Read Panasonic KX-FP153RU-B / KX-FP153RU-W Service Manual online
5.3.
CONTROL
SECTION
5.3.1.
BLOCK
DIAGRA
M
IC501
ASIC
ADR[15:13]
RBA[5:0]
ADR[12:0]
DB[7:0]
XRD
XWR
XROMCS
XRAMCS
XMDMCS
IC502
ROM
IC504
SRAM
IC515
MODEM
MODEM
A[17:0]
D[7:0]
XRD
XCS
A[16:0]
D[7:0]
XRD
XWR
XCS
A[4:0]
D[7:0]
XRD
XWR
XCS
XWDERR
IN
OUT
GND
+5V
+3.3V
TO
OP-PANEL
OP-PANEL
KSTART,KLATCH
KSCLK,KTXD
KSCLK,KTXD
KRXD,JOG1, JOG2
TO
CIS
CIS
SI,CLK
CISLEDON
CISLEDON
SIG
TO
THRMAL
HEAD
THRMAL
HEAD
THDAT,THCLK,THLAT
STB1,STB2
STB1,STB2
TM
+24V
TO
MOTOR
MOTOR
TM[3:0], TXE
TO
POWER
SUPPLY
POWER
SUPPLY
+24V,+5V,PG,DG
OP-RESET
+24V
XRESETI
XORESET
XRESET
XBACKEN
RESET-IC
+3V/BATT
+5V/BATT
VCC
BATT
+
-
24MHz
32.768KHz
TX
RX
TO
ANALOG
PCB
ANALOG
PCB
A[12
:0
]
RBA[5
:0
]
A[11
:0
]
RBA[2
:0
]
A[4:
0
]
+5V
XRAS
XCAS
A[9:0]
D[7:0]
XRD
XWR
XRAS
XCAS
IC503
DRAM
A[7:
4
]
RBA[5
:0
]
PTOP
SENSOR
LED ON
LED ON
PS501
+5V
CN504
CN503
CN505
CN502
CN506
CN507
CN501
IC514
ANALOG ASIC
CONTROL SECTION BLOCK DIAGRAM
KX-FP153RU-B
KX-FP153RU-W
XTEST
(24MHz)
XTLI
126
KX-
FP153
R
U
-B
/
/
KX-FP
153RU
-W
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