Analog Timer Block Diagram - Panasonic DMR-EH55EC Service Manual

12.4. Analog Timer Block Diagram

IR7501
REMOTE CONTROL
RECEIVER
VDD GND CTL.
3 2 1
IC7505
(RESET)
X SW+5.2V 2 VDD OUT 1
S7501 S7504
EXT LINK OPEN/CLOSE
S7506 S7508 S7502
STOP REC CH-DOWN
S7505 S7507 S7503
SELECT PLAY CH-UP
S7002
POWER
P7001 P7506
4
FRONT(L) P.C.B.
IC7501
(TIMER)
MAIN P.C.B.
IR
3 REMOTE CTL.
74 SYS PFAIL H
73 PFAIL L
KEY IN1
86 KEY IN1
KEY IN2
87 KEY IN2
KEY IN3
88 KEY IN3
DR POWER ON
10 XCIN
X7502
32.768KHz
11 XCOUT
13
XOUT
X7501
10MHz
15 XIN
47
IP7501
P SAVE H
POWER SAVE H 61 (IC PROTECTOR)
QR7508
X SW+12.4V 1
( :ON)
H
Q7510
( L :OFF)
IC7502
(RESET)
RESET L 12 4 VDD 5 X SW+5.2V
FL TXD 5
FL RXD 6
FL CLK 7
FL RESET L 51
FL CS 45
IC7301
(NICAM/A2)
IIC CLK
IIC CLK 29 29 SCL
IIC DATA
IIC DATA 30 30 SDA
TU7801
U/V TUNER
PP7401 PS7801
12 SDA
7
PP7401 PS7801
11 SCL
8
XT MUTE
XTMUTE 65
QR4003- B
Q7503
SLICER VIDEO
SYNC IN 98 BUFFER
IC3001-
Q7501
CVIN1 89 BUFFER
DR P ON H
H 42
QR1501- B
P OFF L
DI POWER ON H 44
IC1506- 1
TU P ON H
TU POWER ON H 43
IC1510- 2
G SCLK A SCLK
TBUS CLK 37
P7402- 3
G SBPTM A SBPTM
TBUS TXD 35
P7402- 7
G SBMTP A SBMTP
TBUS RXD 36
P7402-
IC7507 X SW+12.4V
(FAN MOTOR DRIVE)
FAN PWM OUT 22 3
+
Q7511
1
(FAN MOTOR DRIVE)
-
2
P1501 P1102 P1103
23 23 1
P1501 P1102 P1103
FAN LOCK H 39
23 23 3
DMR-EH55EC / DMR-EH55EP / DMR-EH56EG
T7501
DISPLAY HEATER
POWER SWITCHING
TRANSFORMER
D7506
HEATER+ +38V UNREG.+38V PP7401
9 7
3
+B
2 1
GND
3 6
D7505
-33V
8 5
HEATER-
DP7501
45 F+
1 F-
IC7504
(DISPLAY DRIVE)
7 VCC VP 15
12 41
FL29 P1
FL28 13 42 P2
10 S DATA
FL25 17 37 P3
9 SCK
FL24 18 36 P4
FL22 20 34 P5
FL21 21 33 P6
FL20 22 32 P7
FL18 24 30 P8
8 RESET
FL17 25 29 P9
3 CS
FL15 27 27
P10
FL14 28 26 P11
5 VSS
FL11 31 23 P12
FL04 38 13 P13
FL03 39 11 P14
FL01 1 9 P15
FL00 2 7 P16
FL16 26 28 2G
FL13 29 25 3G
FL10 32 22 4G
FL06 36 18 5G
FL05 37 15 6G
FL02 40 10 7G
TO/FROM
ANALOG A/V SECTION
85
TO
POWER SUPPLY SECTION
TO/FROM
DIGITAL P.C.B.
9
FAN MOTOR
M
DMR-EH55EC/EP,EH56EG
Timer Block Diagram
TO
PS7801
U/V TUNER
( 16 BTL+30V)
TIMER
DISPLAY