Sanyo DC-D5 - Page 32

ii
IC BLOCK DIAGRAM (CD SECTION)
ICI03 uPD75112GF-796-3BE (Micro Processor for CD & Tape Deck)
.
PIN No. SIGNAL NAME
PORT NAME
DESCRIPTION
1/0
1
CD MUTE
P41
Control Signal of CD Muting
o
2 P CON
P42
Power Control Signal (POWER ON)
ACTWE : High o
3
VIDEO P53
VIDEO Position Siqnal of Function Switch
ACTIVE : Hiqh o
4 TUNER
P52
TUNER Position Signal of Function Switch
ACTIVE : High o
5
TAPE
P51
TAPE Position Signal of Function Switch
ACTIVE : High o
6 CD
P50 CD Position Signal of Function Switch
ACTIVE : High o
7 RSET
RESET System Reset
I
8
x2
Xo
X’tal 0ut(4.19 MHz)
o
9
xl
xl
X’tal In (4.19 MHz)
I
10
CRECL P
P63
Editorship of REC is in progress
o
11
POWER
P62
Power ON Signal
12 PLAY P
ACTIVE : High
o
P61
PLAY Siqnal
ACTIVE : LOW o
13
STOP
P60
STOP Signal
ACTIVE : LOW o
14 PULL UP
P73
STAN DBY (Stoppage Failure of Electricity) Signal
ACTIVE : LOW o
15
SYNCRO
P72 Synchronous Operation Siqnal
o
16
VOL UP
P71
Volume Up Signal
o
17 VOL DOWN
P70
Volume Down Signal
o
18 A MUTE
P83
Control Siqnal of Analoque Audio Muting
o
19
STANDBY
P82
Control Signal of STANDBY LED
o
20 P CON 2
P81
Power Control 2 Siqnal (POWER ON)
ACTWE : High
o
26
Vss
Vss
Ground
..-
27 SUB BUSY
P13
Busy Signal In from Sub Micro Processor (For Tuner)
I
28
V CHK
P12
Detection Siqnal for Stoppage Failure of Electricity
I
29 WRQ
PI 1
DSP (Diqital Siqnal Processor) Interface [Sub Q
Request]
I
30 IR
Plo -
Infrared Ray
Receiving (Remocon) Signal
I
31
FUNC IN
PTH03
Function Switch Signal
I
32
KEY2
PTH02
Key Input Siqnal
I
33
KEY1
PTHO1
Key Input Signal
I
34
KEYO
PTHOO
Key Input Siqna[
I
35
THLD
TIO
THLD Siqnal
I
PC K!,- TIl &lo+ I Ica.-l [ L K\/\
I nl I mnl IT I ma ISI I m<P (Dimital Sirrnal Proce,
-74 , ,.s
I
.,-e
1
-------- ,. __,
Ilc
i ‘PEN SW I P122
I Switch Detectiol
t
-> ,
,“.-
1
,,4-.
I
..-. ---- ,-----
50
I
REC SW
I P132
I Switch Detectio!
c, I ntrlrr n?zl~ l?!, n ni. c,,-+ir,” ,-..
au IVL
,,1
,.”. “..=”, ! ./. ,
---
37
SLED OUT
P23
Outer Direction Signal for SLED Motor
o
38 NC
P22
Not Used (Ground)
---
. . -, -,.,., m-. ,- L-.-_, n:---A:A
n Signal for SLED Motor
o
an I
RWr_ lP2rl -- I DSP (Diaital Sianal Processor) Interface [Command Latch]
o
I
Y, .y vu. .“-, -.
---- ----- ~... . . . ---
Jsor) Interface [Sub
Q Data]
42
COIN
P02 /s0
DSP (Digital Signal Processor) Interface [Command Data]
o
43
CQCK
PO1/SCK
DSP (Digital Signal Processor) Interface [Clock]
o
44
DRF
Poo /INT4
DRF Siqnal
I
AC Alr PI>? Not I I<wi (VITD)
..-
.“ VI
I
Signal for Open End of CD Tray
I
47
LIMIT SW
I P121
Switch Detection Siqnal for Limit of Pickup
I
48 NC
I P120
Not Used (Ground)
---
flo
rdr D1?2 Nnt I ICQ,-! (Grn[lnd)
..-
I Siqnal for REC of TAPE
Deck Mechanism
ACTIVE : Hiqh
[
J1 I uln LL
I
.IJ!
, ,,”,, u,,=~.,v,, “f TAPE (Edge Detection)
I
52 I NC
I P130
I Not Used (VDD)
---
--, =.> .-, m.. ? I ~-,--.
.:---t --- DAC(Diqital to Analogue Converter)
I
, High-speed Access
I
wmcA ~.
~unkln
[
33 UAL JtL
r145
>Wel-1. >Iyrlal tul
54 HI SEL
P142
Select Signal for
55
VIDEO SEL
P141
Select Signal of .,=-w
56 NC
P140
Not Used (VDD)
57 NC
NC
Not Connection (Vmm~
.0 ,,mm ,,nm
❑ ,-.,.?-. c,,r.nl,, L
w
I
UKV IVIU I t
I
r5z
I
Unlvc Ivlullrly .2
61
I
DSP RESET
] P31
I Reset Control Si
1
62 I ATT
I P30
] DAC (Dtqltal to
I
63
I SHIFT
I P43
I
DAC (Diqital to
-., .- -,, -.- I mAc, m:_, ._, .-
“!
—
—
—
,,
”!.”
1
7
---
---
I
Vuu
I
““”
1
.“.. =4 ,“~~!y . 5V
---
;;
I NC
1P33
I Not Used (Open)
---
-- 1--. , ... ,-- t ,----
1‘n’”r ‘“A’-- cignal for CD
o
qnal for DSP (Diqital Signal Processor)
o
Analogue Converter) Interface [Data]
o
Analoque Converter) Interface [Clock]
o
I
b4
I
L,4 I Cll
1
Y4L I UJK \Wgl Ldl w Analogue COnVerter) lnterfaCe [Latch]
o
.\
.. ... ..
...’ .,. .