Sanyo DC Service Manual page 20

IC BLOCK DIAGRAM (CD)
1cI03 uP1375116-F56
(CD Micro Processor)
1 I LIJ
Ivlult
I t'4 I I LonTrol Signal c
PIN
No.
SIGNAL NAME
PORT NAME
DESCRIPTION
1/0
I -R ... ,7-
I m.. 1 -., -.
'
]f Analogue Mutinq
o
2
P CONT P40
Control Signal of Power Suppiy for CD Circu N
o
3
NC P53 Not Used (Open)
o
a
FC P<>
Ff, nr-t, nn CJ-In+rql c S,gnal
o
IIB
Signal
o
!
4-
1
--
t
"$, ..,",! ._"! r.4k
5
I FB I P51 I Function Contrc
6
j FA I P50
I Function Contrc
7
RESET RESET
System Reset
8 x2
Xo
X?al 0ut(4.19 h
9
xl xl X'tal In (4.19 Mt
. . .. -,,,/ --- -.. .
I
IL
I v utL i I t-o
I I ue~ec~lon
>iqna
13 I TU MUTE I P60 I Control Signal c
,A Inlr I
07> Nl,-.+ I !.,. ,4 {C. A,,.
II A
slqnal
o
I I I
I
JHz)
o
iz)
I
I
lCJ
I v
Lti K [ Ybj
1
uewctlon >Ignal of the Stopp age Failure of Electricity
I
11 lv DECO I P62 I Detection Signal Out of Voltage Drop
o
.- 1 ., -,-7, mr. -. .-–..-. -.
I In of Voltaqe Drop I
)f Tuner Muting
o
,"<
I r,> ,wu. ">="
,u, uu,>d)
;;
I
Nc
P72 Not Used (Ground)
I
16 DUB IN P71 Dubbing Signal
I
?7 TA AC
D7n C,, me+; fim C;,.,, >1
for Tape Deck
I
18
Fic I
P83 Not Used (Open)
o
19 NC I P82 Not Used (Open)
o
-,6 ,-,., /-.,., "", c.,..-,-——!.. – " "
'--nstant Linear Veloc!ty) Gain
o
——
I
wilcro ~rocessc)r (fl PD75512) o
c< I
f+:wlr Jul\
I r >J
I LIULK UUL w J
Micro Processor (IJPD7551 2) o
23
I TRAY LED I P92
I CD Tray Indicator LED o
-. I .,. - em m,-, . -.. –/.. . . . . . .
'roces!or (,~PD73508) o
0 Ivllcro Processor (,xPD73508) o
LU
I LLv Ul+!lv
I
ro I 1 3eIect
>ignal Tor
LLV \Lo
21 \ AMP SO I P80 I Data Out to AD '"' -
7-I I A&n D
Crl,' Do> C7a. b n,. + +- fin
L4 >UB
>U
rY 1
uaIa UUK 10 juo kolcro r
25 SUB SCK
P90
Clock Out to
Su! '-' -
26
V5S Vss
Ground
I
27 SUB BUSY
P13/l NT3
Busy Siqnal In from Sub Micro Processor (~ PD73508) I
.—
I PIO/lNTO I Infrared Ray Receivinq (f?
I PTH03 I Key input Signal
28 AMP BUSY
I P12/lNT2
I 8usy Signal In from AD Micro Processor (PPD75512) II
29 WRO
I Pll /lNT1 I DSP (Diaital Sianal Processor) Interface [Sub Q Request]
I
30 IR
I
31
emocon) Siqnal
KEY3 I
32 KEY2
.
PTH02 Key Input Signal I
33 KEY1
PTHO 1 Key Input Siqnal I
34
KEYO PTHCK) Key Input Siqnal I
35- NC
TIO
Not Used (Open)
.36 NC
Tl 1
Not Used (Open)
37 CLOSE
P23
Control Signal of Tray Cl
i'8 CIK OLJT P721PCL Clock
finnal
for
Arii~J!tm
-- ------- ..---- ----- .
ent
;; '-'
OPE~-"
o
P21 /PTO1 Control Siqnal of Tray Open
o
40 RWC P20 / PTOO DSP (Digital Signal Processor) Interface [Command Latch]
o
41 SQOUT
Po3/sl
DSP (Diqital Signal Processcr) Interface [Sub Q Data]
I
u? COIN ?02 1s0 DIP
(Dinhal Sinnal processor) Interface [command Data]
o
I
-----
.—. . -
--- \- ---- ----
a? t ffif K I Pnl /<rK I ~<P
(~inltal $inr
t
-re,. ,
1
."- ..,., .
1 -,
>,-.,." ,
45
I OPN SW
I P123 I Switch Detect!ol
AC I inn
c!Af 01?7 C..,, +.l. n-+- .+;-,
I
.-
1
-y -.. 1 ------- . 1 --- ,-,
> . . . . .
~,jal Processcr) Interface [Clock] o
ah
nRF pm / INITLI nuc <innal
II
I
Siqnal for Open End of CD Tray I
-+" L18. t
,."
r,c,2
,.. +LLII UC LCLLIU,I
S,gnal for Limit of Pickup I
47 NC P121 Not Used (Ground) I
48 NC P120
Not Used (Ground)
I
49 NC P133 Not Used (Ground) 1
50 NC
P132 Not Used (Ground) I
51 SW PRE
P131
Select Siqnal from ON /OFF Switch for Pre Niutinq
I
. . e,", ,,, .,- m,an .-, -.. c: ---, ..-_
~., ,~.~ c.. --h for ~,gh s~eed Access
I
)m
UN
/u FI-
>wi~ch f or DAC
(Diqital to Analoque Converter)
I
Im TU /BAND or FIM Switch for Remocon Function I
JL >Vv r-ii HL
rd>u
I >ele Ll >Iglldl irurll ulv~urr 3.".'!(L
53 SW DAC
p:43
I
- .,, ,.. ,--,- .. .
Select Signal fro
I
54 SW BAND
P142 I Select Siqnal fro
1-
55
SW PST
P141 Select Signal frc
56 SWSD
P140
Select Signal frc
57 Nc
NC Not Connection
co $,nn !Jnn n,., .,-. c., --!.,
"-, ,--,
s, ,
1 .
-L
1 ---
,U! ,.", ." ,
lm PST UP or SCAN Switch for Remocon Function
I
I
Im S /D Series Switch
II
,4
20
Vuu
I VI/u
!
r",
"e,
,"pply
. 5V
59 PULL UP
i P33
Power supply to Pull Up Resistors
o
60 NC
I P32 Not Used (Open)
o
c1
ncD l?Lc D2 ?
'nCO+ 'fi-+-fil c,~nal for
DSP (Dicltal S!gnal Proce~sor)
o
1
H,,
1
r." I UHC \Ulyl LCIl LU
Analogue Converter)
lnterfaCe
!Data]
o
i;
I
SHIFT
I P43 I DAC (Dlq,tal to Analoque Converter) Interface [Clock]
o
KA I
ATCU DA 7
I nAr (nin,+~l fm
4nalogue Converter) Interface [Latch]
o
i
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