Panasonic DMR-EZ28P

12 Schematic Diagram
12.1. Interconnection Schematic Diagram
POWER
OPEN/CLOSE
Ref.No.3000,4000,4900,7400 SERIESA/V I/O
Power Supply
Circuit Name
Main P.C.B.
Timer Ref.No.7500 SERIES
Tuner Ref.No.7300,7800 SERIES
Ref.No.
Ref.No.1100,1200,1300 SERIES
P.C.B.Name
Ref.No.56000 SERIESMAIN CPU-2
MAIN CPU-1
Circuit Name
Digital P.C.B.
ATSC Demodu Ref.No.57000 SERIES
HDMI Ref.No.59000 SERIES
Ref.No.
Ref.No.55000 SERIES
P.C.B.Name
DIGITAL P.C.B.
MAIN P.C.B.
SD/USB P.C.B.
DV JACK P.C.B.
DVD DRIVE
FRONT(R) P.C.B.
FRONT(L) P.C.B.
SW P.C.B.
45
46
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
4
5
6
7
1
2
3
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
P55201
48
47
I2C5DT
TU SCL
I2C5CK
TU SDA (IR BRAS)
DGND
TU IF OUT1
RPROUT DM
DGND
DGND
TU IF OUT2
BPBOUT DM
DGND
DGND
TU IF AGC
GPYOUT DM
DGND
DGND
X SW 4V
YOUT DM
DGND
DGND
T1R5V
COUT DM
DGND
DGND
X SW 12V
V YIN DM
X SW 3R2V
XDMUTE
X SW 3R2V
CPNCIN DM
DGND
AU5V
DGND
AUGND
ANA3R3V
AADC_L
DGND
AADC_R
D3R3V
AUGND
D3R3V
MIXROUT DM
X SW 5R8V
MIXLOUT DM
UART2 TX
AUGND
SW5V
IECOUT
UART2 RX
XFWE
D5V
XMPREQ
D5V
SBPTM
HDMI P5 ON H
XINTP
HDMI CONT
SBMTP
HDMI MONI
XINTM
DI PON DL H
SCLK
DI PON H
I2C5DT
TU SCL
I2C5CK
TU SDA
DGND
TU IF OUT1
RPROUT DM
DGND
DGND
TU IF OUT2
BPBOUT DM
DGND
DGND
TU IF AGC
GPYOUT DM
DGND
DGND
X SW 4V
YOUT DM
DGND
DGND
T1R5V
COUT DM
DGND
DGND
X SW 12V
V YIN DM
X SW 3R2V
XDMUTE
X SW 3R2V
CPNCIN DM
DGND
AU5V
DGND
AUGND
ANA3R3V
AADC_L
DGND
AADC_R
D3R3V
AUGND
D3R3V
MIXROUT DM
X SW 6V
MIXLOUT DM
UART2 TX
AUGND
SW5V
IECOUT
UART2 RX
XFWE
D5V
XMPREQ
D5V
SBPTM
HDMI P5 ON H
XINTP
HDMI CONT
SBMTP
HDMI MONI
XINTM
DI PON DL H
SCLK
DI PON H
P7401
P1240
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
CSDASP NC1
CS1-
CS0-
DA2
DA0
DPDIAG-(C)
DA1
(RESERVED)
INTRQ
GND
DMACK-
CSEL
IORD
GND
DIOR-
GND
DIOW-
GND
DMARQ
(KEYPIN)
GND
DD15
DD0
DD14
DD1
DD13
DD2
DD12
DD3
DD11
DD4
DD10
DD5
DD9
DD6
DD8
DD7
GND
RESET
P56601
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
89 1076
E
F
G
D
C
54321
B
A
DMR-EZ28P/PC
Interconnection
Schematic Diagram
P1101
N
A
DR12V
DR12V
4DR5V
DRGND 3
1
2
FAN MOTOR
FAN LOCK
FAN GND
1
P5799
3
FANOUT
2
GND
KEY POWER
1
JW7001
3
GND
2
GND
KEY POWER
1
JW7501
3
GND
2
GND
NC
1
P7001
3
KEY POWER
2
GND
GND
4
6
GND
5
GND
NC
1
PP7701
3
KEY POWER
2
GND
GND
4
6
GND
5
KEY OPEN CLOSE
AD5V
1
PP7201
3
IR
2
GND
GND
4
6
GND
5
KEY OPEN CLOSE
AD5V
1
P7502
3
IR
2
GND
GND
4
6
GND
5
D-
D+
1
P66801
3
GND
2
PO
D5V
4
6
GND
5
TPA-
TPA+
1
P37001
3
GND
GND
2
TPB-
TPB+
4
6
7
GND
5
TPA-
TPA+
1
P55101
3
GND
GND
2
TPB-
TPB+
4
6
7
GND
5
D-
D+
1
P55001
3
GND
2
D5V
D5V
4
6
GND
5
TU7801
IF OUT
IF AGC
IFD OUT2
IFD OUT1
VIF 5V
VIDEO OUT
SIF OUT
AFT
IIC CLK
IIC SDA
30V
NC
TUNER 5V
TU MONITOR
BOOSTER 5V
AUDIO IN
RFC SW
RFC 5V
RFC ON/OFF
VIDEO IN
AGC
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
DMR-EZ28P / DMR -EZ28 PC
41