Panasonic KX-FP363UA Service Manual ▷ View online
7.3. CONT
ROL
S
E
C
T
ION
7.
3.
1.
BLOCK
D
IA
GRA
M
IC501
ASIC
ADR[15:13]
RBA[5:0]
ADR[12:0]
D[7:0]
DRB[7:0]
DB[7:0]
XRD
XWR
XROMCS
XOPRBE
XMDMCS
IC523
FLASH
FLASH
IC505
IC522
4M FLASH
MODEM
GATE
ARRAY
A[17:0]
D[7:0]
XRD
XCS
A[4:0]
RE
WR
WR
ALE
CLE
CS
D[7:0]
XRD
XWR
XCS
XWDERR
IN
OUT
GND
TO
OP-PANEL
KSTART,KLATCH
KSCLK,KTXD
KSCLK,KTXD
KRXD
TO
CIS
CIS
F1,FTG
VIDEO
TO
THRMAL
HEAD
THRMAL
HEAD
TO
MOTOR
MOTOR
TO
MOTOR
MOTOR
RM[3:0],RXE
TO
POWER
SUPPLY
POWER
SUPPLY
+24V,+5V,PG,DG
OP-RESET
TM
+24V
+24V
XRESETI
XORESET
XRESET
XBACKEN
RESET-IC
+3.3V/BATT
+2.5V/BATT
BATT
+
-
24MHz
32.768KHz
TX
RX
TO
ANALOG
P.C.B
ANALOG
P.C.B
A[12:0]
RBA[5:0]
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
FILM DETECTION
COVER OPEN
SENSOR
LED ON
PS501
Sensor P.C.B
+3.3V
CN504
CN503
CN505
CN515
CN516
CN506
CN517
SW501
SW502
TX[3:0],TXE
IC508
IC510
MOTOR DRV
MOTOR DRIVE
CISLEDON
IC520
IC520
GATE
ARRAY
DIR
G
XCAS2
A
B
32.256MHz
+3.3V
VDET
Q505
+3.3V
+2.5V
Q506
+2.5V/BATT
+3.3V/BATT
XHSTRD
XHSTWR
NEW THDAT,
NEW THLAT,
NEW STB1,NEW STB2
NEW THCLK,
KX-FP363UA : DIGITAL BOARD BLOCK DIAGRAM
D[7:0]
121
KX
-F
P
363
UA
7.3.2. MEMORY MAP
122
KX-FP363UA
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 handset and the monitor.
Sends beep tones, etc.
7.3.3. 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.
123
KX-FP363UA
Descriptions of Pin Distribution (IC501)
NO.
SIGNAL
I/O
POWER SUPPLIED
VOLTAGE
DESCRIPTION
1
VSSA
GND
POWER SOURCE (ANALOG GND)
2
VDDA 3.3
3.3V
POWER SOURCE (ANALOG +3.3V)
3
AIN1
A
3.3V
CCD IMAGE SIGNAL INPUT
4
AIN2
A
3.3V
THERMISTOR TEMPERATURE WATCH INPUT
5
AIN3
A
3.3V
-----------
6
AMON
A
3.3V
ANALOG SIGNAL MONITOR TERMINAL
7
VSS
GND
POWER SOURCE (GND)
8
X32OUT
O
3.3V/BATT
RTC (32.768KHz) CONNECTION
9
X32IN
I
3.3V/BATT
RTC (32.768KHz) CONNECTION
10
VDD (3.3V / B)
-----
POWER SOURCE (+3.3V/LITHIUM BATTERY)
11
XBACEN
I
3.3V/BATT
BACKUP ENABLE
12
XRAMCS
O
3.3V/BATT
NOT USED
13
VDD (3.3V / B)
-----
POWER SOURCE(+3.3V / LITHIUM BATTERY)
14
