Hitachi ED-X31EP Service Manual page 79

+3.3VPW
1
CH0CK
CH0PE
CH0VB
CH0AH
CH0HS
CH0VS
CH0FL
CH0R2
CH0R3
CH0R4
CH0R5
CH0R6
CH0R7
CH0R8
CH0R9
CH0G2
CH0G3
CH0G4
CH0G5
CH0G6
CH0G7
CH0G8
CH0G9
Q2K1
DTA114YKA
1
3
CH0B2
CH0B3
2
CH0B4
+3.3V
CH0B5
CH0B6
CH0B7
CH0B8
2
1 CH0B9
POWER1
3
D2K1 1
CH1CK
DAN202U
CH1PE
POWER2 1 2
3
D2K2 1 1 2
DAN202U 34 R2K1
5 6 33
7 8
POWER3 1 2 2010
3 1 2
POWER5 1
34 R2K5
D2K3 1 POWER6 1
DAN202U
5 6 33
DATA-A
8
7 2010
CLK-A
2
POWER4 1
3
1
D2K4
DAN202U
5 6
RC_EN56
78 R2K6
POWERF 1
1 2 33
LAMP_POW
3 4 2010
F_SD/HD
R2K2 1 2
RGB_COMP
10k 56 R2K7
MUTE
2010
3 4 33
RGB1/2
7 8
2010
RC_EN38
GND1
KEYI0
R2F8
KEYI1
33
KEYI2
R2E7
LAMP-S
1 100 100 2
NO-COVER
1 2 1005 *R2EA
USB_5V
1 33 33 2 *R2EC
R2EF
WL_DET
10k R2EP 1005 1
SBUSY
1005
1 0 0 2
1005
USB_EN
1005
R2F9
10k
2010
GND1
USB_VCC
R2EL
0 0
1 2
MOUSE
1005
I2A5
R2EK TC7SZ08FU
0 0
1 2
IN_B VCC
1 5
1005
IN_A
2
GND OUT_Y
3 4
GND1
SM0313
I201
DIGITAL INPUT PORT PW190B-10L R2G1
100
1005
1 2
C3 A1 1
C3 IN0CLK IN0CLP A1 E_FILT
1 1 2
D4 D4 IN0PEN IN0CST B2 B2 1 HIGH-P
1
E6
E6 IN0VBI R2G2
1 100
C4 C4 IN0AHS
1
B3 1005
B3 IN0HS
1
A2
A2 IN0VS
1
D5
D5 IN0FLD
1
A9
A9 NC-A9
D10
D10 NC-D10
B9
B9 IN0R2
1 RXD0
A8
A8 IN0R3
1
TXD0
E13 E13 IN0R4
1
C9
C9 IN0R5
1 RXD1
E12 E12 IN0R6
1 TXD1
B8
B8 IN0R7
1
D9 D9 IN0R8
1
A7
A7 IN0R9
1 FAN_FG1
FAN_FG2
C8
C8 NC-C8
B7 B7 NC-B7
I2CDAT
E11
E11 IN0G2
1 I2CCLK
A6 A6 IN0G3
1 DATA2
E10
E10 IN0G4
1 CLK2
D8
D8 IN0G5
1 CS_DR
E9
E9 IN0G6
1 SP_OFF
C7
C7 IN0G7
1 CH1_CUT
E8
E8 IN0G8 R2F4
1 MOUSE
B6 100
B6 IN0G9
1
1005
1 2
LAMP_ON
A5
A5 NC-A5
RESETP
C6 C6 NC-C6
1 2
LCONT_IN KEYO0
B5
B5 IN0B2
1 R2F5
KEYO1
A4 A4 IN0B3
100 LED-LAMP 1
1
D7
D7 IN0B4
1005 LED-TEMP 1
1
A3 A3 IN0B5
1 LED-P-R
D6
D6 IN0B6
1 LED-P-G
B4 B4 IN0B7
1
E7
E7 IN0B8
1
C5 C5 IN0B9
1
FG_SEL1
K3 K3 IN1CLK
1 FG_SEL2
K4
K4 IN1PEN
1 NW_RST_PW
ESBUSY
B1
B1 NC-B1
MSLEEP
C2
C2 NC-C2
GND1 UART_SEL
E5
E5 IN1R2
D3
D3 IN1R3
E4
E4 IN1R4
Used as Port-E OUTTEMP 1
