Panasonic DMR--EZ475VP, Руководство по обслуживанию

Страница: 69 / 122

12.7.
Tuner
Section
(Power
&
Digital
I/F
P.C.B.(3/3
))
Schemati
c
Diagram
(IF)
P
IL
O
T
D
E
T
S
T
E
R
E
O
P
L
L
P
IL
O
T
LEVEL DET
-6dB
M
U
T
E
R
E
G
U
L
A
T
O
R
L
P
F
L
P
F
M
U
T
E
L+R
L
-R
/S
A
P
d
b
x
P
R
O
C
E
S
S
O
R
OF FS ET
CANCEL
SPECTRAL IN
SPECTRAL
DET
WIDE RMS DET
P
IL
O
T
C
A
N
C
E
L
L
E
R
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
13
14
15
16
17
18
19
20
21
22
23
24
L-R
D
E
M
O
D
S
T
/S
A
P
S
W
M
O
D
E
O
U
T
S
A
P
D
E
M
O
D
S
A
P
D
E
T
O
F
F
S
E
T
C
A
N
C
E
L
L
M
A
T
R
IX
L
P
F
S
IF
D
E
M
O
D
S
A
P
B
P
F
SPECTRAL RMS DET
ILL
D
E
C
O
D
E
S
Y
S
T
E
M
C
O
N
T
R
O
L
A
D
D
R
E
S
S
C
O
N
T
R
O
L
ST S
A
P
H VIN
VOUT
NR
GND
:ON
4
2
3 1
5
IC
CH_SW
TV_VCR
G_TU_SCL_A
AFC
G_TU_SDA_A
G_TUIFOUT1_A
UNREG38V
G_TU_IFAGC_A
JC_P_ON_H
G_TUIFOUT2_A
G_TU_V_OUT_A
R7802
100K
QR7801
UNR511200L
Q7802
2SD1819A0L
G_RFC_V_IN_A
C7829 0.01
C7838 0.01
C7836
0.01
G
_
S
IF
_
A
ERJ3GEY0R00V
LB7816
C7835
0.01
C7839
0.01
RET4
RET3
RET1
RET2
G3
G4
19 17 18 21 20
G1
G2
16 4 3 2 7 12 14 15 13 9 8 11 10 6 5 1 ENG56E01G1F
TU7801
C7831
0.1
50V 1
C7827
C7830 6.3V 47P
LB7808
ERJ3GEY0R00V
LB7805
J0JCC0000103
LB7802
J0JCC0000103
LB7804
J0JCC0000103
6.3V 47P
C7826
J0JHC0000032
LB7803
LB7801
J0JCC0000103
LB7806
J0JHC0000032
LB7807
J0JCC0000103
6.3V 47P
C7824
R7801
680
2SB1218A0L
Q7801
B1ADCF000154
VWJ0795=5
L7801
D7801
B0BA03000015
J0JHC0000032
LB7809 LB7810
J0JCC0000103
LB7811
J0JCC0000103
1K
R7803
R7804
0
R7805
0
LB7815
ERJ3GEY0R00V
LB7813
ERJ3GEY0R00V
LB7812
ERJ3GEY0R00V
LB7814
J0JHC0000032
6.3V 47P
C7823
G_SIF_B
JC_REG5V
0.047 C7308
C7322 50V 2.2
100 R7301
R7302
100
C7301 6.3V 22P
ER J3G EY 0R 00V
K7801
1K
R7307
C7807
1u
3 1 2
4 5
C0CBCDC00052
IC7801
10V 1
C7802
G_SIF_C
3
1
2
EFCT4R5MS5W
J0B4504AA026
FL7301
R7308
0
C7319 1u
G_SIF_E
C7316 1u
C7313 16V 10P
0.1
C7312
GND
C7306 50V 4.7
C7302 50V 4.7
C7305 50V 4.7
C7304 6.3V 22P
C7314 50V 2.2
1u C7317
C7310 6.3V 47P
0.01 C7311
R7306
4700
C7321
1u
1u C7318
0.1 C7320
G_TU_L_A
G_TU_R_A
X_SW_5R8V
G_I2C5DT_A
G_I2C5CK_A
R7304 0
TL7301
R7305 0
10
11
9
7
8
3
2
1
6
4
5
14
16
18
20
23
22
24
21
19
17
15
12 13
IC7301
C1AB00002666
G_RFC_A_IN_A
RFC_SW RFC_5V AUDIO_IN
BOOSTER_5V TU_MONITOR NC SIF_OUT
VIF_5V
VIDEO_OUT AFT 30V TUNER_5V IFD_OUT2 IFD_OUT1 IF OUT IF_AGC
IIC_CLK IIC_SDA
VIDEO_IN
AGC
RFC_ON/OFF
VCC
LOUT
PCREG
PCSPE
PCTIM
ROUT
PCKE6B SDA
ADDSET
SCL
ST_SAP
GND
PCFIL
POSIF
SAPDET
PCDET
DBXIN PCTNWID
PCDCIN
or
SANYO
STPDET
VO
GND CONT VIN
CN
or
PCPLC
STPLL
PCDCOUT
P
IF
IF
IF
IF
IF
IF
IF
P
P
IF
IF
IF
IF
IF
IF
IF
IF
IF
IF
8
9
10
7
6
E F G
D C
5
4
3
2
1
B A
DMR-EZ47VP/EZ475VP Tuner Section (Power & Digital I/F P.C.B.(3/3)) Schematic Diagram(TU)
N
O
T
E
:D
O
N
O
T
U
S
E
T
H
E
P
A
R
T
N
U
M
B
E
R
S
H
O
W
N
O
N
T
H
IS
D
R
A
W
IN
G
F
O
R
O
R
D
E
R
R
IN
G
.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
C
IC7301 A
UDIO MUL
TIPLEX DECODER
IC-DET
AIL BLOCK DIA
GRAM
IC7801 B5V SWITCHING REG. IC-DET
AIL BLOCK DIA
GRAM
P:P
o
w
er Supply Section:(P
age:
)
A
IF:Digital I/F Section:(P
age:
)
B
TU:T
uner Section:(P
age:
)
C
DMR-
EZ47VP
/
DMR-
EZ475V
P
69