VDD (2.5V/B)
-----
POWER SOURCE (+2.5V / LITHIUM BATTERY)
15
FTG
O
3.3V
SH SIGNAL OUTPUT FOR CIS (SI)
16
F1
O
3.3V
01 SIGNAL OUTPUT FOR CIS (CLK)
17
F2/OP
O
3.3V
OUTPUT PORT (HSTXMUTE)
18
FR/OP
O
3.3V
OUTPUT PORT (MDMRST)
19
CPC
I
3.3V
INPUT PORT (PTOP)
20
RVN
I
3.3V
INPUT PORT (REED)
21
IRDATXD/IOP
O
3.3V
OUTPUT PORT (CISLED)
22
IRDARXD/IOP80
I
3.3V
INPUT PORT (DSR)
23
TXD/IOP
I
3.3V
INPUT PORT (TXD)
24
RXD/IOP
O
3.3V
OUTPUT PORT (SENLED1)
25
XRTS/IOP
I
3.3V
INPUT PORT (HOOK)
26
XCTS/IOP
O
3.3V
OUTPUT PORT (SPMUTE)
27
VDD (2.5V)
3.3V
POWER SOURCE (+2.5V)
28
TONE1
A
3.3V
TONE OUTPUT
29
TONE2
A
3.3V
TONE OUTPUT
30
VOLUREF
A
3.3V
ANALOG REF VOLTAGE
31
VOLUOUT
A
3.3V
VOLUME OUTPUT
32
VOLUIN
A
3.3V
VOLUME INPUT
33
XNMI
I
3.3V
HIGH FIXED
34
FMEMDO/IOP
O
3.3V
OUTPUT PORT (ON-MREN)
35
VDD (3.3V)
-----
POWER SOURCE (+3.3V)
36
VSS
GND
POWER SOURCE (GND)
37
VSS
GND
POWER SOURCE (GND)
38
VDD (3.3V)
-----
POWER SOURCE (+3.3V)
39
MIDAT/IOP
O
3.3V
OUTPUT PORT (TONE1EN)
40
MICLK/IOP
O
3.3V
OUTPUT PORT (CISON)
41
MILAT/IOP
O
3.3V
OUTPUT PORT (OPERESET)
42
20KOSC/IOP
I
3.3V
INPUT PORT (BELL)
43
XWAIT
I
3.3V
INPUT PORT (KOVER)
44
HSTRD/IOP
O
3.3V
NOT USED
45
HSTWR/IOP
O
3.3V
NOT USED
46
XOPRBE
O
3.3V
MFCS
47
ADR15
O
3.3V
CPU ADDRESS BUS 15 (NOT USED)
48
ADR14
O
3.3V
CPU ADDRESS BUS 14 (NOT USED)
49
ADR13
O
3.3V
CPU ADDRESS BUS 13 (NOT USED)
50
VDD (2.5V)
-----
POWER SOURCE (+2.5V)
51
XOUT
O
3.3V
SYSTEM CLOCK (24MHz)
52
XIN
I
3.3V
SYSTEM CLOCK (24MHz)
53
VSS
GND
POWER SOURCE (GND)
54
VDD (3.3V)
-----
POWER SOURCE (+3.3V)
55
XTEST
O
3.3V
24MHz CLOCK
56
TEST1
I
3.3V
HIGH FIXED
57
TEST2
I
3.3V
HIGH FIXED
58
TEST3
I
3.3V
HIGH FIXED
59
TEST4
I
3.3V
HIGH FIXED
60
XMDMINT
I
3.3V
MODEM INTERRUPT
61
XMDMCS
O
3.3V
MODEM CHIP SELECT
62
XRAS/IOP
O
3.3V
DRAM (IC503) ROW ADDRESS STROBE
63
XCAS1/IOP
O
3.3V
DRAM (IC503) CULUM ADDRESS STROBE
64
XCAS2/IOP
O
3.3V
DRAM(IC503) CHIPSELECT
65
XRESCS2
O
3.3V
GATE ARRAY CHIP SELECT
124
KX-FP363UA
Click on the first or last page to see other KX-FP363UA service manuals if exist.