Panasonic DMR-EH50P Service Manual page 58

DMR-EH50 P / DMR-EH50 PC
P:Sub Power Section(Page: A )
M:Main Net Section(Page: B )
V:Video I/O Section(Page: C )
D
A:Audio Main Section(Page: )
T:Timer Section(Page: E )
U:UART/IR Section(Page: F )
CH DOWN
S7507
EVQPC105K
R7600 2700
A23
OPEN/CLOSE SELECT
S7505 S7504
EVQPC105K EVQPC105K
A42
R7601 2700 R7605 2200
A43
R7602 47K R7604 5600
REC
S7501
EVQPC105K
R7553
10K
QR7502
A39 UNR511300L
(FILAMENT L :ON)
A < XSW5.2V >
IP7501
K5H7512A0010
< XSW12V >
B 1 2
L7502
C7547
39u
25V220
R7556
3.3K
R7515
Q7508
10K
A38 2SD0601A0L
(PSAVE H :ON)
R7516
47K
C
D
12 13
1 2 4 5 6 7 8 9 10 11 12
TL7501
CH UP
S7506
EVQPC105K
R7603 5600
STOP
S7503
49
EVQPC105K
50
51
52
53
54
55
PLAY
S7502
56
EVQPC105K
57
58
59
Q7506
2SD132800L 60
(DISPLAY DRIVE)
61
62
63
R7554
C7549 64
10V220
C7544 C7509
50V22 0.1
D7504
B0AAGM000007
D7502 R7557
MAZ4240NMF 47K
C7508
LB7505
0.1
LB7506
R7552
J0JGC0000020
330
9 8 LB7508 D7506
J0JCC0000103 B0AADM000003
1 7
R7555 C7548
33K 0.047
2 6
T7501
G4D1A0000094
(DISPLAY REG.)
3 5
4
LB7507 D7505
J0JCC0000103 B0AADM000003
D7511
B0BA03600021
C7551 R7558
2200P 47
Q7507
2SD1994BR1VT
(SWITCH)
D7507
K7517 0 MAZ4300NLF
DMR-EH50P/PC
Timer Section (Main P.C.B.(5/6)) Schematic Diagram(T)
14 15 16
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
SEG39 SEG12 32
SEG40 SEG13 31
SEG41 SEG14 30
SEG42 SEG15 29
DIG10 SEG16 28
DIG09 SEG17 27
DIG08 SEG18 26
DIG07 SEG19 25
IC7501
C1ZBZ0002791
DIG06 SEG20 24
(DISPLAY DRIVE)
DIG05 SEG21 23
DIG04 SEG22 22
DIG03 SEG23 21
DIG02 SEG24 20
DIG01 SEG25 19
DIG00 VCC2 18
VP SEG26 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R7510
27K
C7507 C7543
C7506
0.1 35V47
100P
A40 A41 A7 A6
C7552 R7559
50V22 47K
A37
R7507
5.6K
TL7503
C7550
LB7501
50V56
0
A35
TL7504
LB7502
0
A36
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
17 18
58
DP7501
A2BD00000099
TIMER DISPLAY
34 35 36 37 38 39 40 41 42 43 44 46 47
TL7512
TL7509
A9
A10
K7513
0
TL7517 TL7516
A14
A15
K7514
0
A16
A17
A18
R7581 3900
A19
R7618 100
A20
R7619 100
A21
R7582 100
A22
TL7518
A34
A23
R7621
10
R7505 C7504
15K 0.1
Q7504
2SD1819A0L
R7506 (BUFFER)
C7505 C7503
1.5K
0.1 0.1 R7503
1K
K7502
0
R7508 0 C7502 4.7
Q7503
R7504
2SB0709A0L
10K
(BUFFER)
DMR-EH50P/PC
Timer Section (Main P.C.B.(5/6))
Schematic Diagram(T)
19 20 21
E
L123 SWIDE V
RST UART U
SW UART U
XTMUTE A
IR CS U
IR BUSY U
P SAVE L P
DR P ON H P
JC P ON H P
P OFF L P A
SYNC DET V
POWER
S7001
EVQPC105K
P7505 P7001
3 KEYIN3 3
2 GND 2
1 GND 1
FRONT(L) P.C.B.
FAN GND P
DDGND P
GND P
UNREG 38V M
TUNER 5V P
SYNC IN V
22