Panasonic DMR-EH55EE, Service Manual

Page: 47 / 91

12.4. Analog Timer Block Diagram
(FAN MOTOR DRIVE)
IC7507
1
2
3
-
+
X SW+12.4V
23
P1501
23
P1501
23
P1102
23
P1102
3
P1103
1
P1103
FAN MOTOR
M
(FAN MOTOR DRIVE)
Q7511
FANDCOUT
H
H
H
H
H
L
L
H
L
L
H
H
H
L
D7505
VP 15
-33V
5
1
IC1506-
MAIN P.C.B.
P SAVE
G SBMTP A
G SBPTM A
G SCLK A
9
P7402-
SBMTP
TBUS RXD
TBUS TXD
TU P ON
2 IC1510-
B QR1501-
DR P ON
XTMUTE
VSS 5
D7506
UNREG.+38V
POWER SAVE 61
( :ON)
QR7508
( :OFF)
Q7510
X SW+12.4V
(IC PROTECTOR)
IP7501
2 1
VDD
VCC 7
FL CS 45 CS 3
16
( BTL+30V)
U/V TUNER
TO
3
PS7801 PP7401
T7501
TRANSFORMER
POWER SWITCHING
DISPLAY HEATER
6
7
GND
+38V
HEATER-
+B
8
3
1
9
FRONT(L) P.C.B.
4
P7506 P7001
S7002
POWER
PLAY
73
86
87
88
PFAIL 1 VDD
IC7505
OUT X SW+5.2V 2
(RESET)
SYS PFAIL 74
CTL. GND VDD
7
3
X SW+5.2V
IC7502
(RESET)
4 5 RESET 12
KEY IN3
KEY IN2
KEY IN1
FL TXD 5
DISPLAY
TIMER
DP7501
F-
F+
1
45
FL RESET 51 RESET 8
B
DIGITAL P.C.B.
TO/FROM
11 SCL
36
FAN PWM OUT 22
FAN LOCK H 39
TBUS CLK
35
37
P7402-
SCLK
P7402-
SBPTM
DR POWER ON 42
KEY IN1
S7504
(EE)
OPEN/CLOSE
IR
QR4003-
XT MUTE
85 IC3001-
SLICER VIDEO
KEY IN3
KEY IN2
Q7501
Q7503
12
PP7401 PS7801
PS7801 PP7401
8
7
30
29
30
29
IIC DATA
IIC CLK
DMR- EH55EE/GC/GCS/GN
Timer Block Diagram
POWER SUPPLY SECTION
TO
TU POWER ON
DI POWER ON
43
44
P OFF
U/V TUNER
TU7801
SDA
XIN
XOUT
15
13
10MHz
X7501
XCOUT
XCIN
11
10
32.768KHz
X7502
(NICAM/A2)
IC7301
SDA
SCL
IIC DATA
IIC CLK
BUFFER
BUFFER
CVIN1
SYNC IN
IC7504
(DISPLAY DRIVE)
FL CLK
FL RXD
SCK
S DATA 10
9 7
6
S7507
S7506
STOP
S7505
SELECT
S7508
REC
S7501
EXT LINK
IC7501
(TIMER)
IR7501
1 3 2
FL29
REMOTE CTL.
65
98
89
12
FL28 13
FL25 17
FL24 18
FL22 20
FL21 21
FL20 22
FL18 24
FL17 25
FL15 27
FL14 28
FL11 31
FL04 38
FL03 39
FL01 1
FL00 2
FL16 26
FL13 29
FL10 32
FL06 36
FL05 37
FL02 40
P1 41
P2
42
P3 37
P4 36
P5 34
P6 33
P7 32
P8 30
P9 29
P10 27
P11 26
P12
23
P13 13
P14 11
P15 9
P16 7
2G 28
3G 25
4G 22
5G 18
6G 15
7G 10
3
ANALOG A/V SECTION
TO/FROM
S7502
CH-DOWN
S7503
CH-UP
RECEIVER
REMOTE CONTROL
DMR-EH55EE / DMR-EH55GC / DMR-EH55GCS / DMR-EH55GN
47