28
FTL2.xE AA
6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Standby 42"
6807
GBJ6J
-
+
7805
7806
6506
DF06M
-
+
VOLTAGE
DOUBLER
(for 110V only)
2
1
1305
7001
MC34067P
15
7017
7018
7007
HIGH
SIDE
DRIVE
7003
7004
5001
BIAS SUPPLY
SOFT
START
+
CURRENT
PROTECTION
CONTROL
VCC
OSCC
ERROR
SOST
OB
OA
FI
2
4
11
7
11
14
12
10
7005
STU16NB501
6
7
5
3
7
8
9
10
11
3
1
2
12
13
5002
7008
LOW
SIDE
DRIVE
7006
STU16NB501
10
9
5040
6044
STPS20L45CT
2003
3057
3022
3052
3000
6078
6079
3007
7010
TL431ACD
3026
VS Voltage
Adj.
3024
3030
+12V_A
+12V_+24V
1400
T3.15AH
0308
5400
5401
5402
5403
2
3
MAINS
FILTER
2
1
1
4
1450
OVER
VOLTAGE
PROTECTION
3
2
1
1306
1401
T1AE
1307
3810
400V_HOT_A
25V_HOT_A
14
15
16
1
2
6021
STTH2003CFP
3
4
1304
2
1
5027
5025
5026
5028
6H07
GBJ6J
-
+
7H05
7H06
VOLTAGE
DOUBLER
(for 110V only)
2
1
1C05
7U01
MC34067P
15
7U17
7U18
7U07
HIGH
SIDE
DRIVE
7U03
7U04
5U01
BIAS SUPPLY
SOFT
START
+
CURRENT
PROTECTION
CONTROL
VCC
OSCC
ERROR
SOST
OB
OA
FI
2
4
11
7
11
14
12
10
7U05
STP15NK50ZFP
6
7
5
3
7
8
9
10
11
12
13
5U02
7U08
LOW
SIDE
DRIVE
7U06
STP15NK50ZFP
10
9
5U40
2003
3U57
3U22
3U52
3U00
6U78
6U79
3U07
7U10
TL431ACD
3U26
VS Voltage
Adj.
3U24
3U30
+24V
HOT
COLD
1D00
T3.15AH
9U01
9U06
5D02
5D03
2
3
MAINS
FILTER
1
4
1D50
OVER
VOLTAGE
PROTECTION
3
3H10
400V_HOT_B
25V_HOT_B
14
15
16
1
2
6U21
STTH2003CFP
2
1
1303
3
4
5U25
5U26
1U07
T5A
5B93
5B92
5B91
1M02
2B91
6B91
6B93
2B93
7
6
5
4
3
2
1
2
1
3
4
HO
T_P+
HO
T_P-
400V_HO
T_B
1B06
SUPPLY PART B
A4
SUPPLY PART A
A2
MAINS STANDBY PART A
A1
MAINS STANDBY PART B
A3
CONNECTIONS
SA1
HOT
COLD
HOT
COLD
SA3
TO 1M02
AUDIO
HOT
COLD
HOT
COLD
HOT
COLD
3
VSND_POS
VSND_NEG
2
1
3
3
3
4
2
1
1304
STANDBY 42"
EUR, CHINA 1X MAINS HORMONIC COIL
US, AP 2X MAINS IR INRUSH CURRENT
MAINS IN
EUR: 198 - 264V~
CHINA: 160 - 270V~
US: 108 - 132V~
APmulti: 90 - 175V~
US DOUBLER
AP AUTO DOUBLER
WITH TRIAC
US DOUBLER
AP AUTO DOUBLER
WITH TRIAC
2816
2815
6156
HOT
COLD
CONTROL
3
7501
TCET1102
2
1
4
3
+5V2-RELAY-IO2
2
1
1306
2
1
1307
3
4
2
1
1305
3
3108
7100
7101
7105
7150
TCET1102
2
1
4
6151
6150
7511
7131
VTUN
+11V
+8V6
+5V2
+5V_SW
5500
5110
6504
3509
6140
5103
2513
5506
7531
6505
6107
+12V
6
7
10
STANDBY
7507
7506
7512
STANDBY
OVERVOLTAGE
PROTECTION
8
3128
6122
1M46
10
11
5105
STANDBY
SA2
8
9
6
7
4
5
2
3
1
B21
TO 1M46
CONNECTIONS
3
3155
5
2
1
7102
1M03
9
B21
TO 1M03
CONNECTIONS
+5V2-RELAY-IO2
7508
OR
9110
+5V2
+5V2-RELAY-IO2
POR
STANDBY: LOW
=
ON
HIGH
=
STBY
3V MAX
1V MAX STBY
2H16
2H15
6155
6154
6157
6A55
6A54
2020
2022
2503
2U20
THYRISTOR
7505/7509/7560
OVERVOLTAGE PROTECTION
STANDBY
5507
+12V_A
DC_PROT
DC_PROT
DC_PROT
DC_PROT
3158
PROT-OVV
6153
3406
E_14620_043.eps
080704
VREF
5
1
2
3
4
5
1
2
3
4
5
1316
1317
TO
DISPLAY
TO
DISPLAY
2
1
1303
3
4
1
2
1M10
AL
TO
AMBI LIGHT
+24V_2
7002
TCET1102
2
1
4
3
7U02
TCET1102
2
1
4
3
VREF
5