Panasonic DMR-EH68EC / DMR-EH68EP / DMR-EH685EG Service Manual ▷ View online
12.5. Main Net (3/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M)
VWJ0795=27.5
K1502
$[VWJ0795=5]
K1501
67
5
2
43
8
1
Q1509
B1DHED000008
R1510
11K[D]
C1524
F2A1A101A389
R1507
QR1503
*
C1529
*
R1505
*
C1526
*
1
2
56
3
4
*
Q1501
C1527
*
R1506
*
C1517
$[F1H1A105A028]
L1505
*
C1516
39K[D]
R1509
1500[D]
R1511
C1525
0.1
2
4
1
3
5
C0DAEYH00002
IC1506
F2A1A470A388
C1523
$(3300)
R1521
F2A1E1010067
C1541
$[F1K1C106A062]
C1544
C1528
F1K1C105A026
R1518
ERJ3GEYJ223V
R1519
ERJ3GEYJ223V
C1514
*
*
C1507
LB1505
*
R1502
K7401
$[VWJ0795=5]
*
R7404
*
R7403
C1521
*
C1548
*
*
LB1501
CL1503
C1549
*
*
R1508
*
R1512
*
R1504
C1515
*
C1519
*
5
IC
1
2
4
3
IC1502
*
QR1501
UNR521300L
P_OFF_L
C1506
*
HDD_PFAIL
CL1501
CL1502
DR_P_ON_H
2
1
4
3
P1503
TO HDD
*
3
1
2
4
5
IC1501
*
12
3
ZJ7401
K9ZZ00001279
NC
VCC
VOUT
GND
GND
SOURSE
BE_D3R3V
(PQ070XN02ZPH)
GATE
SOURSE
SOURSE
DR12V
AV T
T
DR5V
XSW3V_FAIL
(BD4746G-TR)
T
DR12V
DR_GND
DR_GND
GND
DRAIN
S
G
D
D
D
D
DRAIN
DRAIN
DRAIN
VIN
DR5V
VOUT
ON[H]
SENSE
(UPA1717-G-E1-A)
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
NOTE:PARTS INDICATED WITH "$" MARK ARE NOT MOUNTED.
9
10
11
12
12
13
14
15
16
A
B
C
D
E
F
G
H
I
J
K
L
Main Net (3/4) Section (Main P.C.B. (1/4))
Schematic Diagram (M)
Schematic Diagram (M)
DMR-EH68EC/EP,EH685EG
8
9
10
7
6
E
F
G
D
C
5
4
3
2
1
B
A
TO
MAIN NET SECTION
(1/4)
MAIN NET SECTION
(1/4)
LOCATION MAP
1/4
2/4
3/4
4/4
A
M:Main Net Section (Page: )
A
AV:AV I/O Section (Page: )
TU:Tuner Section (Page: )
TU:Tuner Section (Page: )
B
C
T:Timer Section (Page: )
D
DMR-EH68EC / DMR-EH68EP / DMR-EH685EG
57
12.6. Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M)
K7402
*
CL7409
CL7405
CL7408
CL7406
LB7405
J0JKB0000012
LB7409
$[J0JKB0000003]
J0JCC0000164
LB7420
J0JKB0000012
LB7406
LB7402
J0JKB0000012
C7409
*
C7449
*
L7401
G0A220GA0026
C7402
F2A0J1010063
C7403
0.1
C7410
*
CL7414
C7408
*
CL7413
R7410
0
J0JCC0000164
LB7411
J0JCC0000164
LB7412
J0JKB0000012
LB7404
R7412
4700
BE_3R3V
D3R3V
CL7410
R7414
4700
G_DIG_SCLK_A
G_DIG_CS_A
G_DIG_DATA_A
C7417
0.1
6
7
5
2
4
3
8
1
IC7404
C3EBFC000053
C3EBFC000047
LB7410
*
TL7401
LB7408
*
6
8
9
7
2
1
4
5
3
10
*
P7413
R7411
4700
G_UARTP2M_A
EPG_ON_H
ANA5V
G_R_C_IN_A
G_AV2_VIN_A
G_UARTM2P_A
D3R3V
G_IEC_OUT_A
LB7422
J0JDC0000092
L7402
VWJ0795=5
$
C7419
*
C7405
CL7425
J0JCC0000103
LB7421
G_RPROUT_D_A
G_BPBOUT_D_A
G_CIN_DM_A
G_G_IN_A
G_V_YIN_DM_A
G_GPYOUT_D_A
G_MIXLOUT_A
G_MIXROUT_A
XMPREQ
AU_5V
G_SCLK_A
XINTM
2
3
1
5
4
*
P7401
XINTP
G_SBMTP_A
G_SBPTM_A
G_AADC_R_A
AU_GND
