DOWNLOAD Panasonic DMR-EH49EEA / DMR-EH59EEA Service Manual ↓ Size: 7.78 MB | Pages: 99 in PDF or view online for FREE

Model
DMR-EH49EEA DMR-EH59EEA
Pages
99
Size
7.78 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / DVD RECORDER
File
dmr-eh49eea-dmr-eh59eea.pdf
Date
PREV: Panasonic DMR-EH49EC / DMR-EH49EE / DMR-EH49EP / DMR-EH59EC / DMR-EH59EE / DMR-EH59EM / DMR-EH59EP / DMR-EH495EG / DMR-EH595EG Service Manual

Panasonic DMR-EH49EEA / DMR-EH59EEA Service Manual ▷ View online

S-4
S3.1. Main P.C.B. Power Supply Block Diagram
S3.1.1. Main P.C.B. Power Supply Block Diagram (1)
UNREG +38V
D7506
C
X SW +3.8V
DR P ON
P SAVE L
E
B
A
D
X SW+5.8V
T7501
7
1
IP7501
2
1
H
DR+12V
(
:ON)
QR1501
FET
D
S
G
Q1509
(DR+12V OUT)
4
1
2
5
6
3
P1102
P1501
5, 6, 7, 8
P59001
P7402
30, 32
P7402
P59001
36
FROM DIGITAL P.C.B.
ANALOG TIMER
BCLOCK SECTION
TO DIGITAL P.C.B.
DISPLAY HEATER
POWER SWICHING
TRANSFORMER
POWER
SUPPLY
CONTROL
Q7502, QR7501
QR1220
AC INLET
P1101
SURGE
SUPPRESSOR
AND
SURGE
ABSORBER
F1101
VA1110,L1120,L1121
D1140,C1143
RECTIFIER
T1150
POWER
SWITCHING
TRANSFORMAR
6
P1
4
2
1
P2
B1
B2
G
G
NS12
NS12
8
11
1
3
2
D1270
1
2
7
6
V5
VIN
IC1601
(DC/DC CONVERTER)
FET D
S
G
2
4
5
6
7
1
3
8
Q1600
(REG.X SW+5.8V)
4
3
2
1
Q1200
4
3
2
1
Q1220
(FEED BACK)
1
2
3
IC1200
(ERROR VOLTAGE DET.)
3
4
2
IC1201
COLD
HOT
POWER P.C.B.
8
12
7
1
2
7
6
Vin
V5
FET
Gate
Drive
GND
IC1730
(DC/DC CONVERTER)
8
Current
Sense
FET
D
S
G
1
2
5
6
Q1730
(REG.X SW+5.8V)
4
3
GND
CURRENT
SENSE
FET
GATE
DRIVE
MAIN P.C.B.
P1102
P1501
1
P7402
P59001
25
FROM DIGITAL P.C.B.
TIMER BLOCK SECTION
(ERROR VOLTAGE DET.)
(FEED BACK)
DMR-EH49A, EH59A, EX79A
Main P.C.B. Power Supply Block Diagram (1/2)
Q1160
(POWER CONT.)
D1151
D1160
D1161
2
1
3
4
9
5
IC1150
(SWITCHING)
VCC
GND
Z/C
F/B
7
VIN
D1152
D1156
S3. Block Diagram
S-5
DMR-EH49A, EH59A, EX79A
Main P.C.B. Power Supply Block Diagram (2/2)
FET
D
S
G
Q1501
(DR+5V OUT)
1
4
2
5
6
3
H
PS+5V
GND
BOOSTER+5V
AU+5V
AU+5V
L
I/O P SAVE
IC3001- 36
PS+11.6V
IC3001- 46
(REG. AU+5V)
IC4001
VOUT
VIN
5
2
:ON
H :ON
3
4
GND
DR+5V
(REG.DR+5V)
IC1506
VOUT
VIN
4
3
1
2
GND
CONT
(REG.+3.3V)
IC7303
VIN
5
2
3
1
GND
H :ON
(REG.+1.5V)
IC7304
VOUT
VIN
5
2
3
4
GND
IC1501
(VOLT DET.)
VOUT
VCC
1
3
2
GND
94
84
42
IC3001-        /        /
(REG. BOOSTER+5V)
IC3002
VOUT
CONT
5
2
3
GND
1 VIN
5
6
10
1
IC7301-
/
13
/
/
/
/
/
20 21
28
/
35
/
30
23
IC7301-        /
40
25
8
6
IC3001-        /       /        / 
(REG. PS+5V)
IC3003
VOUT
VIN
5
3
2
1
CONT
MAIN P.C.B.
