_3ADCV
+3_3AVDD FB331 3_3AVDD
PBY201209T-300Y-S
I308
107
C404
VDD_DVI_1.8
C403 115
VDD_DVI_1.8
47uF/25V 0.1uF 123
VDD_DVI_1.8
158
VDD1_ADC_1.8
160
VDD_RPLL_1.8
GND
164
AVDD_RPLL_3.3
140
VDDA_ADC_3.3
151
VDDA_ADC_3.3
154
VDDA_ADC_3.3
111
VDDA_DVI_3.3
119
VDDA_DVI_3.3
130
UART_DI
131
UART_DO/BOOT[3]
124
DDC_SCL_CH2
125
DDC_SDA_CH2
128
DDC_SCL_CH1
129
DDC_SDA_CH1
GPIO_0 191
GPIO_0/DDC_SCL_0
GPIO_1
192
GPIO_1/DDC_SDA_0
162
XTAL
163
TCLK
165
RESETn
132
HSYNC2
133
VSYNC2
R350
0 136
HSYNC1
R351 0 137
FLI5961
VSYNC1
GND 139
BLUE2+
141
SOG_MCSS2
142
GREEN2+
144
RED2+
C408 10nF 146
BLUE-
C409 10nF 147
GREEN-
C410 10nF 148
RED-
150
BLUE1+
152
SOG_MCSS1
153
GREEN1+
155
RED1+
+3_3ADCV
109
RX2+
110
RX2-
112
RX1+
113
RX1-
117
RX0+
118
RX0-
120
RXC+
121
RXC-
R365 249 1% 106
REXT
V_5160_D[0..7]
V_5160_D7 176
GPIO_24/VD[0]
V_5160_D6 177
GPIO_25/VD[1]
V_5160_D5 178
GPIO_26/VD[2]
V_5160_D4 179
GPIO_27/VD[3]
V_5160_D3 180
GPIO_28/VD[4]
V_5160_D2 181
GPIO_29/VD[5]
V_5160_D1 182
GPIO_30/VD[6]
V_5160_D0 183
GPIO_31/VD[7]
184
VCLK
187
SPI_CSn/BOOT[0]
188
SPI_CLK/BOOT[1]
189
SPI_DI
190
SPI_DO/BOOT[2]
R372 20K
GND
167
4 D4_11 LBADC_IN3
168
LBADC_IN2
169
LBADC_IN1
SP1 171
JTAG_BS_EN
194
GPIO_3/JTAG_RESET
197
GPIO_4/JTAG_TDO
198
GPIO_5/JTAG_TDI
SPI_WP
199
GPIO_6/JTAG_CLK
200
GPIO_7/JTAG_MODE
R373 10K
R458 10K
SP3 SP5
SP2 SP4 SP6
+5V
TP1
5V Pogo
RESETn
TP2
Reset Pogo
DDC_SCL_VGA
TP3
SCL Pogo
DDC_SDA_VGA TP4
SDA Pogo GND
TP5
GND Pogo
GND
10-2
+3_3RVDD +3_3DVDD
FB327
C373 C374 C375 C376 C377 C378 C379 C380 C382 PBY201209T-300Y-S
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 47uF/25V
0.1uF 0.1uF
GND
WP_EN 2
DVI_CAB 2
C389 C390 C391 C392
VGA_CAB 2
5V_T_EN 4
90 0.1uF 0.1uF 0.1uF 0.1uF
GPIO_13/B7
89 R455 3K3
+3_3RVDD
GPIO_12/B6
88 R456 3K3
GPIO_11/B5
87
GPIO_10/B4
LV_O[0..9]
LV_O[0..9] 4
LV_O0
84
CH0N_LV_O/B3
LV_E[0..9]
83 LV_O1
CH0P_LV_O/B2 LV_E[0..9] 4
LV_O2
82
CH1N_LV_O/B1
LV_O3
81
CH1P_LV_O/B0
LV_O4
80
CH2N_LV_O/G7
79 LV_O5
CH2P_LV_O/G6
LV_O6
78
CLKN_LV_O/G5
LV_O7
77
CLKP_LV_O/G4
76 LV_O8
CH3N_LV_O/G3
75 LV_O9
CH3P_LV_O/G2
LV_E0
