Panasonic DMR-EZ47VP, Руководство по обслуживанию

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12.8.
Video
Section
(Main
P.C.B.(1/4
))
Schemati
c
Diagram
(V)
C5006 6.3V 100
1u[KB]
C5008
0.1
C5007
0.1
[KB]
C5005
AR
J1
VEE0U97-1
FM_GND
H_SW
TRK_ENV
A_COM
A_GND
AL
C5002 0.01[KB]
C5001 0.01[KB]
K3027 VWJ0795=5
0.01[KB] C5004
0.01[KB] C5003
K3009 VWJ0795=20
K3024 VWJ0795=7.5
0.01
C4013
C3024 330P
68u L3004
C3023 0.01[KB]
C3020 50V 3.3
C3021 35V 10
R3030
6R8M
C3025 0.01
2200
R3035
4700P
C3035 C3034
50V 2.2
C3031
0.033[KB]
K3010
27u
L3005
K3007
VWJ0795=7.5
C3033
0.1[KB]
C3032
50V 4.7
C3038
4P 50V 1
C3039 C3037
0.1[KB]
C3036
6.3V 47P
C3030
0.022[KB]
C3029
50V 47
R3013
10K
G1C120JA0036
L3006
0.01
C3040 C3041
0.01
R3014
1K
1
2
#H0D357400067
H0D357400068
X3002
C3028
50V 4.7
IIC_DATA
IIC_CLK
K3006
VWJ0795=12.5
R3017
1K
C3044
0.1[KB] 10K
R3046 R3047
10K
FSC
SYS_G
ND
Q3001
TW3001
VWJ0795=5
68u
L5001
15K R3009
R4009
0
C4083 6.3V 47P
X_SW_5R8V
REF_GND
X_SW_5R8V_IP
BIAS_H
K9ZZ00001279
ZJ3001
K4001
VWJ0795=5
2SD0602ARL
Q4081
C4084
1800P
C4081
0.022[KB]
2SB0710A0L
Q4084
1 2 R4087
2200
QR4082
UNR521300L
G0C221KA0065
L4061
2200
R4086
R4082
3300
DREC_H
R4005
1K
10K
R4007
C4009
6.3V 33P
Q4002
15K R4006
R4004
270
1800P
C4007
R4003 15K
C2099
680P
A_5V
IN_NORMAL
R2099
6800
CTL_HEAD_M
3
2
6
7
4
5
1
9
8
P3001
TO CYLINDER UNIT
#K1MN09A00022
K1MN09A00029
CTL_HEAD_P
K4002
1
2
K1KB02A00035
P4001
2
4
3
1
6
5
K1MN06A00033
P4002
TO AUDIO CONTROL HEAD
TO FULL ERASE HEAD
UNR511100L
QR4001
C4004 1800P
Q4001
2SD114900L
R4001
1K
C4001
0.033[B] 470P[KB]
C4082
4
3 2 1
6
G2A472C00003
T4081
OUT_NORMAL
10K
R4081
DVD_Y_OUT
OSD_VIDEO_IN
OSD_GND
ART_V_H_N
C3004
16V 10P
K3005
VWJ0795=10
1500
R3023
REG12V
0.1[KB]
C3016
Q3003
B1AAGD000016
VREG5V
DVD_C_OUT SVHS_PB_H MIX_V_OUT
AVR_L
R3003 470[D]
16V 10P
C3013
VWJ0795=5 D3002 D3001 MAZ4056NHF
C3011
0.1[KB]
C3010
1u[KB]
C3012
6.3V 47P
27u
L3003
1u[KB] C3015
0.1[KB] C3074
0.1[KB] C3019
C3017 0.1[KB]
C3014
0.1[KB]
C3050
0.1[KB]
R3022
3300
Q3004
2SD1819A0L
C3053
0.1[KB]
330
R3031
C4011 0.01[KB]
50V 4.7
C4012
R4008 330K
C4006
50V 4.7
C4008 50V 3.3
C4005
6.3V 22P
R3001
1500
R3032
3900
L3002
270u
C3003
0.1[KB]
C3006
0.1[KB]
C3005
22P
C3002
0.1[KB]
R3002
6200
C4019
16V 10P
150P
C3001
R3021
2200
C3048
0.01[KB]
C3008
50V 4.7
C3009
1u[KB]
C3007
0.01
R4012
22K
R4011
15K
C4017
16V 10P
46
48
50
49
47
98
100
99
92
91
94
93
96
97
95
61 60
85
87
86
90
89
88
