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18.5. Timer Section (Main P.C.B. (3/3)) Schematic Diagram (T)
D7509
B0JDCE000002
M X SW 5.2V 3 4
C7585 2 1
6V100
TW7501
TO P7101 5.2V
LED P.C.B. 5 4 5 4
G P7507
1
NC NC
IC7505
NC NC
IC7506
R7629 6800
HDD SEL LED H 2
R7630 6800
C29 C0EBJ0000336 C0EBE0000457
DVD SEL LED H 3 C28 (RESET) (RESET)
R7631 6800
SD SEL LED H 4 C27 OUT VDD GND OUT VDD GND
X SW 5.2V 5 1 2 3 1 2 3
GND 6 QR7507
UNR521000L
(SWITCHING)
C7581 0.01
C7577
0.1
R7619
10K
C1
R7620 47K
M D3.3V
IR7501
B3RAD0000092 R7622
R7561 100 15K
F M
M
G UARTP2M A
G UARTM2P A
C2
C3
REMOTE
CONTROL
RECEIVER
R7562 100 QR7506
1 2 3 UNR521200L
(SWITCHING)
C7528 0.1 R7648 33 116 11
M BOOTREQ C4
C7529 6V47 C7592 1
R7579
22K LB7508 C7522 100P
J0JGC0000020
M X SW 3.3V 1 DIG
S CLK
R7527 100
DIG S OUT
2 REMOTE CTL.
R7578 10K C5 3 VSYNC
R7528 100
R7564 100 C6 4 FL TXD
M G SBPTM A C9 R7532 3300
R7565 100
E M
M
G SBMTP A
G SCLK A
R7566 100
C10
C11
R7529 100
5 FL RXD
C7 6 FL CLK
C7523 7 BYTE
0.01 X7502 R7651 4700
H0A327200108 8 CNVSS
(32.768KHz)
C8 9 XCIN
R7531 100K
R7568 100
X7501 10 XCOUT
M HDD PFAIL L C14
H0D100500018 11 RESET L
(10MHz) R7533 0
12 XOUT
M EPG ON H C15
R7567 100 13 VSS
EH50EB/EG,EH52EG 14 XIN
15 VCC
C7516 C7517 C7518 C7519 R7534 10K
D 18P 18P 22P 18P 16 XNMI
17 XMPREQ
R7535 100
M XMPREQ 18 XINTM
R7536 100
M XINTM 19 XINTM OUT
R7537 100
M XINTP 20 XINTP OUT
R7550 22K
21 125Hz
AV M G IIC CLK A TL7505
22 NET P ON H
AV M G IIC DATA A
R7551 100 23 FAN PWM OUT
R7552
R7553
C12
100
100
24 AV2 BLANK1
R7548 4700
C7535 0.1
TL7508 TL7506 25 XSH RES
R7549 4700
26 NET HIFRDY
C 8 7 6 5 TL7507
VCC
/WE
SCL
SDA
27 FAN PWM OUT2
R7543 100
28 IIC CLK
IC7503 R7544 100
QR7503 C3EBJC000055 29 IIC DATA
AV AV2 BLANKING UNR521400L (EEPROM)
C7531 C7532
(SWITCH)
VSS
10P 10P
NC
NC
NC
VSS2
1 2 3 4 K7512 0 K7503
0
30 31
EH50EB/EG,EH52EG
M X SW 12.4V
C7588
B 0.01
TO FAN MOTOR Q7511 8 7 6 5
R7557 510
B1ABMD000004
R7558 2K
P7504 VDD
FANDCOUT 1 (FAN MOTOR DRIVE)
-
GND 2
+
IC7507
FAN LOCK 3 C13
+ C0ABBA000146
(FAN MOTOR DRIVE)
-
C7540 0.01
C7539 47P
C7541 47P
C7543 47P
C7542 0.1
FAN MOTOR
GND
1 2 3 4 C7587 1
R7627 30K
R7624 10K
X SW+12.4V
M FAN GND C7590 R7626 820 R7625
0.1 10K
A
M:Main Net Section(Page: A )
AI:A/V I/O Section(Page: B )
T:Timer Section(Page: C )
1 2 3 4 5 6
58
C
X SW+5.2V A
C7578 C7579 C7524
TW7501 R7621 R7623 6V47 6V47 0.1
5.2V 100K 180 R7599 R7598 R7597 R7608 R7600
8200 8200 8200 43 10K
C7584
F4D55473A013
R7607 100
C22 5 4
X SW+5.2V
X SW+5.2V
VDD VOUT
C23 IC7502
LB7507
QR7507 J0JGC0000020 C0EBE0000504
UNR521000L C24 (RESET)
(SWITCHING) DS GND NC
C7520 0.1 C25 1 2 3
R7606 39 R7601 1K
C26
C49
C16 C17 C19 C20
C18 C21
R7655
100
C27
C7555 0.01
116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88
TEST3
VSS3
CVIN1
VDD3
VSS1
SVREF
SYNCIN
START
DIG S IN
AVCC
VREF
KEYIN3
AVSS
KEYIN2
KEYIN1
AV2-8
AFC
DC R CH
DC L CH
DIG S CS
LED9
LED8
LED7
LED6
SD SEL
AV3 SIN L
FL CS L
FL RESET L
LED H
C7554
0.01
1 DIG
S CLK
DVD SEL 87
LED H C28
DIG S OUT
2 REMOTE CTL. HDD SEL LED H 86 C29
3 VSYNC SD LED H 85
4 FL TXD LED1 84
5 FL RXD P50OUT 83 C31
6 FL CLK P50INT 82 C32
7 BYTE SYS PFAIL H 81 C8
8 CNVSS PFAIL L 80 C1
9 XCIN FILAMENT ON L 79
10 XCOUT P SAVE H 78 C33
11 RESET L EEPROM W/C 77 C12
12 XOUT NC 76 EH50EB
R7654 100
13 VSS RFC A MUTE H 75 C34
14 XIN P50 THROUGH H 74 C35
R7653 100
15 VCC IC7501 SW2 73 C36
16 XNMI C2CBKH000136 TEST2 H 72
(TIMER) R7582 100K TL7512
17 XMPREQ VSS 71
18 XINTM NC 70
19 XINTM OUT VCC 69
20 XINTP OUT NC 68 C7551 C7550
J0JGC0000020
0.1 6V47
21 125Hz NC 67
22 NET P ON H NC 66
LB7510
23 FAN PWM OUT NC 65
24 AV2 BLANK1 EPG MUTE L 64 C37
25 XSH RES XTMUTE 63 C38
26 NET HIFRDY NC 62
27 FAN PWM OUT2 NC 61
28 IIC CLK AV2 PB L 60 C39
SLICEON OUT
NET BUS REQ