Panasonic KX-FP153RU-B / KX-FP153RU-W Service Manual ▷ View online
5.2.1. GENERAL BLOCK DIAGRAM
CROSS REFERENCE:
ANALOG UNIT BLOCK DIAGRAM(P.163)
125
KX-FP153RU-B / KX-FP153RU-W
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
5.3.2. MEMORY MAP
127
KX-FP153RU-B / KX-FP153RU-W
This custom IC is used for the general FAX operations.
1. CPU:
This model uses a Z80 equivalent to the CPU operating at
12 MHz. Most of the peripheral functions are performed by
custom-designed LSIs. Therefore, the CPU only works for
processing the results.
12 MHz. Most of the peripheral functions are performed by
custom-designed LSIs. Therefore, the CPU only works for
processing the results.
2. RTC:
Real Time Clock
3. DECODER:
Decodes the address.
4. ROM/RAM I/F:
Controls the SELECT signal of ROM or RAM and the bank
switching.
switching.
5. CIS I/F:
Controls the document reading.
6. IMAGE DATA RAM:
This memory is programmed into the ASIC and uses 8 KB
for the image processing. (See Fig. A.*)
for the image processing. (See Fig. A.*)
7. THERMAL HEAD I/F:
Transmits the recorded data to the thermal head.
8. MOTOR I/F:
Controls the transmission motor which feeds the document.
Controls the receiving motor which feeds the recording
paper.
paper.
9. OPERATION PANEL I/F:
Serial interface with Operation Panel.
10. I/O PORT:
I/O Port Interface.
11. ANALOG UNIT:
Electronic volume for the monitor.
Sends beep tones, etc.
5.3.3.
ASIC (IC501)
Fig. A
Note*:
This memory is incorporated into the ASIC (IC501) and used for the image processing.
Fig. A shows the memory map of the Image Data RAM.
128
KX-FP153RU-B / KX-FP153RU-W
