Panasonic DMR-EH57GN, Service Manual, Page: 49 / 103

11.4. Analog Timer Block Diagram
X SW+12.4V
3
P7502
1
P7502
FAN MOTOR
M
(FAN MOTOR DRIVE)
Q7511
FANDCOUT
H
H
H
H
H
H
H
L
L
L
H
H
H
L
VEE 30
-33V
5
1
IC1506-
MAIN P.C.B.
P SAVE
G SBMTP A
G SBPTM A
G SCLK A
21 P7402-
SBMTP
43
IC7501-
TU P ON
TBUS RXD
TBUS TXD
TU P ON
3 IC1510-
B
QR1501-
DR P ON
XTMUTE
VSS 12
D7506
QR7402
Q7403
( :ON)
UNREG.+38V
POWER SAVE 61
( :ON)
QR7508
( :OFF)
Q7510
X SW+12.4V
(IC PROTECTOR)
IP7501
2 1
VDD 13
VDD 43
DOUT 6
FL CS 45 STB 9
to TU7802- (BTL+30V) 14
T7501
TRANSFORMER
POWER SWITCHING
DISPLAY HEATER
6
7
GND
+38V
HEATER-
+B
8
3
1
9
FRONT(L) P.C.B.
HDMI P.C.B.
S7002
POWER
PLAY
73
86
87
88
PFAIL
XRESET
4 VIN
IC7503
5V DET
OUT
RESET
X SW+5.8V 7
XSW5V
OUT
(RESET)
CTL. GND VDD
19
15
X SW+5V
KEY IN3
KEY IN2
KEY IN1
FL TXD 5
DISPLAY
TIMER
DP7501
F-
F+
1
45
B
DIGITAL P.C.B.
TO/FROM
9 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
OPEN/CLOSE
IR
QR4002-
XT MUTE
85 IC3001-
SLICER VIDEO
KEY IN3
HDMI-MONI
HDMI-CONT
KEY IN2
Q7501
Q7503
10
P7501 P56101
7
P7501 P56101
6
30
29
30
29
IIC DATA
IIC CLK
DMR-EH57GN
Timer Block Diagram
POWER SUPPLY SECTION
TO
TU POWER ON
DI POWER ON
43
44
P OFF
U/V TUNER
TU7802
SDA
XIN
CEC INT
CEC OUT
XOUT
15
13
10MHz
X7501
XCOUT
XCIN
11
10
32.768KHz
X7502
(NICAM/A2)
IC7301
SDA
SCL
IIC DATA
IIC CLK
BUFFER
Q7505
FAN MOTOR
DRIVE
Q7509
BUFFER
BUFFER
CVIN1
SYNC IN
IC7504
(DISPLAY DRIVE)
FL CLK
FL RXD
CLK
DIN 7
8
7
6
S7507
S7506
STOP
S7508
REC
IC7501
(TIMER)
IR7501
1 3 2
SG1
REMOTE CTL.
65
98
89
14
SG2 15
SG3 16
SG4 17
SG5 18
SG6 19
SG7 20
SG8 21
SG9 22
SG10 23
SG11 24
SG12 25
SG13 26
SG14 27
SG15 28
SG16 29
GR1 42
GR2 41
GR3 40
GR4 39
GR5 38
GR6 37
P1
41
P2 40
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
S7501
CH-DOWN
S7503
CH-UP
RECEIVER
REMOTE CONTROL
8 5 12
20
78
D7505
DMR-EH57GN
49