Schematic Diagram (Digital Circuit) - Panasonic KX-F900 Service Manual

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SCHEMATIC DIAGRAM (DIGITAL CIRCUIT)
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9 [ 10 I 11 __ 12 13 _ 14 j Ib
16 1/ 1
1u
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DRIVE _
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O!
÷5v
CNB R42
/S_o I B 2
3ENSOR v_ I TX MOTOR
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TP14
VIDEO
C40 ZO. t
C42 *5VF
JI5P
C43
JI5P
+24V
03 --
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7
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tt lot zt s I !.;
12 IQ2 121 s I ir_
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LEO LED-ON/OFF /
LEO-0N/OFF
CUT-POS
TP9 (:> AM0
+SV
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o
CN9
Na _
NA 3
HEAD-BUS , .# TP5
MU 1Uri..
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03
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NS _
NA 3
D 2
A !
RX MOTOR
[DP21
[DP22
[DP23
[DP24
[DP25
[0P26
[0P27
[OPiO
[OPt!
ALE
RMO
RM1
RM2
TP6
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ASICl
+24V
ICI
24MHz
TP7
+5V
_DVSS
ADRIO
ADR9
AOR8
AOR7
AOR6
ADR5
ADR4
DVSS
ADR3
ADR2
ADRI
ADRO
DBO
DBt
DB2
OB3
DVSS
DVDD
DB4
DB5
DB6
OB7
IOPI2
IOP13
lOP!4
OVDD
XROMCS
XNOMCS
XANLGCS --
XRESCS!
XRESCS2
XORO
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TH N/OFF
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12
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\ A5 7
\ A6 6
\ A7
5
\ All 25
\ A12 4
\RBAO 28
\RBAt 29
\ RBA4 30
]c2 ROM
• AO
DO 13 O0 /
At DI 14 01 /
A2 02 15 02
/
• A3 D3 t7 03 /
A4 D4 18 04 /
A5 D5 19 D5 /
A6 D6 20 06 /
A7 D7 21 [37 /
A8
A9
+SV
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AI3
A14
A15 .
A16
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R4B 56K E
RM0 .... _._[- !_
RM1 ___
RM2 __F-l__
RM3 _J---I__
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+24V 2
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5
6
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R63
22
\ AO I0
At
21
A2 9
\ A3 8
\ A4 7
\
A5
6
\ AB 26
\ A7 4
AS 5 A9 25
\ AID 23
\ All 24
\RBAO 3
\ RBA! 2
\ RBA2 1
It3
SRAM
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14
75
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11
D5
D6
66
B!
89
92
\ AO 60
\ AI 59
\ A2 58
\ A3 57
\ A4 56
63
+5v
14
DAT-B
A Ol 19
A Ol 1B
A OI 17
A Ol 16
A 01 15
A OI 13
A 01 12
A 01 11
A
A
A VCC ! 2B
A
A
A _g _01,___.__
A
WE _
-- GND
+5VF
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5
7
94
93
R35 _ 4.7K 64
82
52
55
53
B6
TP1 0 90
TP2 0 85
TP3 0
TP4 O 83
CNI
124V I
GNO!
GN02
GNO3
*SV
RNU
TMU
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TX
TONE!
ANALOG- _
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GP I9 GPD! C 11 C88
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//
// R37
C90
TXLDSS"
TXD
DCLK _XLDSS2
DCLKI
TXLDSSI
RXD
BYPASS
R_ DADUT
W-_ DAIF
ADOUI
EYEX ADIF
EYEY XCLk
;YECLK YCLk
;CLKINI
_YECLKX PORI
_YESYNC
4O
36 AG
B8 7"_ "
35
2_L
67
69
68
CCO-ON/OFF
CDL-B
66 _24V
• R65
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LED ARRAY
L5 :1 LC2
+5V
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TPD 0 2_
99
54
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3YNCIN2 XTL1
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ISWGAIND
NC
!SMGAINI
NC
L-- NC
ICS NC
ENB5 NC
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C91
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0 dlBP
100
+5V
R61
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C65
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06
R67
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T_P_O
TPI 1
WATCH DOG ERROR
_5V (NORMAL)
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CCO-ON/OFF /
+SV
:ESET
c9
+SVP i
: ........... L i CO7
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OP-B
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R29 100
R30 4.7K
COL-B
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ICll
AQ:Q-_
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ANALOG-2
ON2
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TONE2 TONE2/BELL 5 OnO0 i
BELL 7
02
8 D3
IR60 IOK C57 N0. I " g 04
AO
+5V
--I
CBUSY l
too
1oo
too
too
,oo ANALOG-3
tOO
tO0
SOD CN3
tO0
0 R70 tO0
R72 tO0
CCD
R71 iDO
R73 I_0
R75 O C58 MD.I
R74
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FII
F2 /
FTG /
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PI_XRST
2
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R
OP-PANEL
\ CSI
CSD CBUSY2
1
2
3
4
5
t ) . Nut Oboe:
CPC
CSI
CCLK
CBUSYI
CSO
CBUSY;
187-