Block Diagram Supply + Standby (42") - Philips JL2.1E Service Manual

Block Diagrams, Testpoint Overview, and Waveforms

Block Diagram Supply + Standby (42")

SUPPLY 42"
A1 MAINS FILTER + STANDBY PART A
5400
1308 5401
5403 1450
1400
1 2
MAINS
MAINS INPUT 3A15
2 FILTER
1
6506
DF06M
- +
MAINS FILTER + STANDBY
A3
PART B HOT
COLD
1
5D00
5D01
5D03
1D00
2
MAINS
3A15
FILTER
JL2.1E AA 6.
SUPPLY PART A
A2
3810
25V_HOT_A
3
6807
GBJ6J
400V_HOT_A
- +
4
2815 2816
China
7017
7018
HOT
SA2 STANDBY
COLD
+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
A4 SUPPLY PART B
4
1D50
3H10
25V_HOT_B
3
6H07
GBJ6J
400V_HOT_B
- +
2H15 2H16
China
7U17
7U18
PROTECTION
40
3028
BIAS SUPPLY 3000 6080 6077 6078
5017 5010
2003
5008
5007
7005
STP15NK50ZFP
5001
7007
7001
HIGH
15
MC34067P 6
SIDE
VCC
DRIVE
11
OSCC
5040
7
3007 CONTROL
14 4
OA
7 7006
ERROR
STP15NK50ZFP
12 2
OB
11
SOST
7008
10
FI
SOFT
LOW
10
START SIDE
5
VREF
+
DRIVE
CURRENT
9
PROTECTION
7004
7009
OVER
VOLTAGE
PROTECTION
Prot-OVV
PROT_AUDIOSUPPLY
STANDBY
COLD
HOT
5505
5
7100
5104
7101
3
7105
2
7102
1
3104
CONTROL 3V MAX
3150
1V MAX STBY
3127
3100
6150 6151 3155 3156
3U28
HOT
BIAS SUPPLY 3U00 6U79 6U77 6U78
5U17 5U10
2003
5U07 5U08
7U05
STP15NK50ZFP
5U01
7U07
7U01
HIGH
MC34067P 15
6
SIDE
VCC
DRIVE
11
OSCC 5U40
7
CONTROL
14 4
OA
7
ERROR 7U06
STP15NK50ZFP
12 2
OB
11
SOST 7U08
10
FI
SOFT LOW
10
START
SIDE
5
VREF
+
DRIVE
CURRENT
9
7U04
7U09
OVER
VOLTAGE
PROTECTION
HOT
HOT COLD
4 1
7002
7030
TCET1102 DC_PROT
DC_PROT
3 2
5002
8
6044
5027 STPS20L45CT
9
7
3
+12V
10 2 4
3
2020
2
5028
11
1
+24Va
1
3 12
2022
5 13
6021
5025 STTH2003CFP
14
1
6014
15 2
7010
5026
TL431ACD
16
3
VS Voltage
Adj.
HOT COLD
+5V2-RELAY-IO2_PWM
N.C.
7507
7506
3534 3539
7512
STANDBY
5500
7511
6504 3509
5110 VTUN
6
6140
7 +11V
2141
8
10
+12V
+8V6
6107
7131
5103 2513 5506 +5V2
3128 3124 6122 3113 2512
STANDBY
1
4
STANDBY: LOW = ON
7501 HIGH = STBY
TCET1102
3 2
OVERVOLTAGE
7531
PROTECTION
+5V_SW
3158
PROT-OVV
1 4
7150
TCET1102
2 3
3U57 3U52
COLD
4 1
7U02
DC_PROT
TCET1102
DC_PROT
+24V 1
3 2
2
2U22
3
5U02
4
8
9
7
10
11
1U07
2B91 5B93
3 12
T5A
6B91
5 13
5B91
6U21
5U25
14 STPS20H100
1 6B93
2B93 5B92
15 2
7U10
TL431ACD
5U26
16
3
3U24
VS Voltage
Adj.
COLD
CONNECTIONS
SA1
1316
1
2
3 TO
DISPLAY
4
5
+12V_A
4
3
2
+12V_+24V
1
1M10
TO 1M10
1
AL
2
AMBI LIGHT
3
4
1M03
9
TO 1M03
5
+5V_SW B16A
CONNECTIONS
POR 2
1M46
8
11
9
TO 1M46
4
B16A
3 CONNECTIONS
6
7
5
1317
1
2
TO
3
DISPLAY
4
1 +24V_2 5
2
3
4
1M02
DC_PROT 7
VSND_POS
6
TO 1M02
5
SA3
4
AUDIO
3
2
VSND_NEG
1
F_15710_126.eps
190905