Philips 42FD9932 Service Manual page 31

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Block diagrams
Block diagram
MAINS FILTER
1400
PR1
5400:
1004
5402
4
2
6.3A
AC
1401
6.3A
MAINS
INLET
3
1
FILTER
PR30
PR2
PR2
A
PR3
PRECONDITIONER
3600
3601
+t
4
2
2
A
4
3
1
1
B
3
+5V
+12VSB
STBY-
SWITCHED
5680
6
5
6
5
A
VS-SUPPLY
FD2
VS
CONTROL
6021
1004
1005
T2A
6022
1A
7001
VS:
MC34067P
FD1
VOLTAGE
SUSTAINING
3026
+VS Adj.
+5V
VA-SUPPLY
FD1
FD09
1101
1
VA
CONTROL
T2A
2
FD41
6201
1201
3
4A
2220
VA:
6202
1202
VOLTAGE
ADDRESSING
4A
2221
6121
1102
7101
FD30
MC34067P
4A
6122
1104
2122
4A
3126
+VA Adj.
FTV1.9DE
STANDBY SUPPLY
PR2
1500
PR6
PR8
1
5500
6500
6504
2
9
500mA
4
3
2508
3508
PR9
3
8
6505
1
7
2
2510
2505
6503
4
6
5500
7500
TOP210
5
CONTROL
1
4
3
7501
7502
B
TCDT1102G
TL431CLP
2
6600
5610
+t
5605
5605
6611
4
1
15
16
4
3
3602
6
2
1
-t
7650
MC33368
7610
11
7684
CONTROL
STY34NB50
7690
CIRCUIT
7681
PR17
DELAY
SUPPLY_ON
ACTIVATING
CIRCUIT
B
PDP-DISCHARGE
FD
6020
FD171
FD171
1
+VS
FD55
AUX
3
2021
+VS
7
+VA
7311
FD68
FD7
FD57
7313
1
FAN
TO 6x
DISCHARGE
SUPPLY
FANS
CIRCUIT
FD173
FD173
1106
FD14
+5V
1
1
4A
6120
FD57
2
2
FD20
+VA
3
3
4
FD15
2120
4
4
Vrs
TO
AUDIO
5
5
2
PANEL
FD16
A
6
6
Vra
7
7
FD17
8
8
+17V
Vrr
9
9
7201
L4977A
1103
9
7
5V
+5V
CONTROL
4A
3/2/2013
6.
20
I2C bus interconnection diagram
Serivce JMP's:
Normal operation: A in, B out.
+12VSB
Slow bus to NVM bus: A out, B in.
AVC-5
+5VSTBY
SDA
NVM
7400
SCL
ERR:16
IIC BUS NVM
3505
M24C16
UART
OR
DDC
3504
+5V
Adj.
PRO9
PR12
ACV34
1
+380V
SERVICE
PLUG
2
2616
TO: AVC-4
3
3942
AVC-7
AUDIO CONTROL
TDA9860
ERR: 11
FD172
10
8
4
7200
7201
7203
PDP
FD177
Plasma
1
Display
2
Panel
3
4
5
6
7
8
9
CL 96532058_17B.eps
280999
World of free manuals
+5V STANDBY SWITCHED
AVC-6
AVC-6
AUDIO
AUDIO
DELAY
DELAY
IC-RIGHT
IC-LEFT
3401
3402
7920
7910
M65830
M65830
3460
A
AVC-5
A
CLOCK
3461
REQ
B
B
DATA
µP
83C380
7401
3463
SDA
SCL
3462
SLOW IIC BOX
+5V STANDBY SWITCHED
3438
3437
AVC02 - PD02
3941
3306
3305
3375
3374
AVC-3
PD-5
7940
7300
SCAN RATE
VIDEO CONTROL
CONVERTER
LIMESCO
TDA4885
ERR: 12
7320
uPD93687
ERR: 14
www.nostatatech.nl
3372
3371
3386
3387
PD-5
PD-7
OSD GENERATOR
I/O EXPANDER
MC141585
PCF8574AT
7327
7351
ERR:13
ERR:15
CL96532058_002
220999

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