Panasonic DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA Service Manual ▷ View online
11 Block Diagram
11.1. Power Supply Block Diagram
H
H
H
H
TIMER +5V
UNREG +38V
8
IC7503-
D7506
TO
U/V
TUNER
U/V
TUNER
A
B
C
D
F
E
X SW+3.3V
X SW+3.8V
IC7501- 16
(X SW+3.3V OUT)
Q1502
DI P ON
IC7501- 44
IC7501- 44
SECTION
TIMER
FROM
14,15
P1501
P1102
X SW+3.8V
1,2,3
P1501
P1102
X SW+5.8V
9,10,11,12
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
IC3001- ,IC4009- ,IC4012-
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
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,L1121
D1140,C1143
RECTIFIER
T1150
POWER
SWITCHING
TRANSFORMER
POWER
SWITCHING
TRANSFORMER
6
P1
2
1
3
4
9
5
IC1150
(SWITCHING IC)
VCC
GND
Z/C
F/B
4
2
1
P2
B1
B2
7
VIN
G
G
NS12
NS12
8
11
1
2
7
6
Vin
V5
FET
Gate
Drive
Gate
Drive
GND
IC1601
(DC/DC CONVERTER)
FET
D
S
G
4
3
1
2
5
6
Q1601
(REG.X SW+5.8V)
(REG.X SW+5.8V)
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-ES18EE/GC/GCA/GCS
Power Supply Block Diagram (1/2)
Power Supply Block Diagram (1/2)
8
Current
Sense
Sense
12
7
DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA
37
H
H
H
L
L
X SW+5.8V
TU REG.+5V
PS+5V
GND
BOOSTER+5V
AU+5V
TU P ON
IC7501- 43
IC7501- 43
SECTION
TIMER
FROM
(REG.AU+5V)
IC4001
VOUT
VIN
5
2
:ON
H :ON
3
4
GND
DR+5V
X SW+3.8V
(REG.DR+5V)
IC1506
VOUT
VIN
4
3
1
2
GND
CONT
(REG.+3.3V)
IC7303
VOUT
VIN
5
2
3
1
GND
H :ON
(REG.+1.5V)
IC7304
VOUT
VIN
5
2
3
4
GND
(REG.+5V)
IC1510
VOUT
VIN
5
2
:ON
3
4
GND
94
84
42
IC3001- / /
TO
U/V
TUNER
U/V
TUNER
(REG.BOOSTER+5V)
IC7402
VOUT
CONT
5
2
3
GND
1 VIN
IC7501- 12
IC7701- 3 ,IC7504- ,
13
43
90
99
62
IC7501- / /
5
6
10
1
IC7301- / /
/
13
/
20
/
21
/
28
/
35
/
30
23
IC7301- /
73
IC7501-
2
IC4901-
RESET
P FAIL
X SW+5V
X SW+5V
7
(REG.X SW+5V/RESET)
IC7503
RESET
5V DETOUT
XSW5VOUT
VOUT
VIN
1
GND
40
25
8
6
IC3001- / / /
(REG.PS+5V)
IC7403
VOUT
VIN
5
3
2
1
CONT
MAIN P.C.B.
DR+12V
A
B
C
D
F
E
DMR-ES18EE/GC/GCA/GCS
Power Supply Block Diagram (2/2)
Power Supply Block Diagram (2/2)
IC7302
1
4
VIN
OUT
(RESET)
34
IC7301-
TO
U/V
TUNER
U/V
TUNER
IC7404-
D+3.8V
60,62
P7402
P59001
D+3.3V
XSW+5.8V
52
P7402
P59001
34
P7402
P59001
ANA+5V
76
P7402
P59001
X SW+12V
64,66,68,70,72,74
P59001
P7402
POWER OFF
30
P59001
P7402
TO
DIGITAL
P.C.B.
DIGITAL
P.C.B.
TO
DIGITAL
P.C.B.
DIGITAL
P.C.B.
TO/FROM
DIGITAL
P.C.B.
DIGITAL
P.C.B.
25
AU+5V
P59001
P7402
14,16
P59001
P7402
22,24
DR+5V
P59001
P7402
L
8
8
6
4
5
DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA
38
11.2. Analog Video Block Diagram
(SW17C)
a
b
(SW17V)
a
b
(SW17Y)
a
b
14
15
JK3001
REAR JACK
REAR JACK
AV4
VIDEO
IN
IN
4
3
1
2
4
3
S-VIDEO IN
JK3001
S-VIDEO
S-VIDEO
AV4
Y
C
AV4 V
AV4 Y
AV4 C
35
39
43
AV4 V
AV4 Y
AV4 C
CLAMP
BIAS
CLAMP
AV4 V
AV4 Y
AV4 C
AV4 Y
AV4 C
DMR-ES18EE/GC/GCA/GCS
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
1
4
JK3903
3
2
RED/C
15
VIDEO/Y
19
GREEN
11
(TV)
AV1
BLUE
7
21PIN JACK
JK3901
OUT
C
Y
S-VIDEO
JK3001
9
10
OUT
VIDEO OUT
JK3001
15
13
(DECODER/EXT)
AV2
VIDEO
19
21PIN JACK
JK3901
U/V TUNER
TU7802
17
OUT
VIDEO
DIGITAL P.C.B.
TO
P59001
P7402
71
75
P7402
P59001
P59001
P7402
84
LOGIC
IIC BUS
SDA
89
SCL
88
SECTION
TIMER
FROM/TO
IIC DATA
IC7501- 30
IC7501- 30
29
IC7501-
IIC CLK
(SW10)
CLAMP
CLAMP
CLAMP
CLAMP
BIAS
CLAMP
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
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
< RGB CPSV >
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
JK3003
FRONT JACK
FRONT JACK
AV3
JK3002
FRONT JACK
FRONT JACK
41
2
1
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.
BPBOUT DM
GPYOUT DM
RPROUT DM
Y OUT DM
C OUT DM
P59001
67
P7402
P7402
P59001
63
59
P59001
P7402
51
P59001
P7402
55
P7402
P59001
< RGB CPSV >
DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA
39
11.3. Analog Audio Block Diagram
59
AV4 L IN
REAR JACK
JK3001
AUDIO
AV4
L IN
L IN
AV4
R IN
R IN
18
17
21
20
AV4 R IN
51
DMR-ES18EE/GC/GCA/GCS
Analog Audio Block Diagram
Analog Audio Block Diagram
OUT
(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
44
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
31
P59001
P7402
P59001
29
(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
U/V TUNER
TU7802
SIF OUT 6
(NICAM/A2)
IC7301
SIF
L OUT
R OUT
12
7
18
TUN Lch
62
54
TUN Rch
(SA18L)
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
3
4
5
6
7
d
c
b
a
(SA4R)
SELECT SWITCH
OUTPUT
AV3 Rch
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 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
39
41
P7402
P59001
16
IC54402-
XDMUTE
P.C.B.
DIGITAL
FROM
Q54401,
Q4060
Q4060
DRIVE
XDMUTE
(AUDIO MUTE DRIVE)
QR4002
SECTION
TIMER
FROM
65
IC7501-
XTMUTE
MAIN P.C.B.
AV4
TUN
AV4
TUN
(REAR)
AV4
DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA
40
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