18.5. Timer Section (Main P.C.B. (3/3)) Schematic Diagram (T)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
D
G
11
VSS2
DIG S OUT
NC
DIG
S CLK
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
IIC DATA
31
30
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
86
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
85
84
87
1
2
4
3 VSYNC
REMOTE CTL.
FL TXD
FL RXD
FL CLK
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC
XNMI
XMPREQ
XINTM
XINTM OUT
XINTP OUT
125Hz
NET P ON
FAN PWM OUT
AV2 BLANK1
XSH RES
NET HIFRDY
FAN PWM OUT2
IIC CLK
LED1
P50OUT
P50INT
EEPROM W/C
NC
SW2
VSS
NC
VCC
NC
NC
NC
NC
XTMUTE
NC
NC
VSS3
TEST3
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
LP3FSC
LP2FSC
LP4FSC
VDD2
TEST1
M1
SLICEON OUT
UARTP2G
UARTG2P
NET BUS REQ
NET STATUS
TBUS TXD
TBUS RXD
TBUS CLK
EPG ON
NET HIFEBL
HDD PFAIL
P SAVE
DR P ON
JC P ON
DI P ON
FAN LOCK
XCE
V SYNC DET
AV4 SIN
FAN LOCK2
NC
IC7501
C2CBKH000136
(TIMER)
D7509
B0JDCE000002
1
2
4
3
X SW 5.2V
5
4
1
2
3
IC7506
C0EBE0000457
(RESET)
D3.3V
QR7506
UNR521200L
(SWITCHING)
5
4
1
2
3
IC7505
C0EBJ0000336
(RESET)
1
5.2V
2 3
R7651 4700
R7531 100K
X7501
H0D100500018
(10MHz)
X7502
H0A327200108
(32.768KHz)
R7533 0
TL7505
XMPREQ
XINTM
XINTP
R7535 100
R7536 100
R7537 100
R7534 10K
X SW 12.4V
G UARTP2M A
G UARTM2P A
R7561 100
R7562 100
IR7501
B3RAD0000092
R7579
22K
G SBPTM A
G SBMTP A
G SCLK A
R7564 100
R7565 100
R7566 100
R7628 22K
R7652 100
C7546 1
R7649 100
TL7509
LB7509 J0JCC0000060
C7555 0.01
C7554
0.01
R7582 100K
TL7512
C
B
M
M
M
M
M
M
M
M
M
M
M
R7622
15K
R7620 47K
C7539 47P
C7540 0.01
C7541 47P
C7542 0.1
C7543 47P
C7544 0.1
R7559 2K
R7558 2K
R7557 510
R7607 100
R7599
8200
R7598
8200
R7597
8200
C7516
18P
C7517
18P
C7518
22P
C7519
18P
C7524
0.1
R7527 100
R7529 100
R7528 100
R7532 3300
C7523
0.01
C7577
0.1
C7581 0.01
C7592 1
R7648 33
NC
NC
OUT VDD GND
NC
NC
OUT
GND
VDD
C7578
6V47
TW7501
X SW+5.2V
X SW+12.4V
5
4
1
2
3
IC7502
C0EBE0000504
(RESET)
VDD
DS
VOUT
NC
GND
K7503
0
2
1
5
6
7
(EEPROM)
IC7503
C3EBJC000055
8
3
4
VCC
VSS
R7551 100
R7550 22K
R7543 100
R7544 100
C7532
10P
C7531
10P
TL7506
TL7507
R7548 4700
R7549 4700
R7552
100
R7553
100
/WE
SCL
SDA
NC
NC
NC
REMOTE
CONTROL
RECEIVER
R7600
10K
R7601 1K
R7560 4700
R7653 100
C7551
0.1
C7550
6V47
LB7507
J0JGC0000020
C7520 0.1
C7579
6V47
R7623
180
C7584
F4D55473A013
LB7510
J0JGC0000020
(SWITCHING)
QR7507
UNR521000L
R7621
100K
C7585
6V100
R7619
10K
R7608
43
R7655
100
R7606 39
C22
C23
C24
C25
C26
A
X SW 3.3V
M
LB7508
J0JGC0000020
TL7508
C7535 0.1
C7528 0.1
C7529 6V47
G IIC CLK A
M
G IIC DATA A
M
AV
AV
AV2 BLANKING
AV
(SWITCH)
QR7503
UNR521400L
C1
C2
C3
C4
C6
C7
C8
C9
C10
C11
C12
K7512 0
K7504 0
R7577 10K
R7576
1K
R7570 3900
R7563
100
C7534
0.01
C7533
6V47
C2
C3
C4
C9
C10
C11
C41
C42
C43
C44
C45
C16
C17
C18
C19
C20
C21
C31
C32
C8
C1
C12
C33
C36
C37
C38
C39
C40
X SW+5.2V
X SW+5.2V
X SW+12.4V
C7522 100P
R7578 10K
C49
2
3
1
TO P7101
LED P.C.B.
P7507
4
5
6
HDD SEL LED
DVD SEL LED
SD SEL LED
X SW 5.2V
GND
R7631 6800
R7630 6800
R7629 6800
C29
C28
C27
BOOTREQ
M
HDD PFAIL
R7568 100
M
C14
EPG ON
R7567 100
M
C15
EH50EB/EG,EH52EG
EH50EB/EG,EH52EG
2
1
5
6
7
(FAN MOTOR DRIVE)
IC7507
C0ABBA000146
8
3
4
VDD
GND
-
+
+
-
(FAN MOTOR DRIVE)
Q7511
B1ABMD000004
1
2
3
C7588
0.01
R7624 10K
R7627 30K
R7625
10K
R7626 820
C13
GND
FAN LOCK
FANDCOUT
TO FAN MOTOR
P7504
FAN MOTOR
C7587 1
C7590
0.1
FAN GND
M
C15
C13
R7575
100
C14
R7574 22K
C7547 1
C35
C34
R7654 100
EH50EB
C29
C28
C27
C5
L
H
RFC A MUTE H
PFAIL L
SYS PFAIL H
H
H
H
H
L
P50 THROUGH H
FILAMENT ON L
P SAVE H
EPG MUTE L
L
H
L
WIDE H
AV2 PB L
TEST2 H
FL RESET
L
AV3 SIN
L
HDD SEL LED H
SD LED H
DVD SEL
LED H
SD SEL
LED
H
FL CS
L
H
H
H
L
H
C
M:Main Net Section(Page: )
A
AI:A/V I/O Section(Page: )
B
T:Timer Section(Page: )
C
DMR-EH50EB/EG/EP,EH52EG
Timer Section(Main P.C.B.(3/3)) Schematic Diagram(T)
58
Summary of Contents for DMR-EH50EB
Page 2: ...2 ...
Page 3: ...3 ...
Page 39: ...12 3 Checking and Repairing of Main P C B 39 ...
Page 40: ...12 4 Checking and Repairing of DVD RAM Drive 40 ...
Page 41: ...12 5 Checking and Repairing of HDD 41 ...
Page 52: ...20 2 Packing Accessories Section 52 ...
Page 60: ...K7401 D0YBR0000002 CHIP RESISTOR 1 EB 60 ...
Page 66: ...R7304 D0GB101JA002 1 10W 100 1 66 ...
Page 74: ......
Page 75: ......
Page 76: ...1 A B C D 2 3 4 5 Nicam Decoder P C B DMR EH50EB EG EP EH52EG Nicam Decoder P C B VEP07A51A ...