DOWNLOAD Panasonic DMR-EZ47VEB Service Manual ↓ Size: 10.33 MB | Pages: 127 in PDF or view online for FREE

Model
DMR-EZ47VEB
Pages
127
Size
10.33 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / DVD RECORDER
File
dmr-ez47veb.pdf
Date
PREV: Panasonic DMR-EZ45VEB Service Manual

Panasonic DMR-EZ47VEB Service Manual ▷ View online

11 Block Diagram
11.1. Power Supply Block Diagram
44
IC9701-
H
DI P ON
ON:
5
V OUT 1
8
IC11400
(REG.)
V IN
8
IC9302-
8
IC9305-
TO
F+
F-
-VPP
T11170
SW TRANSFORMER
T11150
SW TRANSFORMER
PS9702 PP7501
3
FL DRIVE P.C.B.
D7502-A,D7503-A,
D7504-A
TO
FL DRIVE P.C.B.
IC7501-
TO
MAIN P.C.B.
TO
PS9701 PP7501
6
PS9702 PP7501
1
MAIN P.C.B.
TO
P9101
P6001
13,15
P9703
P59001
14,16
HDMI P.C.B.
TO
MAIN P.C.B.
TO
D-I F/TIMER
SECTION
FROM
DIGITAL
P.C.B.
TO/FROM
MAIN P.C.B.
FROM
P9703
P59001
56
P9700
P56104
2
5
62 90 99
43
IC9706-
Q9106,D9104
2
IC9703-
16
IC9701-
TO
IC9701-        ,      ,
TO
DIGITAL P.C.B.
TO
MAIN P.C.B.
TO
MAIN P.C.B.
PS9702 PP7501
8
X SW +5.8V
REGULATOR
Q9708,QR9707
FL DRIVE
QR11700,QR11701
SW
TO
MAIN P.C.B.
P9103
P6003
10,11
FL +6V
AD +5V
AD +5V
2
IP11400
1
1
IP9103
2
2
IP11800
1
1
IP9102
2
2
A
IC11200
(ERROR VOLTAGE DET.)
1
K
R
3
(ERROR VOLTAGE DET.)
VCC
4
D11171
GND
3
D11176
D11172
IC11170
F/B
DRAIN 5
2
Z/C
(SWITCHING IC)
1
3
R
K
1
1
2
4
IC11300
3
(FEED BACK)
Q11300
A
2
D11152
D11156
D11151
B1
20
19
18
17
16
15
13
12
9
8
B2
6
P2
4
P1
B2
B1
P2
P1
11
9
5
4
3
1
DMR-EZ47VEB
Power Supply Block Diagram
1
2
4
3
(FEED BACK)
Q11200
(     :ON)
QR11200
Q11201
POWER ON/OFF
CONTROL
H
VCC
4
2
1
3
4
GND
3
HOT
COLD
IC11150
F/B
DRAIN 5
2
Z/C
RECTIFIER
D11140,C11143
L11121
VA11110,L11120,
F11101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
(SWITCHING IC)
1
P11101
AC SOCKET
H
G 3
4
Q11370
(REG. D +5V)
S
D
D
D
D
DIGITAL P.C.B.
TO
MECHA +12.5V
DR +12V
P9703
P59001
22,24
DR +5V
ANA +3.3V
ON: H
CONT
5
V OUT 1
8
IC9106
(REG. ANA +3.3V)
V IN
P9703
P59001
76
ANA +5V
CONT
3
V OUT 5
1
IC9102
(REG. ANA +5V)
V IN
P9703
P59001
25
AU +5V
3
V OUT 5
4
IC9301
(REG. AU +5V)
V IN
P9104
P6004
8,9
BE +3.3V
P9102
P6002
11
PS +11.6V
2
IC9702-
2
IC9700-
TO
P9703
P59001
34
D +3.3V
P9700
P56104
4
X SW +3.8V
P9700
P56104
5
X SW +2.5V
X SW +5.8V
CONT
1
V OUT 4
2
IC11750
(REG. BE +3.3V)
V IN
3
4 S
D
D
G
D
D
2
5
1
6
Q11700
(REG. D +3.8V)
7
1 VIN
CS
EXT
FB 5
8
V5
IC11700
(DC-DC CONVERTER)
D +3.8V
P9703
P59001
60,62
P9101
P6001
11
X SW +12V
P9703
P59001
64,66,68,70,72,74
X SW +12V
UNREG +38V
P9103
P6003
12
PS9702 PP7502
5
P9101
P6001
2
2
2
5
1
6
EXT 7
1
IC11370
(DC-DC CONVERTER)
VIN
FB
CS
5
8
41
IC9701-
DR P SAVE L
30
IC7501-
TO FL DRIVE P.C.B.
