Panasonic DMR-EH495EGA, Руководство по обслуживанию, Страница: 53 / 99

S-8
PW X SW+12V
3
P57501
1
P57501 M
(FAN MOTOR DRIVE)
Q57512
FA
N
O
U
T
P59001 P7402
6
P59001 P7402
4
P59001 P7402
2
TO MAIN P.C.B.
POWER SUPPLY
BLOCK SECTION
P59001 P7402
45
P59001 P7402
27
P59001 P7402
36
P59001 P7402
34
P59001 P7402
38
TO MAIN P.C.B.
ANALOG AUDIO BLOCK SECTION
PW D+3.3V
IC57503
(3.3V DET)
1 3 IN OUT
P59001 P7402
16
FROM MAIN P.C.B.
POWER SUPPLY BLOCK (2/2) SECTION
P59001 P7402
53
P59001 P7402
14
FROM MAIN P.C.B.
POWER SUPPLY BLOCK (2/2) SECTION
TO MAIN P.C.B.
ANALOG VIDEO BLOCK SECTION
TO MAIN P.C.B.
POWER SUPPLY BLOCK (1/2) SECTION
TO MAIN P.C.B.
POWER SUPPLY BLOCK (2/2) SECTION
P59001 P7402
P59001 P7402
1
3
TO / FROM MAIN P.C.B.
ANAROG AUDIO BLOCK SECTION
AND
ANAROG VIDEO BLOCK SECTION
P59001 P7402
25
TO MAIN P.C.B.
POWER SUPPLY BLOCK (1/2) SECTION
SDA
SCL
H
H
L
L
L
H
H
H
VEE 30
-VP
5
DIGITAL P.C.B.
MAIN P.C.B.
P SAVE
G SBPTM A
G SBMTP A
G SCLK A
IC50001-
SBMTP
TBUS RXD
TBUS TXD
TU P ON
DR P ON
XTMUTE
A MUTE
SLICER
VSS 12
UNREG.+38V
( :ON)
QR7508
( :OFF)
Q7510
X SW+12.4V
(IC PROTECTOR)
IP7501
2 1
VDD
P SAVE H
13
2
VDD 43
DOUT 6
FL CS
FL CS
45 STB 9
T7501
DISPLAY HEATER
POWER SWITCHING
TRANSFORMER
6
7
GND
+38V
+B
HEATER -
8
3
1
9
FRONT (L) P.C.B.
S7201
POWER
73
82
88
PFAIL
3.3V DET
G5
IC50001-
IC50001-
F4
G1
X SW+5V
KEY IN3
FLTXD
FLTXD
5
TIMER
DP7501
F-
F+
1
35
TO / FROM
DIGITAL P.C.B.
36
FAN PWM OUT 22
LOCK1 H 39
TBUS CLK
35
37
IC50001-
SCLK
IC50001-
SBPTM
DR POWER ON 42
KEY3
87 KEY IN2
KEY2
40
HDD PFAIL
47
Q57501
Q57505
P57503 P7201
1
6
7
TU POWER ON
DI POWER ON
43
44
P OFF
XIN
XOUIT
15
13
10MHz
X57501
XCOUT
XCIN
11
10
32.768KHz
X57502
BUFFER
Q57511
FAN MOTOR
DRIVE
BUFFER
CVIN1
SYNC IN
IC7501
(DISPLAY DRIVE)
FL CLK
HSYNC
VSYNC
FL CLK
CLK
DIN 7
8
7
IC57501
(TIMER)
SG1
REMOTE CONTROL
KEY IN1
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 32
31
30
28
26
25
23
22
20
19
17
16
14
13
12
10
8
24
21
18
15
11
9
GR2 41
GR3 40
GR4 39
GR5 38
GR6
GR7
37
37
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
2G
1GA
3G
4G
5G
6G
7G
3
D7505
86
CTL. GND VDD
FRONT (R) P.C.B. MAIN P.C.B.
P7503
S7701
OPEN/
CLOSE
3
P7503 PP7701
PP7701
PP7701
1
P7503
2
IC7701
1 3 2
P59001 P7402
18
P59001 P7402
X SW +5V
IR
KEY 1
12
REMOTE CONTROL
RECEIVER
HDD PFAIL
SYNC DET
FAN MOTOR
DISPLAY
DMR-EH49A, EH59A, EX79A
Digital P.C.B. Analog Timer Block Diagram
(DMR-EH49A, EH59A)
30
29 IIC CLK
IIC DATA
P59001 P7402
P59001 P7402
51
49
P7402 P59001
P7402 P59001
21
23
TO MAIN P.C.B.
ANAROG AUDIO BLOCK SECTION
AND
ANAROG VIDEO BLOCK SECTION
9
10
30
29 IIC CLK
IIC DATA
30
29 IIC CLK(PRG)
G UARTP2M A
G UARTP2P A
IIC CLK(PRG)
U/VTUNER
TU7802
IICDATA
IIC CLK
H3
G2
TO
DIGITAL P.C.B.
RXD
TXD
S3.4. Digital P.C.B. Analog Timer Block Diagram (EH49A/EH59A)