Hitachi CP-X2520 Service Manual page 67

6
+3.3V
5
4
Q2K1
DTA114YKA
POWER1
D2K1
MC2848-T111-1
POWER2
D2K2
MC2848-T111-1
SHEET_4
POWER3
SHEET_4,11 POWER5
D2K3
SHEET_4 POWER6
MC2848-T111-1
DATA-A
SHEET_11
CLK-A
3 POWER4
D2K4
GND1 GND1
MC2848-T111-1
SUB-CLK
SHEET_13
R2K6
SUB-DATA
33
SHEET_4
LAMP_POW
SHEET_11 LACH-A
R2K2
SHEET_4 LAMP-S
10k R2K7
33
STBY_CTL1_SUB
SHEET_13
STBY_CTL2_SUB
GND1
0.1/10
GND1
R2F8
KEYI-INP
33
Q2K4 R2H5
KEYI-UP
2SA1774EBTL
10k 10k
KEYI-DWN
SHEET_3
KEYI-LFT
R2G7
KEYI-RGT
33
KEYI-BLK
Q2K5 R2H6
2
2SA1774EBTL 10k 10k
GND1
R2H7
SHEET_3,12 0 0
KEYI-POW
R2H8
0 0
NO-COVER
SHEET_4,12
1
A B
CP-X2520 ( M2-25ED ) / CP-X3020 ( M2-30ED )
I222
TC7SZ14FU
1 NC VCC
R2M5
0 0
PWRC
2 IN_A
SHEET_4,10,12
GND OUT_Y
3
I201
PW190
DIGITAL INPUT PORT
C2C4
GND1
C3 IN0CLK IN0CLP A1 0.1/10
D4 IN0PEN IN0CST B2
E6 IN0VBI
R2T3
C4 IN0AHS
B3 IN0HS
0
A2 IN0VS
PWRC-B
D5 IN0FLD
SHEET_10
A9 NC-A9
D10 NC-D10
B9 IN0R2
A8 IN0R3
E13 IN0R4
C9 IN0R5
E12 IN0R6
B8 IN0R7
D9 IN0R8
A7 IN0R9
R2T5
FAN_FG2
SHEET_4
C8 NC-C8
10k
B7 NC-B7
I2CDAT
E11 IN0G2 SHEET_2,10
I2CCLK
A6 IN0G3
SHEET_5 RESETX
E10 IN0G4
RESETSH
D8 IN0G5 SHEET_6,7,8
VDDMNT
E9 IN0G6
CH2_CUT
C7 IN0G7
SHEET_11
CH1_CUT
E8 IN0G8
SHEET_12 PWSVREQ
B6 IN0G9
SHEET_2 LCONT_IN
SHEET_2,4 LAMP_ON
A5 NC-A5
SHEET_5 RESETP
C6 NC-C6
SHEET_11 SP_OFF
B5 IN0B2
SHEET_3 POWER_SAVE
A4 IN0B3
LED-LAMP
D7 IN0B4
LED-TEMP
A3 IN0B5 SHEET_3
LED-P-G
D6 IN0B6
LED-P-R
B4 IN0B7
E7 IN0B8
FG_SEL0
C5 IN0B9
SHEET_4 FG_SEL1
FG_SEL2
K3 IN1CLK
FG_SEL3
K4 IN1PEN
Used as PortD[4]
FG_SEL4
B1 NC-B1
SHEET_5 POWER_TG
C2 NC-C2
SHEET_11 MUTE
IN1R2
E5
R2K1
D3 IN1R3
33 F-TEMP1
E4 IN1R4
Used as Port-E
F-TEMP2
C1 IN1R5
B-TEMP1
SHEET_3
D2 IN1R6
R2K5 B-TEMP2
E3 IN1R7
33 ADC-ADJ
D1 IN1R8
GSENSOR
E2 IN1R9
F4 NC-F4
F3 NC-F3
E1 IN1G2
F2 IN1G3
F5 IN1G4
G3 IN1G5
Used as Port-F
F1 IN1G6
G2 IN1G7
G5 IN1G8
G1 IN1G9
C2A6 G4 NC-G4
Port-D to Port-G have
H3 NC-H3
pull-downs internal.
