Panasonic DMR-EZ47VP, Service Manual

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H
- +
NOISE
G
N
D
ON
V
O
U
T
VIN
REFERENCE BANDGAP
PROTECTION THERMAL
5
4 3
2
1
66
LINE 3 OUT
68
LINE 2 OUT Pr/R/C SAG Pr/R/C OUT
Pb/B SAG Pb/B OUT Py/G SAG Py/G OUT
Y75 SAG Y75 OUT V75 SAG V75 OUT C75 OUT
V Y
SW1
DVD R/Pr IN DVD B/Pb IN DVD G/Py IN
DVD Y IN DVD C IN
2 I C-BUS CONTROL
SW A
SW2
Py/G SW
6M LPF
12M LPF
Pb/B SW
BIAS
6M LPF
BIAS
6M LPF
Pr/R/C SW
CLAMP
BIAS
DRV MIX
BIAS
6M LPF
+
6M LPF
CLAMP
75 75 75 75 75 75
0dB 0dB 0/6dB
MIX A
C-SW A Y-SW A
+
MIX A
V-SW A
BIAS BIAS BIAS
CLAMP CLAMP CLAMP CLAMP CLAMP CLAMP CLAMP
SCL SDA
23
S1/S2 DET3
13
C/S DET2 S1/S2 DET2
16
S1/S2 DET1
9
57 58
34 32
Y/V OUT B
COUT B
71 75
VIDEO B SLICER
73
8
DET OUT A
S1/S2 OUT
31
Y1 IN C1 IN VIDEO1 IN Y3 IN C3 IN Y2 IN C2 IN VIDEO3 IN VIDEO2 IN TUNER
7
10
5
21 24 14 17 19 12
1
CLAMP
TUNER
3
35
43 51
33
47
36 37
39
27 26 29 28 30
41 20
C/S DET3
6
C/S DET1
48
DET OUT B
V Y
SW B
MIX B
C-SW B Y-SW B
+
MIX B
V-SW B
0dB 0dB
Y/V OUT A
COUT A
65 69
0/6dB
VIDEO A SLICER
67
VDD
VEE
VSS
SW LOGIC
Y2 X2
X1
X0
Y3
Y1
X3
A
INH
B
Y0
X
Y
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
+
- +
-
+
- +
-
+
-
+
-
+
32
10
9
29 28
31 18 21 20
INTERFACE IIC BUS
SDA SCL
TUN R TUN L L1 IN L L1 IN R L2 IN R
24
LINE OUT2
27
LINE OUT1 RF OUT L2 IN L
25 26
S
E
LE
C
T
12 11
2 3
OUTL
EXT12 EXT11
OUTR
D/A2 D/A1
IC3701 VIDEO PR
OCESSOR
IC-DET
AIL BLOCK DIA
GRAM
IC4803 A
U +9V SWITCHING REG.
IC-DET
AIL BLOCK DIA
GRAM
IC4801 SWITCHING IC-DET
AIL BLOCK DIA
GRAM
IC4804 A
UDIO PR
OCESSOR
IC-DET
AIL BLOCK DIA
GRAM
IC3701
Detail Block Diagram
IC4801
Detail Block Diagram
IC4803
Detail Block Diagram
IC4804
Detail Block Diagram
DMR-EZ47VP/EZ475VP IC-Detail Block Diagram
DMR-
EZ47VP
/
DMR-
EZ475V
P
81