Panasonic DMR-EH65EE / DMR-EH65GC / DMR-EH65GCS / DMR-EH65GN Service Manual ▷ View online
12 Block Diagram
12.1. Power Supply Block Diagram
H
H
H
H
RESET +5.2V
UNREG +38V
1
IC7505-
D7506
C
A
B
D
E
F
H
G
ANA+3.3V
X SW+3.3V
X SW+3.8V
IC7501- 16
(REG.X SW+3.3V)
IC1505
VOUT
VIN
5
2
1
GND
3 CONT
(REG.ANA+3.3V)
IC1521
VOUT
VIN
1
4
5
8
GND CONT
DI P ON
IC7501- 44
IC7501- 44
SECTION
TIMER
FROM
16,17,19
P1501
P1102
X SW+3.8V
3,4,5,6
P1501
P1102
X SW+5.8V
12,13,14,15
P1501
P1102
X SW+12V
TRANSFORMER
POWER SWITCHING
DISPLAY HEATER
T7501
7
1
IP1501
2
1
IP7501
2
1
PS+11.6V
8
8
46
8
IC3001- ,IC4009- ,IC4012-
IC7507-
PWR SAVE :ON
IC7501- 79
IC7501- 79
SECTION
TIMER
FROM
( :ON)
QR7401
(REG.PS+11.6V)
IC7401
VOUT
VIN
3
5
:ON
2
2
1
GND
H
H
DR+12V
DR P ON
IC7501- 42
IC7501- 42
SECTION
TIMER
FROM
( :ON)
QR1501
E
FET
D
S
G
Q1509
(DR+12V OUT)
(DR+12V OUT)
1
2
3
5
6
7
8
4
AC INLET
P1101
P1101
SURGE
SUPPRESSOR
AND
SURGE
ABSORBER
SUPPRESSOR
AND
SURGE
ABSORBER
F1101
VA1110,L1120
D1140,C1143
RECTIFIER
T1150
POWER
SWITCHING
TRANSFORMER
POWER
SWITCHING
TRANSFORMER
12
P1
2
1
3
4
9
5
IC1150
(SWITCHING IC)
VCC
GND
Z/C
F/B
10
8
7
P2
V2
V1
7
VIN
S2B
S2A
S1A
S1B
2
3
4
5
1
3
2
D1270
2
1
IP1601
SWITCHING
QR1800,QR1801
1
2
7
6
Vin
PW
ON
ON
FET
Gate
Drive
Gate
Drive
GND
IC1601
(DC/DC CONVERTER)
FET
D
S
G
2
4
5
6
7
1
3
8
Q1600
(REG.X SW+5.8V)
(REG.X SW+5.8V)
FET
D
S
G
Q1700
(REG.X SW+3.8V)
(REG.X SW+3.8V)
4
3
1
2
5
6
1
2
7
(DC/DC CONVERTER)
6
Vin
IC1701
GND
PW
ON
ON
FET
Gate
Drive
Gate
Drive
4
3
2
1
Q1200
(FEED BACK)
(FEED BACK)
1
2
3
IC1200
(ERROR VOLTAGE DET.)
COLD
HOT
POWER P.C.B.
MAIN P.C.B.
DMR-EH65EE/GC/GCS/GN
Power Supply Block Diagram
Power Supply Block Diagram
8
Current
Sense
Sense
8
Current
Sense
Sense
DMR-EH65EE / DMR-EH65GC / DMR-EH65GCS / DMR-EH65GN
45
FET
D
S
G
Q1501
(DR+5V OUT)
(DR+5V OUT)
1
2
3
5
6
7
8
4
H
H
H
L
L
X SW+5.8V
JC REG.+5V
PS+5V
GND
BOOSTER+5V
AU+5V
ANA+5V
TU P ON
IC7501- 43
IC7501- 43
SECTION
TIMER
FROM
(REG.AU+5V)
IC4011
VOUT
VIN
5
2
:ON
H :ON
3
4
GND
CONT
(REG.ANA+5V)
IC1520
VOUT
VIN
5
2
3
1
GND
DR+5V
X SW+3.8V
(REG.DR+5V)
IC1506
VOUT
VIN
4
3
1
2
GND
TUNER P.C.B.
U/V TUNER
TU7801
5V(VIF)
BTL+30V
5V(TUNER)
BOOSTER+B
17
16
7
1
K7810
(REG.+5V)
IC1510
VOUT
VIN
3
5
:ON
2
1
GND
3
10
17
PS7801
PS7801
PS7801
PP7401
PP7401
PP7401
94
84
42
IC3001- / /
(REG.BOOSTER+5V)
IC7402
VOUT
CONT
5
2
3
GND
1 VIN
IC7501- 12
IR7501- 3
90
99
62
IC7501- / /
73
IC7501-
2
IC4901-
RESET
P FAIL
IC7502
OUT
(RESET)
VDD
4
5
(RESET)
IC7505
OUT
VDD
1
2
D7509
4
1
3
2
X SW+5.2V
CONT
5
(REG.X SW+5.2V)
IC1507
VOUT
VIN
1
4
8
GND
40
25
8
6
IC3001- / / /
(REG.PS+5V)
IC7403
VOUT
VIN
1
5
4
8
CONT
DIGITAL P.C.B.
