Sharp SYSTEM-CD555ZT(GY) - Replacement Parts List (Resistors); Resistors (Part 1)

{C951 RH-iX1504AFZZ (IX1504): Control Microcomputer
Name
Output
NTR
Input/
LCD segment output
Sub-code Q data frame sync
Laser diode control
Frame cycle status
Data input from servo IC
Sub-code Q data input
Disc motor low rotating status
Clock for sub-code Q
CRC check of sub-code Q data
Jump control signal
Serial data output
Latch for serial data
Clock for serial data
Play start from external
CD synchro mode input
CD synchro mode output
CD synchro mode output
MUTE Output | Audio muting control
PU IN innermost position detection signal
tnnermost position=0
Servo control
ervo control
lock signal
lock signal
Clock signal
ce)
=
s
&
SYCLK
SUBQ
input
JP1
input
m at m x
1-7
10
1
12
13
14
15
—_
=
a
6
ut
5
6
LA <
Output
QO
=
nm
eee
5
4
cic Aaj- x Oo
SC IN
27* SC OUT
XC IN
XC OUT
QO}
wo
i=)
1
@
Power supply for micro-computer 5 V
Terminal for externally connecting capacitor
Reset input
Connect to earth
Earth for A-D commutator
Power supply for A-D commutator
Reference voltage for A-D commutator
KEY scan input
Output | LCD segment output
LCD segment output
LCD segment output
input
ESET
37
VREF
40, 41
2
43-53 | S2-$12
alglels|slzlzlelalo|s|a|a] a O/Gl= G/H|Q\z
8/15 G
LCD segment output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1C810 VHITDA1311T-T (TDA1311T): D/A Converter
Terminal ph tag
jhe | "Mame" | caper | Femeton || |
rs [yoo | put — | Boppy vtage 5V
ical
cca
me
| 55, 56 | $14,515 Output | LCD segment output :
COMS | Ouput_| LODeommen oust ———SSSC~—S—SCSCSC“CSsC“‘“—s—‘sC“‘“‘“‘“<CSt~*Y
COM 20 | Ouput | LODeommen ouput —SSSSSCSC~C—CSSCSCSC“‘“S*SC“‘“‘“SSCSCSCSC~*d
61-69 | vic 1-8 | Ouput
UC Seger utp A
ws Output” Let channel ouput
DATA | Input |[Dalainpa Sd [= | Not connected
fe [eno | — [ona SSCS Ouipat
Right channel output