Grundig GDP 2200, Руководство по обслуживанию

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GRUNDIG Service GDP 2200
2 - 1
Steckerübersicht / Connection Overview
1. Power Supply
1.1 Socket J1 to Keyboard Control Unit (JP1)
Pin Lever (ca.) Name Description
1 -23V -25V -25V Supply
2 -17.5V FIP2 Filament Voltage 2
3 -14.8V FIP1 Filament Voltage 1
4 0V GND Ground
5 4.9V 5V 5V Supply
1.2 Socket J3 to Main Board (CN4)
Pin Lever (ca.) Name Description
1 4.9V D5V 5V Supply
2 0V GND Ground
3 0V GND Ground
4 8.6V Vcc 9V Supply
5 0V GND Ground
6 4.9V A5V 5V Supply
1.3 Socket J4 to IN/OUT Board (CN502)
Pin Lever (ca.) Name Description
1 3.3V 3V3 3.3V Supply
2 4.9V 5V 5V Supply
3 0V GND Ground
4 10.5V 12V 12V Supply
5 -13.8V -12V -12V Supply
2. Keyboard Control Unit
2.1 Socket JP1 to Power Supply (J1)
Pin Lever (ca.) Name Description
1 4.9V +5V 5V Supply
2 0V GND Ground
3 -14.8V 3.5V~1 Filament Voltage 1
4 -17.5V 3.5V~2 Filament Voltage 2
5 -23V -25V -25V Supply
2.2 Socket JP2 to Main Board (CN3)
Pin Lever (ca.) Name Description
1 Oscillogram 7 VFDAT Keyboard Data
2 Oscillogram 8 VFDCK Keyboard Clock
3 Oscillogram 9 VFDST Keyboard Strobe
4 0V GND Ground (Not Connected)
5 Oscillogram 10 IR IR Remote Control Signal
3. Main Board
3.1 Socket CN1 to IN/OUT Board (CN501)
Pin Lever (ca.) Name Description
1 Oscillogram 18 VIDEO_V Green Out
2 Oscillogram 14 VIDEO_C Chrominance Out
3 Oscillogram 17 VIDEO_U Blue Out
4 Oscillogram 13 VIDEO_Y1 Luminance Out
5 Oscillogram 19 VIDEO_Y Red Out
6 – MIC Not Connected
7 Oscillogram 16 VIDEO_COMP Composite Video Out
8 0V GND Ground
9 Oscillogram 26 IEC958 Digital Audio Out
10 0V GND Ground
11 Oscillogram 21 AOCLK Digital De-Emphasis Clock
12 Oscillogram 23 AMCLK Digital Audio Master Clock
13 Oscillogram 22 ALRCLK Digital Left/Right Clock
14 0V GND Ground
15 Oscillogram 20 ADATA01 Digital Serial Audio Data
16 1.7V MODE RGB Mode On/Off
17 – ADATA02 Not Connected
18 0V GND Ground
19 – ADATA1 Not Connected
20 0V GND Ground
21 – ADATA2 Not Connected
22 0V GND Ground
23 – TXD Not Connected
24 4.9V RXD Mute Control
25 – MDET Not Connected
3.2 Socket CN2 to IN/OUT Board (CN503)
Pin Lever (ca.) Name Description
1 4.9V VCC5V 5V Supply
2 0V GND Ground
3 0V GND Ground
4 3.3V VCC3V 3V Supply
3.3 Socket CN3 to Keyboard Control Unit (JP2)
Pin Lever (ca.) Name Description
1 4.9V VCC5V 5V Supply (Not Connected)
2 Oscillogram 10 REMOTE IR Remote Control Signal
3 Oscillogram 9 STB Keyboard Strobe
4 Oscillogram 8 CLOCK Keyboard Clock
5 Oscillogram 7 DATA Keyboard Data
6 0V GND Ground (Not Connected)
AC
KG CN2
CN502
CN6 CN3
CN5
CN503 CN501
J4
J5
J1
CN4
CN2
CN1
CN509
Power ON/OFF
Power Supply
P. 2-5
AV Socket Board
P. 2-12
Main Board
P. 2-6
Keyboard Control Unit
P. 2-12
IN/OUT Board
P. 2-11
JP1 JP2
Ground Connection
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Verdrahtungsplan / Wiring Diagram