45
DP7501-
TO FL DRIVE P.C.B.
1
DP7501-
TO FL DRIVE P.C.B.
DMR-EZ47VEB
49
11.2. Main P.C.B. Regulator Block Diagram
IO P SAVE
IC9701- 79
H
TU P ON
IC9701- 43
H
HDMI P5 ON
IC9701- 54
H
HDMI P3 ON
IC9701- 34
H
POWER ON
IC6001- 75
H
BIAS
IC6001- 21
H
H
DMR-EZ47VEB
Main P.C.B.Regulator
Block Diagram
13,15
P6001
MECHA +12.5V
X SW +5.8V
P9101
10,11
P6003
P9103
X SW +12V
12
P6003
P9103
BE +3.3V
8,9
P6004
P9104
X SW +5.8V
2
P56104
P9700
X SW +3.8V
4
P56104
P9700
X SW +2.5V
5
P56104
P9700
9
P56104
P9700
10
P56104
P9700
UNREG +38V
11
P6001
P9101
AD +5V
2
P6001
P9101
9
PS90001
P7402
1
P2571
Q4004
(POWER SUPPLY)
Q4501,D4502
QR4005 
(       : ON)
:ON
H
:ON
3
V OUT
+5V
+5V
2
P2571
TO
CAPSTAN MOTOR
MECHA +12.5V
1
4
IC6302
(REG. +5V)
V IN
GND
2
V OUT 5
1
IC7401
(REG. BOOSTER +5V)
V IN
CONT
H
QR4915 
(       : ON)
H
19
TO
IC2501-
CONT
5
V OUT
REG.A +5V
OSD +5V
FROM
SYSTEM
CONTROL &
SERVO
SECTION
FROM
SYSTEM
CONTROL &
SERVO
SECTION
OSC BIAS
1
8
IC3002
(REG. OSD +5V)
V IN
22
TO
IC3001-
,
47
,
50
60
,
84
,
92
,
52
,
53
IC6001-
H
:ON
2
V OUT
PS +11.6V
3
1
IC7404
(REG. PS +11.6V)
V IN
CONT
3
V OUT 5
1
IC56105
(REG. +5V)
V IN
H
ON
H
ON
3
V OUT 5
1
IC56104
(REG. +3.3V)
V IN
2
V OUT 3
1
IC56106
(REG. +1.2V)
V IN
46
TO
IC3901-
18
P56102-
IC56103/IC56107(+3.3V)
IC56103(+1.2V)
TO
U/V TUNER
1
21
,
TO
IC2501-
42
84 94
,
,
TO
IC3901-
6
8
25 40
,
,
,
,
TO
IC3901-
7
TO
IC2501-
37 99
TO
IC6001-
3
IC3905-
TO
U/V TUNER
TO
U/V TUNER
6
TO
T4001-
Q4502
(POWER SUPPLY)
QR4501
(       : ON)
H
QR7404
(POWER SUPPLY)
QR7403
(TUNER ON:      )
H
+12V
58
TO
IC4501-
+5V
PS +11.6V
6,7
PS90001
P7402
TO
BACK END P.C.B.
BE +3.3V
11
PP4801
PS6002
VCC
25 40
,
TO
IC4501-
Q6305,D6306
REG. +5V
V REG +5V
98
TO
IC6001-
FROM
DIG. INTERFACE
P.C.B.
FROM
D-IF/TIMER
SECTION
FROM
DIG. INTERFACE
P.C.B.
FROM
D-IF/TIMER
SECTION
3
GND
2
CONT
3
V OUT 5
1
IC7402
(REG. PS +5V)
V IN
GND
2
3
V OUT 5
4
IC7403
(REG. +5V)
V IN
DIG. INTERFACE P.C.B.
MAIN P.C.B.
HDMI P.C.B.
3
IC7601-
TO
FRONT JACK P.C.B.
DMR-EZ47VEB
50
11.3. Analog Video (1/2) Block Diagram
+
BIAS
CLAMP
BUFFER
AMP
48
47
VHS V Y OUT
FROM
SYSTEM
CONTROL &
SERVO
SECTION
FROM
BACK END P.C.B.
