Panasonic KX-NS500AG Service Manual page 56

KX-NS500AG
12.1.7. No.7
1 2 3
A
PR_SET
B
DG DG DG
R418
L_A[9]
R419
L_A[8]
L_A[4]
1
C
L_A[5] 2
L_A[6] 3
L_A[7]
4
R420
L_A[3]
8
L_A[2]
7
L_A[1]
6
L_A[0]
5
R439
R422 10
R423 10
R424 10
R584
R425 10
2.2k
R426 10
DG
D
DG
R453 10
HW_CLK[5]
nHW_FH[6] 8
nHW_FH[4]
7
LDHW[4]
6
LDHW[3]
5
R441
DG
E
R454 10
L_A[10]
BUF_EXT_D[7] 8
BUF_EXT_D[6] 7
BUF_EXT_D[5]
6
BUF_EXT_D[4]
5
R443
F
BUF_EXT_D[0]
1
BUF_EXT_D[1]
2
BUF_EXT_D[2] 3
BUF_EXT_D[3] 4
R431 10
R432 10
R433 10
R434 10
R435 10
R436 10
G
DG DG
nHW_FH[3] 1
HW_CLK[3] 2
LUHW[2] 3
4
+3.3V
R414
R437
10k
DG DG
+40V_OP
H
DG
2
+3.3V
R404 270
R403 270
Q401
Q400
D401 D402
C
2
R400
B
3
RL200A
1
12 1
330
E
R401 D400
RL200B
10k 12
1
NC
RL200C
12 1
DG
NC
RL200D
12 1
L_A[0-22]
+3.3V
CO
CN400
CN400 1 60
CN400 2 59 CN400
CN400 3 58 CN400
CN400 CN400
4 57
R445
10
A[11]
CN400 5 A[9] 56 CN400
R446
10
A[8]A[10]
CN400 6 55 CN400
CN400 A[7] D[0] CN400
7 54
10
8
D[1]
CN400 8 A[6] 53 CN400
7
6
A[5] D[2]
CN400 9 52 CN400
5
CN400 A[4] D[3] CN400
10 51
D[4]
CN400 11 A[3] 50 CN400
10
1
A[2] D[5]
CN400 12 49 CN400
2
3
A[1] D[6] CN400
CN400 13 48
4
D[7]
CN400 A[0] 47 CN400
14
CN400 15 46 CN400
R447
CN400 CN400
16 nCS[1]nCS[0] 45
R448
CN400 nREADnWRITE CN400
17 44
R449
CN400 18 nWAITnRST[0] 43 CN400
R450
nRST[1]
CN400 19 42 CN400
nINT[0]
R451 10 NC
CN400 CN400
20 nINT[1] 41
R452
CN400 21 NETREF 40 CN400
CN400 22 39 CN400
HW_CLK[5]
CN400 CN400
23 38
HW_CLK[6]
nHW_FH[6]
CN400 24 37 CN400
HW_CLK[4]
10
1 nHW_FH[4]
CN400 25 36 CN400
2
nHW_FH[5]
3 LDHW[4]
CN400 CN400
26 35
4 LUHW[4]
LDHW[3]
CN400 27 34 CN400
LUHW[3]
CN400 28 33 CN400
+15V
CN400 CN400
29 32
CN400 30 31 CN400
DG
nINT_EXT_OP[1]
nCS_EXT_OP[1]
nRST_EXT_OP[1]
nCO_PLD_WAIT
nINT_CO[1]
nRST_CO_OP[1]
BUF_EXT_D[0-7]
EXT
CN401
CN401 1 60
R428 10
CN401 A[10] A[9] 59 CN401
2
R455 10
CN401 3 D[7] A[8] 58 CN401
10
1
D[6] A[7] CN401
CN401 4 57
2
3
CN401 D[5] A[6] 56 CN401
5
4
CN401 6 D[4] A[5] 55 CN401
D[3] A[4] CN401
CN401 7 54
10
8
CN401 D[2] A[3] 53 CN401
8
7
6
CN401 9 D[1] A[2] 52 CN401
5
D[0] A[1] CN401
R430 CN401 10 51
CN401 nWAIT A[0] 50 CN401
11
CN401 12 49 CN401
R456
CN401 13 nCS[1] nCS[0] 48 CN401
R457
CN401 CN401
14 nREAD nWRITE 47
CN401 15 46 CN401
R458
nRST[1]
CN401 16 45 CN401
nRST[0]
R459
nINT[1]
17 CN401
CN401 44
nINT[0]
CN401 18 43 CN401
R460
RING_SYNC
CN401 19 42 CN401
nHALT
10 LUHW[2]
CN401
CN401 20 41
8 LDHW[2]
7
HW_CLK[3]
