Main Board - Panasonic KX MC6020 - Color Laser - All-in-One Service Manual

KX-MC6020HX

17.2. Main Board

17.2.1. Main Board (1)
1
SDBA0
SDBA1
SDMA[0-12]
2:4A;2:4E
A
SDMA[10]
SDMA[12]
SDMA[11]
SDMA[9]
SDMA[8]
SDMA[7]
SDMA[6]
SDMA[5]
SDMA[4]
SDMA[3]
SDMA[2]
SDMA[1]
SDMA[0]
NSDCS0
NSDRAS
NSDCAS
NSDWE
SDUDM1
SDUDM0
SDLDM1
B
SDLDM0
SDUDQS1
SDUDQS0
SDLDQS1
SDLDQS0
NSDCKE
NSDCLK2
SDCLK2
SDCLK
NSDCLK
+3.3V
6B;3:2C;4:1D;5:5B;6:2C
XSYSRST
6D
BATRST
C
+2.5V
+3.3V
FRMD[0-7]
3:2A;6:4A
FRMA[0-25]
FRMA[25]
FRMA[24]
FRMA[23]
FRMA[22]
D
FRMA[21]
FRMA[20]
FRMA[19]
FRMA[18]
FRMA[17]
FRMA[16]
FRMA[15]
FRMA[14]
FRMA[13]
FRMA[12]
FRMA[11]
FRMA[10]
FRMA[9]
FRMA[8]
FRMA[7]
FRMA[6]
FRMA[5]
FRMA[4]
FRMA[3]
FRMA[2]
FRMA[1]
FRMA[0]
12:7E
Tel
HOOK
12:6A
EXTRLY
E
7:3E
POLCLK
7:3F
POLON
9:6E
PCCFUCUT
9:6D
PCKFUCUT
8:6E
ADUM_I1
10:2D
FAN1FULL
10:2D
+3.3V
FAN1HALF
10:2E
FAN2FULL
10:2E
FAN2HALF
7C
ANSEL0
7C
ANSEL1
7B
ANSEL2
12:5E
TX_Fchange
7:3A
SEN0LED
7:3B
SEN1LED
8:6B
OPM_I1
5:7C
PWRDWN
10:5D
REGGAIN1
F
10:5E
REGGAIN2
6:4B
NENGINT
7:3F
NPOLLD
2
DDR_SDRAM_Interface
2:4C
2:4C
1 8 RA300
2 7 10
IC300
3 6
4 5
D3
SDMA12 SDMD31
RA301
C2
SDMA11 SDMD30
4 5
10 C1
SDMA10 SDMD29
3 6
D2
SDMA9 SDMD28
2 7 B1
SDMA8 SDMD27
1 8 RA302 E3
SDMA7 SDMD26
4 5 10 D1
SDMA6 SDMD25
3 6 E4
SDMA5 SDMD24
2 7
E2
SDMA4 SDMD23
1 8
RA303 E1
SDMA3 SDMD22
4 5
10 F3
SDMA2 SDMD21
3 6
F4
SDMA1 SDMD20
2 7 F2
SDMA0 SDMD19
1 8 F1
SDBA1 SDMD18
H4
SDBA0 SDMD17
G3
NC
NSDCS1 SDMD16
RA304 G2
2:4C
NSDCS0 SDMD15
4 5 10
2:4C G1
NSDCAS SDMD14
3 6
2:4C J3
NSDRAS SDMD13
2 7
2:4C K4
NSDWE SDMD12
2:4C 1 8 R315 33 L2
SDUDM1 SDMD11
2:4A R316 33 P1
SDUDM0 SDMD10
2:4E R317 33 W3
SDLDM1
2:4C R318 33 AC2
SDLDM0
2:4B R319 33 M4
SDUDQS1
2:4A R320 33 R3
SDUDQS0
2:4D R321 33 W4
SDLDQS1
2:4C R322 33 AB3
SDLDQS0
2:4E R323 10 H3
NSDCKE
2:4C R324 10 H1
NSDCLK2
