Sanyo DC - IC BLOCK DIAGRAM (FRONT); IC251 µPD75306 GF-225-389 (Tuner & LCD Driveing Micro Processor)

IC BLOCK DIAGRAM (FRONT)
IC251 PPD75306GF-225-3B9 (Tuner & LCD Driveing Micro Processor)
PIN No.
SIGNAL NAME PORT NAME
DESCRIPTION
1/0 CONNECT
1
1
SEG12 S12 Seqment of Liquid Crystal Display
LCD
2 SEG13 S13
Segment of Liquid Crystal Display
LCD
3
SEG14 S14
Segment of Liquid Crystal Display
LCD
4
SEG15 S15 Segment of Liquid Crystal Display
LCD
5
SEG16
S16
Segment of Liquid Crystal Display
LCD
6 SEG17
S17
Seqment of L!quid Crystal Display
LCD
7 SEG18 S18
Segment of Liquid Crystal Display
LCD
8 SEG19
S19
Seqment of Liquid Crystal Display
LCD
9
SEG20 S20
Segment of Liquid Crystal Display
LCD
10 SEG21 S21
Seqment of Liquid Crystal Display
LCD
11 SEG22 S22
Segment of Liquid Crystal Display
LCD
12 SEG23 S23
Segment of Liquid Crystal Display
LCD
13 SEG24
S24/BPO
Seqrnent of Liquid Crystal Display
LCD
14 SEG25 S25/BPl
Segment of Liquid Crystal Display
LCD
15 SEG26 S26/BP2
Segment of Liquid Crystal Display
LCD
16
SEG27
S271BP3
Seqrnent of Liquid Crystal Display
LCD
17
AUTO
S28/BP4 Auto Tuning Signal
ACTIVE : HIGH LEVEL
o TUNER
18 NC S29/BP5 Not Used (Open)
o OPEN
19 NC S30/BP6
Not Used
(Open) o OPEN
20 NC S31 /BP7
Not Used (Open)
o OPEN
21
COM O
COMO
Common of Liquid Crystal Display
LCD
22
COM 1
COM1
Common of Liquid Crystal Display
LCD
23 COM 2 COM2
Common of Liquid Crystal Display
LCD
24 COM 3 COM3
Common of Liquid Crystal Display
LCD
25 BIAS
BIAS
Bias of Liquid Crystal
Display
I
26
VLCO
v, <~
Power Supply for Drive of Liquid Crystal Display
27
VLC1 v, r’,
Power Supply f
t
-------- ~r.,. v.- ...-
?Cl i STFP
I Purl I
AM ‘iton <oloctinn
I 28
‘or Orive of Liquid Crystal Display
I VLC2
i v, -.
I
Pnwpr <I)nnlv for ~riup of Liquid Crystal Display
I
--- .-. ..-
1
. . . ..-y - .-..-...”..
./<bf Z (Vnn)/ 10kHz (V$$)
I TUNER
?0 I
<T
I Pfll KT <inmal
ACTIVE : LOW LEVEL
I TUNER
51
I
>U
I
r4z
I
>u >Iqnai
ACTWE : LOW LEVEL
I
TUNER
32 I NC
I P43
I Not Used (Ground)
I v$~
33
Vss V<5
Ground
34
CE (S)
P50
Data Signal from LM7001 (For S Series)
o
TUNER
35 CLK (SJ
PSI
Data Sional from LM7f)01 (For S Series)
o
TUNER
A
.
. . . .
ii i
‘- ‘-’Do K)
I P<? I ~ata <innal from I M7CM
J“ , !.s
I
,
“”,,,.,-.
39 ] SCK
I PO1 /SCK
- - \-.
---
----- ,., -,. .“,,,-,.,,”
.)1
(For S Series)
o
TUNER
ii
I MONO (S)
I P53
Compulsion Monaural (For S Series)
ACTIVE : HIGH LEVEL
o TUNER
2Q Nr
Don / lhl-rA
Not Used (Ground)
I V<$
Clock Signal In from Main Micro Processor (PPD651 17)
I
MAIN ,uCON
Not Used (Ground)
v<<
I al I <1
I rmalcll<Rl
Data In from Main Micro Processor (PPD651 17)
I
MAIN pCON
Not Used (Ground)
I
V5<
I
40 I NC
I
P02/SO/SBO
..” .
1
!“-r-. #”-.
42 ~NC
I PIO/lNTO
43 I NC
t Pll /lNT1
Not Used (Ground)
I
v<<
44 NC P12/lNT2
Not Used (Ground)
I
v~~
45 NC
P13/TIO Not Used (Ground)
I
v<<
46 WIDE
P2OIPTIOO
Select $ional for AM $iqnal
Type
Wide
(H IGH)/ Narrow (LOW)
o
TUNER
---- .-,
.- ..-. . . .. . . . .- .,.- S Series)
ACTIVE : HIGH LEVEL
o
TUNER
48
I MUTE
I P22/PCL I Tuner Mute Signal ACTIVE : HIGH LEVEL
o
TUNER
&a RI I<v
D>21nl17
I
Busy Signal Out to Main Micro Process
I
_--..
-.
. -.
47
I Pcxl (f)
1P;;”” ‘- I Tllnpr PrIw Pr <innal (Fnr
-< , -“~m
1
rL<, .J” L
49
I BUSY
I P23/BUZ
50 I $0
. -----
.r —--
1 P?L-L/lC-nc[ I Initial Spt for ll~pr = Cnl, ntrv (OnOn or Gro!lnrl)
or (PPD651 17)
o
MAIN /JCON
f~v~crnal Out to Main Micro Processor (,,PD651 17)
o
MAIN ,uCON
1
$
------- --
----- ---- ---- .. . .
,----- -------- ,
ii
ii
P31 /SYNC Initial Set for User = Country (Open or Ground)
I
52 S2
P32 Initial Set for User = Country (Open
or Ground)
I
53
S3 (FM MUTE)
P33
Select Signal for FM Auto Mute
I
5a
SET (Open) / NOT (V~$)
Vnn
v . .
Pnwer ~tjnnlv + <V
v . .
I 55 t
NC
I XT1 I Nnt I I<oA (Grn!, ncil (
I
-- ..-
. . . .
..”. . . . .
,- .--..-,
3SC X’tal Terminal for Main Clock
v~$
56 NC
XT2
Not Used (Open) OSC X’tal Terminal for Main Clock
o
57 NC
NC
Non Connection
58 xl xl
X’tal In (4.194304 MHz)
I
,
.....
59 x2
Xo X’tal 0ut(4.194304 MHz)
o
60
S4(12H/24H)
P60 / KRO Select Signal for CLOCK 24H (Open)/ 12H (V$~)
I
I
61
S5 (AM IF)
P61 /KR1 Select Signal for AM IF SET (Ope_n)/ NOT (V$<)
I
TUNER
62
s6(D/s)
P62 I KR2
Select Signal for D & S Series
SET (Open) / NOT (V$~)
I
48
MUTE
P22 / PCL
Tuner Mute Siqnal
ACTIVE : HIGH LEVEL
o
TUNER
63
MONO (D) P63 I KR3
Compulsion Monaural (For D Series)
ACTIVE : HIGH LEVEL
o
TUNER
64
DO (D)
P70 I KR4
Data Signal from LM7001 (For D Series)
o
TUNER
65
CLK {D)
P71 IKR5 Data Signal from LM7001 (For D Series)
o
TUNER
-25-