C1
C1 IN1R5
INTEMP
D2 D2 IN1R6
AIRSPD
E3
E3 IN1R7
GSENSOR
D1 D1 IN1R8
E_FILT
E2
E2 IN1R9
F4
F4 NC-F4
F3 F3 NC-F3
E1
E1 IN1G2
F2 F2 IN1G3
*R2L2
F5
F5 IN1G4 1 33 2
G3 G3 IN1G5
1005
Used as Port-F *I2A1
F1
F1 IN1G6
TC7SZ125FU
G2
G2 IN1G7
G5
G5 IN1G8 1 G VCC
G1
G1 IN1G9
ES_RXD 1
2 IN_A
G4
G4 NC-G4
H3
H3 NC-H3 3 GND OUT_Y
H2
H2 IN1B2
5 6
H1 IN1B3
H1
*I2A2
7 8 J4
J4 IN1B4
TC7SZ126FU
2010 34
J3 J3 IN1B5 Used as Port-G
1 2 H4 [Input only]
H4 IN1B6 1 G VCC
J2 J2 IN1B7
H5 RXD 1
H5 IN1B8 2 IN_A
33 33
2
J1 J1 IN1B9
3 GND OUT_Y
*C2A2
0.1/10
1005
2 1
*I2A3
TC7SZ125FU
1 G VCC
TXD0 1
2 IN_A
3 GND OUT_Y
*R2L6
33
1 2
1005
*I2A4
TC7SZ126FU
1 G VCC
2 IN_A
3 GND OUT_Y
*C2A3
0.1/10
2 1
1005
GND1
MAIN BOARD CIRCUIT - SHEET 1 of 12
I201
PERIPHERALS PW190B-10L
D13
D13 NC-D13
E18
E18 NC-E18
D14
D14 NC-D14
NC-A12 A12 A12
C13 E16
C13 NC-C13 NC-E16 E16
E17 E17 NC-E17 NC-B13 B13 B13
+3.3V
A13
A13 NC-A13
1 E19
CHTHR E19 THRWSC
E20
E20 RXD0
B25 B25 TXD0
*R2L7
33 33
*R2L8 1 2
A26
A26 RXD1
33 33
1 2 1005 D22
D22 TXD1
1005
C24
PWRC C24 IRRCVR0
E21
E21 IRRCVR1
D23
D23 IRRCVR2
R2A2 R2M1
33 33
R2A1 1 2 M1 D20 1
M1 PORTA0 TWOWSC0 D20
1 33 33 2
1005 M2 C22 1005
M2 PORTA1 TWOWSD0 C22
1005
N6 N6 PORTA2
R2A3
1 2 N1 C21 1
N1 PORTA3 TWOWSC1 C21 CH2C1
7 8 33
N5 N5 PORTA4 TWOWSD1 D21 D21 1 CH2D1
R2F1 2010
34 N2
N2 PORTA5
100 100
1 2 5 6 R2F2
N3 N3 PORTA6 TWOWSC2 D17 D17 1 CH2C2
1 100 100 2
1005 N4 C18
N4 PORTA7 TWOWSD2 C18
1005
D252
1 2 M3
M3 PORTB0
1SS355 R2F3
56
K2 K2 PORTB1
33
1 2 1 3 4 M4 AB16
M4 PORTB2 USBVDD AB16
2 1 2010 7 8
1 K1 AF19
K1 PORTB3 USBP AF19
L4 AC17 R2H5
L4 PORTB4 USBM AC17
0
D253 1 2
L1 AC18
L1 PORTB5 USBVSS AC18
1SS355 L2 1005
L2 PORTB6
L3
L3 PORTB7
R2H1 2010
E15
10k E15 PORTC0
7 8
B12 B12 PORTC1
5 6 C12 A10
C12 PORTC2 PWM0 A10
34
D12 D12 PORTC3 PWM1 D11 D11
1 2
1 2 E14 B10
CH1C4 E14 PORTC4 PWM2 B10
*R2C1
56 1
CH1C5 A11 A11 PORTC5 PWM3 C10 C10 1 CHPW3
33 3 4 1
B11
B11 PORTC6
2010 7 8
C11 C11 PORTC7
