Read Panasonic KX-MB283RU / KX-MB783RU (serv.man3) Service Manual Supplement online
32
KX-MB283RU/KX-MB783RU
3.4.2.
MAIN BOARD (2)
[Changed from original section “16.3.2. MAIN BOARD (2)”]
KX-MB783RU SCHEMATIC DIAGRAM (MAIN BOARD No.2) (1/2)
1/2
2
-1
C
E
B
A
D
F
3
2
1
4
10k
R449
J27p
C470
Z0.1u
C471
FRMD[0-7]
1:6B
NFRWE
1:5E
XSYSRST
1:10E;1:3K
FRMA[0-23]
1:6B
NFRCE
1:5D
NFROE
1:5D
+3.3V
+3.3V
SDBA0
1:2E
47
RA404
1
2
3
4
5
6
7
8
68
R401
47
R403
56
RA402
1
2
3
4
5
6
7
8
SDBA1
1:2E
SDMA[0-12]
Z0.1u
C400
K0.01u
C401
Z0.1u
C404
56
RA401
1
2
3
4
5
6
7
8
47
R404
SDLDM1
1:2E
47
RA405
1
2
3
4
5
6
7
8
47
RA406
1
2
3
4
5
6
7
8
+3.3V
47
R400
NSDCAS
1:2E
47
R408
47
R406
Z0.1u
C406
NSDRAS
1:2E
Z0.1u
C403
56
RA400
1
2
3
4
5
6
7
8
47
R407
SDLDM0
1:2D
SDCLK
1:2E
NSDWE
1:2E
56
RA403
1
2
3
4
5
6
7
8
Z0.1u
C413
Z0.1u
C402
K0.01u
C412
SDMD[0-15]
1:2B
68
R409
NSDCS
1:2E
68
R410
SDCKE
1:2E
K0.01u
C405
47
R405
47
R402
NC
(
)
R448
NC
(
)
R447
Z0.1u
C414
IC402
64Mbit FLASH
1
NC1
2
A22
3
A15
4
A14
5
A13
6
A12
7
A11
8
A10
9
A9
10
A8
11
A19
12
A20
13
*WE
14
*RESET
15
A21
16
*WP/ACC
17
RY/*BY
18
A18
19
A17
20
A7
21
A6
22
A5
23
A4
24
A3
25
A2
26
A1
27
NC2
28
NC3
29
VIO
30
NC4
31
A0
32
*CE
33
VSS1
34
*OE
35
DQ0
36
DQ8
37
DQ1
38
DQ9
39
DQ2
40
DQ10
41
DQ3
42
DQ11
43
VCC
44
DQ4
45
DQ12
46
DQ5
47
DQ13
48
DQ6
49
DQ14
50
DQ7
51
DQ15/A-1
52
VSS2
53
*BYTE
54
A16
55
NC5
56
NC6
J100p
C422
J100p
C424
J100p
C429
J100p
C427
J100p
C428
J100p
C426
J100p
C419
J100p
C420
J100p
C425
+3.3V
J100p
C421
J100p
C423
IC400
1
VDD
2
DQ0
3
VDDQ
4
DQ1
5
DQ2
6
VSSQ
7
DQ3
8
DQ4
9
VDDQ
10
DQ5
11
DQ6
12
VSSQ
13
DQ7
14
VDD
15
LDQM
16
*WE
17
*CAS
18
*RAS
19
*CS
20
BA0
21
BA1
22
A10/AP
23
A0
24
A1
25
A2
26
A3
27
VDD
28
VSS
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
35
A11
36
A12
37
CKE
38
CLK
39
UDQM
40
NC/RFU
41
VSS
42
DQ8
43
VDDQ
44
DQ9
45
DQ10
46
VSSQ
47
DQ11
48
DQ12
49
VDDQ
50
DQ13
51
DQ14
52
VSSQ
53
DQ15
54
VSS
47k
RA413 1
2
3
45
6
7
8
47k
RA414
1
2
3
45
6
7
8
FRMA[16]
FRMA[15]
FRMA[14]
FRMA[13]
FRMA[12]
FRMA[11]
FRMA[10]
FRMA[9]
FRMA[20]
FRMA[21]
FRMA[15]
FRMA[14]
FRMA[13]
FRMA[12]
FRMA[11]
FRMA[10]
FRMA[9]
FRMA[20]
FRMA[21]
FRMA[19]
FRMA[18]
FRMA[8]
FRMA[7]
FRMA[6]
FRMA[5]
FRMA[4]
FRMA[3]
FRMA[2]
FRMA[18]
FRMA[8]
FRMA[7]
FRMA[6]
FRMA[5]
FRMA[4]
FRMA[3]
FRMA[2]
FRMA[1]
FRMA[17]
FRMA[0]
FRMD[7]
FRMD[6]
FRMD[5]
FRMD[4]
FRMD[3]
FRMD[2]
FRMD[1]
FRMD[0]
SA[9]
SDMA[9]
SA[11]
SDMA[2]
SD[5]
SDMA[6]
SDMD[4]
SD[14]
SDMD[12]
SD[6]
SA[7]
SDMD[10]
SD[11]
SA[10]
SDMD[0]
SA[4]
SA[6]
SDMA[11]
SA[4]
SA[12]
SDMA[4]
SDMD[5]
SDMA[5]
SD[7]
SD[1]
SDMD[11]
SDMD[1]
SA[5]
SD[10]
SDMD[13]
SD[4]
SD[8]
SDMA[8]
SDMD[9]
SD[11]
SDMD[2]
SA[8]
SDMA[12]
SD[0]
SDMD[15]
SDMA[10]
SD[9]
SD[5]
SD[14]
SD[2]
SA[9]
SD[1]
SD[2]
SD[2]
SD[6]
SDMD[14]
SA[0]
SA[11]
SD[13]
SD[8]
SDMA[0]
SDMA[1]
SDMA[1]
SA[10]
SD[12]
SD[10]
SA[8]
SD[3]
SA[0]
SDMD[7]
SD[7]
SD[15]
SA[1]
SDMA[7]
SA[2]
SA[1]
SD[9]
SD[15]
SD[12]
SA[2]
SD[0]
SDMD[8]
SD[4]
SDMD[3]
SA[5]
SA[12]
SD[13]
SDMD[6]
SD[3]
SA[3]
SA[7]
SA[6]
SDMA[3]
SA[3]
FRMA[23]
FRMA[22]
FRMD[0]
FRMD[1]
FRMD[2]
FRMD[3]
FRMD[4]
FRMD[6]
FRMD[7]
FRMD[5]
Click on the first or last page to see other KX-MB283RU / KX-MB783RU (serv.man3) service manuals if exist.