Hitachi CML176SXW Service Manual page 52

R59
C26
100
DGND
27p
Y1 R62
1M
C29
14.318MHz
27p NC/
C252
3 OSCO
100p
D20 D21
A C A C
5V
1N4148W 1N4148W
D22
A C
VGA_5V
1N4148W
D23
A C
DVI_5V
R67
1N4148W 2k
SCL
3 SCL
SDA
3 SDA
MCU_VCC
C35
0.1u
R236 DGND
U5 4.7K
24LC16B
1 8
A0 VCC
2 7
A1 WP
3 6 R80
A2 SCLK
4 5
GND SDA
R81
R237
DGND
0#
DGND
5V
R183
10K
DETECT PANEL_SEL0
R184 R211
10K 10K
DGND DGND
MCU_VCC VDD
R76 0
R75
R52
0#
1k
+ C25
5V 10u/16V
DGND
C27
R257
4.7k
100u/16V
C30
0.1u
DGND
4 LCD_EN2
3 IN_VSO
RXD
TXD
MCU_VCC
DETECT
3 IRQN
RIGHT
LEFT
R68
2k
R72 10
1 DVI_DET
C33 C34 DGND
R74 10 100p 100p
DGND
U15
1
NC
2
NC
WP 3
NC
10 SCL 4
GND
SDA
10
24LC21#
DGND
U16
1
NC
2
NC
3
NC
4
GND
24LC21#
DGND
U17
3
VDD
2
RESET#
1 5V 5V
GND
TCM809#
DGND
R55
R56
4.7k
4.7k
R58 100
U4
41 33
PC2 NC2
42 32
PC1* NC1
WP
43 40
PC0* PC3/PWM0
10 39
RSTB PC4/PWM1
44 38
VDD PC5
PANEL_SEL0
12 19
PD6 PE1
22 18
GND PE0
ONOFF
20 37
OSCO PC6
21 36
OSCI PC7
AUTO
11 1
P30/RXD PD0
13 35
P31/TXD PD1
DOWN
16 34
P34/T0 PD2
17 31
P35/T1 PD3
15 30
PB3/ADC3/INTE1 PD4
14 29
PB2/ADC2/INTE0 PD5
UP
24 2
PB1/ADC1 PA0/PWM2
23 25
PB0/ADC0 PB4*/SCL0*
9 26
PA7*/PWM9* PB5*/SDA0*
8 27
PA6*/PWM8* PB6*/SCL1*
7 28
PA5*/PWM7* PB7*/SDA1*
ORANGE
6 3
PA4*/PWM6* PA1/PWM3
GREEN
5 4
PA3/PWM5 PA2/PWM4
NT68F633
DGND
MCU_VCC MCU_VCC MCU_VCC
C214
0.1u#
R21 R22 R232
4.7k 4.7k 4.7k#
8 DGND
VCC
7 R233 47#
VCLK
6
SCL
5 R228 47#
SDA
R229 47#
ZD3 ZD4
ZD5V6 ZD5V6
DGND DGND
MCU_VCC MCU_VCC
C215
0.1u#
R24
R23 4.7k
4.7k
8 DGND
VCC
7
VCLK
R230 47#
6
SCL
5
SDA
R231 47#
ZD5 ZD6
DGND
ZD5V6 ZD5V6
DGND DGND
5V
for AR877/899 : add R19,R20
R19
4.7K
R20 15K
R61
15k C10
C28 1uF
1u
MCU_VCC
DGND DGND
R63
4.7k
R64 100
PD-AUDIO 5,6
+ C182
10u/16V
DGND
LCD_EN 4
MUTE 6
R286 0
EN LVDS
R65 0
FAST_MUTE 3
R1 10k
VGA_DET 1
R66 47
DVI_SCL 1
R69 47
DVI_SDA 1
R70 47
VGA_SCL 1
R71 47
VGA_SDA 1
C253 C256
0.1u 0.1u
ORANGE
GREEN
ONOFF R238
UP R239
DOWN R240
RIGHT R241
LEFT R242
AUTO R243
GVS 1
VGA_SCL 1
VGA_SDA 1
DVI_SCL 1
DVI_SDA 1
VL-750 Sheet 2
AUDIO_VOL5
BL_EN 5
BL_BRIGHT 5
SC_RSTN 3
DGND
C254 C255
0.1u 0.1u
CN3
R287 bead/30Ohm
1
R288 bead/30Ohm
2
3
100
4
100
5
100
6
100
7
100
8
100
9
CON9
C217 C218 C219
DGND
0.1u 0.1u 0.1u
C220 C221
C222
0.1u 0.1u
0.1u
DGND
CN8
6
SDA
5
SCL
4
3
TXD
2
RXD
1
CON6
DGND