Read Panasonic KX-FL423RU (serv.man2) Service Manual Supplement online
ORDER NO. KMF1202091SE
Compact Laser Fax
Model No.
KX-FL423RU-B
KX-FL423RU-W
KX-FL423RU-W
(for Russia)
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST--------------------------------- 2
1.1. REFERENCE CHART------------------------------------ 2
1.2. ORIGINAL AND NEW PARTS
1.2. ORIGINAL AND NEW PARTS
COMPARISON LISTS------------------------------------ 2
2 CHANGES (Suffix Code: H or later) ------------------------ 4
2.1. Schematic Diagram (Digital Board) ------------------- 4
2.2. Printed Circuit Board-------------------------------------10
2.3. Replacement Parts List (DIGITAL BOARD
2.2. Printed Circuit Board-------------------------------------10
2.3. Replacement Parts List (DIGITAL BOARD
PARTS)------------------------------------------------------12
Supplement-5
Please file and use this supplement manual together with the service manual for Model No.KX-FL423RU-B/
KX-FL423RU-W Order No.KMF0908245CE.
KX-FL423RU-W Order No.KMF0908245CE.
2
KX-FL423RU-B / KX-FL423RU-W
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
1.2.1.
Regarding Digital Board Ass’y (Suffix code is E or the previous E)
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
Remark:
*a : To enhance the quality.
*c : To share the parts with other models.
*a : To enhance the quality.
*c : To share the parts with other models.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Ref.
No.
Part No.
Part Name & Description
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
DIGITAL BOARD PARTS
Q220
Q220
UNR92ANJ0L
----------
TRANSISTOR (SI)
0
*a
6
-
Q221
B1CHND000004
----------
TRANSISTOR (SI)
0
*a
6
-
C310
----------
ECUE1H101JCQ
CAPACITOR, 100 pF
1
*a
5
-
C328
----------
ECUE1H101JCQ
CAPACITOR, 100 pF
1
*a
5
-
DL101 J0MAB0000145
----------
IC FILTER
0
*a
6
-
R100
----------
ERJ2GEJ101
RESISTOR, 100
Ω
1
*a
5
-
R249
ERJ2GEJ472X
----------
RESISTOR, 4.7k
Ω
0
*a
6
-
R252
ERJ2GEJ103
----------
RESISTOR, 10k
Ω
0
*a
6
-
R255
----------
ERJ3GEY0R00
RESISTOR, 0
Ω
1
*a
5
-
3
KX-FL423RU-B / KX-FL423RU-W
1.2.2.
Regarding Digital Board Ass’y (Suffix code is H or later)
Change of the Suffix Code
Serial No.Label tells you the suffix code as follows.
Note:
There are two kinds of Digital Board, a new type, old type. The service of new type and old type Digital Boards should proceed
according to each respective procedure.
When replacing the Digital Board or parts on the Digital Board, first confirm if it is a new or old type Digital Board by referring to
the table below.
For the New DIGITAL BOARD (Suffix code is H or later), see to 2.1. Schematic Diagram (Digital Board) (P.4), 2.2. Printed
Circuit Board (P.10) and 2.3. Replacement Parts List (DIGITAL BOARD PARTS) (P.12) for detail.
And for the Old DIGITAL BOARD (Suffix code is E or the previous E), see to the Service Manual for KX-FL423RU-B/KX-
FL423RU-W (Order No. KMF0908245CE) for detail.
according to each respective procedure.
When replacing the Digital Board or parts on the Digital Board, first confirm if it is a new or old type Digital Board by referring to
the table below.
For the New DIGITAL BOARD (Suffix code is H or later), see to 2.1. Schematic Diagram (Digital Board) (P.4), 2.2. Printed
Circuit Board (P.10) and 2.3. Replacement Parts List (DIGITAL BOARD PARTS) (P.12) for detail.
And for the Old DIGITAL BOARD (Suffix code is E or the previous E), see to the Service Manual for KX-FL423RU-B/KX-
FL423RU-W (Order No. KMF0908245CE) for detail.
(The fifth digit of the serial number is the suffix.)
Ref.
No.
Part No.
Part Name & Description
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
DIGITAL BOARD PARTS
PCB1
PCB1
PNWP1FL423RU
PNWP1L423RUD DIGITAL BOARD ASS'Y (RTL)
1
*c
1
W
E to H
Digital Board
Suffix code
Main unit bareboard
Old type
E or the previous E
PNLB1667ZA-GW-1
New type
H or later
PNLB1667YA-LV
Suffix E
ψ H
H
Serial No. Label
(Example)
154
IC102
C153
48
C337
C352
FCT
R274
56
PbF
C
heck here.
PNLB1667YA-LV
4
KX-FL423RU-B / KX-FL423RU-W
2 CHANGES
(Suffix Code: H or later)
2.1.