DT_C
DT_Y
(SW17C)
a
b
(SW17V)
a
b
(SW17Y)
a
b
DMR-EZ47VEB 
Analog Video (1/2) Block Diagram
V/Y IN DM
CPN C IN DM
MAIN P.C.B.
1.0V
2.3V
5V
:PB SIGNAL
:REC SIGNAL
CLAMP
V
TUNER
30
INTERLACE
PROGRESSIVE/
VIDEO OUT
COMPONENT
Y
PB
PR
1
4
JK9401
3
2
RED/C
15
VIDEO/Y
19
GREEN
11
(TV)
AV1
BLUE
7
21PIN JACK
JK3901
OUT
C
Y
S-VIDEO
JK4903
3
4
OUT
VIDEO OUT
JK4901
1
4
(DECODER/EXT)
AV2
VIDEO
19
21PIN JACK
JK3901
DIGITAL P.C.B.
TO
P59001
P9703
71
75
P9703
P59001
10
PP4801 PS6002
11
P6004
P9104
12
P6004
P9104
13
P6004
P9104
7
PS90002 P7401
5
PS90002 P7401
8
PP4801 PS6002
3
PP4801 PS6002
P59001
P9703
83
88
P9703
P59001
P59001
P9703
84
87
P9703
P59001
P9103
P6003
2
1
P6003
P9103
P9102
P6002
19
17
P6002
P9102
P9102
P6002
16
18
P6002
P9102
LOGIC
IIC BUS
SDA
89
SCL
88
FROM/TO
SYSTEM
CONTROL &
SERVO
SECTION
IIC DATA
IC6001- 72
71
IC6001-
IIC CLK
B
Q9701,Q9705-
SLICER VIDEO
52
IC6001-
C V OUT
(SW10)
CLAMP
CLAMP
CLAMP
CLAMP
BIAS
CLAMP
SLICER
85
OUT
ADC
V/Y
83
OUT
C-ADC
81
TUNER V
AV2 V/Y
AV2 R/C
AV3 V
AV3 C
AV3 Y
AV1 V
CIRCUIT
SWITCH
SELECT
OUTPUT
ADC
OUT
V
AV2
28
SV2
e
d
c
b
a
OUT
V/Y/C
AV1
26
SV1
e
d
c
b
a
a
b
(SW9)
OUT
V
24
23
a
b
(SW8)
OUT
C
22
(SW7)
a
b
OUT
Y
20
19
OUT
G
AV1
17
6MHz
(SW5)
12MHz
a
b
c
15
OUT
Y
COMP
14
(SW6)
a
b
c
d
OUT
B
AV1
12
OUT
B-Y
COMP
11
6MHz
(SW4)
12MHz
a
b
c
d
OUT
R-C
AV1
9
(SW3)
a
b
c
(A/V SIGNAL PROCESSOR)
IC3901
OUT
R-Y
COMP
7
(SW2)
a
b
c
(SW1)
12MHz
6MHz
CLAMP
BIAS
CLAMP/
CLAMP
BIAS
CLAMP/
+
LPF
6MHz
CLAMP
BPF
6MHz
BIAS
a
b
CLAMP
BIAS
c
b
a
AV2 V/Y
AV2 B
AV2 G
AV2 R/C
AV3 V
AV3 C
AV3 Y
AV1 V
AV2 V/Y
< B >
< RGB CPSV >
< R >
< G >
AV2 B
AV2 G
AV2 R/C
AV3 V
AV3 C
AV3 Y
31
5
3
1
(DECODER/EXT)
AV2
VIDEO/Y
BLUE
GREEN
RED/C
20
7
11
15
21 PIN JACK
JK3901
VIDEO IN
37
S-VIDEO IN
45
AV3
JK4802 
FRONT JACK
AV3
JK4801 
FRONT JACK
41
7
6
4
3
2
1
4
3
33
99
97
95
93
91
AV1 VIDEO
Q6103,Q6104
(TV)
AV1
16
21 PIN JACK
JK3901
FROM
DIGITAL
P.C.B.
BPB OUT DM
GPY OUT DM
RPR OUT DM
Y OUT DM
C OUT DM
P9103
4
P6003
P6003
P9103
5
6
P9103
P6003
9
P9103
P6003
8
P6003
P9103
P59001
67
P9703
P9703
P59001
63
59
P59001
P9703
51
P59001
P9703
55
P9703
P59001
< R >
< B >
< RGB CPSV >
< G >
AV4 V
AV4 Y
AV4 C
35
39
43
AV4 V
AV4 Y
AV4 C
CLAMP
BIAS
CLAMP
VCR Y IN
VCR C IN
DMR-EZ47VEB
51
11.4. Analog Video (2/2) Block Diagram
DMR-EZ47VEB
Analog Video (2/2) Block Diagram
:PB SIGNAL
:REC SIGNAL
61
C3005
L3001,
83
V Y IN DM
IC3901-
81
CPN C IN DM
IC3901-
P.C.B.
