Layout Of Pcbs And Circuit Diagrams; Wiring Diagram; Connection Overview; Oscillograms - Grundig GDP 2200 Serviceanleitung

GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Verdrahtungsplan / Wiring Diagram
AC

Power Supply

P. 2-5
Power ON/OFF
Steckerübersicht / Connection Overview
1. Power Supply
1.1 Socket J1 to Keyboard Control Unit (JP1)
Pin Lever (ca.) Name
1 -23V -25V
2 -17.5V FIP2
3 -14.8V FIP1
4 0V GND
5 4.9V 5V
1.2 Socket J3 to Main Board (CN4)
Pin Lever (ca.) Name
1 4.9V D5V
2 0V GND
3 0V GND
4 8.6V Vcc
5 0V GND
6 4.9V A5V
1.3 Socket J4 to IN/OUT Board (CN502)
Pin Lever (ca.) Name
1 3.3V 3V3
2 4.9V 5V
3 0V GND
4 10.5V 12V
5 -13.8V -12V
2. Keyboard Control Unit
2.1 Socket JP1 to Power Supply (J1)
Pin Lever (ca.) Name
1 4.9V +5V
2 0V GND
3 -14.8V 3.5V~1
4 -17.5V 3.5V~2
5 -23V -25V
2.2 Socket JP2 to Main Board (CN3)
Pin Lever (ca.) Name
1 Oscillogram 7 VFDAT
2 Oscillogram 8 VFDCK
3 Oscillogram 9 VFDST
4 0V GND
5 Oscillogram 10 IR
KG
JP1
Description
-25V Supply
Filament Voltage 2
Filament Voltage 1
Ground
5V Supply
Description
5V Supply
Ground
Ground
9V Supply
Ground
5V Supply
Description
3.3V Supply
5V Supply
Ground
12V Supply
-12V Supply
Description
5V Supply
Ground
Filament Voltage 1
Filament Voltage 2
-25V Supply
Description
Keyboard Data
Keyboard Clock
Keyboard Strobe
Ground (Not Connected)
IR Remote Control Signal
AV Socket Board
P. 2-12
CN2
Keyboard Control Unit
P. 2-12

3. Main Board

3.1 Socket CN1 to IN/OUT Board (CN501)
Pin Lever (ca.) Name
1 Oscillogram 18 VIDEO_V
2 Oscillogram 14 VIDEO_C
3 Oscillogram 17 VIDEO_U
4 Oscillogram 13 VIDEO_Y1
5 Oscillogram 19 VIDEO_Y
6 – MIC
7 Oscillogram 16 VIDEO_COMP
8 0V GND
9 Oscillogram 26 IEC958
10 0V GND
11 Oscillogram 21 AOCLK
12 Oscillogram 23 AMCLK
13 Oscillogram 22 ALRCLK
14 0V GND
15 Oscillogram 20 ADATA01
16 1.7V MODE
17 – ADATA02
18 0V GND
19 – ADATA1
20 0V GND
21 – ADATA2
22 0V GND
23 – TXD
24 4.9V RXD
25 – MDET
3.2 Socket CN2 to IN/OUT Board (CN503)
Pin Lever (ca.) Name
1 4.9V VCC5V
2 0V GND
3 0V GND
4 3.3V VCC3V
3.3 Socket CN3 to Keyboard Control Unit (JP2)
Pin Lever (ca.) Name
1 4.9V VCC5V
2 Oscillogram 10 REMOTE
3 Oscillogram 9 STB
4 Oscillogram 8 CLOCK
5 Oscillogram 7 DATA
6 0V GND
2 - 1

IN/OUT Board

P. 2-11
CN503 CN501
CN2
CN1
Main Board
P. 2-6
CN6 CN3
Ground Connection
JP2
Description
Green Out
Chrominance Out
Blue Out
Luminance Out
Red Out
Not Connected
Composite Video Out
Ground
Digital Audio Out
Ground
Digital De-Emphasis Clock
Digital Audio Master Clock
Digital Left/Right Clock
Ground
Digital Serial Audio Data
RGB Mode On/Off
Not Connected
Ground
Not Connected
Ground
Not Connected
Ground
Not Connected
Mute Control
Not Connected
Description
5V Supply
Ground
Ground
3V Supply
Description
5V Supply (Not Connected)
IR Remote Control Signal
Keyboard Strobe
Keyboard Clock
Keyboard Data
Ground (Not Connected)
GDP 2200