Schematic Diagram (Digital Board)
[Changed from original section “16.2.1. DIGITAL BOARD (1)”]
C
E
B
A
D
F
3
2
4
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
D[8]
D[9]
D[10]
D[11]
D[12]
D[13]
D[14]
D[15]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
D[8]
D[9]
D[10]
D[11]
D[12]
D[13]
D[14]
D[15]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
A[13]
A[14]
A[15]
A[16]
A[11]
A[12]
A[13]
A[14]
A[15]
A[16]
A[18]
A[19]
A[17]
A[20]
A[20]
A[22]
A[21]
RAS
001:7B
KTXD
002:6D
RXD
002:6C
CAS
001:7B
SDCS
001:7B
SDWE
001:7B
SDDQML
001:7B
SDDQMU
001:8C
R110
68
SDCLK
001:8C
R104
47
R105
47
R106
47
R107
47
R108
68
R109
68
X100
32.768kHz
X101
24.576MHz
TXD
002:6C
RTS
002:6C
CTS
002:6C
+3.3V
R102
NC
( )
R103
NC
( )
TP_CHK
R114
47k
R138
47k
+3.3V
R134
47
R135
47
TP_ACS
TP_CSG
R139
4.7k
TP_CHKCS
+3.3V
R140
4.7k
C115
NC
( )
C116
NC
( )
TP_EXTINT
R137
4.7k
+3.3V
XRESET
001:4B;001:5F
XBATRST
001:8E
+3.3V
R123
47k
R122
47k
ATXD
003:2E
ARXD
003:2E
R117
22
DL101
NC
( )
1
2
3
AFECLK
003:2D
R100
100
C102
NC
( )
R118
22
ASPCLK
003:2E
ABITCLK
003:2F
AFERST
003:2F
R124
47k
+3.3V
EVOLIN
003:2B
EVOLOUT
003:2B
R121
10k
R101
10k
C103
22u
6.3
TONE
003:2B
AIN1
002:5C
AIN2
002:8C
AIN3
002:7D
TP_AMON
TP_NMI
C111
K1000p
C113
K1000p
C108
Z0.1u
C114 K0.1u
F1
002:5C
FTG
002:5C
RPS
002:6D
KSTART
002:6D
KSCLK
002:6D
XVIDEO
002:2C
XLASERON
002:2D
XAPC
002:2D
XHSYNC
002:2D
POLCLK
002:2D
POLON
002:2D
POUT
002:8D
REGIST
002:8B
BELL
003:7C
TNREMP
002:8D
SENCTL0
002:8C
SENCTL1
002:8B
TMA
002:5D
TMB
002:5D
XTMA
002:5D
XTMB
002:5D
TMPWR
002:5D
XRMB
002:3E
XRMA
002:4F
RMA
002:4F
RMB
002:3E
FANON1
002:8E
FANDET
002:8E
HVERR
002:1C
CISON
002:5C
CISLEDON
002:5C
PICKUP
002:8A
OPERST
002:6D
SPMUTE
003:7C
DCN
003:7B
PDWN
002:2A
TOPCVR
002:2B
CHG
002:3C
MMPWR2
002:4F
CIDENB
003:3C
HTRCTL
002:2B
TRS
002:3C
DEV
002:3C
+3.3V
R131
47k
TP_A13
TP_A14
TP_A15
TP_A14
TP_A15
DL100
NC
1
2
3
R136
47
RTS
C109
10u
C112
10u
C110 J100p 50
FANON2
002:8E
+3.3V
MDMTXEN
003:3C
MDMRXEN
003:3C
HSRXEN
003:3C
HSTXMUTE
003:5C
P_SHORT
003:7C
LIN_RLY
003:7C
RA102
47
1
2
3
4
5
6
7
8
RA103
47
1
2
3
4
5
6
7
8
RA104
47
1
2
3
4
5
6
7
8
RA105
47
1
2
3
4
5
6
7
8
RA106
47
1
2
3
4
5
6
7
8
RA101
47
1
2
3
4
5
6
7
8
MMPWR1
002:4F
+3.3V
XREADY
002:2D
RA100
100
1
2
3
4
5
6
7
8
TXD
RXD
CTS
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A19
A18
A17
A20
A21
A22
5CTL
002:5A
CL122
TP_FCS
R115
47k
R116
47k
MMENB
002:4F
24CTL
002:5B
