Hitachi ED-X31EP Service Manual page 82

POWER5
(DRIVE_15.5V)
+17V
FAN+15V
E800
PHD-18H-D
+15V
2 1
FAN GND 4 3
+17V
6 5
GND
8 7
10 9
+6.0V
12 11
14 13
+12.0V 16 15
18 17
L804
SGM20C1E222-4A
1 3
A_VCC
2
2125
A_GND
POWER1
(POWER_SUPPLY ACTIVE)
LAMP-S
JUMPER R
E806
(BALLAST)
SH-05H
L806
1 1
VLD.c
1608
L807 600
2 1 2
VLD.e
1608
L808
3 1
CMN
1608
L809 600
4 1 2
ACT
1608
L810
5 1
DIM
1608
G1
G2
LAMP_ON
LAMP_POW
S801
ESE11MH2T
LAMP_COVER_SW
R808
100
1005
2 1
NO-COVER
POWER2
(POWER/EXHAUST FAN)
1
3
Q852
DTA114YKA 2
2
R892
10k
1005
POWERF
E_FILT
RESETF
HIGH-P
1 2
R8H9
E8F1 APFF1
100
ZH-04H
1005
L8F1 600
1 1 2
2125
2 1 2
L8F2
L8F3 600
3 1 2 600
APFF2 2125
1608
L8F4 600
4 1 2
APFF3
1608
G1
APFF4
G2
Q8F8
RT1N141U
SM0313
I801
SI-3010KM
15.5V-Panel
I802
MM1663DHBE
1 2 3 4 5
3.3V-CPU
R811
4.7k
2 1
1005
L801
SGM20C1E222-4A
2125
1 3
2
L802
SGM20C1E222-4A
1 3
2
2125
L803
SGM20F1C104-4A
1 3
2
2125
1 2
R802
GND1
0
1005
2 1 2
1
L805 R801
600 3.9k
1608 1005
Q801
R851
DTA114YKA
22k
1 2
Q851 1005
2SD1760
Q802 C86C
RT1N141U 2 0.1/16 R856
1 2 100
3 1005
1 R854
470
1 2
GND1 1005
C860
1 2 1
0.22/10
R803
R8A1 10k
600 0
1005
2 1 2 1 2
1005
R8C1 1 2 R8A2
600
0
2 R8A3 0 1 2
1.0k
1005
1005
1005
1 2
R8C2
600 0
2 R8C3 1 2
1 0 2
1005
1005
R805
R8A4
1.2k-1% Q805
1.0k 1005 DTA114YKA
Q806
1005
1 2 DTA114YKA 2 1
2
2 1 1
R806
3
1.2k-1%
1005
2
1
Q803
3
RT1N141U
1
Q804 1
RT1N141U
GND1
R807
3.3k
1005
Q8F1
DTA114YKA
2 1
2 1
R893
10k
1005
R8F7 R8F6
0
0
Q8F2 2125 2125
1
2
2SC4617
1 2
3 2 1
1 R8G4 1
100
R8F5
1005 1 2
D8F1
R8H4 1.0k
100
1 2 1SS355 1005
1 2 3
Q8F5
1005 1 2
2SC4617 2 R8G1
1 2 3 100 Q8F4
2SC4617
1005
R8H5 1 2 D8F2 1
1SS355
100
1005
R8H6
1.0k
1005 C8F8
1 2 1 2
R8G5
10/6.3 10k
R8H7
1 2125 2
2
Q8F0 2 1005 1
1.2k-1% 3 2
1005 3 PS2501AL-1-E3
1
1 1 4
1 4
GND1
R8H8 2 3
1 2 2 3
1.2k-1%
1 2
1005
L8F5
600
1608
MAIN BOARD CIRCUIT - SHEET 4 of 12
C826
R822 R823
1000p 1
2 1 10k-1% 1 2 10k-1% 2
1005
1005 1005
1 2
C825
0.01/16
1005
R821
22k
1005
1 2
5V
1.8V-CPU
I804
MP2361DK
GND1
Fixed 1.4MHz SW Freq.