63 62
82
83
65 64 67 66 69 68 71 70 73 72 75 74 80 77 78 76 79
81
84
58 59 56 57 54 55 52 53
39
40
37
38
35
36
33
34
31
32
50
49
47
48
45
46
43
44
41
42
51
29
2 3 1 5 7 9 8 6 4
27 23 24 19 20 15 16 11 12 10 14 13 18 17 22 21 26 25 28 30
C1AB00002083
IC3001
S
S
S
A
A
A
S
A
A
S
S
A
A
A
A L
SP L
SP R
A R
(2SC1959-Y)
S S I I I S
I
S S S S A S S S
VIDEO ENVE
FM_MUT
S S
or
A
S
(HA118425BNF-E)
M ES E C A M
Det
MIX LEVEL
SW37
ADJUST
REC
SW44
DET DET
Mute
SP2
LPF
B.E
L-SECAM
SW39
CCD
CONT
Color Level
EVVDET HPF
P
R
SW50
DETERTOR
Killer
C-ACC:ON
SW35 C-ACC
Chroma
ACC
L-SECAM
L-SECAM
SW36
REG APC
TANK
CR DET
COMO
B-Y Invert
X-tal
VCO/OSC
ACC
VCA
SW40
INT SP
SW48
SW49
SW47
CH1
SP2
SP2
SP2 SW41
CH2
SW43
SP2
SP
EXT INT
SW38
R
HPF
2MLPF
L-SECAM SP2 CH1
SP2
SW45
CH2
SW42
SW46
SP2
EXT
P
SW25
SD
P
R
SW34
fh HPF
CTL Trap
SD
6dBAMP
De-Emph
+SSEQ
SW17
Delay Y-LPF SQPB EQ N.L.
C-Sque lch P
SVHS+L-SECAM
SW15
P
C.K
L-Det
R
LPF
C-CCD
R SW30
SW29
R P
CCD
CLPF2
SW33
CLPF1
4Phase
2fsc
Y-CCD
Down
LCVCO
Clock Driver
Conv
ACC Dst REC AFC Discri
Control
Mode
VCA
P
ACC Det
ACC SW
CCD-CONT
Chroma
SW51
B.D C.K NP Conv
SW26
Pilot
R*L-SECAM Pilot
Add
INT
EXT BPF
P
P R
P
SW27
Erase
Main
Conv2 Conv1
Main
R P R
elay
C-D
MPAL
DELAY
4.43PAL
SW32 SW31
APC SW
PB APC
HIFI TRAP
REC TRAP
Main Emphasis
SW1
SW7
SW10
fo/DevAdj
W.C/D.C
REC
EQ
ON
SW2
EP
FM MOD
R
P
SW11
DET
Carrier Offset
SW6
P
De Emphasis
Main
REC FBG+ALC
DEMO
DLIM
PB AGC+APL
SUB LPF
Gap
Band SW13
G-EQ
SW3
629
TRAP
SW5
FM AGC
SQPB
SW12
SQPB
fh
SP ON
TRAP
Audio ALC
SW4
P
SW8
R
SW9
DL
R
REC
ON
PREAMP
P
P-EQ
DET
REC
Filter
HP-NC
PC
R
SW18
TRAP-NC
Video AGC
N.L
D0/REC
GCL
D0
SW24
R*SVHS R*SDECK
GCL
P
R
SW52
YNR
GCL
P
SW20
R
ATT
R
-6DB
-4DB
ATT
ATT
Sep R*SDECK
Sque
35PinGCL
GCL
R*SDECK
SW22
GCL
ATT
-10DB
ATT
-10DB
R*SDECK
Sync
Clamp
Video ALC
SW23
Sync
PG Clear
R*SDECK
PGFeed Back
ATP
SW21
V-AMP lch AGC Det PG
SW16
-10DB
D0
Det
S-Det
R
SECAM
SVHS+L-SECAM SQPB
LPF
Emph
SQPB
SW19
DEH ET LPF
SW14
or
A E IN
FULL E
FULL E
GND[E]
LP EP L
LP EP COM
LP EP R
A HEAD[R]
A HEAD[W]
A COM
SP COM
(TO CYLINDER)
CTL HEAD[+]
CTL HEAD[-]
8
9
10
7
6
E F G D C
5
4
3
2
1
B A
DMR-EZ47VP/EZ475VP Video Section (Main P.C.B.(1/4)) Schematic Diagram(V)
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.
V
:Video Section:(P
age:
)
D
A:VHS A
udio Section:(P
age:
)
E
S:Syscon/Ser
vo/Timer Section:(P
age:
)
I:I/O Section:(P
age:
)
F
G
D
DMR-
EZ47VP
/
DMR-
EZ475V
P
70