MAIN P.C.B.
BOOTHER+5V
JC REG+5V
UNREG+38V
DR+12V
A
B
D
E
F
H
G
DMR-EH65EE/GC/GCS/GN
Power Supply Block Diagram
Power Supply Block Diagram
DMR-EH65EE/GC/GCS/GN
Power Supply Block Diagram
Power Supply Block Diagram
35
Except(EG)
6
3
IC7301- / /
IC7302
1
3
VDD
OUT
(RESET)
26
IC7301-
FB
S
CS
EXT
D
2
6
5
1
G
3
Q59501
(REG.D+12V)
4
8
ON/OFF 2
5
7
VIN
1
IC59501
(DC-DC CONVERTER)
IC50001/IC53003/IC53202/
IC53203(+5V)
IC53203(+5V)
IC50001/IC53001/IC53003/IC57001(+3.3V)
VIN
1
2
3
VOUT
(REG.D+3.3V)
IC50001/IC55004/I
C55006/IC57001(+3.3V)
C55006/IC57001(+3.3V)
Q7513-
IC50001/IC50002/
IC50004(+3.3V)
IC50004(+3.3V)
(+12V)
IC59504
ON
D+3.8V
60,62
P7402
P59001
ANA+3.3V
D+3.3V
56
P7402
P59001
42
P7402
P59001
34
P7402
P59001
52
P7402
P59001
ANA+5V
76
P7402
P59001
D+12V
64,66,68,70,72,74
P59001
P7402
POWER OFF
30
P59001
P7402
4
P1103
TO HDD
1
P1103
25
AU+5V
DR+5V
DR+12V
IC54402/IC54404(+5V)
P59001
P7402
14,16
P59001
P7402
IC7501- 98
2
IP50001
1
QR59501,
59502
59502
IC50003(+12V)
22,24
DR+5V
P59001
P7402
2
IP50002
1
IC50002/IC50003(+5V)
L
POWER OFF 3
L
G
H
VIN
8
5
1
VOUT
(REG.D+3.3V)
IC59506
ON H
IC53702(+2.5V)
VIN
1
3
5
VOUT
(REG.ANA+2.5V)
IC59502
CONT
IC53702(+1.5V)
VIN
1
3
5
VOUT
(REG.D+1.5V)
IC59503
CONT
IC50001/IC53202/
IC53203(+2.5V)
IC53203(+2.5V)
VIN
1
2
3
VOUT
(REG.D+2.5V)
IC59505
ON H
L
(HDD PFAIL OUT)
IC1522
3
2
4
5
VOUT
VCC
+
-
Vref
H
DR P ON
IC7501- 42
IC7501- 42
SECTION
TIMER
FROM
L
HDD PFAIL
IC7501- 40
IC7501- 40
QR1503
H
( :ON)
C
DMR-EH65EE / DMR-EH65GC / DMR-EH65GCS / DMR-EH65GN
46
12.2. Analog Video Block Diagram
DMR-EH65EE/GC/GCS/GN
Analog Video Block Diagram
Analog Video Block Diagram
V/Y IN DM
CPN CIN 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
5
6
JK3903
4
2
1
3
RED/C
15
VIDEO/Y
19
GREEN
11
(TV)
AV1
BLUE
7
21PIN JACK
JK3801
AV4
C
Y
S-VIDEO
JK3001
9
10
AV4
VIDEO OUT
JK3001
15
13
(DECODER/EXT)
AV2
VIDEO
19
21PIN JACK
JK3901
TUNER P.C.B.
U/V TUNER
TU7801
18
OUT
VIDEO
Q7802
BUFFER
DIGITAL P.C.B.
TO
PP7401 PS7801
2
P59001
P7402
59
63
P7402
P59001
P59001
P7402
83
88
P7402
P59001
P59001
P7402
84
87
P7402
P59001
LOGIC
IIC BUS
SDA
89
SCL
88
SECTION
TIMER
FROM/TO
IIC DATA
IC7501- 30
IC7501- 30
29
IC7501-
IIC CLK
B
Q7501,Q7503-
SLICER
(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
AV4
24
23
a
b
(SW8)
OUT
C
AV4
22
(SW7)
a
b
OUT
Y
AV4
20
19
OUT
G
AV1
17
6MHz
(SW5)
12MHz
a
b
c
b
c
15
OUT
Y
COMP
14
(SW6)
a
b
c
d
b
c
d
OUT
B
AV1
12
OUT
B-Y
COMP
11
6MHz
(SW4)
12MHz
a
b
c
b
c
d
OUT
R-C
AV1
9
(SW3)
a
b
c
b
c
(VIDEO PROCESSOR)
IC3001
OUT
R-Y
COMP
7
(SW2)
a
b
c
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
FRONT JACK
JK3002
41
8
7
4
3
2
1
4
3
33
99
97
95
93
91
AV1 VIDEO
(TV)
AV1
20
21 PIN JACK
JK3901
FROM
DIGITAL P.C.B.