2:4C R325 10 J2
SDCLK2
2:4E R326 10 U1
SDCLK
2:4E R327 10 V1
NSDCLK PAD_DDR_VREF1
SD_Interface
RA310
1 8 AN21
SDDAT3 HTRCTL
2 10k AM22
7
SDDAT2
3 6 AM21
SDDAT1
4 5 AP22
SDDAT0
R308 10k
AN22
SDCMD NHSYNC
R309 10k
AP23
SDIFCLK
R310 10k
AN23
SDWP
R311 10k AM23
SDCD
THRMSTR1
C23
RST THRMSTR0
B22
BATRST THRMAVDD
B23
WDTRST THRMAVSS
R313 F49.9
AE3
BZRST25
AD3
BZVDD25
R314 F49.9
A20
BZRST33 TONEAVDD
D21
BZVDD33 TONEAVSS
ROM_Interface
IC300
NC
R302 47 B31
( )
FRMA25
R303 47 A31
FRMA24
R304 47
C30
FRMA23
R305 47
B30
FRMA22
R306 47
A30
FRMA21
R307 47
C29
FRMA20
RA305
1 8 D29
FRMA19
47
2 7 B29
FRMA18
3 6 A29
FRMA17
4 5 C28
FRMA16
1 8 RA306 D27
FRMA15
2 7 47
B28
FRMA14
3 6
A28
FRMA13 Tel
4 5
C27
FRMA12
RA307
1 8 C26
FRMA11
47
2 7 B27
FRMA10
3 6 A27
FRMA9
4 5 B26
FRMA8
1 8 RA308 A26
Panel
FRMA7
2 7 47
D25
FRMA6
3 6
C25
FRMA5 RS232C
4 5
B25
FRMA4
1 8 RA309
A25
FRMA3 RS232C
47
2 7 B24
FRMA2
3 6 C24
Tel
FRMA1
4 5 A24
RS232C
FRMA0
P34
IO0 RS232C
R33
IO1
AE32
IO2 IO42/MMA
AE33
IO3 IO43/MMXA
AD32
IO4 IO44/MMB
AE34
IO5 IO45/MMXB
Motor
AD33
IO6 IO46/OPMA
AD34
IO7 IO47/OPMXA
AC31
IO8 IO48/OPMB
AC32
IO9 IO49/OPMXB
AC33
IO10 IO50/CRM0
R328 10k
AC34
IO11 IO51/CRM1
AB32
IO12 IO52/CRM2
AB33
IO13 IO53/CRM3
AB34
IO14 IO54/CRM4
L396 NC
AA32
( )
IO15 IO55/CRM5
AA31
IO16 IO56/ADFMEN
AA33
IO17 IO57/CRMEN
AA34
IO18 Tel
R330 10k
Y32
IO19 LAN
Y33
IO20 Tel
W33
IO21 Tel
W32
IO22 MMPWR
Y34
IO23 OPMPWR
R32
IO24 CRMPWR
R329 10k
CL311
3
2:4A
K3 RA311 SDMD[31]
4 5
L3 33 SDMD[30]
3 6
K2 SDMD[29]
2 7
K1 SDMD[28]
1 8
M3 RA312 SDMD[27]
4
M2 5 33 SDMD[26]
M1 3 6 SDMD[25]
N3 2 7
SDMD[24]
N1 1 8 RA313
SDMD[23]
4 5
P3 33 SDMD[22]
3 6
P2 SDMD[21]
2 7
P4 SDMD[20]
1 8
R1 RA314 SDMD[19]
4 5
T3 33 SDMD[18]
T2 3 6 SDMD[17]
T1 2 7
SDMD[16]
U3 1 8 RA315
SDMD[15]
4 5
W1 33 SDMD[14]
3 6
V3 SDMD[13]
2 7
W2 SDMD[12]
1 8
