Panasonic KX-MB283RU / KX-MB783RU (serv.man3) Service Manual / Supplement ▷ View online
17
KX-MB283RU/KX-MB783RU
18
KX-MB283RU/KX-MB783RU
3.3.
Schematic Diagram (KX-MB283RU)
3.3.1.
MAIN BOARD (1)
[Changed from original section “16.2.1. MAIN BOARD (1)”]
KX-MB283RU SCHEMATIC DIAGRAM (MAIN BOARD No.1) (1/3)
1/3
1
-1
+3.3V
CRM2
2:12C;3:6D
MMA
3:13G
POUT
3:9C
NSDWE
2:3D
CRM1
2:12C;3:6D
TRS
3:14C
SNREG
3:10J
NFRCE
2:3K
NREADY
3:13J
SDLDM1
2:3F
NSDCS
2:3E
FRMD[0-7]
2:6I
HOOK
4:13I
DAOUT
3:11B;4:2H
R306
NC
( )
HVERR
3:14B
CRM4
2:12C;3:6D
RING
7B;4:2C
47
R368
ADFMEN
2:12C
SNPICK
3:10K
SDCLK
2:3F
KTXD
3:11B
47
R367
47
RA317
1
2
3
4
5
6
7
8
6
7
8
CIDRLY
4:13F
Z0.1u
C301
NSDRAS
2:3E
DOCU
2:9D
PSTART
3:9G
+3.3V
SDCKE
2:3F
MMXA
3:13G
CRMEN
3:6D
Z0.1u
C300
FRMA[0-23]
2:3K
47
RA318
1
2
3
4
5
6
7
8
6
7
8
47
RA319
1
2
3
4
2
3
4
6
7
8
M-TDO
NAPC
3:13K
UARTRX
47
R308
M-TDI
SDLDM0
2:3D
TOPCVR
3:14B
MMXB
3:13G
XSYSRST
10E;2:3I
PWD
3:7C
M-TRSTN
47
R309
FANON2
3:9E
HTRCTL
3:15E
EYECLK
L347
KSCLK
3:11B
SDMA[0-12]
2:2C
OPERST
3:11B
NSDCAS
2:3D
MMB
3:13G
NLDEN
3:13K
HSSPMUTE
4:8G
SDBA0
2:3E
UARTTX
CHG
3:14C
L344
47
RA316
1
2
3
4
5
6
7
8
6
7
8
NVIDEO
3:13L
TNR
3:9G
CRM5
2:12C;3:6D
47
RA314
1
2
3
4
5
6
7
8
6
7
8
47
R369
M-TMS
CRM0
2:12C;3:6C
CRM3
2:12C;3:6D
EXTRLY
4:11B
DEV
3:14C
47
RA315
1
2
3
4
5
6
7
8
6
7
8
FANON1
3:10H
SDBA1
2:3E
SPMUTE
4:12G
+3.3V
CNGMUTE
4:6J
NFROE
2:3K
L345
REGIST
3:9G
THRMSTR0
3:11B
F49.9
R302
R302
L346
NFRWE
2:3I
EYEDAT
POLON
3:13I
100k
R391
M-TCK
RPS
2:9C
KSTART
3:11B
POLCLK
3:13I
47
RA320
1
2
3
4
2
3
4
5
5
6
7
8
SDMD[0-15]
THRMSTR1
3:9D
10
R392
47
R307
NHSYNC
3:13K
FANDET1
3:10H
FANDET2
3:9E
+3.3V
R463
NC
( )
10k
R460
R461
NC
( )
10k
R462
PICK
3:9E
10k
R338
TP_CHKSEL
IC301
1 DS
2
VSS
3 NC
5
VDD
4
OUT
100
R304
J100p
C351
XLANRST
2:16J
10k
R465
R464
NC
( )
10k
R399
+3.3V
47k
RA321
1
2
3
4
2
3
4
6
7
8
47k
RA322
1
2
3
4
2
3
4
6
7
8
47k
RA323
1
2
3
4
2
3
4
6
7
8
47k
RA324
1
2
3
4
2
3
4
5
5
5
5
6
7
8
K0.01u
C326
IC300
T1
SDMD0
T2
SDMD1
U1
SDMD2
U2
SDMD3
V1
SDMD4
V2
SDMD5
W1
SDMD6
W2
SDMD7
AA1
SDMD8
AA2
SDMD9
AB1
SDMD10
AB2
SDMD11
AC1
SDMD12
AC2
SDMD13
AD1
SDMD14
AD2
SDMD15
F1
SDMD16
F2
SDMD17
G1
SDMD18
G2
SDMD19
H1
