Panasonic DMR-EH55P9, Service Manual

Page: 51 / 97

12.4. Analog Timer Block Diagram
H
H
L
L
H
H
H
L
L
H
H
H
L
Q7503
Q7502
CONTROL
P SAVE
75 P SAVE
3
HDD PFAIL
POWER
S7002
P7505
4
P7001
DMR-EH55P9/PC9
Analog Timer Block Diagram
D7510
D7509
BLOCK SECTION
TO AUDIO
(RESET)
IC7514
X SW+5.2V 1 2 VDD OUT P FAIL 29
QR7501 3
90
FILAMENT ON
VPP
FAN LOCK
JC P ON
L123 SWIDE
SYNC DET
VDD
2 1
1
8
9
T7501
REGULATOR
DISPLAY
IP7501
PROTECTOR
IC
Q7501
DRIVE
DISPLAY
XSW+5.2V
-
SEG1
-
64
49
SEG16
48
42
-
DIG7
-
DIG1
P SAVE
XC OUT
XC IN
14
13
(REAL TIME CLK)
32.768KHz
X7502
BATTERY
BACK UP
B7501
9
HDMI IN
X SW+5.2V
PLAY
S7502
SELECT
S7507
CH-UP
S7504
IC7501
(TIMER/DISPLAY DRIVE)
FRONT(L)P.C.B.
P7502
7
P56101
HDMI P.C.B.
X SW+5.2V
IR7501
1 3 2
L1 SWIDE
SYNC DET
XT MUTE
X OUT
X IN
FAN PWM OUT
HDD PFAIL
DR P ON
P ON
KEY IN1
REMOCON
KEY IN2
KEY IN3
19
84
100
10
11
88
94
37
7
71
23
16
25
17
18
3
P1202
1
P1202
DP7501
DISPLAY
TIMER
(MAIN CLK)
10MHz
X7503
FAN MOTOR
M
(FAN MOTOR SWITCH)
Q7509
X SW+12V
POWER OFF
DR P ON
JC P ON
BLOCK SECTION
FROM VIDEO
XT MUTE
BLOCK SECTION
POWER
TO
FANPWM
1 3
IC7504
(FAN MOTOR DRIVE)
A OUT A+IN
SEG1-SEG16
DIG1-DIG7
S7505
CLOSE
OPEN/
SENSOR
REMOTE CTL.
REC
S7501
S7506
CH-DOWN
STOP
S7503
5
F+
F-
1
45
P1201
23
P1501
P1201
21
P1501
28
HDMI-CEC-OUT
P7502
6
P56101
38
DMR-EH55P9 / DMR-EH55PC9
51