Panasonic TDA-600, Service Manual

Page: 115 / 133

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(1) (2)
(3)
(4)
(5)
(7)
(8)
(10)
(11)
(12)
(6)
(9)
KX-TDA600
CE
EMPR BOARD SCHEMATIC DIAGRAM No.5 (2/4)
(e) (f) (g) (h) (i) (j) (k) (m) (n) (p) (q)
+3.3V
DG
+3.3V
+3.3VB
DG
DG
+3.3VB
+3.3V
R503
10K
CKIO_SDRAM2
2:3F
CKIO_SDRAM1
2:3F
R506
10K
+3.3VB
+3.3VB
R508
10K
TP1304
TP1324
TP1318
TP1321
TP1326
TP1319
TP1320
TP1300
C507
0.01u
CKE
2:6F;4:5G
nCS2
2:4D
nRD/nCAS
1:4C;2:5E;3:4G;4:5G
nRAS
2:5E;3:4H;4:5G
nWE2/DQM2
2:5F;3:3G;4:4G
nWE3/DQM3
2:5F;3:4G;4:5G
RD/nWR
2:5E;3:3G;3:6H;4:5G
nWE1/DQM1
1:4C;2:5F;3:4G;4:5F
nWE0/DQM0
1:4D;2:5F;3:3G;4:4F
IC621
CE2
12
#UB
14
#LB
15
#CE1
26
GND27
27
#OE
28
VDD
37
GND46
46
OP
13
IC622
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
R/W
11
CE2
12
#UB
14
#LB
15
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
#CE1
26
GND27
27
#OE
28
I/O1
29
I/O9
30
I/O2
31
I/O10
32
I/O3
33
I/O11
34
I/O4
35
I/O12
36
VDD
37
I/O5
38
I/O13
39
I/O6
40
I/O14
41
I/O7
42
I/O15
43
I/O8
44
I/O16
45
GND46
46
A16
48
A19
9
NC
10
OP
13
A18
16
#BYTE
47
R507
10K
+3.3VB
C506
0.01u
C505
0.01u
TP1985
IC503
#WE
11
#RESET
12
#WP/ACC
14
A0
25
#CE
26
VSS27
27
#OE
28
VCC
37
VSS46
46
#BYTE
47
F E H G
45
6
3
2
LA[1] LA[11]
LA[1]
LA[7] LA[2] LA[8]
nCS_SRAM1
A[17]
LA[16] LA[10]
A[18]
LA[4] LA[9] LA[6] LA[5] LA[3] LA[14] LA[15] LA[13] LA[12]
A[19] A[20]
LD[15] LD[14] LD[13] LD[12] LD[11] LD[10]
LD[9] LD[8] LD[5] LD[2] LD[6] LD[1] LD[7] LD[0] LD[4] LD[3]
nLB
nLB
nCS_SRAM0
nUB
nUB
nCS_FLASH0
nWE0/DQM0
nWE1/DQM1
nRESET
nRD
nRD
115
KX-TDA600CE