Panasonic KX-MC6020, Service Manual

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384
KX-MC6020HX
17.2.2. Main Board (2)
KX-MC6020
HX
SCHEMATIC DIAGRAM (MAIN BOARD No.2) (1/2)
1/2
2
-1
Z0.1u C422
Z0.1u C400
F1.2k R416
Z0.1u
C448
68
RA409
1
2
3
4
5
6
7
8
Z0.1u
C458
68
RA411
1
2
3
4
5
6
7
8
Z0.1u C423
Z0.1u C427
68
RA402
1
2
3
4
5
6
7
8
Z0.1u
C450
Z0.1u C418
Z0.1u C401
Z0.1u
C452
Z0.1u C428
68
RA405
1
2
3
4
5
6
7
8
Z0.1u C404
Z0.1u
C465
SDLDM1
1:1B
Z0.1u C402
68
RA406
1
2
3
4
5
6
7
8
Z0.1u C405
Z0.1u
C442
68
R402
Z0.1u C415
68
R407
Z0.1u
C434
Z0.1u C446
SDBA1
1:1A
Z0.1u
C437
NC ( )
C462
NC
( )
C464
Z0.1u
C463
NSDRAS
1:1B
Z0.1u
C439
68
R405
51
R408
NSDCLK2
1:1B
Z0.1u
C451
Z0.1u C421
SDMA[0-12]
1:1A;4E
Z0.1u C424
Z0.1u
C447
Z0.1u C425
68
R409
Z0.1u
C454
Z0.1u C429
Z0.1u C426
SDCLK
1:1B
Z0.1u C407
Z0.1u
C460
Z0.1u C417
68
RA412
1
2
3
4
5
6
7
8
68
RA407
1
2
3
4
5
6
7
8
SDMA[0-12]
1:1A;4A
Z0.1u
C444
Z0.1u C432
Z0.1u C412
Z0.1u C406
68
RA404
1
2
3
4
5
6
7
8
NSDCKE
1:1B
Z0.1u C409
Z0.1u
C438
Z0.1u C408
NSDWE
1:1B
Z0.1u
C435
68
R404
51
R411
Z0.1u
C441
NSDCS0
1:1B
68
R400
SDCLK2
1:1B
F1.2k R415
F1.2k R414
Z0.1u
C459
Z0.1u
C453
68
RA408
1
2
3
4
5
6
7
8
68
RA400
1
2
3
4
5
6
7
8
51
R410
SDMD[0-31]
1:3A
Z0.1u C420
68
RA410
1
2
3
4
5
6
7
8
Z0.1u
C449
Z0.1u C419
SDUDM0
1:1B
68
RA401
1
2
3
4
5
6
7
8
Z0.1u
C456
Z0.1u C430
68
RA403
1
2
3
4
5
6
7
8
68
R403
Z0.1u C403
Z0.1u
C461
Z0.1u C416
51
R412
Z0.1u C414
NSDCLK
1:1B
Z0.1u
C440
Z0.1u C431
Z0.1u C413
Z0.1u C411
Z0.1u
C433
Z0.1u C410
SDLDM0
1:1B
Z0.1u
C445
Z0.1u
C436
SDBA0
1:1A
Z0.1u
C457
68
R406
Z0.1u
C443
NSDCAS
1:1B
68
R401
SDUDM1
1:1B
Z0.1u
C455
F1.2k R413
C
E
B
A
D
F
3
+1.25VTT
+1.25VTT
+1.25VTT
+2.5V
+2.5V
+2.5V
GND
+2.5V
GND
GND
GND
GND
SDLDQS0
1:1B
SDLDQS1
1:1B
SDUDQS1
1:1B
SDUDQS0
1:1B
IC401
1
VDD1
2
DQ0
3
VDDQ1
4
DQ1
5
DQ2
6
VSSQ1
7
DQ3
8
DQ4