SDMD20
H2
SDMD21
J1
SDMD22
J2
SDMD23
L1
SDMD24
L2
SDMD25
M1
SDMD26
M2
SDMD27
N1
SDMD28
N2
SDMD29
P1
SDMD30
P2
SDMD31
E1
SDUDM0
R1
SDUDM1
R2
SDLDM0
AE1
SDLDM1
P3
NSDCS
H3
NSDCS2
M4
SDBA1
N3
SDBA0
T3
NSDCAS
T4
NSDRAS
U3
NSDWE
V3
SDCKE
Y2
SDCLK
K2
SDCLK2
R3
BZVDD33
R4
BZRST33
D15
FRMD5
C15
FRMD6
A16
FRMD7
B16
FRMA0
D16
FRMA1
C16
FRMA2
A17
FRMA3
B17
FRMA4
C17
FRMA5
A18
FRMA6
B18
FRMA7
D18
FRMA8
C18
FRMA9
A19
FRMA10
A21
FRMA11
B21
FRMA12
D21
FRMA13
C21
FRMA14
A22
FRMA15
B22
FRMA16
A23
FRMA17
C22
FRMA18
B23
FRMA19
A24
FRMA20
B24
FRMA21
A25
FRMA22
C23
FRMA23
E24
FRMA24
A13
NFRCE
B13
NFROE
C13
NFRWE
L4
SDMA0
L3
SDMA1
J4
SDMA2
J3
SDMA3
AC3
SDMA4
AB3
SDMA5
AA4
SDMA6
AA3
SDMA7
Y3
SDMA8
A14
FRMD0
B14
FRMD1
C14
FRMD2
A15
FRMD3
B15
FRMD4
W4
SDMA9
M3
SDMA10
W3
SDMA11
V4
SDMA12
IC300
U24
IO0
U25
IO1
G24
IO2
F26
IO3
J26
IO4
J25
IO5
J23
IO6
U26
IO7
T24
IO8
T23
IO9
T25
IO10
T26
IO11
R24
IO12
R23
IO13
R25
IO14
R26
IO15
P24
IO16
P25
IO17
P26
IO18
N26
IO20
H26
IO21
N25
IO22
N24
IO23
F23
IO24
M26
IO25
M25
IO26
J24
IO27
H25
IO28
A7
IO29
B7
IO30
C7
IO31
D7
IO32
M23
IO33
AF20
SCIO0
AE20
SCIO1
AC20
SCIO2
AD20
SCIO3/EXSEN0
AF21
SCIO4/EXSEN1
AE21
SCIO5/EXSEN2
AC21
SCIO6/EXSEN3
AD21
SCIO7
AF22
SCIO12
AE22
SCIO13
AF23
SCIO14
AD22
SCIO15
W23
SCIO16
W24
SCIO17
W25
SCIO18
M24
IO34
L26
IO35
L25
IO36
L23
IO37
L24
IO38
K26
IO39
K25
IO40
K24
IO41
A12
IO42/MMA
B12
IO43/MMXA
D12
IO44/MMB
C12
IO45/MMXB
A11
IO46/OPMA
B11
IO47/OPMXA
D11
IO48/OPMB
C11
IO49/OPMXB
A10
IO50/CRM0
B10
IO51/CRM1
C10
IO52/CRM2
A9
IO53/CRM3
B9
IO54/CRM4
C9
IO55/CRM5
D9
IO56/ADFMEN
A8
IO57/CRMEN
G26
IO58
G25
IO59
F25
IO60
F24
IO61
H24
IO62
H23
IO63
E26
IO64
E25
IO65
D26
IO66
B8
MMPWR
C8
OPMPWR
D8
CRMPWR
AD19
HTRCTL
C19
THRMSTR0
D19
THRMSTR1
B20
TONE
A20
THRMAVDD
B19
THRMAVSS
C20
TONEAVDD
W26
SCIO19/EXSEN4
V23
SCIO20
V24
SCIO21
V25
SCIO22
V26
SCIO23
G23
SCIO24
D20
TONEAVSS
AC11
TEST
AD11
CLKSEL
AC18
NWDTRST
AD18
NRST
FRMA[14]
FRMA[2]
FRMA[13]
FRMA[1]
FRMA[12]
FRMA[0]
FRMA[11]
FRMA[23]
FRMA[6]
FRMA[5]
FRMA[4]
FRMA[18]
FRMA[3]
FRMA[17]
FRMA[16]
FRMA[15]
SDMA[3]
SDMA[2]
SDMA[8]
SDMA[1]
FRMA[22]
SDMA[7]
SDMA[0]
FRMA[21]
FRMD[7]
SDMA[6]
FRMA[20]
FRMD[6]
SDMA[12]
SDMA[5]
FRMA[19]
