Keyboard; Led/Ir Receiver - Grundig 32 LXW 82-8695 REF Service Manual

GRUNDIG Service
Chassisplatte / Chassis Board – Audio MSP34xx
12
7
7 8

Keyboard

LED/IR-Empfänger

LED/IR Receiver

8
with RC switch on
(trigger 24V)
0
P1001
AD-KEY2
9
AD-KEY1
8
GND
7
TEXT-int
6
GND
5
LED-R
4
LED-G
3
R1006 R1005
GND
2
ST5V
0R 1K6
1
SW1006
POWER
P1002
TEXT-int
6
GND
5
LED-R
4
LED-G
3
GND
2
ST5V
1
L2000
R2003
4K7 GND
P2000
R2004
TEXT-int
6
GND
470R
5 R2009
LED-R
4
LED-G
470R
3
GND
2 R2008
ST5V
1
680R
R2007
GND Q2000
470R
GND
R2011
470R
Q2001
GND
Sound IF1
Sound IF2
2
I S1
2
I S2
SCART1
SCART2
SCART3
SCART4
MONO
8V
26
10
5V
@ §
R1004 R1003 R1002 R1001
2K2 680R 910R 1K8
SW1001 SW1002 SW1007 SW1004
SW1007
CH+ VOL- MENU CH- VOL+
GND
1
2
3
IR2000
D2000
GND
2 - 1
Chassis D-32IE11
Loud-
Pre-
De- speaker
ADC
processing Sound
modulator
Processing
MSP34...
Headphone
Sound
Processing
Prescale
DAC
SCART
DSP
Input
ADC Prescale
DAC
Select
SW1005
input
Select
Loud-
speaker
DAC
Subwoofer
Headphone
DAC
2
I S
SCART1
SCART
Output
Select
SCART2