CN401 21 40 CN401
6
HW_CLK[2]
5 nHW_FH[3]
CN401 22 39 CN401
nHW_FH[2]
R461
CN401
CN401 23 38
+3.3V
CN401 24 37 CN401
CN401 25 36 CN401
CN401
CN401 26 35
CN401 27 34 CN401
DG
CN401 28 33 CN401
CN401
CN401 29 32
31 CN401
CN401 30
DG
HW_CLK[2-6]
nHW_FH[2-6]
3
+3.3V
Q402
Q403
2
3
1
Q405
D403
R406 10k
DG
DG
+3.3V
+3.3V
10k
BUF_CO_D[0] 1 8
BUF_CO_D[1] 2 7
BUF_CO_D[2] 3 6
BUF_CO_D[3] 4 5
R580
10 L_A[11] 10k
BUF_CO_D[4] 1 8
BUF_CO_D[5] 2 7
IC402
10 L_A[10]
BUF_CO_D[6] 3 6
BUF_CO_D[7] 4 5
R581
10
8 1 BUF_CO_D[0]
IC402
7 2 BUF_CO_D[1]
6 3 BUF_CO_D[2]
5 4 BUF_CO_D[3] BUF_CO_D[0] 18 B1 2
A1
BUF_CO_D[1] 17 B2 3
A2
R421
16 B3 4
BUF_CO_D[2]
A3
BUF_CO_D[3] 15 B4 5
A4
BUF_CO_D[4] 14 B5 6
10 A5
BUF_CO_D[7]
1 8 BUF_CO_D[5] 13 B6 7
A6
2 7 BUF_CO_D[6] BUF_CO_D[6] 12 B7 8
A7
3 6 BUF_CO_D[5] BUF_CO_D[7] 11 B8 9
A8
4 5 BUF_CO_D[4]
1
DIR
19
R440
*OE
DG
10
10
10 nRST_CO
10
10
+3.3V
DG DG
R438
HW_CLK[6]
10
REVDET[0-5]
10
BELL[0-5]
HW_CLK[4]
8 1
nHW_FH[5]
7 2
LUHW[4]
6 3
nWRITE
LUHW[3]
5 4
nREAD
R427
HW_CLK[1]
HW_FH[1]
LDHW[1]
nREAD
FAN_ALM
+3.3V
10k
BUF_EXT_D[4]
1 8
L_A[9]
BUF_EXT_D[5] 2 7
BUF_EXT_D[6]
3 6
L_A[8]
BUF_EXT_D[7] 4 5
R582
10k
BUF_EXT_D[0]
1 8
IC403
BUF_EXT_D[1] 2 7
10
L_A[7]
BUF_EXT_D[2]
8 1 3 6
7 2 L_A[6] BUF_EXT_D[3] 4 5
6 3 L_A[5]
R583
5 4 L_A[4] IC403
R429 BUF_EXT_D[0]
18
B1 A1
BUF_EXT_D[1]
17
B2 A2
BUF_EXT_D[2]
16
10 B3 A3
L_A[0]
1 8 BUF_EXT_D[3]
15
B4 A4
2 7 L_A[1] BUF_EXT_D[4]
14
B5 A5
3 6 L_A[2] BUF_EXT_D[5]
13
B6 A6
L_A[3]
4 5 BUF_EXT_D[6]
12
B7 A7
BUF_EXT_D[7]
11
B8 A8
R442
DIR
10
*OE
10
10
10
10
nHALT
10
1 8 DG DG
2 7 nHW_FH[2]
HW_CLK[2]
3 6
4 5 LDHW[2]
R444
10 +3.3V
PT_CURA
PT_POWA
PT_CURB
PT_POWB
nRST_SLIC
RING_SYNC
KX-NS500AG MOTHER BOARD No.7 1/3
56
4 5
Q406
R413
+15V
330
R412
RLY_RESET
10k
DG
(1)
R410 2.7k
(2)
(3)
10k
(4)
R411 (5)
DG
(6)
nCS_DSPG[0]
(7)
nCS_DSPG[1]
(8)
nCS_DSPG[2]
(9)
DSPG_INT[0]
(10)
DSPG_INT[1]
DSPG_INT[2] (11)
(12)
nCS_CO_OP[1]
(13)
+3.3V
20
VCC
GND
10
DG
R465 10
L_D[3]
1 8
L_D[2]
2 7
3 6 L_D[1]
4 5 L_D[0]
1 8 L_D[7]
2 7 L_D[6]
3 6 L_D[5]
L_D[4]
4 5
+3.3V
R46610
DG DG
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
FAN_ALM
(34)
+3.3V
20
(35)
VCC
GND (36)
10 (37)
DG
R467 10
L_D[3]
1 8
2
7 L_D[2]
2
3
6 L_D[1]
3
4
4 5 L_D[0]
5
1 8 L_D[7]
6
2 7 L_D[6]
7
3 6 L_D[5]
8
5 L_D[4]
4
9
R468 10
1
19
DG
(38)
(39)
(40)
(41)
(42)
(43)
nINT_CO[0]
(44)
nINT_CO[1]
(45)
(46)
(47)
(48)
(49)
(50)
(51)
(52)
(53)
(54)
AC_ALM
(55)