FRMD[5]
SDMA[11]
SDMA[4]
FRMD[4]
SDMA[10]
SDMA[9]
SDMD[0]
FRMD[3]
FRMD[2]
FRMD[1]
FRMA[10]
FRMD[0]
FRMA[9]
FRMA[8]
FRMA[7]
SDMD[1]
SDMD[2]
SDMD[3]
SDMD[4]
SDMD[5]
SDMD[6]
SDMD[7]
SDMD[8]
SDMD[9]
SDMD[10]
SDMD[11]
SDMD[12]
SDMD[13]
SDMD[14]
SDMD[15]
SDMD[2]
SDMD[3]
SDMD[4]
SDMD[5]
SDMD[6]
SDMD[7]
SDMD[8]
SDMD[9]
SDMD[10]
SDMD[11]
SDMD[12]
SDMD[13]
SDMD[14]
SDMD[15]
TP for MODEM JTAG
271
261
10K
NC
10K
R460 R461 R462 R463 R464 R465
NC
NC
281
NC
10K
10K
10K
10K
NC
NC
761
771
781
NC
10K
NC
NC
10K
10K
10K
10K
10K
NC
NC
NC
10K NC
NC 10K
10K
NC
10K
NC
10K
10K
NC
NC
C
E
B
A
D
F
3
4
2
1
(1-2 Phase excitation)
CRM0
CRM1
CRM2
CRM3
CRM3
CRM4
CRM5
19
KX-MB283RU/KX-MB783RU
KX-MB283RU SCHEMATIC DIAGRAM (MAIN BOARD No.1) (2/3)
2/3
1
-2
RX_DV
2:16I
C323
NC
( )
J300
NC
( )
Z0.1u
C339
10k
R373
220
L367
1
R385
MDIO
2:16I
AFESIFDOUT
3:6I
1M
R387
L361
15
MDC
2:16I
+1.2V
+3.3V
+3.3V
Z0.1u
C330
Z0.1u
C355
Z0.1u
C336
Z0.1u
C328
LEDONR
3:6G
1
R381
1
R380
Z0.1u
C335
RING
2G;4:2C
K0.22u C306
4.7k
R335
CCDCLK
3:6E
AFESIFEN
3:6I
ASPCLK
4:2D
NC
( )
R345
F6.98k
R376
Z0.1u
C357
+1.2V
L363
220
ARXD
4:2D
0
R393
Z0.1u
C334
+1.2V/BATT
NC
( )
R341
NC
( )
R346
CCDSH
3:6F
COL
2:16H
MGINT
2:16G
NC
( )
R342
CRS
2:16H
+1.2V
AINT
4:2E
AFEVSMP
3:6I
220
L366
Z0.1u
C358
Z0.1u
C337
C322
NC
( )
+3.3V
+3.3V
+1.2V
R375
NC
( )
Z0.1u
C338
DA300
NC
1
2
3
NC
( )
R343
TX_CLKI
2:16H
Z0.1u
C332
C324
NC
( )
BTXD
4:2I
Z0.1u
C325
TX_EN
2:16H
0
R390
Z0.1u
C363
DP
4:2C
100
R384
IC303
NC
4
NC
3
VOUT
1
VSS
2
VIN
Z0.1u
C333
K0.22u
C308
AFEMCLK
3:6I
Z0.1u
C354
BBITCLK
4:2J
AFESIFCLK
3:6H
AFERST
4:2E;4:2J
R389
NC
( )
220
L365
NC
( )
R347
NCCDON
3:4J
TXD[0-3]
2:16H
220
L371
XSYSRST
3K;2:3I
Z0.1u
C359
BRXD
4:2I
Z0.1u
C361
BSPCLK
4:2I
Z0.1u
C321
R388 NC
( )
Z0.1u
C329
+3.3V
AFEADC[0-3]
3:6H
+1.2V
ABITCLK
4:2D
AFECLK
4:2D;4:2J
+3.3V/BATT
10k
R372
Z0.1u
C331
4.7k
R303
RXD[0-3]
2:16J
+3.3V
220
L370
RX_ER
2:16I
1
R382
LEDONB
3:6F
Z0.1u
C362
K0.22u C304
Z0.1u
C353
Z0.1u
C364
+3.3V
LEDONG
3:6G
NC
( )
R344
L364
220
220
L368
X303
NC
Z0.1u
C360
Z0.1u
C327
K0.22u C305
Z0.1u
C352
RX_CLKI
2:16I
ATXD
4:2D
220
L369
J22p
C310
J27p
C311
C316
NC
( )
C314
NC
( )
R374
NC
( )
1k
R378
C398
( )
NC
TDO