TONE_LN_ENB 003:2C
DTMFSPENB
003:2D
TAMSPENB
003:2D
MDMMICIN
003:2D
C117
30p
TP_RD
R343
NC
( )
TP_GIOP52
X102
12.8M
IC101
D0
AE5
D1
AE6
D2
AE7
D3
AE8
D4
AE9
D5
AE10
D6
AE11
D7
AE12
D8
AE14
D9
AE15
D10
AE16
D11
AE17
D12
AE18
D13
AE19
D14
AE20
D15
AE21
RAS
AD1
CAS
AE2
SDCS
AA3
SDWE
AE3
SDDQML
AE4
SDDQMU
AE22
SDCLK
AE13
XSYSOUT
Y1
XSYSIN
AA1
X32OUT
A21
X32IN
B21
XDOTOUT
F25
XDOTIN
E25
TXD
P23
RXD
P22
RTS
M20
CTS
M19
DSR
P21
DTR
P20
DCD
P19
TXD2
V23
RXD2
V22
RTS2
V21
CTS2
V20
TEST0
F22
TEST1
H23
TEST2
H22
TEST3
H21
TEST4
H20
A1
AA8
A2
Y8
A3
AD6
A4
AC6
A5
AB6
A6
AB5
A7
AC5
A8
AC18
A9
AB14
A10
AD14
A11
AA14
A12
Y14
RBA0/A13
W14
RBA1/A14
W12
RBA2/A15
Y12
RBA3/A16
AA12
RBA4/A17
AC8
RBA5/A18
AB12
RBA6/A19
AD12
RBA7/A20
AD18
RBA8/A21
AB18
RBA9/XHSTRD
AA18
RBA10/XHSTWR
Y18
XWR
AE23
XRD
AD8
XROMCS
Y3
XFCS
AB8
FCSG
AE24
XRESCS2/OP02
AB20
XCHKCS/OP03
Y4
XNMI
W25
CPC
P24
XEXTINT
V25
XRESET
U25
XWDERR
T25
XBATRST
D18
XBACKEN
B18
LSI_TCK
Y25
LSI_TRSTN
AA24
LSI_TMS
AA25
LSI_TDI
AB25
LSI_SCNENABLE
Y22
LSI_TN
AA22
LSI_CW_TAP
AA23
LSI_PROCMON
F18
LSI_TDO
AC25
LSI_IDDT
Y21
A0
AD5
IC101
DP
F1
RING
G1
BTXD
H1
BRXD
J1
ATXD
K1
ARXD
L1
AFECLK
M1
ASPCLK
N1
ABITCLK
P1
AFERST
R1
BSPCLK
T1
BBITCLK
U1
MICLK
V1
MIDAT
W1
MILAT
P4
AFESEL0
M2
AFESEL1
M3
DBGREQ
M4
DBGMOD
P5
EYEDAT
P6
EYECLK
P7
EVOLIN
B1
EVOLOUT
F2
EVOLREF
F3
TONE
D1
AIN1
A3
AIN2
A5
AIN3
A6
VCL
D6
AMON
A2
VREFB
C5
VREFT
B6
F1
A7
FTG
A8
KRXD/RPS
A9
KSTART
H2
KTXD
B8
KSCLK
A10
KLATCH
E8
VIDEO
A12
LDON
A13
APC
A14
HSYNC
A15
READY
A16
POLCLK
A17
POLON
B14
TM0
A18
SENIN0
C8
SENIN1
AD25
SENIN2
V4
SENIN3
A11
SENCTL0
C20
SENCTL1
D20
SENCTL2
V24
SENCTL3
Y24
TM1
A19
TM2
A20
TM3
C18
TXE
E18
RM0
B25
RM1
C25
RM2
D25
RM3
F24
RXE
E23
FANON1
H25
FANON2
J25
FANDET1
G25
FANDET2
H24
GIOP30
F21
GIOP31
P25
GIOP32
H3
GIOP33
E1
GIOP34
R25
GIOP35
B12
GIOP36
V5
GIOP37
V6
GIOP40
M25
GIOP41
V3
GIOP42
M5
GIOP43
M7
GIOP44
M6
GIOP45
D12
GIOP46
P3
GIOP47
C14
GIOP50
V2
GIOP51
D14
GIOP52
C12
GIOP53
K25
GIOP54
N25
GIOP55
D21
GIOP56
M22
GIOP57
C21
GIOP60
H5
GIOP61
E20
GIOP62
P2
GIOP63
M21
GIOP64
Y23
HTRCTL
L25
TRS
M24
DEV
M23
GIP20/VIN0
E12
GIP21/VIN1
F12
GIP22/VIN2
G12
GOP25/VOUT0
E14
GOP26/VOUT1
F14
GOP27/VOUT2
G14
IOP15/ADR13
AC20
IOP16/ADR14
AD20
IOP17/ADR15
AC21
C100 J18p
C101 J18p
C104 J22p
C105 J39p
R112
750
R113
1.5k
C107 J18p
JOGA
002:5D
JOGB
002:5D
C106 J27p
1
(1)
(2)
(3)
(4)
(5)
KX-FL423RU-B / KX-FL423RU-W DIGITAL BOARD No.1 (1/2)
1/2
1
-1