9
VDDQ2
10
DQ5
11
DQ6
12
VSSQ2
13
DQ7
14
NC1
15
VDDQ3
16
LDQS
17
NC2
18
VDD2
19
DNU1
20
LDM
21
*WE
22
*CAS
23
*RAS
24
*CS
25
NC3
26
BA0
27
BA1
28
A10/AP
29
A0
30
A1
31
A2
32
A3
33
VDD3
34
VSS1
35
A4
36
A5
37
A6
38
A7
39
A8
40
A9
41
A11
42
A12
43
NC4
44
CKE
45
CK
46
*CK
47
UDM
48
VSS2
49
VREF
50
DNU2
51
UDQS
52
VSSQ3
53
NC6
54
DQ8
55
VDDQ4
56
DQ9
57
DQ10
58
VSSQ4
59
DQ11
60
DQ12
61
VDDQ5
62
DQ13
63
DQ14
64
VSSQ5
65
DQ15
66
VSS3
IC400
1
VDD1
2
DQ0
3
VDDQ1
4
DQ1
5
DQ2
6
VSSQ1
7
DQ3
8
DQ4
9
VDDQ2
10
DQ5
11
DQ6
12
VSSQ2
13
DQ7
14
NC1
15
VDDQ3
16
LDQS
17
NC2
18
VDD2
19
DNU1
20
LDM
21
*WE
22
*CAS
23
*RAS
24
*CS
25
NC3
26
BA0
27
BA1
28
A10/AP
29
A0
30
A1
31
A2
32
A3
33
VDD3
34
VSS1
35
A4
36
A5
37
A6
38
A7
39
A8
40
A9
41
A11
42
A12
43
NC4
44
CKE
45
CK
46
*CK
47
UDM
48
VSS2
49
VREF
50
DNU2
51
UDQS
52
VSSQ3
53
NC6
54
DQ8
55
VDDQ4
56
DQ9
57
DQ10
58
VSSQ4
59
DQ11
60
DQ12
61
VDDQ5
62
DQ13
63
DQ14
64
VSSQ5
65
DQ15
66
VSS3
SDMD[23]
SDMA[3]
SDMD[11]
SDMD[20]
SDMA[12]
SDMD[21]
SDMA[2]
SDMD[12]
SDMD[19]
SDMA[3]
SDMD[18]
SDMA[1]
SDMD[13]
SDMD[18]
SDMA[2]
SDMD[20]
SDMA[0]
SDMD[14]
SDMD[17]
SDMA[1]
SDMD[22]
SDMA[10]
SDMD[15]
SDMD[16]
SDMA[0]
SDMD[16]
SDMD[7]
SDMA[10]
SDMD[17]
SDMD[6]
SDMD[19]
SDMD[5]
SDMD[24]
SDMA[9]
SDMD[4]
SDMD[25]
SDMA[8]
SDMD[3]
SDMD[15]
SDMA[12]
SDMD[2]
SDMD[13]
SDMA[11]
SDMD[1]
SDMD[10]
SDMA[10]
SDMD[0]
SDMD[12]
SDMA[5]
SDMD[23]
SDMD[14]
SDMA[4]
SDMD[22]
SDMD[8]
SDMA[7]
SDMD[21]
SDMD[31]
SDMD[9]
SDMA[6]
SDMD[11]
SDMA[3]
SDMD[6]
SDMA[2]
SDMD[4]
SDMA[1]
SDMD[5]
SDMD[24]
SDMA[0]
SDMD[7] SDMD[25]
SDMA[4]
SDMD[0]
SDMD[26]
SDMA[5]
SDMD[1]
SDMD[27]
SDMA[4]
SDMD[30]
SDMA[6]
SDMD[2]
SDMD[28]
SDMA[5]
SDMD[26]
SDMA[7]
SDMD[3] SDMD[29]
SDMA[6]
SDMD[27]
SDMA[8]
SDMD[30]
SDMA[7]
SDMD[29]
SDMA[9]
SDMD[8]
SDMA[8]
SDMD[31]
SDMA[11]
SDMD[9]
SDMA[9]
SDMD[28]
SDMA[12]
SDMD[10]
SDMA[11]
DDR DRAM
DDR
2
4
1 5