Block Diagram Supply 42 - Philips ME6 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Supply 42"

SUPPLY 42"
A1 MAINS FILTER + STANDBY PART A
5400
5401
1308
5403 1450
1400
1
2
MAINS
3A15
MAINS INPUT
2 FILTER
1
6506
DF06M
- +
MAINS FILTER + STANDBY
A3
PART B
HOT GROUND
COLD GROUND
1
5D00
5D01
5D03
1400
2
MAINS
3A15
FILTER
LC4.31E AA 6.
A2 SUPPLY PART A
3810 25V_HOT_A
3
6807
GBJ6J
400V_HOT_A
- +
4
2816
2815
China
7017
7018
PROTECTION
HOT GROUND
STANDBY
SA2
COLD GROUND
+5V2
1 1
2 2
CONTROL
3 3
7505/7509/7560/
1401
5504
1 1
2 2
T1A
2503
3406
1 1
2 2
3 3
4 4
SUPPLY PART B
A4
4
1D50
3H10
25V_HOT_B
3
6H07
GBJ6J
400V_HOT_B
- +
2H16
2H15
China
7U17
7U18
PROTECTION
27
3028
BIAS SUPPLY 3000
5017 6080 6077 6078 5010
2003
5007 5008
7005
STP15NK50
5001
7007
7001
HIGH
MC34067P 15
6
SIDE
VCC
DRIVE
11
OSCC 5040
7
3007 CONTROL
14 4
OA
7
ERROR
12 2
7006
OB
STP15NK50
11
SOST
7008
10
FI
SOFT LOW
10
START
SIDE
5 VREF
+ DRIVE
CURRENT
9
7004
7009
OVER
VOLTAGE
PROTECTION
HOT GROUND
Prot-OVV
PROT_AUDIOSUPPLY
COLD GROUND
HOT GROUND
5505
5
7100
5104
7101
3
7105
2
7102
1
3104
CONTROL 3V MAX
3150
1V MAX STBY
3127
3100
6150 6151 3155 3156
HOT GROUND
3U28
BIAS SUPPLY 3U00 6U79 6U77 6U78
5U17 5U10
2U03
5U07 8
5U08
7
7U05
STP15NK50
5U01
7U07
7U01
HIGH
15
MC34067P 6
SIDE
VCC
DRIVE
11
OSCC
5U40
7 3
CONTROL
14 4 5
OA
7 ERROR
2
12 7U06
OB
STP15NK50
11 SOST 7U08
10
FI
SOFT
LOW
10
START SIDE
5
VREF
+
DRIVE
CURRENT
9
7U04
7U09
OVER
VOLTAGE
PROTECTION
HOT GROUND
4 1
7002 7030
DC_PROT
TCET1102
DC_PROT
3 2
5002
8
6019
5027
9 STPS20L40CFP
7
3
+12V
10 4
2
3
2020
2
5028
11 1
+24Va
1
3 12
2022
6021
5 13 STTH2003CFP
6021
5025
STPS20L40CFP
14
1
6014
15 2
7010
5026 3 TL431ACD
16
VS Voltage
Adj.
COLD GROUND
7507
7506
7512
STANDBY
7511
5500
6504 3509
5110 VTUN
6
RES
6140
+11V
7
2141
8
+12V
10
7131 +8V6
6107
RES
2513
5103 5506 +5V2
3128 3124 6122 3113 2512
STANDBY
4 1 STANDBY: LOW = ON
7501
HIGH = STBY
TCET1102
7531
3 2
OVERVOLTAGE
PROTECTION
+5V_SW
3158
PROT-OVV
1 4
7150
TCET1102
2 3
COLD GROUND
3U57 3U52
4 1
7U02
DC_PROT
TCET1102
DC_PROT
3 2 +24V
1
2
2U22
3
5U02
4
9
10
11
1U07 2B91
5B93
12
T5A
6B91
13
5B91
6021
5U25
STPS20L40CFP
14
6B93
1
2B93
15 2 5B92
7U10
TL431ACD
5U26 3
16
3U24
VS Voltage
Adj.
COLD GROUND
CONNECTIONS
SA1
1316
1
2
3 TO
DISPLAY
4
5
+12V_A
4
3
2
+12V_+24V
1
1M10
1
2
N.C.
3
4
1M03
TO 1M03
STANDBY 7
SA2
B01B B16
4
SSB
1M46
11
9
TO 1M46
1
B01B B16
2
SSB
7
1319
(1317)
1
2
TO
3
DISPLAY
4
+24V_2
1 5
2
3
4
1M02
7
DC_PROT
VSND_POS
6
5
SA3
TO 1M02
4
SA3
3
AUDIO
2
VSND_NEG 1
G_16210_102.eps
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