DIGITAL
FR
FROM
ANALOG
VIDEO(1/2)
SECTION
FROM
ANALOG
VIDEO(1/2)
SECTION
OM
LPF
INT
EXT
P
R
(AUDIO/VIDEO SIGNAL PROCESSOR)
IC3001
LP/EP R
LP/EP COM
LP/EP L
SP R
SP COM
SP L
VIDEO HEAD
DD CYLINDER
TO/FROM
VIDEO HEAD
DD CYLINDER
TO/FROM
1
P3001
2
P3001
3
P3001
4
P3001
5
P3001
6
8
8
P3001
P59001
P6003
P9103
PIN53
THES MODELS BY
FIXED TO INT IN
INT
EXT
R
P
P
R
ATP
R
H
L
SVHS
SVHS
TO
SYSTEM
CONTROL &
SERVO
SECTION
SVHS_PB   H
IC6001-
X3001
X3002
FILTER
PEAKING
8
20
53
65
69
67
71
9
12
36
51
49
40
38
37
35
34
33
26
23
19
21
17
15
EMPHASIS
NON-LINEAR
DEH
COMPARATOR
PHASE
TRAP-NC
HP-NC
REDUCTION
Y-NOISE
DELAY
Y-CCD
LPF
GCL
GCL
GCL
R(SVHS)
R(SVHS)
DO
DO/REC
SQPB
SQPB
P
R
SVHS+L SECAM
SVHS+L SECAM
+SSEQ
SECAM DELAY
Y-LPF
R
P
GCL
(NOT USED IN THESE MODELS)
SIGNAL INPUT LINE
EXTERNAL PB LUMINANCE
TO C CCD
SQPB
SQPB
EXT
INT
P
R
TRAP
629MHz
AGC
FM
DET
S-VHS
P-EQ
DL
SQPB
DRIVER
C CLOCK
2FSC
OSCILLATOR
VCO
X'TAL
G-EQ
DLIM
DEMO
LPF
SUB
W.C/D.C
CARRIER OFFSET
MAIN EMPHASIS
DE-EMPHASIS
MAIN
ET LPF
PB AGC+APL
REC FBC+ALC
ADJUSTMENT
fo/DEVIATION
MODULATION
FM
FILTER
REC
ACC DET
CHROMA
ACC DET
ACC SW
REC APC
KILLER
PB APC
APC SW
EQ
SQPB
DE-EMPHASIS
NON-LINEAR
VIDEO ALC
CLAMP
FEED BACK
SYNC
CLEAR
ACC
LPF
2MHz
HPF
AGC
VIDEO
-10dB
ATT
-10dB
ATT
-4dB
ATT
-6dB
ATT
91
90
89
87
86
85
45
46
55
57
76
29
VCA
MUTE
REC
+
L SECAM
TRAP
FREC
NO
THROUGH
C-ACC:ON
L SECAM
L SECAM
L SECAM
FREC TRAP
DELAY
C-
R
P
Hi-Fi TRAP
REC TRAP/
ADJUST
LEVEL
MIX
B.E
ACC
CHROMA
CTL TRAP
fh HPF
KILLER
COLOUR
+
LPF
CCD
C CCD
VCA
C LPF2
V-AMP
AMP
TO
SYSTEM
CONTROL &
SERVO
SECTION
Q6102
VIDEO
ENVE
TW3001
SQUELCH
C-
AMP
6dB
C LPF1
CONV DELAY
4.43PAL
MPAL
ERASE
PILOT
B.D
BPF
ADD
PILOT
P
R
P
R
P
R
P
R
P
R
CONV 1
MAIN
+
CONV 2
MAIN
KILLER
COLOUR
CONVERTER
NTSC/PAL
SQUELCH
SP
SP
CH1
CH2
CH1
CH2
SP1
SP1
SP2
SP2
SP1
SP1
SP2
SP2
V_Y_IN
C_IN
(SIGNAL SELECT)
IC3905
55
P9703
50
OSD V IN
IC6001-
2
4
6
DMR-EZ47VEB
52
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