L811
4.7 4.7
1 2
C6-K3LA
C823
1 2
0.01/16
1005
I811
TC7SZ125FU
1 G VCC 5
R831
100
1 2
IN_A
2 LAMP/PBS
1005
R835
1
3 GND OUT_Y 4
100
R832 1005
100
1 2
I812
1005
TC7SZ126FU
1 G VCC 5
R833
1 100 2
2 IN_A R/G_PANEL
R836
1005
100
1
3 GND OUT_Y 4
1005
GND1
I822
SI-3010KM R834
100
1 2
1005
(RG_PANEL FAN)
1 2 3 4 5
2
R857
12k I823
1005
SI-3010KM
(B_PANEL FAN)
1 2 3 4 5
R862
1.0k
1 1005 2
R863 10k
D851
2 1005 1
1SS355
R858 1 2
1.0k
2 1
1005 D852
2
1SS355
1 2
R867
R859
30k-1%
15k-1% 1005
2
1005
I825
SI-3010KM
I8F1 I826
SI-3010KM SI-3010KM
(EXHAUST FAN)
1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
2
C8F3 C876
2
100/16 100/16
1 MVK/SKV MVK/SKV
82
L812
SGM20F1C104-4A
1 3
2
2125
--> MM1701AHBE
I805 I806
MM1663DHBE MM1701CHBE
3.3-DRIVE 1.0V-TG
SEL-1 SEL-2 FAN_FG1
0 * LAMP_PBS(I824)
1 * RG_PANEL(I822)
SEL-1 SEL-2
FAN_FG2
POWER(I828)
0 1
1 B_PANEL(I823)
1
0 EXHAUST(I826)
*
I813
TC7SZ125FU
I815
1 G VCC 5
TC7SZ126FU
IN_A POWER G VCC
2 1 5
R837
100
2 1 2 POWER
3 GND OUT_Y 4 2 IN_A
/B_PANEL R841
1005
1 100 2
3 GND OUT_Y 4
1005
I814
TC7SZ126FU
I816
1 G VCC 5
TC7SZ125FU
2 IN_A B_PANEL 1 G VCC 5
R838 R840
100 100
2 1 2 1 2
3 GND OUT_Y 4 2 IN_A EXHAUST JUMPER R
R842
1005 1005
1 100 2 L821
3 GND OUT_Y 4
600
1005
1608
1 2
L822 3216
1 2
BLM31PG601SN1L
1 2
L823
BLM31PG601SN1L
3216
JUMPER R
L824
600
1608
1 2
I824 I829
SI-3010KM SI-3010KM
L825 600
1 2
2125
(LAMP/PBS FAN)
1 2
L826
600
2125
1 2 3 4 5 1 2 3 4 5
L827
600
1608
1 2
L828 600
1 2
2125
1 2
L829
600
2125
JUMPER R
C883
100/16
MVK/SKV
L833
600
R872 1608
1 2 1 2
68k-1% 1005
L834 600
2
1
2125
1 2
I827 I828 L835
SI-3010KM SI-3010KM 600
2125
JUMPER R
(POWER FAN)
1 2 3 4 5 1 2 3 4 5 L830
600
1608
1 2
L831 600
1 2
2125
1 2
L832
C881
600
100/16
2125
MVK/SKV
JUMPER R
NOTE
PARTS MARKED WITH HATCHING
ARE NOT MOUNTED IN THIS MODEL.
FAN-CNT5
(RG_PANEL FAN)
POWER4
(PANEL FAN)
FAN-CNT4
(B_PANEL FAN)
FG_SEL1
FAN_FG1
FG_SEL2
FAN_FG2
E801 (RG_PANEL FAN)
ZH-04H
1
FAN1S
2 VCC
3
GND
4
NC
G1
G2
E802 (B_PANEL FAN)
ZH-03H
1
FAN2S
2 VCC
3
GND
G1
G2
E803 (LAMP/PBS FAN)
ZH-05H
1
FAN3S
2
VCC
3
GND
4
5
G1
G2
E805 (EXHAUST FAN)
ZH-04H
1
FAN5S
2
VCC
3
GND
4
G1
G2
E804 (POWER FAN)
ZH-04H
1
FAN4S
2
VCC
3
GND
4
G1
G2
FAN-CNT3
(LAMP/PBS FAN)
FAN-CNT2
(POWER FAN)