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b502 Source
CO)
p-p, 50ns
311 ©, @pin
PWM, PWMR)
AY mode
p-p, T0ps
311 ®, ®pin
LAY mode
p-p, 10ps
NANA
AD
ivvidy
330 @pin
OUT)
B5Vp-p, 20us
N PWM, AGC PWM)
@ 1C330 ®pin
(XIN)
925mVp-p, 20us
@® 1C330 ®pin
(XINTR)
5.2Vp-p, 0.1ps
4-3.
CIRCUIT BOARDS
LOCATION
PRIMARY
board
REG 6.6V board
RELAY
board
LED board
CONTROL
(S) board
(US, Canadian model)
TIMER SW board
REG 5V
boa
HEADPHONE.
JACK board
HEADPHONE
VOL board
DISPLAY
board
MAIN board
BATTERY
board
INPUT SW board
REC VOL board
4-4. SEMICONDUCTOR
LEAD LAYOUTS
CS5339-KP
CXD2601AQ
LM358M
SN74HCO
CXD8493P
SN74HCL
SN74HCE
8765
SN74LS6
C
ne
ss
uPD4011
an
14
um
1234
(TOP
VIEW:
'
100 =
(TOP VIEW)
1
CX20115A
ean
SN74HC4020ANS
M5218AL
CXK1011P
M54641L
8765
TA79005:
andl
TA79012:!
1234
(TOP VIEW)
(TOP. VIEW)
12345678
a
CXK58257AM-10LL
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