XDMUTE
G_AADC_L_A
K7404
*
K7403
*
K7405
*
G_COUT_DM_A
G_YOUT_DM_A
G_B_IN_A
LB7419
J0JCC0000103
2
3
1
*
ZJ7406
2
3
1
K9ZZ00001279
ZJ7405
LB7403
J0JHC0000032
C7411
$[F1H1A105A028]
CL7402
J0JCC0000103
LB7417
J0JCC0000103
LB7418
J0JCC0000103
LB7415
C1513
$[F1H1A105A028]
C1547
$[F1K1C105A026]
LB7407
VWJ0795=5
L1504
G0A220GA0026
CL7404
VWJ0795=15
K1503
CL7411
6
8
9
7
2
1
4
5
3
10
11
*
P7412
C7414
$[F1K1C105A026]
C7415
F1K1C105A026
G_DT_IN_R_A
G_DT_C_IN_A
G_TUIFOUT1_A
G_TU_IFAGC_A
G_TUIFOUT2_A
G_DT_Y_IN_A
G_DT_IN_L_A
CL7403
2
6
8
4
1
7
9
15
13
25
29
43
41
39
51
49
61
57
59
67
65
73
77
81
85
87
83
79
75
69
71
63
53
55
45
47
31
33
37
35
27
19
17
23
21
11
3
5
16
14
22
20
30
44
42
38
40
52
50
60
58
68
66
74
78
82
86
88
84
80
76
70
72
62
64
54
56
46
48
32
34
36
24
28
26
18
10
12
TO P59001
DIGITAL P.C.B.
(D NET/AUDIO SECTION)
P7402
K1KA88A00002
CL7412
VWJ0795=5
LB7401
LB7416
J0JCC0000164
R7408
0
LB7413
J0JCC0000164
LB7414
J0JCC0000164
K7406
VWJ0795=27.5
AV
AV
TU
AV
TU
TU
AV
T
T
T
HDDK1
SPACER
HDMIK1
ZB7401
*
ZS1504
*
T_CLK
GND
GND
AGND
AGND
AGND
AGND
T_CS
D3R3V
IF AGC
D3R3V
T
T
T_DATA
PS11R6V
ASCO_TXD
DEC AUD L
DEC Y OUT
DEC C OUT
IF OUT[+]
IF OUT[-]
DEC AUD R
ASCO_RXD
(TO BACK END PACK)
ZS1502
VFV0164
ZS1503
*
ZS1501
*
CPPMK1
CPRMK1
05R-FJ(LF)(SN)
DGND
TPA-
TPA+
TPB+
TPB-
DGND
AV
AV
AV
T
AV
AV
AV
AV
DGND
DGND
DGND
DGND
DGND
AU5V
SBMTP
AUGND
AUGND
AUGND
XMPREQ
AADC_L
AADC_R
XDMUTE
SBPTM
DGND
DGND
DGND
YOUT_DM
/VE
VCC
SDA
SCL
UARTP2M
CSYNC_IN
X_SW_5R8V
UARTM2P
DGND
D3R8V
X_SW_12V
X_SW_12V
ANA3R3V
EPG_ON_H
D3R8V
COUT_DM
NC
NC
VSS
NC
or
RPROUT_DM
GPYOUT_DM
DR5V
DRGND
MIXROUT_DM
MIXLOUT_DM
SBI0
D3R3V
STA2M
I2C5DT
IECOUT
SBO0
I2C5CK
P_OFF_L
X_SW_3V
DR5V
STM2A
AV
DGND
R_IN
DGND
B_IN
DGND
XDIAG
RGB_CPSVIN
DGND
BS_ON
G_IN
T
T
T
AV
AV
AV
AV
AV
AV
AV
AV
AV
AV
DGND
X_SW_12V
X_SW_12V
X_SW_12V
DGND
DGND
X_SW_12V
ANA5V
DGND
BPBOUT_DM
V_YIN_DM
CPNCIN_DM
AV
AV
AV
DGND
DGND
DGND
DR12V
DGND
DGND
DGND
SCLK
DRGND
DR12V
XINTP
XINTM
T
T
T
T
T
TPA-
TPA+
GND
TPB-
TPB+
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
NOTE:PARTS INDICATED WITH "$" MARK ARE NOT MOUNTED.
9
10
11
12
12
13
14
15
16
M
N
O
P
Q
R
Main Net (4/4) Section (Main P.C.B. (1/4))
Schematic Diagram (M)
Schematic Diagram (M)
DMR-EH68EC/EP,EH685EG
18
19
20
17
16
15
14
13
12
11
TO
MAIN NET SECTION
(2/4)
MAIN NET SECTION
(2/4)
LOCATION MAP
1/4
2/4
3/4
4/4
A
M:Main Net Section (Page: )
A
AV:AV I/O Section (Page: )
TU:Tuner Section (Page: )
TU:Tuner Section (Page: )
B
C
T:Timer Section (Page: )
D
DMR-EH68EC / DMR-EH68EP / DMR-EH685EG
58
PROTECTION
4
ON/OFF
DRIVE
5
3
1
2
REG.
