8-1
FRONT CONTROL BOARD
TABLE OF CONTENTS
Standby (Power) part ....................................................... 8-1
Key Control (KEYB. 1) & Lightwash parts ....................... 8-2
Headphone, Jog (Volume) and CDC Key parts .............. 8-3
Electrical parts list ............................................................ 8-4
STANDBY (POWER) PART - CIRCUIT & LAYOUTS
8-1
DEM
BAND
PASS
CTRL
CIRCUIT
AGC
INP
PIN
560R
3401
1
2
3
4
A
B
C
D
E
A
B
C
D
E
1400 A1
1402 A3
1405 A2
2401 E3
2402 E3
2403 B3
2404 C3
2405 C4
2406 C4
3400 A3
3401 A3
L
TL-4221N
6400
3402 C3
3403 B4
3404 E4
3405 E4
6400 C4
7400 D1
7402 C4
2
3
4
5
6
7
GND_B
1402
LPS
3403
820R
390R
3400
GND_B
STDBY
2402
4u7
3402
47K
7400
3
GND
1
OUT
2
VS
1405
2401
4u7
TSOP2236
GND_B
1400
FE-BT-VK-N
1
100n
4u7
2403
10K
3404
3405
100R
4u7
BC857B
7402
4u7
+C
+C
+C
1
2
3
4
8239_210_88950 ... 3444 pt 1 dd wk103
To Front Display
For Low Power Standby version only
2404 #
2406 #
2405 #
# For Provision only
This assembly drawing shows all possible versions. For components used in a
spsecific version see schematic diagram and respective parts lists.
3139 113 3444 pt 1 dd wk 103
This assembly drawing shows all possible versions. For components used in a
spsecific version see schematic diagram and respective parts lists.
3139 113 3444 pt 1 dd wk 103
Содержание MC-21
Страница 20: ...D O N O T P R I N T B L A N K P A G E ...
Страница 25: ...4 1 4 1 SET BLOCK DIAGRAM MC 50 3139 119 33710 sh 130 1 dd wk105 ...
Страница 32: ...D O N O T P R I N T B L A N K P A G E ...
Страница 59: ...10 3 WIRING Module WIRING CD Drive ...
Страница 90: ...D O N O T P R I N T B L A N K P A G E ...
Страница 91: ...12 1 12 1 EXPLODED VIEW MAIN UNIT 3139 119 33730 MC 70 dd wk 102 ...