H2 IN1B2
IN1B3
H1
J4 IN1B4
J3 IN1B5 Used as Port-G
H4 IN1B6
J2 IN1B7
H5 IN1B8
J1 IN1B9
C
I221
TC7SZ14FU
5 1 NC VCC 5
2 IN_A
GND OUT_Y
4 3 4
I201
PERIPHERALS PW190
C2C3
0.1/10
GND1 D13 NC-D13
E18 NC-E18
D14 NC-D14
A12
NC-A12
C13 NC-C13 NC-E16 E16
E17 NC-E17 NC-B13 B13
SHEET_12
RMT A13 NC-A13
10k
*R2R1
*Q2R1
E19 THRWSC
2SC4617EBTL
E20 RXD0
RXDs & TXDs have
MOUSE B25 TXD0
pull-ups internal.
R2L7
SHEET_12
33 33
R2L8
RXD_CTI2 A26 RXD1
33 33
TXD_CTI2 D22 TXD1
SHEET_4 FAN_FG2-B
C24 IRRCVR0
E21 IRRCVR1
R2T1
D23 IRRCVR2
Port-A and Port-C have
0 C2A4 pull-ups internal.
470p
R2A2
GND1 M1 PORTA0 TWOWSC0 D20
R2A1
33
M2 PORTA1 TWOWSD0 C22
33
N6 PORTA2
R2A3
N1 PORTA3 TWOWSC1 C21
33
N5 PORTA4 TWOWSD1 D21
*R2U3
N2 PORTA5
33 33
N3 PORTA6 TWOWSC2 D17
*R2F2
MOUSE
N4 PORTA7 TWOWSD2 C18
R2F5 100
R2F4 0 R2F3
M3 PORTB0 Port-B have
0 R2F7 33 pull-downs internal.
K2 PORTB1
33 *R2G5
M4 PORTB2 USBVDD AB16
R2EE
33
K1 PORTB3 USBP AF19
33
L4 PORTB4 AC17
USBM
L1 PORTB5 USBVSS AC18
L2 PORTB6
L3 PORTB7
R2C3
E15 PORTC0
R2G8 1.0k
B12 PORTC1
R2A8 1.0k *R2H1
C12 PORTC2 PWM0 A10
R2H9
1.0k R2E8 10k-1%
D12 PORTC3 PWM1 D11
R2E9 1.0k 1.0k-1% R2H3
E14 PORTC4 PWM2 B10
1.0k R2H4
10k-1%
A11 PORTC5 PWM3 C10
R2G4 10k-1%
B11 PORTC6
*R2G6
33
C11 PORTC7
33
D24 ADC0
C26
ADC1
D25 ADC2 DAC0 H22
R2H2
E24 ADC3 DAC1 E26
33
F23 ADC4 DAC2 F25
E22 ADC5 DAC3 J22
D26 ADC6
E25 ADC7
GND1
GND1
G1
G2
G3
G4
N201
GND1
IC_SHIELD_PW
D E
I201
DISPLAY PORT
PW190
R2C4
22
R2C5
C14
DCLKOUT
33 33
R2C6
DVS C16
33 33
DHS D15
DEN C15
100
DR0 C23
100
DR1 A25
DR2 B24
DR3 B23
DR4 A23
DR5 A24
DR6 A21
DR7 B21
+3.3VP
DR8 A22
DR9 B22
DG0 D19
DG1 D18
DG2 C20
R2M3
DG3 C19
33 33 R2M4
I2CCLKP DG4 B20
33 33
SHEET_5,6,7,8
I2CDATP DG5 A20
DG6 B19
DG7 A19
DG8 B18
DG9 A18
DB0 C17
DB1 D16
DB2 B17
A17
DB3
DB4 B16
DB5 A16
DB6 B15
DB7 A15
DB8 B14
DB9 A14
PWM_G SHEET_3
FAN-CNT5 RPIATEST E23
(POWER FAN) SHEET_4
PWM_F1 SHEET_3
PWM_F2
SHEET_3
GND1
GND1
FAN-CNT1 (EXHAUST FAN)
SHEET_4
FAN-CNT2 (LAMP FAN)
FAN-CNT3 (B FAN) FAN SPEED CONTROL
FAN-CNT4 (R/G FAN)
PWB assembly MAIN 1
F
6
5
DCLK
DVS
DHS
R2E4
DRE0
R2E7
DRE1
DRE2
R2C7
DRE3
100
DRE4
DRE5
DRE6
R2C8
DRE7
100
DRE8
DRE9
DGE2
R2C9
DGE3
100
DGE4
DGE5
SHEET_5
DGE6
R2E1
DGE7
4
100
DGE8
DGE9
DBE2
R2E2
DBE3
100
DBE4
DBE5
DBE6
R2E3
DBE7
100
DBE8
DBE9
DGE0
R2E5
DGE1
100
DBE0
DBE1
3
2
1
G