AMP
VREF
VIN
VOUT
ON: H
GND
SENSE
H
GND
SENSE
VOUT
ON
VIN
1
2
3
4
5
IC
H
VIN
VOUT
NR
GND
:ON
4
2
3
1
5
IC
H
VIN
VOUT
NR
GND
:ON
4
2
3
1
5
IC
3
ON/OFF
5
1
GND
2
IC
4
VIN
VOUT
ADJ
GND
VCC
OUT
4
2
GND
3
5
Vref
+
-
IC1506
DR +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
DR +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC1510
TU +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
TU +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC7401
PS +11.6V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
PS +11.6V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC1501
RESET
IC-DETAIL BLOCK DIAGRAM
RESET
IC-DETAIL BLOCK DIAGRAM
IC7403
PS +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
PS +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC7402
BOOSTER +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
BOOSTER +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC1501
Detail Block Diagram
IC1506
Detail Block Diagram
IC1510
Detail Block Diagram
IC7401
Detail Block Diagram
IC7402
Detail Block Diagram
IC7403
Detail Block Diagram
DMR-EH68EC/EP,EH685EG IC-Detail Block Diagram
DMR-EH68EC / DMR-EH68EP / DMR-EH685EG
59
12.7. AV I/O (1/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV)
P_OFF_L
AU_5V
3
1
2
4
5
IC4001
C0DBAHD00013
C4059
ECQV1H104JL3
C4092
*
2SD132800L
Q4007
R4071
47K
R4078
2700
R4079
2700
ECJ1VF1C104Z
C4065
3
1
2
D4005
MA3Z142D0LG
B0ADCH000007
33P[22]
C4060
R4076
820
C4063
R4088
2700
2SD132800L
Q4008
C4082
ECJ2VC1H102J
R4077
100
2SD132800L
Q4006
R4090
120
G_MIXLOUT_A
D0HB153ZA002
R4055
C4033
*
R4046
D0HB912ZA002
R4093
120
AU_GND
X_SW_5R8V_AV
C4061
ECJ1VF1C104Z
ECJ1VF1C104Z
C4064
0.1[ZF]
C4055
*
C4056
47K
R4074
R4080
100
R4081
820
6
7
5
2
4
3
8
1
IC4009
C0ABBB000216
D0HB912ZA002
R4047
33P[22]
C4057
D0HB153ZA002
R4057
G_MIXROUT_A
C4034
*
R4089
2700
2SD132800L
Q4009
C4083
ECJ2VC1H102J
3
1
2
D4006
MA3Z142D0LG
B0ADCH000007
D0HB103ZA002
R4066
C4062
*
UNR511100L
QR4002
R4067
D0HB103ZA002
D3R3V
XTMUTE
XDMUTE
PS_11R6V
R4102
10K
R4104
22K
2SD1819A0L
Q4060
D4001
$[MA2C165001VT]
47K
R4105
6
7
5
2
4
3
8
1
IC4012
C0ABBB000230
C4070
*
*
C4072
M
or
IN1+
VEE
IN1-
IN2+
VEE
(UNR5111-TX)
VO1
VCC
IN1-
VO2
IN1+
IN2-
(2SD1328-TX)
M
M
T
M
M
M
M
M
M
VO1
VOUT
VIN
NR
(PQ1L503M2SPQ)
ON[H]
GND
or
(2SD1328-TX)
IN2-
VCC
VO2
IN2+
(2SD1328-TX)
(2SD1328-TX)
A
1
2
2
3
4
4
5
6
7
9
8
10
8
9
10
7
6
L
M
N
K
J
5
4
3
2
1
I
H
AV I/O (1/4) Section (Main P.C.B. (2/4))
Schematic Diagram (AV)
Schematic Diagram (AV)
LOCATION MAP
1/4
2/4
3/4
4/4
TO
AV I/O SECTION
(3/4)
AV I/O SECTION
(3/4)
B
DMR-EH68EC/EP,EH685EG
M:Main Net Section (Page: )
A
AV:AV I/O Section (Page: )
TU:Tuner Section (Page: )
TU:Tuner Section (Page: )
B
C
T:Timer Section (Page: )
D
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
NOTE:PARTS INDICATED WITH "$" MARK ARE NOT MOUNTED.
DMR-EH68EC / DMR-EH68EP / DMR-EH685EG
60
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