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Block Diagrams, Testpoint Overviews, and Wiring Diagram FM242 AB 6. 21
Power Lines Overview
TO FANS
SUPPLY & DC PROTECTION
A7
0302
POWER SUPPLY PANEL
1
1
DC-PROT
8006
8005
9
8007 8 +9V-STBY
Va 9
NC
NC
GND
NC
GND
fAN_SP
7
FAN_SP
Vcc 6 5335 1730 VSDN-POS
GND
GND 5 2A5 7735,7736 VCC-10-POS
GND PDP 4 STAB
NC ASSY
3
Vs 2 5725 1740 VSDN-NEG
Vs
Vs (IF VALID) 1 2A5 7745,7746 VCC-10-NEG
1 STAB
8003
1 FILTERS
VSND_NEG A2
VSND_NEG
GND_SND +9V-STBY
GND_SND
VSND_POS VCC-10-POS
VSND_POS
GND_SND
9V_STBY VCC-10-NEG
DC_PROT
9
AUDIO AMPLI LEFT HIGH
A3
8008
1 VCC-10-POS 3315
D5V 8-7315
VG
DND VCC-10NEG 3318
PDP-SUPPLY VSCAN
GND PDP
1-7315
VSET ASSY 3330
(BLACKBOX) GND
VSDN-POS 5335
C-7330
GND
VS VSDN-NEG 5360 ????
VS C-7335
10
AUDIO AMPLI LEFT LOW
A4
8010 3415
1 VCC-10-POS
VA 8-7415
VA PDP
NC VCC-10-NEG 3418
ASSY
GND 1-7415
GND
5 VSDN-POS 5435 3430
C-7430
VSDN-NEG 5460 3455
C-7455
8011
1 AUDIO AMPLI RIGHT HIGH
VA A5
VA
NC N.C. VCC-10-POS 3515
GND 8-7515
GND
5 VCC-10-NEG 3518
1-7515
VSDN-POS 5535 3530
C-7530
+3V3_STBY_SW
VSDN-NEG 5560 3555
+9V_STBY_SW
+5V_STBY_SW
C-7555
AC NEUTRAL
POWER_OK
+9V_STBY
FAN_SP_1
FAN_SP_2
STANDBY
PDP_GO
AUDIO AMPLI LEFT LOW
AC LINE
A6
D3.3V1
D3.3V1
VS_ON
SDA-1
SCL-1
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RSV
RES
D5V
3615
3V3
3V3
3V3
3V3
3V3
8V6
VCC-10-POS
NC
5V
8-7615
8004
8009
8002
8001
VCC-10-NEG 3618
1-7615
3
1
10
1
1
13
12
1
VSDN-POS 5635 3630
C-7630
FROM MAINS-INLET PDP ASSY 3655
VSDN-NEG 5660
C-7655
CONTROL FUNCTIONS 2 LED / SWITCH PANEL SYNC SELECTION VIDEO SELECTION - ADC VGA INPUT SCALER, CLOCK-GENERATOR BACK-END-EPLD BACK-END-LVDS
SC8 LD SC2 SC4 SC6 SC9 SC11 SC12
ON/OFF
+5V-STBY-SW
SWITCH +5V_STBY_SW +5V +3V3 +3V3-PW
1101 +3V3-STBY-SW 7175 +5V +3V3
0319 0320 0320 1 4 5300
+9V-STBY +5V-POW 5197 +8V6
+5V +8B +3V3 1670
1 +9V-STBY 10 10 +9V-STBY 2 5 +3V3PLL +3V3-STBY-SW
+5V +5V-STBY-SW +3V3-PLD
5007 +5V-STBY-SW 1575
2 +9V-STBY-SW +9V-STBY-SW 9 9 +9V-STBY-SW 3 6 +3V3-PW 500mA
+5A +3V3 LD1117 6302 5302
1105 5060 +3V3 AUDIO SOURCE SELECT
3 +8V6 8 8
+5V-STBY-SW +5B +5S 500mA
+2V5
SC13
5009 1170 5350 D S
4 +5V-STBY-SW 500mA +8V6 7 7 +5R +3V3-STBY-SW 7641
6-7009 +3V3-AD +8V6
500mA +3V3-STBY-SW +8V6
5 +3V3-STBY-SW 6 6 5008 6353 7640
+8V6 +5V 5352 +5V 5572 +8V6 3640
+5V-STBY-SW 5196 +5V-OE G
6 5796
+5V-STBY-SW
+3V3MAIN1
5198 +5V-STBY-SW TL431 +8V6A
7 +3V3-STBY-SW +3V3OUTPUT +5V-STBY-SW 3796
5199 +4V3A
8 +3V3MAIN2 5642
VIDEO SELECTION +9V-STBY
9 POWER O.K.
SC3 &MATRIX +2V5PLDA +9V-STBY
SC7 SC13 SC6 VGA VGA CONNECTOR