TMS
TDI
TRSTN
TCK
X300
12MHz
X301
NC
C318
NC
( )
X302
NC
L350
NC
L355
NC
L356
NC
L349
NC
L354
NC
L353
NC
L358
NC
L352
NC
L351
NC
L359( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
NC
L348
NC
J22p
R340
J22p
R348
0
C315
10k
R315
10k
R316
10k
R354
10k
R350
10k
R351
10k
R349
10k
R352
10k
R305
10k
R355
10k
R353
L357
NC
1
2
3
K0.1u
C312
22k
R339
L300
1
2
4
3
NC
( )
R394
+3.3V
D306
1
IO1
2
VN
3
NC1
4
NC2
5
VP
6
IO2
D307
NC
1
2
3
CN300
1
VBUS
2
D-
3
D+
4
GND
5
6
7
8
BAT300 NC
( )
1
2
3
IC300
Y23
AFESEL0
Y24
AFESEL1
Y26
DP
AA24
AFERST
AA25
RING
AB24
BTXD
AB25
BRXD
AC24
ATXD
AD26
ARXD
AE26
ABITCLK
AC25
BBITCLK
AD25
ASPCLK
AC26
BSPCLK
AB26
AFECLK
Y25
EXMDMCS
AA26
EXTINT
AF5
COL
AD6
CRS
AE6
TX_CLKI
AF6
TX_EN
AC7
TXD0
AD7
TXD1
AE7
TXD2
AF7
TXD3
AC8
TX_ER
AE8
RX_CLKI
AD8
RX_DV
AF8
RXD0
AC9
RXD1
AD9
RXD2
AE9
RXD3
AD10
RX_ER
AF9
MDIO
AE10
MDC
AF10
MGTINT
AF18
LSI_TCK
AD16
LSI_TRSTN
AF17
LSI_TMS
AE17
LSI_TDI
AC16
LSI_SCAN_ENABLE
AC19
LSI_TN
AF19
LSI_CW_TAP
AE18
LSI_PROCMON
AD17
LSI_TDO
AE19
LSI_IDDT
C2
AFEADC1
D3
AFEADC2
C1
AFEADC3
D2
AFEADC4
D1
AFEADC5
E3
AFEADC6
E2
AFEADC7
F3
AFESIFCLK
G4
AFESIFEN
G3
AFESIFDIN
H4
AFESIFDOUT
C5
OEB
A3
NCCDON
C4
LEDONR
B3
LEDONG
A2
LEDONB
AF11
USBVBUS
AE12
USBID
AE13
USBDM
AF13
USBDP
AC12
USBREXT
AF12
USBVDDA33_BIAS
AD14
USBVDDA12_SQ
AE15
USBVDDA12PLL
AF14
USBVDDA33
AE16
USBVDDA12
AD12
USBVSSA33_BIAS
AE14
USBVSSA12_SQ
AF15
USBVSSA12PLL
AD13
USBVSSA33
AD15
USBVSSA12
AC15
USBXIN
AF16
USBXOUT
AD4
NBATRST
AE5
RTCPWRDWN
A6
CCDCLK
B5
AFEVSMP
B4
AFERSMP
A4
AFEMCLK
B1
AFEADC0
A5
NCCDCP
B6
NCCDRS
C6
CCDSH
IC300
B2
VSS_1
P11
VSS_2
P12
VSS_3
P13
VSS_4
P14
VSS_5
P15
VSS_6
P16
VSS_7
R11
VSS_8
R12
VSS_9
R13
VSS_10
R14
VSS_11
R15
VSS_12
R16
VSS_13
T11
VSS_14
T12
VSS_15
T13
VSS_16
T14
VSS_17
T15
VSS_18
T16
VSS_19
AD24
VSS_20
AE25
VSS_21
AB23
VSS_22
AC23
VSS_23
Y4
VSS_24
Y1
VSS_25
L11
VSS_26
L12
VSS_27
L13
VSS_28
L14
VSS_29
L15
VSS_30
L16
VSS_31
M11
VSS_32
M12
VSS_33
M13
VSS_34
M14
VSS_35
M15
VSS_36
M16
VSS_37
N11
VSS_38
N12
VSS_39
N13
VSS_40
N14
VSS_41
N15
VSS_42
N16
VSS_43
AC4
VSS_44
AC5
VSS_45
AD3
VSS_46
AE2
VSS_47
C3
VSS_48
F4
VDD2_1
E23
VDD2_2
D6
VDD2_3
D10
VDD2_4
D14
VDD2_5
P23
VDD2_6
K23
