Power Lines Overview - Philips FM242 Service Manual

Colour television
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Block Diagrams, Testpoint Overviews, and Wiring Diagram

Power Lines Overview

POWER SUPPLY PANEL
FROM MAINS-INLET
CONTROL FUNCTIONS 2
LED / SWITCH PANEL
SC8
LD
1101
0319
0320
0320
+9V-STBY
+9V-STBY
+9V-STBY
1
10
10
+9V-STBY-SW
2
+9V-STBY-SW
9
9
+9V-STBY-SW
1105
+8V6
3
8
8
+5V-STBY-SW
+8V6
4
+5V-STBY-SW
500mA
7
7
+3V3-STBY-SW
5008
5
6
6
+5V-STBY-SW
6
7
+3V3-STBY-SW
8
POWER O.K.
9
SC7 SC13
VGA CONNECTOR
SC6
VGA
10
STAND-BY
11
SC7
OTC
0318
0318
12
+5V-STBY-SW
1
32
13
+5V-POW
5901 6916
0305
1100
+5V
VCC
1
T1A
+3V3
+3V3
8
9
+5V
5530
3530
10
11
+5V_STBY_SW
5541
12
FM242 AA
6.
PDP-SUPPLY
(BLACKBOX)
PDP ASSY
SYNC SELECTION
VIDEO SELECTION - ADC
SC2
SC4
ON/OFF
+5V-STBY-SW
SWITCH
+3V3-STBY-SW
7175
1
4
5197
+5V-POW
+5V
2
5
+5V
5007
3
6
+3V3
+5A
LD1117
5060
+5B
1170
5009
6-7009
500mA
+8V6
5196
5198
5199
VIDEO SELECTION
SC3
&MATRIX
5170
+5M
VIDEO
SC5
5220
+5V
+5V
5222
5167
+8SW
5224
+8V6
+5V-STB-SW
+8V6
+8V6
5140
+8AA
+5V
5164
+5V
+8A
1270
3164
+3V3
VREF1
500mA
5221
7165
5223
+5V REF
VREF2
5228
6166
+5V_EXP
21
TO FANS
VGA INPUT
SCALER, CLOCK-GENERATOR
SC6
SC9
+5V_STBY_SW
+5V
+3V3
+5V
5300
+8V6
+8B
+3V3PLL
+5V-STBY-SW
1575
+5V-STBY-SW
6302
5302
+3V3
+5S
500mA
5350
+3V3-AD
+5R
+3V3-STBY-SW
6353
+5V
5352
+5V
5572
+3V3MAIN1
+5V-STBY-SW
+3V3OUTPUT
+3V3MAIN2
CONTROL FUNCTIONS 1 OTC
SCALER-PW164 + MEMORY
SC7
SC10
3V3AA
3V3DB
+5V
+5V
3V3DD
+8V6
+8V6
+8V6
+5V
+3V3-STBY-SW
+3V3-STBY-SW
5630
+3V3VID
5520
+3V3-CNTL-A
+3V3
5521
+3V3-CNTL-B
5522
3V3DA
+3V3-CNTL-C
5523
3V3DC
+3V3-CNTL-D
5524
3V3DE
+3V3-CNTL-E
8007
Va
9
NC
Vcc
GND
GND
GND
PDP
NC
ASSY
Vs
Vs
(IF VALID)
Vs
1
8003
1
VSND_NEG
VSND_NEG
GND_SND
GND_SND
VSND_POS
VSND_POS
GND_SND
9V_STBY
DC_PROT
9
8008
1
D5V
V
G
DND
V
SCAN
GND
PDP
V
ASSY
SET
GND
GND
V
S
V
S
10
8010
1
V
A
V
A
PDP
NC
ASSY
GND
GND
5
8011
1
V
A
V
A
NC
N.C.
GND
GND
5
BACK-END-EPLD
SC11
+3V3
1670
+3V3
+3V3-PLD
500mA
+3V3-PW
+2V5
D
S
7641
+3V3-STBY-SW
7640
3640
+8V6
G
+5V-OE
+5V-STBY-SW
5642
+2V5PLDA
5643
+2V5PLDB
5644
+2V5PLDC
5645
+3V3PLDA
+3V3-PW
5646
+3V3PLDB
+3V3W
5647
+3V3PLDC
+3V3
5648
+3V3PLDD
+2V5
5649
+3V3PLDE
A7
SUPPLY & DC PROTECTION
0302
9
DC-PROT
8
+9V-STBY
7
1730
6
5335
VSDN-POS
5
2A5
7735,7736
VCC-10-POS
4
STAB
3
1740
2
5725
VSDN-NEG
1
2A5
7745,7746
VCC-10-NEG
STAB
FILTERS
A2
+9V-STBY
VCC-10-POS
VCC-10-NEG
A3
AUDIO AMPLI LEFT HIGH
3315
VCC-10-POS
8-7315
3318
VCC-10NEG
1-7315
3330
VSDN-POS
5335
C-7330
????
VSDN-NEG
5360
C-7335
A4
AUDIO AMPLI LEFT LOW
3415
VCC-10-POS
8-7415
3418
VCC-10-NEG
1-7415
3430
VSDN-POS
5435
C-7430
3455
VSDN-NEG
5460
C-7455
A5
AUDIO AMPLI RIGHT HIGH
3515
VCC-10-POS
8-7515
3518
VCC-10-NEG
1-7515
3530
VSDN-POS
5535
C-7530
3555
VSDN-NEG
5560
C-7555
A6
AUDIO AMPLI LEFT LOW
3615
VCC-10-POS
8-7615
3618
VCC-10-NEG
1-7615
3630
VSDN-POS
5635
C-7630
3655
VSDN-NEG
5660
C-7655
BACK-END-LVDS
SC12
+3V3-PW
+3V3-STBY-SW
AUDIO SOURCE SELECT
SC13
+8V6
+8V6
5796
+8V6A
3796
+4V3A
+9V-STBY
+9V-STBY
AUDIO-PROCESSOR
SC14
+5V
+5V
+8V6
+8V6
5810
+8V6B
3810
+4V3B
AUDIO-DELAY-LINE
SC15
5870
+5D
+5
CL 36532011_018.eps
200303

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