Philips Q528.1E - Block Diagram Display & Platform Supply 32

Block Diagrams, Test Point Overview, and Waveforms
41Q528.1E LA 6.
Block Diagram Display & Platform Supply 32”
SUPPLY
B01A
MAINS FILTER + STANDBY
A1
SUPPLY
A2
MAINS FILTER + STANDBY
A1
1
2
1M09
6807
TS6B
-
+
7001
MC34067PG
15
7017
7018
7007
HIGH
SIDE
DRIVE
7004
7009
5001
BIAS SUPPLY
SOFT
STA RT
+
CURRENT
PROTECTION
CONTROL
VCC
OSCC
ERROR
SOST
OB
OA
FI
2
4
11
7
11
14
12
10
6
7
5002
7008
LOW
SIDE
DRIVE
10
9
2003
60786079
3007
7010
TS2431
3030
1400
T5AH
1308
5401
5403
5405
MAINS
FILTER
2
1
OVER
VOLTAGE
PROTECTION
400V_HOT
25V_HOT
DISPLAY SUPPLY + PLATFORM SUPPLY 32"
+12Vd
400V_HOT
2020
2011
VREF
5
5008
5007
3810
3000
5025
5026
CONTROL
3
7B00
7B01
7B02
+AUDIO-POWER
+5V-STANDBY
5B01
7
8
10
9
5
2
1
H_16800_099.eps
110507
1P02
22
1P02
11
3B61
3B51
3B50
3B60
1P11
6
3
8
4
3057
VS Voltage
Adj.
5017
5040
5009
2017
5010
7B04
TCET1102
2
14
3
7002
TCET1102
2
14
3
7005
STP15NK50
7006
STP15NK50
7B05
1450
5
7
7801
7802
ON/OFF
STANDBY
STANDBY
3100
5015
5016
3033
6077
3022
1
2
3
4
5
1320
TO
DISPLAY
1
2
3
4
5
1317
TO
DISPLAY
5406
TO
AMBI-LIGHT
+5V2
STANDBY
BOOST
2
1
ON-OFF
POWER-GOOD
DIM-CONTROL
6B04
SS36
-
+
1B32
T1.6A
5B00
12
11
-AUDIO-POWER
6B07
6B08
2B48
2B51
+12VS
7B06
6B05
1B33
2.5AT
6B06
2B45
CONTROL
AUDIO-PROT
2B46
K
A
R
K
A
R
3B72
6B15
3B73
3B29
HOT GROUND COLD GROUND
HOT GROUND COLD GROUND
HOT GROUND
COLD GROUND
A1
6024
7013
+5V2
3052
30773078
Power-Good = 5V
if +12V >10V
+12Vd
2014
3021
2022
3026
3025
3024
1
2
3
4
1B40
7B50
B11C
A2
N.C
A1
A2
TO 1P11
SSB
8
7
3
5
6044
5028
5027
9
10
11
13
12
14
15
16
6044
6044
+24V
+12Vd
11
12
11
12
FOR SERVICE
TO PROVIDE
EXTERNAL
SUPPLY