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Main Board - Philips MDV434/55/77 Service Manual

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1
MDV434(K)/XX Wiring & Block Diagram
A
B
1
6
LOAD+
C
LOAD-
TROUT
GND
TRIN
1
SWITCH
CON301
BOARD
D
4PIN*2.0
4
1
5-1
2
R
L
1
AUDIO
AMP&LPF
CN2
24PIN*0.5
MT1389C
24
1
SP-
SP+
LIMIT
GND
SL-
SL+
6
CN4
1
8M/16M FLASH
CN3
5PIN*2.0
CN5
12PIN*2.0
5
1
12
4
CON301
LED+
CN302
LED-
12PIN*2.0
GND
4PIN*2.0
POWER-K
1
2
     
  
3
COAX
Pr
Y
Pb
CVBS
CN7
CN6
VIDEO LPF &
DRIVE
AUDIO
D/A
16M
1
SDRAM
8
KARAOKE A/D
EEPROM

MAIN BOARD

12
1
VFD/KEY/PT6312
3
                           
5-1
4
5
POWER SUPPLY
1
3.3V
GND
GND
+5V
+12V
AGND
CON2
-12V
-24V
8PIN*2.5
8
KARAOKE AMP
4
5
A
B
C
D

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