Casio CZ-1 Service Manual And Spare Parts List page 74

4.
MAJOR
WAVEFORMS
Notts:
Photographs
marked
®
show
storad
wavaforms
in
a
memory
scope.
The
analog
waveforms were observed
via a
28
Kohm
resistor.
Probe
reduction;
10:1
Otcilloscopa probt
Checkpoint
©pPO7810H
dock pulM
PCS M51S4-MA1M
TC74HC04P2pin2
0.1jiS/div,0.2V/dlv
j*08049HC
dock
pulte
PCB M61S444A1M
TC74HC04P-1
pin 11
0.niS/div,0.2V7dlv
©
/*D933AC
clock puis*
PCB M5154-MA1M
l*D933AC
pin 8
0.lMS/div
#
0^V/div
®*PO7810HWAiignal
©
jrf»D4484C cEslenal
©
Kay common
signal
PCB M5164-MA1M
PCB M61644IA1M
PCB M6177KY2M
MP07810H
(SUB)
pin
48
jiPD4484C-16L-1 pin 20
Refer to paga
9
StfiS/div.
O^V/dW
6*jS/div. 0.2 V/div O^mS/div,
0.2 V/div
©
Kay
input
*ignal
PCB M5177-KY2M
Rtftf to papa 9
0.2mS/div.0.2V/di¥
-13-