E
C
A
B
D
IC7302
5
4
VIN
OUT
(RESET)
34
IC7301-
4
P1503
TO HDD
1
P1503
DR+5V
DR+12V
DR P ON
QR1503
( H
: ON)
P59001
P7402
56,58
P59001
P7402
48,50
P59001
P7402
66,68,70,72
P59001
P7402
53
P59001
P7402
29
P59001
P7402
62,64
P59001
P7402
38
Q7801, QR7801
X SW +3.8V
TU P ON
TO U/V TUNER
D+3.8V
TO U/V TUNER
H
PS +11.6V
IC4002
VOUT
VIN
3
5
:ON
2
1
GND
FROM DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
FROM DIGITAL P.C.B.
TO DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
HDD P FAIL
IC7802
(5V REGULATOR)
4
3
5
+5V
P59001
P7402
36
(REG. AU+11.6V)
VOUT
TO DIGITAL P.C.B.
TO DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
TO DIGITAL P.C.B.
P59001
P7402
34
TO U/V TUNER
VOUT
VIN
:ON
H
VOUT
(REG. ACTIV+5V)
IC7801
VIN
5
3
6
2
GND
CONT
3
IC7501-
GND
(REG.D+3.3V)
IC7803
VIN
3
2
5
1
VOUT
H :ON
PS90002
P7802
6,7
TO
BACKEND P.C.B.
PS90002
P7802
9
TO
BACKEND P.C.B.
DR+5V
(EX79EGA Only)
(for EX79A )
(Except EX79EBA)
FROM /TO FROM MAIN P.C.B.
ANAROG AUDIO BLOCK SECTION 
AND
ANAROG VIDEO BLOCK SECTION
TO U/V TUNER
S3.1.2. Main P.C.B. Power Supply Block Diagram (2)
S-6
(SW17C)
a
b
(SW17V)
a
b
(SW17Y)
a
b
P7402 P59001
27
P7402 P59001
21
P7402 P59001
23
P7402 P59001
49
P7402 P59001
51
V/Y IN DM
CPN CIN DM
MAIN P.C.B.
:PB SIGNAL
:REC SIGNAL
CLAMP
V
TUNER
30
INTERLACE
PROGRESSIVE/
VIDEO OUT
COMPONENT
Y
PB
PR
CR
CB
Y
1
4
JK3006
3
2
RED/C
15
VIDEO/Y
19
GREEN
11
(TV)
AV1
BLUE
7
21PIN JACK
JK3901
OUT
C
Y
V
S-VIDEO
JK3004
3
4
OUT
VIDEO OUT
JK3003
1
4
(DECODER/EXT)
AV2
VIDEO
19
21PIN JACK
JK3901
TU7801
(U/V TUNER)
17 OUT
VIDEO
TU7802
(U/V TUNER)
17 OUT
VIDEO
DIGITAL P.C.B.
TO
P59001
P7402
79
83
P7402 P59001
P59001
P7402
87
84
P7402 P59001
P59001
P7402
80
88
P7402 P59001
LOGIC
IIC BUS
SDA
89
SCL
88
FROM/TO
DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
(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
SAG
V
24
23
a
b
(SW8)
OUT
C
22
(SW7)
a
b
OUT
Y
20
19
OUT
G
AV1
Y SAG
(COM)
Y SAG
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
(VIDEO PROCESSOR)
IC3001
OUT
R-Y
COMP
7
(SW2)
a
b
c
(SW1)
12MHz
6MHz
CLAMP
BIAS
CLAMP/
CLAMP
BIAS
CLAMP/
+
LPF
6MHz
CLAMP
BPF
6MHz
BIAS
ENC C IN
ENC Y IN
ENC G/Y IN
ENC R/R-Y IN
ENC B/B-Y IN
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
>
<
R
G
B
C
PS
V
>
<
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
JK3001
FRONT JACK
AV3
JK3002
FRONT JACK
41
2
1
4
3
2
5
1
4
3
33
99
97
95
93
91
AV1 VIDEO
(TV)
AV1
20
21 PIN JACK
JK3901
FROM
DIGITAL P.C.B.
