11 - 2
11 - 2
VREF
STB
MUTE
17
(forseen only)
(forseen
only)
(230V MAINS SUPPLY ) DC VOLTAGES MEASURED IN :
19
COMBI BOARD - POWER AMPLIFIER PART
POWERSTAGE
L
L
R
R
L
L
R
R
to 3547/3548
DIGITAL SOUND
LS BOX
LS BOX
left
right
Clickfit
socket
8R
8R
PROTECTION
8
9
10
11
12
13
14
15
16
2335 G7
18
CONTROL (DSC)
HEADPHONE SOCKET
16 - 150 ohm
Source Selection and Sound Control Part
(forseen only)
from
0V
4.7V
0V
3.1V
6.2V
6.2V
0V
V
CD Mode 1KHz , 0dB track, DSC "OPTIMAL", DBB "OFF", INCR "OFF", VOLUME "20"
Tuner Mode 1KHz , df "22.5kHz", DSC "OPTIMAL", DBB "OFF", INCR "OFF", VOLUME "20"
Standby Mode
MUTE OFF/ON
10
11
12
13
14
15
16
17
18
3342 B15
A
B
C
D
E
F
G
H
I
J
K
L
4.7V
4.7V
4.7V
1
2
3
4
5
6
7
K
L
1330 B18
1331 F18
2330 C10
2331 G6
2332 E6
2333 F7
2334 E7
7334 C6
2336 F7
2337 G13
2338 F13
2339 H13
2340 E13
2341 A15
2342 B15
2343 B16
2344 B16
2345 F17
2346 F17
2347 H15
19
1
2
3
4
5
6
7
8
9
3333 G7
3334 F7
3335 G12
3336 F12
3337 H12
3338 E12
3339 A14
3340 C14
3341 B15
3343 G12
3344 E12
3345 G12
3346 E12
3347 I11
3348 I9
3349 I10
3350 L10
3351 J16
3352 J15
3353 J14
3354 C6
A
B
C
D
E
F
G
H
I
J
5333 G12
5334 D12
6331 I15
6332 I14
6333 K6
7330 E8
7331 J11
7332 J9
7333 K9
9330 B11
T330 B8
T331 K8
T332 D9
T333 C10
T334 J13
T335 J12
T336 J8
T337 B16
T338 B16
T339 F17
T340 F17
2348 H14
2349 J14
2350 I8
2351 C8
2352 K7
2353 J9
2354 J11
3330 H7
3331 G6
3332 E6
3356 B7
3358 B7
3359 K7
3360 K8
3361 K8
4333 G7
4334 E7
4335 A6
5331 F12
5332 E12
T341 F17
T342 F17
T343 G5
T344 E5
5.8V
5.8V
5.8V
5.8V
2336
220p
0V
3.25V
0/2.2V
V
V
V
7.2V
7.2V
AN7125
GND
7
GND1
3
GND2
11
IN1
6
IN2
8
MUTE
9
OUT1+
2
OUT1-
4
OUT2+
12
OUT2-
10
STB
5
VCC
1
7330
T336
T332
T338
T335
T337
T342
T340
2R2
3336
T341
3338
2R2
1N4148
6333
3354
10K
3360
100K
22K
+5V6
4335
7334
BC847B
3356
150n
2331
4334
150n
2332
100u
2350
3K3
3330
3342
560R
+12V
3340
120R
560R
3341
5333
360n
2354
10n
5331
360n
5332
360n
5334
360n
10K
3332
3331
10K
3358
4K7
3333
6K8
3334
6K8
3361
100R
10n
2353
3350
47K
120R
3339
22K
3349
2330
4u7
T333
2352
47u
6K8
3359
T343
T334
T344
T330
2347
47u
T331
2351
4u7
2348
47u
220n
2339
2337
220n
220n
2338
2340
220n
1n
2335
220p
1
3
2
4
7
5
6
2343
1330
+AMP
STANDBY
T339
9330
7331
BC857B
7333
BC847B
3
4
7332
BC857B
1331
2
1
2R2
3337
3335
2R2
1N4148
6331
3348
22K
1N4148
6332
3347
22K
3346
10K
3344
10K
3345
10K
3353
47R
3343
10K
3352
1K
3351
1K
2345
22n
2349
100u
2346
22n
4333
(forseen only)
2333
150n
(forseen only)
2334
150n
2342
47u
2344
1n
2341
47u
MUTE
L
R
BASS_ALC
CIRCUIT DIAGRAM - COMBI BOARD (Part 2)
Содержание MC-M250
Страница 13: ...6 1 6 1 CIRCUIT DIAGRAM LED BOARD LAYOUT DIAGRAM LED BOARD ...
Страница 15: ...7 2 7 2 LAYOUT DIAGRAM FRONT BOARD ...
Страница 16: ...7 3 7 3 LAYOUT DIAGRAM FRONT BOARD ...
Страница 29: ...11 4 11 4 LAYOUT DIAGRAM COMBI BOARD ...
Страница 30: ...11 5 11 5 3583 LAYOUT DIAGRAM COMBI BOARD ...
Страница 34: ...COMBI BOARD LAYOUT DIAGRAM For production after week 0303 11 9 11 9 ...
Страница 35: ...11 10 11 10 COMBI BOARD LAYOUT DIAGRAM For production after week 0303 ...