Panasonic DMR-EH54DEG, Service Manual

Page: 51 / 90

19.4. TIMER BLOCK DIAGRAM
DMR-EH54DEG
TIMER
BLOCK DIAGRAM
REMOTE CONTROL
RECEIVER
CH-UP
S7503
CH-DOWN
S7502
TO/FROM
ANALOG A/V SECTION
2
44
63
REMOTE CTL.
SEG00
2 3 1
IC7508
(TIMER)
IC7501
REC
S7508
STOP
S7506
S7507
EXT LINK
S7501
5
6
3
4 S DATA
SCK
FL RXD
FL CLK
(DISPLAY DRIVE)
IC7504
109 SYNC IN
CVIN1 113
BUFFER
BUFFER
SCL
SDA
IC7503
IIC CLK
IIC DATA
SCL
SDA
IC3001
(A/V PROCESSOR)
SCL
SDA
IC7301
(NICAM/A2)
X7502
32.768KHz
9
10
XCIN
XCOUT
X7501
10MHz
12
14
XOUT
XIN
MSDA
SDA
TU7801
U/V TUNER
P_OFF_L
51
50
TO
TO
DIGITAL P.C.B.
TUNER P.C.B.
IIC CLK
IIC DATA
28
29
29
30
2
1
PP7801 P7410
3
12
6
5
88
89
Q7503
Q7501
KEY IN2
KEY IN3
(EEPROM)
SLICER VIDEO
IC3001- 85
XT MUTE
QR4060
IR
OPEN/CLOSE
S7504
KEY IN1
101
102
104
49
SBPTM
P7402-
SCLK
P7402-
44
42
TBUS CLK
43
MSCL
SCL
5
11
TO/FROM
DIGITAL P.C.B.
19 SEG25
SEG26 17
45 SEG35
SEG39 49
63 DIG00
DIG07 56
1 RESET 93
1
47
44
13
12
7
P1
P32
3G
8G
F+
F-
DP7501
TIMER
DISPLAY
4 FL TXD
KEY IN1
KEY IN2
KEY IN3
11 5 4
(RESET)
IC7502
X SW+5.8V
6
10
VDD GND CTL.
81 SYS PFAIL
VDD OUT
IC7506
(RESET)
D+3.3V
(RESET)
2
IC7505
VDD 1 PFAIL 80
PLAY
POWER
S7001
P7001 P7506
3
FRONT(L) P.C.B.
9
1
3
8
+B
HEATER-
+38V
GND
7
6
DISPLAY HEATER
POWER SWITCHING
TRANSFORMER
T7501
3
TO
U/V TUNER
( BTL+30V)
16
2 CS 94 FL CS
18
8 VCC1
VCC2
VDD
1 2
IP7502
(IC PROTECTOR)
X SW+12.4V
Q7510
( :OFF)
QR7505
( :ON)
78
B
PWR SAVE
QR7401-
UNREG.+38V
D7507
5 2G
1G 4
5 VSS
XTMUTE
DR P ON
P1501 15
P7410
4
JC P ON
TBUS TXD
TBUS RXD
SBMTP
P7402- 12
G SCLK A
G SBPTM A
G SBMTP A
<EEP ROM information>
1.Country & Language
2.Tuner preset
3.Timer REC info.
4.ROM Correction info.
QR7506
( :ON)
P SAVE
MAIN P.C.B.
TO
POWER SUPPLY
SECTION
P7402 30
5
-33V
64 VP
D7506
JC POWER ON H
DI POWER ON H
DR POWER ON H
FL RESET L
RESET L
H
L
L
H
POWER SAVE H
H
H
H
OUT
X SW+5.8V
2 1
PP7410 PS7801
P7410 PP7801
DMR-EH54DEG
51