Printed Circuit Board - Yamaha crx-e200 Service Manual

A
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD (Foil side)
1
FROM : MAIN (1)
2
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
5
w w w
.
6
B C
P. C. B. OPERATION
(Lead Type Device View)
AUDIO DG
PRO-PS TH
DES FAN-FE
VOL-DN FAN-DR
SYS-I/O VOL-UP
PRO-I RLY-SP
CLK CE
DAT-O DAT-I
MUT-T MUT-A
STMO STA
PRESET/TUNING
INPUT
BALANCE TREBLE
#501
W501
TO : MAIN (1)
P. C. B. OPERATION
(Surface Mount Device View)
x a o
y
i
http://www.xiaoyu163.com D E
8
#503
W503
TO : MAIN (4)
AUTO/
PRESET/BAND DISPLAY
MAN'L MEMORY
BASS
Q Q
3 7 6 3
u 1 6 3
.
2
E-18/J-16
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F
2 4
9 9 8
TIMER
STANDBY
12S
PRY
DG
Point q (Pin 11 of IC501)
V : 2V/div, H : 10µsec/div
STANDBY/
DC, 1 : 1 probe
ON
1 5 1 5 0 8 9 2 4
0V
Point w (Pin 13 of IC501)
1
V : 2V/div, H : 50nsec/div
DC, 1 : 1 probe
0V
3
Point e
CH 1 : Collector of Q504
CH 2 : Collector of Q505
V : 2V/div (CH 1)
V : 5V/div (CH 2)
DC, 1 : 1 probe, H : 0.5sec/div
m
CH 1
c o
0V
CH 2
0V
3
AC CORD : ON
G H
RX-E200
2
9 9
9 8 2 9 9
AC CORD : OFF
E-19/J-17