BPBOUT DM
GPYOUT DM
RPROUT DM
Y OUT DM
C OUT DM
P59001
75
P7402
P7402
P59001
71
67
P59001 P7402
59
P59001 P7402
63
P7402
P59001
< R >
< B >
< RGB CPSV >
< G >
AV4 V
AV4 Y
AV4 C
35
39
43
AV4 V
AV4 Y
AV4 C
CLAMP
BIAS
CLAMP
DMR-EH49A, EH59A, EX79A
Main P.C.B. Analog Video Block Diagram
C SYNC OUT 86
V SYNC OUT 82
(for EH49A,EH59A)
(for EX79A)
S3.2. Main P.C.B. Analog Video Block Diagram
S-7
59
AV4 L IN
AV4 R IN
51
DMR-EH49A, EH59A, EX79A
Main P.C.B. Analog Audio Block Diagram
OUT
(SA4L)
SELECT SWITCH
OUTPUT
AV2
(DECODER/EXT)
(TV)
AV1
:PB SIGNAL
:REC SIGNAL
IEC OUT
1
(DIGITAL AUDIO OUT)
OPTICAL
JK4901
P59001 P7402
74
G AADC L
G AADC R
AUDIO OUT Ch1(L)
AUDIO OUT Ch2(R)
MIX L OUT2
MIX R OUT2
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
REAR JACK
JK3003
(R)
LINE OUT
(L)
LINE OUT
2
1
3
FROM DIGITAL P.C.B.
ANALOG TIMER BLOCK SECTION
P7402
35
P59001
P7402
P59001
33
(DECEODER/EXT)
AV2
1
3
(TV)
AV1
3
1
21 PIN JACK
JK3901
LOGIC
IIC BUS
SDA
89
88
SCL
71
55
63
AV1 L OUT
DT RIN
DT LIN
78
73
74
79
OUT R
AV1 R OUT
AV2 R OUT
AV2 L OUT
OUT L
72
LPF
BUFF.
MUTE
AGC
AMP
ADC Lch
LPF
BUFF.
MUTE
LPF
BUFF.
MUTE
d
c
b
a
MUTE
BUFF.
LPF
AMP
ADC Rch
AGC
U/V TUNER
TU7801
SIF OUT 6
(NICAM/A2)
IC7301
SIF
L OUT
R OUT
12
7
18
TULIN
62
54
TURIN
(SA18L)
BUFF.
e
d
c
b
a
(SA1L)
e
d
c
b
a
(SA3L)
e
d
c
b
a
(SA2L)
58
AV3 LIN
(FRONT)
AV3
FRONT INPUT JACK
JK3002
AUDIO
(Lch/MONO)
LINE
(Rch)
LINE
3
4
5
6
7
d
c
b
a
(SA4R)
SELECT SWITCH
OUTPUT
AV3 RIN
50
(SA18R)
BUFF.
e
d
c
b
a
(SA2R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
21 PIN JACK
JK3901
6
2
6
2
AV2 LIN
61
AV2 RIN
53
AV1 LIN
AV1 RIN
DALIN
DARIN
60
52
e
d
c
b
a
(SA3R)
e
d
c
b
a
(SA1R)
(AUDIO SIGNAL PROCESSOR)
IC3001
64
56
Q4004
D4002
Q4003
MUTE
MUTE
D4001
Q4002
Q4001
MUTE
MUTE
(BUFFER)
IC4003, IC4004
6
7
1
2
MIX L OUT DM
MIX R OUT DM
A MUTE
FROM
DIGITAL P.C.B.
BACK END SECTION
FROM
DIGITAL P.C.B.
ANALOG TIMER SECTION
BOOSTER+5V
P59001 P7402
41
43
P7402
P59001
(AUDIO MUTE DRIVE)
QR4001
MAIN P.C.B.
AV4
TUN
AV4
TUN
TU7802
SIF OUT 7
P59001 P7402
45
P59001
P7402
49
P59001
P7402
51
FROM
DIGITAL P.C.B.
BACK END SECTION
TO
DIGITAL P.C.B.
BACK END SECTION
(SA17R)
76
RF OUT
MUTE
VCA
+
MIX
(SA17L)
FROM
BACKEND P.C.B.
PS90001
P7801
3
PS90001
P7801
1
(for EX79ECA/EGA/EPA/EFA)
(for EH49A, EH59A)
(Except EX79EBA)
U/V TUNER
(Except EH49A)
S3.3. Main P.C.B. Analog Audio Block Diagram
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