Front Control Board - Philips mc77 Service Manual

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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
8-1
11/03/2012
STANDBY (POWER) PART - CIRCUIT & LAYOUTS
1400 A1 2401 E3 2404 C3
1402 A3 2402 E3 2405 C4
1405 A2 2403 B3 2406 C4
1
A
1400
1
2
3
4
B
5
6
7
FE-BT-VK-N
To Front Display
C
# For Provision only
D
7400
TSOP2236
CTRL
INP
CIRCUIT
E
BAND
AGC DEM
PIN
PASS
1
This assembly drawing shows all possible versions. For components used in a
spsecific version see schematic diagram and respective parts lists.
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8-1
3400 A3 3403 B4 6400 C4
3401 A3 3404 E4 7400 D1
3402 C3 3405 E4 7402 C4
2 3 4
STDBY LPS
3400 3401
390R 560R
+C
GND_B
GND_B
For Low Power Standby version only
+C
GND_B
7402
BC857B
+C
3405
VS 2
100R
OUT 1
GND 3
8239_210_88950 ... 3444 pt 1 dd wk103
2 3 4
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
www.nostatech.nl
A
B
C
D
E
3139 113 3444 pt 1 dd wk 103