Y2 RA316 SDMD[11]
4 5
AA1 33 SDMD[10]
+2.5V
3
AA2 6 SDMD[9]
SDMD9
Y3 2 7 SDMD[8]
SDMD8
AB1 1 8 RA317
SDMD[7]
SDMD7
AB2 4 5 33
SDMD[6]
SDMD6
3 6
AC1 SDMD[5]
SDMD5
2 7
AA4 SDMD[4]
SDMD4
1 8
AD1 RA318 SDMD[3]
SDMD3
4 5
AD2 33 SDMD[2]
SDMD2
3 6
AE1 SDMD[1]
SDMD1
AC4 2 7 SDMD[0]
SDMD0
T4 1 8 GND
M34
PTOP
6:2E
E34
HTEMP_WDT
+3.3V
N34
NLDEN NC
N33
NAPC NC
T31
FB & ADF
U34 9:6B
FSRTHERM
V32 7B
ADOUT
V34
U33
+3.3V
W34 4:3E;12:1D
DAOUT
TONE
W31
V33
+3.3V
GND
GND
+3.3V
RA321 47
D33 FRMD[7]
FRMD7
4
D32 5 FRMD[6]
FRMD6
3
E31 6 FRMD[5]
FRMD5
2
C34 7 FRMD[4]
FRMD4
8 47
C33 RA322 1 FRMD[3]
FRMD3
5
B34 4 FRMD[2]
FRMD2
6
3 FRMD[1]
A33
FRMD1
7
2 FRMD[0]
B32
FRMD0
1 8
A32 R331 47 3:2D;6:2B
NFROE
NFROE
C31 R332 47 3:2C;6:2B
NFRWE
NFRWE
D30 R333 47 3:2D
NFRCE
NFRCE
12:3E
M33
IO25 CNGMUTE
6:2B
H31 L324 47
IO26
NVIDEOCS
6:2B
L325 47
E33
IO27 NIOCS
R336 1k 4:3D
P33
CLCDRST
IO28
1k 4:3D
AM24 L326
KSTART
IO29
4:3D
AM25 L327 1k
KTXD
IO30
4:3D
AN25 L328 1k
KSCLK
IO31
4:3E
AP26 L329 1k
OPERST
IO32
4:1E
AP27
UARTTXD2
IO33
AL25
MBS0
IO34
4:1E
AN27
UARTRXD2
IO35
AM27 MBS1
IO36
6B;12:1B
AN26
RING
IO37
4:1E
AL23
UARTTXD3
IO38
AP24
MBO0
IO39
4:1E
AN24 UARTRXD3
IO40
MBO1
AP25
IO41
8:6D
AL27
ADUM_PHA
8:6E
AN29
ADUM_ENA
8:6D
AM29
ADUM_PHB
8:6E
AL29
ADUM_ENB
8:6B
AN30
OPM_PHA
8:6B
AM30
OPM_ENA
8:6B
AP31
OPM_PHB
8:6B
AL30
OPM_ENB
4:2B
AM31
CRM0
4:2B
AP32
CRM1
4:2B
AN32
CRM2
4:2B
AN34
CRM3
4:2B
AM33
CRM4
4:2B
AM34
CRM5
4:2B
AL32
ADFMEN
4:2B
AL33
CRMEN
12:7C
P32
CIDRLY
IO58
3:8F
E32
IO59 XLANRST
12:4D
F31
IO60 HSSPMUTE
12:6D
D34
IO61 SPMUTE
8:6D
AP30
ADUM_PWR
8:6B
AN31
OPM_PWR
4:2B
AP33
CRM_PWR
M-TDO CL300
M-TRSTN CL301
M-TCK CL302
M-TMS CL303
M-TDI CL304
TP for Modem JTAG
KX-MC6020HX SCHEMATIC DIAGRAM (MAIN BOARD No.1) (1/3)
380
4
SDMD[0-31]
CRM0
CRM1
CRM2
CRM3
CRM4
CRM5
(1-2 Phase excitation)
+3.3V
GND
1/3
1
-1