Analog Timer Block Diagram - Panasonic DMR-EH50P Service Manual

19.4. Analog Timer Block Diagram

FRONT(L)P.C.B.
S7506 S7507
CH-UP CH-DOWN
S7504 S7503
SELECT STOP
S7501
REC
S7502
PLAY
LED P.C.B.
N SW+5V
HDD SEL
Q7103
(LED DRIVE)
D7103
DVD
Q7102
D7102 (LED DRIVE)
SD SEL
Q7101
(LED DRIVE)
D7101
S7001
P7001 P7505
3
POWER
S7505
IR7501
OPEN/
REMOTE CTL.
CLOSE
SENSOR
3 2 1
X SW+5.2V
IC7502
(RESET)
X SW+5.2V 2 VDD OUT 1
X7502
10MHz
(MAIN CLK)
X7501
32.768KHz
(REAL TIME CLK)
P7101 P7506
2
P7101 P7506
3
P7101 P7506
4
D7509
X SW+5.2V
D7508
B7501
BACK UP
BATTERY
IC7505 IC7501
(TIMER) (DISPLAY DRIVE)
FL RESET 93 1 RESET
FL CS 94 2 CS
FL CLK 6 3 SCK
FL TXD 4 4 SDATA
FL RXD 5
64 VP
104 KEY IN3
FILAMENT ON L 79
102 KEY IN2
101 KEY IN1
IC7504
(FAN MOTOR DRIVE)
FAN1 PWM OUT 23 3 A+IN A OUT
2 REMOCON
FAN1 LOCK H 52
80 P FAIL L
P SAVE H 78
14
X IN
12 X OUT
DI P ON H 51
9 XC IN DR P ON H 49
JC P ON H 50
10 XC OUT
HDD PFAIL L 47
SYS PFAIL 81
H
86
HDD SEL LED
87 DVD SEL LED
XT MUTE 63
88 SD SEL LED SYNC IN 109
CV IN 113
69 VCC
L1 SWIDE 99
47
DIG00 63
DIG07 56
DP7501 T7501
SEG00 44
F+
1 9
DIG00-DIG07 TIMER DISPLAY
SEG25 19
SEG00-SEG39 DISPLAY F- REGULATOR
47 8
SEG26 17
SEG35 45
5
SEG39 49
XSW+5.2V
QR7502
Q7506
FIP
CONTROL
X SW+12V
IP7501
IC
1 2
PROTECTOR
Q7509
1
(FAN MOTOR SWITCH)
FAN MOTOR
FANPWM P7504
M
1
P7504
3
Q7508
Q7507
P SAVE
CONTROL
POWER ON H
DR P ON H
TO
POWER
BLOCK SECTION
JC P ON H
IC7503
HDD PFAIL L
(SYS PFAIL CTL.)
1 OUT VDD 2
QR7503
(SYS PFAIL H OUT)
TO AUDIO
XT MUTE
BLOCK SECTION
SYNC IN
FROM VIDEO
BLOCK SECTION
L123 SWIDE
DMR-EH50P/PC
Analog Timer Block Diagram
DMR-EH50 P / DMR-EH50 PC
3
1
D+3.3V