Timer (2/4) Section (Main P.c.b. (4/4)) Schematic; Diagram (T) - Panasonic DMR-EH55EC Service Manual

13.13. Timer (2/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T)
1
2
3
4
5
6
7
8
9
IC7505
RESET
IC-DETAIL BLOCK DIAGRAM
2
VDD
10
H I J
6
G
L7501
G0C390JA0055
IP7501
or ELESN390JA
K5H7512A0010
C7569 R7614
ECQB1H392KF3 47
QR7508
UNR521400L
OUT
1
-
+
Vref
GND
3
TO
K L M N O P Q
TIMER SECTION
(4/4)
7
D7510
MA2C165001VT
MAZ4220NLF
T7501
G4D1A0000117
LB7515 D7505
ERJ3GEY0R00V B0AADM000003
LB7516 D7506
ERJ3GEY0R00V B0AADM000003
LB7518
VWJ0795=5
LB7517 D7507
ERJ3GEY0R00V B0JAMD000026
R7618 VWJ0795=5
5VDET
IC7505
C0EBJ0000336
NC
or C0EBJ0000110
(R3111N451A-TL)
OUT VDD GND
C0EBJ0000153
(BD485G)
C7577
R7619
0.1
10K
D7509
B0JDCE000002
4 3
1 2
R7623
180
R7621
100K
C7584
F4D55473A013
R S
8
63
DMR-EH55EC / DMR-EH55EP / DMR-EH56EG
LOCATION MAP
1/4 2/4
3/4 4/4
M:Main Net Section:(Page:
D7504
AV:A/V I/O Section:(Page: B
DE:Nicam Decoder Section:(Page:
T:Timer Section:(Page: D )
R7615
47K
LB7519
R7616
VWJ0795=5
47K
UNREG_38V M
R7617
ERDS2TJ271T
DDGND M
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
X_SW_5R2V M
GND M
DMR-EH55EC/EP,EH56EG
T
TIMER(2/4) Section
(Main P.C.B.(4/4))
Schematic Diagram(T)
9 10
D
A )
)
C
)