– 55 –
MD-X8H
Figure 55 SCHEMATIC DIAGRAM (12/20)
7
8
9
10
11
12
1
2
3
Q274
KRC107 M
R270
270
L801
LINE
FILTER
(274)
(274)
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
2
1
8
7
6
5
4
3
2
1
4
3
2
1
2
1
2
1
2V
17.8V
0V
0.7V
0V
0V
0.4V
0.7V
17.8V
13.4V
2.9V
+B
+B
+B
MOTOR DRIVER
Q271,Q272:
RELAY
CNP741
TO LAMP PWB
P50 4-D
Q860~Q863:
VOLTAGE
REGURATOR
3
2
1
3
0V
4.6V
0V
2
1
–B
+B2
D802~D805:
GND2
–B1
GND1
+B1
AC POWER
SUPPLY
CORD(265)
AC 230V
50Hz
POWER PWB-B1
POWER
TRANSFORMER
T.F
–
+
–
+
FROM MIC PWB
CNS600B
P38 1-C
SPEAKERS
TERMINALS
OUL_L
OUL_R
SP_L-CH
SP_L-CH_GND
SP_R-CH_GND
SP_R-CH
RLY
FAN
MOTOR
3
2
1
3
2
1
V
4.5V
(0V)
0V
0V
0V
0.7V
0V
4.5V
0V
0V
0V
4.5V
0V
0V
0V
(3.4V)
4.5V
0V
0V
M
CORE (280)
When Servicing, pay attention as the area enclosed by this line
( ) is directly connected with AC main voltage.
0V
4.4V
( ): Power OFF
0V
0V
4.4V
BI830
CNS830
R867
18
BI850
CNS850
C807
10/25
C806
0.1(ML)
C805
0.1(ML)
C803
0.1(ML)
D802
D805
D803
RL104A
D804
C804
0.1(ML)
R801
3.9K
D815
RL104A
D814
RL104A
D813
RL104A
D812
RL104A
D820
RL104A
C891
4700/25
T801
871
00
F803
T5A L 125V
F802
T5A L 125V
F804
T1.6A L 250V
F805
T1.6A L 250V
CNP850
R865
2.2K
Q863
2SD2012
Q862
KRC107 M
ZD861
UZ130BSC
C861
47/25
C860
100/16
R861
220
D866
RL104A
88
00/25
C867
0.022
C868
0.022
R862
680
Q860
KTC3199 GR
Q861
2SD2012
72
50
Q871 KRC107 M
R873
10K
C802 0.22(ML)
C801
0.22
(ML)
D801
S4VB20
D871
1SS133
R868
18
R866
18
R869
18
Q297
KTC3199 GR
CNP201
M971
CNS961
R263
12K
C261 10/50
C262 10/50
D204
1SS133
R260
0.2
(1W)
CNP261
SO201
Q260
KRC107 M
R225
1K
R277
47K
R234
6.8
R236
6.8
R278
100
Q273
KTC3199 GR
D270
1SS133
D260
1SS133
D202
1SS133
D201
1SS133
D203
1SS133
Q298
KTC3199 GR
Q252
KTC3199 GR
R256
1K
251
022
1W)
252
0.2
W)
R254 10K
51
99 GR
R255
1K
C218
0.1
(ML)
R228
4.7
C217
0.1(ML)
C220
0.1
(ML)
R227
4.7
Q201
KRC107 M
R298 56K
R229
56K
R230 56K
C297 47/50
R271
22K
R272
22K
R274 470K
Q271 KTC3199 GR
R275
3.9K
Q272
2SA562 Y
ZD271
UZ6.2BSB
C272 220/10
C271
10/50
R276
47
RL201
D271
1SS133
D272
1SS133
R273
1K
R240
330
R239
330
D261
1SS133
R266
4.7
L204
3
µ
H
R265
4.7
L203
3
µ
H
C226
0.022
C228
0.022
C230 0.022
C231 0.022
R235
6.8
R233
6.8
C229 0.022
C225
0.022
C232 0.022
C227
0.022
C233 0.001
C234
0.001
C235
0.001
C236
0.001
L201
0.29
µ
H
C219
0.1 (ML)
L202
0.29
µ
H
Содержание MD-X7H
Страница 28: ...MD X7H MEMO 18 ...
Страница 29: ...MD X7H MEMO 19 ...