DIGITAL P.C.B.
DIGITAL VIDEO
BLOCK SECTION
BLOCK SECTION
BPBOUT DM
GPYOUT DM
RPROUT DM
Y OUT DM
C OUT DM
P59001
55
P7402
P7402
P59001
51
47
P59001
P7402
39
P59001
P7402
43
P7402
P59001
DIGITAL VIDEO
BLOCK SECTION
BLOCK SECTION
14
15
35
JK3001
REAR JACK
REAR JACK
AV4
VIDEO
IN
IN
4
3
1
2
4
3
S-VIDEO IN
39
JK3001
S-VIDEO
S-VIDEO
AV4
43
Y
C
AV4 V
AV4 Y
AV4 C
AV4 V
AV4 Y
AV4 C
AV4 V
AV4 Y
AV4 C
AV4 Y
AV4 C
CLAMP
BIAS
CLAMP
< R >
< B >
< RGB CPSV >
< G >
DMR-EH65EE / DMR-EH65GC / DMR-EH65GCS / DMR-EH65GN
47
12.3. Analog Audio Block Diagram
DMR-EH65EE/GC/GCS/GN
Analog Audio Block Diagram
Analog Audio Block Diagram
AV4
(SA4L)
SELECT SWITCH
OUTPUT
AV2
(DECODER/EXT)
(TV)
AV1
1.0V
5V
2.3V
:PB SIGNAL
:REC SIGNAL
IEC OUT
1
(DIGITAL AUDIO OUT)
OPTICAL
IC4901
P.C.B.
DIGITAL
FROM
P59001
P7402
32
AADC L
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
JK3001
(R)
LINE OUT
(L)
LINE OUT
21
19
16
18
P.C.B.
DIGITAL
TO
P7402
19
P59001
P7402
P59001
17
(DECEODER/EXT)
AV2
1
3
(TV)
AV1
3
1
21 PIN JACK
JK3901
LOGIC
IIC BUS
SDA
89
88
SCL
SECTION
TIMER
FROM
30
IC7501-
IIC DATA
29
IC7501-
IIC CLK
71
AV1 Lch
78
ADC Lch
73
AV2 Lch
74
AV2 Rch
79
ADC Rch
AV1 Rch
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
MIX
+
VCA
MUTE
TUNER P.C.B.
(EC)ONLY
U/V TUNER
TU7801
RF OUT
76
SIF OUT
OUT
AUDIO
15
14
PS7801 PP7401
4
PS7801 PP7401
5
(NICAM/A2)
IC7301
SIF
IN
MONO
L OUT
R OUT
1
2
25
38
TUN Lch
62
54
TUN Rch
AV4
TUN
(SA5L)
BUFF.
e
d
c
b
a
(SA1L)
e
d
c
b
a
(SA3L)
e
d
c
b
a
(SA2L)
58
AV3 Lch
(FRONT)
AV3
FRONT INPUT JACK
JK3002
AUDIO
(Lch/MONO)
LINE
(Rch)
LINE
9
10
11
12
13
d
c
b
a
(SA4R)
SELECT SWITCH
OUTPUT
AV3 Rch
50
(SA5R)
TUN
AV4
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 Lch
61
AV2 Rch
53
AV1 Lch
AV1 Rch
DAC Lch
DAC Rch
60
52
e
d
c
b
a
(SA3R)
e
d
c
b
a
(SA1R)
(AUDIO SIGNAL PROCESSOR)
IC3001
64
56
Q4008
D4006
Q4009
MUTE
MUTE
D4005
Q4007
Q4006
MUTE
MUTE
(BUFFER)
IC4009
6
7
1
2
MIX L OUT DM
MIX R OUT DM
P.C.B.
DIGITAL
FROM
P59001
P7402
27
29
P7402
P59001
16
IC54402-
XDMUTE
P.C.B.
DIGITAL
FROM
QR4002-QR4004
CIRCUIT
MUTE
SECTION
TIMER
FROM
65
IC7501-
XTMUTE
DIGITAL AUDIO
BLOCK SECTION
BLOCK SECTION
DIGITAL AUDIO
BLOCK SECTION
BLOCK SECTION
MAIN P.C.B.
59
AV4 Lch
17
18
21
20
LINE
(Rch)
(Rch)
LINE
(Lch)
(Lch)
AUDIO
JK3001
REAR INPUT JACK
REAR INPUT JACK
AV4
(REAR)
AV4 Rch
51
DMR-EH65EE / DMR-EH65GC / DMR-EH65GCS / DMR-EH65GN
48
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