1
CHOTP
D24 D24 ADC0
1
CHOTD
C26
C26 ADC1
1
CHITP
1 D25 D25 ADC2 DAC0 H22 H22
CHASP 1
1 E24 E26 5 6
E24 ADC3 DAC1 E26
1
R2M8 CHAD4 1 2
F23 F25
F23 ADC4 DAC2 F25
4.7k-1% CHAD5 1
1 2 E22 J22 34
E22 ADC5 DAC3 J22
7 8
1005 1 D26
CHAD6 D26 ADC6
1 E25
CHAD7 E25 ADC7
GND1
5
*R2L0
100 100
1 2
4
KIKU1C KIKU1S
1005
Near by E800
1 1
5
KIKU2C KIKU2S
1 1
*R2L3 Near by E802
1 100 100 2
1
4 RXD0
1005
KIKU3C KIKU3S
1 1
Near by EE01
KIKU4C KIKU4S
1 1
Near by S801
*R2L4
5
10k
1 2
1005
*R2L5
100 100
1 2 1
4 ES_TXD
1005
1
UART_SEL
*R2L9
5
10k
1 2
1005
*R2L1
1 100 100 2
1
4 TXD
1005
79
I201
DISPLAY PORT PW190B-10L
R2C4
22
1 2
DCLKOUT C14 C14
1005 1
C16
DVS C16
DHS D15 D15
C15 1
DEN C15 CHDEN
C23
DR0 C23
DR1 A25 A25
B24
DR2 B24
DR3 B23 B23
A23
DR4 A23
A24
DR5 A24
A21
DR6 A21
B21
DR7 B21
A22
DR8 A22
B22
DR9 B22
D19
DG0 D19
33 33
2 R2M2
I2CCLKBF DG1 D18 D18
1 33 33 2
C20
I2CDATBF DG2 C20
1005
DG3 C19 C19
B20
DG4 B20
DG5 A20 A20
B19
DG6 B19
R2M7
DG7 A19 A19
1 33 33 2
B18
RESETF DG8 B18
1005
DG9 A18 A18
DB0 C17 C17
D16
DB1 D16
1 2
B17
USBDP DB2 B17
1 2 A17
USBDM DB3 A17
R2HA
R2HC B16
DB4 B16
0
0 A16
1005 DB5 A16
1005
B15
DB6 B15
A15
DB7 A15
B14
DB8 B14
A14
USB_VCC DB9 A14
PWM_G
1 2
FAN-CNT5 RPIATEST E23 E23
(R/G PANEL FAN)
SYNC_PWM
R2H6
1.0k-1%
1005
GND1
GND1
FAN-CNT1 (EXHAUST FAN)
R2H2
FAN-CNT2 (POWER FAN)
33
FAN-CNT3 (LAMP/PBS FAN)
2010
FAN-CNT4 (B PANEL FAN)
Solder side
RG01
0
1 2
34
5 6
7 8
2010
GND1
NOTE
PARTS MARKED WITH HATCHING
ARE NOT MOUNTED IN THIS MODEL.
R2C5
DCLK
33 33 2 R2C6
DVS
33 33
1005 1 2
DHS
1005
7 8 R2E4
5 6 100
DRE0
34 2010
DRE1
1 1 2 2
DRE2
34 R2C7
DRE3
5 6 100
DRE4
7 8 2010
DRE5
1 2
DRE6
34 R2C8
DRE7
5 6 100
DRE8
7 8
2010
DRE9
DGE2
R2C9
7 8
DGE3
5 6 100
DGE4
34 2010
DGE5
1 2
DGE6
7 8 R2E1
DGE7
5 6 100
DGE8
34 2010
DGE9
1 2
DBE2
R2E2
3 4
DBE3
1 2 100
DBE4
78 2010
DBE5
6
5
DBE6
R2E3
3 4
DBE7
1 2 100
DBE8
78 2010
DBE9
5 6
DGE0
R2E5
7 8
DGE1
5 6 100
DBE0
2010
34
DBE1
1 2