72
CH0N_LV_E/G1
71 LV_E1
CH0P_LV_E/G0
70 LV_E2
CH1N_LV_E/R7
69 LV_E3
CH1P_LV_E/R6
LV_E4
68
CH2N_LV_E/R5
67 LV_E5
CH2P_LV_E/R4
66 LV_E6
CLKN_LV_E/R3
LV_E7
65
CLKP_LV_E/R2
LV_E8
64
CH3N_LV_E/R1
63 LV_E9
CH3P_LV_E/R0
97
USB_EN 5
GPIO_17/DVS
96
GPIO_16/DHS 5160_PWDN 4
95 MUTE
GPIO_15/DEN MUTE 2
94
PWRDOWN 2
GPIO_14/DCLK
58 DPWON
PPWR DPWON 4
BKLT_EN
59
PBIAS BKLT_EN 2
204 GPIO_9/PWM3/BOOT7
GPIO_9/PWM3/BOOT[7] LED_BLUE 4
203 GPIO_8/PWM2/BOOT6 +3_3RVDD
GPIO_8/PWM2/BOOT[6] LED_AMBER 4
202 PWM1-BOOT4
PWM1/BOOT[4] PWM_BRI 2
201 PWM0-BOOT5
LED_BLUE_ADJ 4
PWM0/BOOT[5]
175 IR_RS770
GPIO_23/INT0 IR_RS770 4
172 5160_IRQ
5160_IRQ 4
GPIO_22/INT1
101
GPIO_21/SDA_1(2W_Mst) DVI_SW 2
100
GPIO_20/SCL_1(2W_Mst) DVI_CTL 2
99 SDA
GPIO_19/SDA_0(2W_Mst)
SCL
98
GPIO_18/SCL_0(2W_Mst)
193
GPIO_2 AI_ENABLE 2,4
1 8
45 RN301 2 7
DQ0_B
44 0Rx4 6
3
DQ1_B
43 4 5
DQ2_B
42 1 8
DQ3_B
41 RN302 2 7
DQ4_B
40 0Rx4 6
3
DQ5_B
39 4 5
DQ6_B
38
DQ7_B
53 1 8
DQ8_B
52 RN303 2 7
DQ9_B
51 0Rx4 3 6
DQ10_B
50 4 5
DQ11_B
49 1 8
DQ12_B
48 RN304 2 7
DQ13_B
47 0Rx4 3 6
DQ14_B
46 4 5
DQ15_B
7 1 8
DQ0_A
6 RN305 2 7
DQ1_A
5 0Rx4 3 6
DQ2_A
4 4
5
DQ3_A
3 1 8
DQ4_A
2 RN306 2 7
DQ5_A
1 0Rx4 3 6
DQ6_A
208 4
5
DQ7_A
15
DQ8_A
14 1 8
DQ9_A
13 RN307 2 7
DQ10_A
12 0Rx4 3 6
DQ11_A
11 4 5
DQ12_A
10 1 8
DQ13_A
9 RN308 2 7
DQ14_A
8 0Rx4 3 6
DQ15_A
4 5
35
A10
34 1 8
A0
33 RN309 2 7
A1
32 0Rx4 3 6
A2
31 4 5
A3
30 1 8
A4
29 RN310 2 7
A5
28 0Rx4 3 6
A6
27 4 5
A7
26 1 8
A8
23 RN311 2 7
A9
0Rx4 3 6
4 5
57
DQM
22
MCLK
21
BA
20
RAS#
R374 22
19
CAS#
18 R375 33
WE#
R376 22
104
SCAN_EN
R379 22
159
VBUFC_RPLL
R380 22
SP7
SP8
+3_3DVDD 2,4
+3_3AVDD
+3_3AVDD 2
C394
47uF/25V
GND
SDA 4
SCL 4
DQ_B_0
DQ_B_1
DQ_B_2
DQ_B_3
DQ_B_4
DQ_B_5
DQ_B_6
DQ_B_7
DQ_B_8
DQ_B_9
DQ_B_10
DQ_B_11
DQ_B_12
DQ_B_13
DQ_B_14
DQ_B_15
DQ_B_[0..15]
DQ_B_[0..15] 4
DQ_A_0
DQ_A_1
DQ_A_2
DQ_A_3
DQ_A_4
DQ_A_5
DQ_A_6
DQ_A_7
DQ_A_8
DQ_A_9
DQ_A_10
DQ_A_11
DQ_A_12
DQ_A_13
DQ_A_14
DQ_A_15
DQ_A_[0..15]
DQ_A_[0..15] 4
A10
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A[0..10]
A[0..10] 4
DQM 4
MCLK 4
BA 4
RASn 4
CASn 4
WEn 4