VDD2_7
AA23
VDD2_8
AB4
VDD2_9
AC22
VDD2_10
AC17
VDD2_11
AC13
VDD2_12
N4
VDD2_13
D22
VDD2_14
U4
VDD2_15
AC6
VDD2_16
AD5
VDD2RTC
K4
VDDIO33_1
D13
VDDIO33_2
D17
VDDIO33_3
P4
VDDIO33_4
U23
VDDIO33_5
AC10
VDDIO33_6
N23
VDDIO33_7
AC14
VDDIO33_8
AF3
VDDIO33OSC
D24
NC1
AE11
NC2
AD23
NC3
C26
DOTCLKIN
D25
DOTCLKOUT
AF24
MDMCLKIN
AE23
MDMCLKOUT
AF4
RTCCLKIN
AE4
RTCCLKOUT
C25
PLL24VDD
B26
PLL240VSS
AE24
PLL393VDD
AF25
PLL393VSS
AF2
PLL266VDD2
AE3
PLL266VSS2
C24
VSS_49
B25
VSS_50
K1
VSS_51
K3
VSS_52
D23
VSS_53
D4
VSS_54
D5
VSS_55
E4
VSS_56
BAT301
NC
( )
1
2
D308
0
C313
0
C317
0
C319
TXD[2]
AFEADC[0]
TXD[1]
TXD[3]
RXD[0]
RXD[2]
RXD[3]
RXD[3]
RXD[1]
AFEADC[3]
AFEADC[2]
AFEADC[1]
TXD[0]
TP for ARM JTAG
( )
6
7
4
5
C
E
B
A
D
F
24.576MHZ
12MHZ
32.768KHZ
20
KX-MB283RU/KX-MB783RU
KX-MB283RU SCHEMATIC DIAGRAM (MAIN BOARD No.1) (3/3)
3/3
1
-3
D801
+24V
D800
+3.3V
100k
R806
1.5k
R809
1.5k
R807
K0.1u
C814
22k
R808
10u/35V
C805
D802
AK
Q801
B
C
E
Z0.1u/50V
C807
Z0.1u/50V
C806
Z0.1u/50V
C808
J33p
C811
L800
6.3V/330u
C800
Q800
B
C
E
Z0.1u
C648
Z0.1u
C654
Z0.1u
C685
+3.3V
Z0.1u
C646
Z0.1u
C650
Z0.1u
C680
Z0.1u
C665
Z0.1u
C656
Z0.1u
C675
Z0.1u
C690
Z0.1u
C691
Z0.1u
C684
+7V
Z0.1u
C660
+3.3V
Z0.1u
C645
Z0.1u
C695
Z0.1u
C687
Z0.1u
C692
0
R451
+5VD
Z0.1u
C659
Z0.1u
C682
Z0.1u
C651
Z0.1u
C697
Z0.1u
C678
Z0.1u
C655
Z0.1u
C699
Z0.1u
C662
Z0.1u
C669
Z0.1u
C657
0
R452
Z0.1u
C676
Z0.1u
C647
Z0.1u/50V
C672
Z0.1u
C681
Z0.1u
C667
Z0.1u
C668
+24V
Z0.1u
C670
Z0.1u
C661
Z0.1u
C663
Z0.1u
C688
Z0.1u
C677
Z0.1u
C652
Z0.1u
C679
+1.2V
Z0.1u/50V
C671
Z0.1u
C653
Z0.1u
C689
0
R450
Z0.1u
C658
Z0.1u
C693
Z0.1u
C674
Z0.1u
C696
Z0.1u
C664
Z0.1u
C698
Z0.1u/50V
C673
Z0.1u
C666
Z0.1u
C649
0
C488
0
C490
0
C491
C801
NC
( )
K0.01u/50V
C803
C802
100u/6.3V
B5.1k
R802
Z0.1u
C817
6.3
100u
C815
+1.2V
D803
+3.3V
6.3
100u
C818
Z0.1u
C816
K0.01u
C812
K0.01u
C813
K0.01u
C809
IC801
2
GND
1
IN
3
OUT
DG
0(1608)
L399
3A
F800
10u/35V
C804
B1.6k
R800
B27k
R801
F10k
R803
10k
R804
47k
R805
0
R812
K2200p
C810
IC800
1
BS
2
IN
3
SW
4
GND1
5
FB
6
COMP
7
EN
8
SS
9
GND2
7
6
9
8
C
E
B
A
D
F
Click on the first or last page to see other KX-MB283RU / KX-MB783RU (serv.man3) service manuals if exist.