A
B
C
D
E
F
G
H
1
2
3
4
5
6
DSP-E800
■
PRINTED CIRCUIT BOARD (Foil side)
32
33
Point
q
(Pin13 of IC701)
V : 2V/div
H : 0.1
µ
sec/div
DC range
1 : 1 probe
0V
Point
w
CH1 : Emitter of Q706
CH2 : Collector of Q705
V : 5V/div (CH1)
V : 5V/div (CH2)
H : 5 sec/div
DC range
1 : 1 probe
(This waveform is not available by pushing
the power switch ON and OFF.)
CH 1
CH 2
AC cord ON
AC cord OFF
EXT
/ICD
DBL
TXA
C
INTD
SCKD
MG
MG
SCK
CEA
C1
/CSD
VDN
DTB
CELC
PR
V2
ERRA
CEA
C2
RXA
C
CLKA
C
SOD
SID
MG
+5M
SDT
FMT
CECOD
VUP
CKB
CETC
FROM : INPUT (1)
TO : POWER
TRANSFORMER
OPERATION ( 1 ) P. C. B.
TAPE/MD
MON
EFFECT
Q
PROGRAM
W
INPUT
MODE
INPUT
SELECTOR
STANDBY/
ON
–
SET MENU
NEXT
+
1
30
31
50
51
80 81
100
MG
MG
PRD
S12
PR
Y
ER
Y
PRI
VP
PR
V1
TO : MAIN (1)
#702
W702
W752
GY
W751
GY
2
2
1
OPERATION ( 2 ) P. C. B.
FROM : INPUT (1)
+10
VDN
–12
RRO
LPEO
RO
E
LO
RLI
CI
E
E
VG
VUP
+12A
RLO
CO
E
E
RRI
LFEI
RI
E
LI
V
O
LUME
1
4
5
8
1
4
5
8
1
4
5
8
1
10
C
RR
RL
+5
+10
–
25
+25
E
E
+5D
–
5
+12
–
12
VG
FROM : INPUT (1)
+25
–25
+10
+5D
+5
–5
+12
–12
VG
FR
OM :
MAIN (4)
C
E
RR
E
RL
FR
OM :
MAIN (1)
OPERATION ( 3 ) P. C. B.
Ref. No.
Location
D701
D3
D702
B3
D703
B3
D704
D3
D705
C2
D706
D3
D707
D3
D708
B3
D709
B3
D710
B2
D711
B2
D712
B2
D801
B5
IC701
D2
IC702
B2
IC801
C5
IC802
C5
IC803
D5
IC804
B5
Q701
C2
Q702
C2
Q703
E3
Q704
E3
Q705
B3
Q706
B2
●
Semiconductor Location
Содержание DSP-E800
Страница 7: ...DSP E800 DSP E800 4 2 MEMO ...