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M
X SW 5.2V
TO P7101
LED P.C.B.
G
P7507
1
R7629
6800
HDD SEL LED
H
2
C29
R7630
6800
DVD SEL LED
H
3
C28
R7631
6800
SD SEL LED
H
4
C27
X SW 5.2V
5
GND
6
M
D3.3V
R7561 100
F
M
G UARTP2M A
C2
M
G UARTM2P A
C3
R7562 100
M
BOOTREQ
C4
R7579
LB7508
22K
J0JGC0000020
M
X SW 3.3V
R7578 10K
R7564
100
M
G SBPTM A
C9
R7565
100
E
M
G SBMTP A
C10
R7566
100
M
G SCLK A
C11
R7568 100
M
HDD PFAIL
L
C14
M
EPG ON
H
C15
R7567 100
EH50EB/EG,EH52EG
D
M
XMPREQ
M
XINTM
M
XINTP
AV
M
G IIC CLK A
AV
M
G IIC DATA A
C
QR7503
UNR521400L
AV
AV2 BLANKING
(SWITCH)
EH50EB/EG,EH52EG
M
X SW 12.4V
B
TO FAN MOTOR
P7504
FANDCOUT
1
GND
2
FAN LOCK
3
C13
FAN MOTOR
M
FAN GND
A
A
M:Main Net Section(Page:
)
B
AI:A/V I/O Section(Page:
)
C
T:Timer Section(Page:
)
1
2
D7509
B0JDCE000002
3
4
C7585
2
1
6V100
5
4
5
NC
NC
NC
IC7505
C0EBJ0000336
(RESET)
OUT VDD GND
OUT
VDD
1
2
3
1
2
C7577
0.1
R7619
10K
C1
IR7501
B3RAD0000092
REMOTE
CONTROL
RECEIVER
1
2 3
C7528 0.1
R7648 33
C7529 6V47
C7592 1
R7527 100
C5
C6
R7532 3300
C7
C7523
0.01
X7502
H0A327200108
(32.768KHz)
C8
X7501
H0D100500018
(10MHz)
C7516
C7517
C7518
C7519
R7534 10K
18P
18P
22P
18P
R7535 100
R7536 100
R7537 100
R7550 22K
R7551 100
C12
R7548 4700
TL7508
R7549 4700
8
7
6
5
IC7503
C3EBJC000055
(EEPROM)
C7531
C7532
10P
10P
1
2
3
4
K7512 0
Q7511
8
7
6
5
B1ABMD000004
VDD
(FAN MOTOR DRIVE)
-
IC7507
+
C0ABBA000146
+
(FAN MOTOR DRIVE)
-
GND
1
2
3
4
R7627 30K
R7624 10K
C7590
R7625
R7626 820
0.1
10K
3
4
TW7501
R7621
R7623
5.2V
100K
180
4
NC
C7584
IC7506
F4D55473A013
C0EBE0000457
(RESET)
GND
3
LB7507
QR7507
J0JGC0000020
UNR521000L
(SWITCHING)
C7581 0.01
C7520 0.1
C49
R7620 47K
C16
C17
C18
R7622
15K
QR7506
UNR521200L
(SWITCHING)
116
115
114
113
112
111
110
109
108
C7522 100P
DIG
1
S CLK
2
REMOTE CTL.
3 VSYNC
R7528 100
4
FL TXD
5
FL RXD
R7529 100
6
FL CLK
7
BYTE
R7651 4700
8
CNVSS
9
XCIN
R7531 100K
10
XCOUT
11
RESET
L
R7533 0
12
XOUT
13
VSS
14
XIN
15
VCC
16
XNMI
17
XMPREQ
18
XINTM
19
XINTM OUT
20
XINTP OUT
21
125Hz
TL7505
22
NET P ON
H
23
FAN PWM OUT
24
AV2 BLANK1
TL7506
25
XSH RES
26
NET HIFRDY
TL7507
27
FAN PWM OUT2
R7543 100
28
IIC CLK
R7544 100
29
IIC DATA
K7503
0
30
31
32
33
34
35
36
37
38
C7588
0.01
C7534
0.01
C7533
6V47
C7587 1
X SW+12.4V
C2
5
6
7
C7578
C7579
6V47
6V47
R7599
R7598
R7597
R7608
R7600
8200
8200
8200
43
10K
R7607 100
R7606 39
R7601 1K
C19
C20
C21
R7655
100
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
DVD SEL
87
LED H
HDD SEL LED H
86
SD LED H
85
LED1
84
P50OUT
83
P50INT
82
SYS PFAIL H
81
PFAIL L
80
FILAMENT ON L
79
P SAVE H
78
EEPROM W/C
77
NC
76
RFC A MUTE H
75
P50 THROUGH H
74
IC7501
SW2
73
C2CBKH000136
TEST2 H
72
(TIMER)
VSS
71
NC
70
VCC
69
NC
68
NC
67
NC
66
NC
65
EPG MUTE L
64
XTMUTE
63
NC
62
NC
61
AV2 PB L
60
WIDE H
59
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
R7652 100
R7628
22K
R7576
1K
R7563
100
R7574 22K
C7547 1
LB7509 J0JCC0000060
R7577 10K
C3
C10
C15
C42
C13
C44
C4
C9
C11
C14
C41
C43
C45
DMR-EH50EB/EG/EP,EH52EG
Timer Section(Main P.C.B.(3/3)) Schematic Diagram(T)
8
9
C
X SW+5.2V
A
C7524
0.1
C22
5
4
VDD
VOUT
IC7502
C23
C0EBE0000504
C24
(RESET)
DS
GND
NC
C25
1
2
3
C26
C27
C7555 0.01
C7554
0.01
C28
C29
C31
C32
C8
C1
C33
C12
EH50EB
R7654 100
C34
C35
R7653 100
C36
R7582 100K
TL7512
C7551
C7550
0.1
6V47
C37
C38
C39
C40
K7504 0
X SW+12.4V
B
C
D
10
11
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