A
B
C
D
E
F
G
H
1
2
3
4
5
6
RX-E400
14
CH 2
CH 1
Point
q
(Pin 11 of IC700)
V : 2V/div, H : 10
µ
sec/div
DC, 1 : 1 probe
0V
Point
e
CH 1 : Collector of Q701
CH 2 : Collector of Q702
V : 2V/div (CH 1)
V : 5V/div (CH 2)
DC, 1 : 1 probe, H : 0.5sec/div
Point
w
(Pin 13 of IC700)
V : 2V/div, H : 50nsec/div
DC, 1 : 1 probe
0V
AC CORD : OFF
AC CORD : ON
■
PRINTED CIRCUIT BOARD (Foil side)
0V
0V
OPERATION P. C. B.
(Lead Type Device View)
DG
PR
Y
12S
F1
F2
MAIN (1)
W705
#3
PLA
YSP
—
VP
PROPS
VOLDN
PRO-I
CLK
DA
T
-O
MUT
-T
SYSIO
ST/MO
TH
DES
VOLUP
CE
DA
T
-I
MUT
-A
ST
A
MAIN (1)
PRESET/TUNING
INPUT
BALANCE
PRESET/BAND
AUTO/
MAN’L
MEMORY
DISPLAY
BASS
TREBLE
TINR
T
OUTR
TFBR
E
E
T
OUTL
TFBL
TINL
E
HP-R
HP-L
MAIN (3)
#2
W706
STANDBY/ON
PHONES
TIMER
OPERATION P. C. B.
(Surface Mount Device View)
2
1
3
1
30
31
50
51
80
81
100
Ref. No.
Location
D701
D5
D702
D5
D703
D5
D705
E4
D706
E5
D707
E5
D708
E5
D709
E5
D710
E5
D711
E5
●
Semiconductor Location
Ref. No.
Location
IC700
D5
Ref. No.
Location
Q700
E2
Q701
E5
Q702
E2
Q703
E5
