Block Diagrams, Testpoint Overviews, and Waveforms
6.
Block Diagram Supply 37”
CONNECTIONS
SA1
STANDBY
SA2
MAINS STANDBY
A1
SUPPLY
A2
6307
GBJ6J
-
+
6306
DF06M
-
+
7001
MC34067P
15
7011
7012
7007
HIGH
SIDE
DRIVE
7004
7009
5001
BIAS SUPPLY
SOFT
START
+
CURRENT
PROTECTION
CONTROL
VCC
OSCC
ERROR
SOST
OB
OA
FI
2
4
11
7
11
14
12
10
7005
STP15NK50
7002
TCET1102
6
7
4
1
3
2
5011
7008
LOW
SIDE
DRIVE
7006
STP15NK50
10
9
6019
STPS20L40CFP
2003
6024
6025
3007
7010
TS2431
3030
1314
T5AH
1308
5303
5305
5306
2
3
MAINS
FILTER
2
1
1
4
1350
OVER
VOLTAGE
PROTECTION
1315
T1AE
400V_HOT
25V_HOT
HOT
COLD
HOT
COLD
SUPPLY 37"
399V_HOT
5002
1007
T5A
VSND_POS
VSND_NEG
GND_SND
+24Vb
+24Va
+12V
400V_HOT
2303
2020
2022
2060
PRINTED
COMPONENT
HOT
COLD
VREF
5
N.C.
5008
5007
25V_HOT
399V_HOT
6315
6316
6318
6317
RES
6314
6304
2319
3318
3000
2029
2045
6021
6041
5025
5026
7307
TCET1102
2
1
4
3
+12V_A
+12V_+24V
HOT
COLD
CONTROL
3
7501
TCET1102
2
1
4
3
+5V2-RELAY-IO2_PWM
7100
7101
7105
7150
TCET1102
2
1
4
7511
RES
7131
RES
VTUN
+11V
+8V6
+5V2
+5V_SW
5500
7531
+12V
6
7
10
STANDBY
7507
7506
7512
STANDBY
OVERVOLTAGE
PROTECTION
8
B16
TO 1J01(1M46)
CONNECTIONS
3
5
2
1
7102
B16
TO 1J00(1M03)
CONNECTIONS
+5V2
STANDBY: LOW = ON
HIGH = STBY
3V MAX
1V MAX STBY
CONTROL
7505/7509/7560/
Prot-OVV
+12V_A
PROT-OVV
F_15420_025.eps
150605
TO
DISPLAY
AL
TO 1M10
AMBI LIGHT
(Optional)
1305
1
1
1305
2
2
3
3
1306
1
1
1306
2
2
1
1307
2
3
4
1304
4
4
1304
3
3
2
2
1
1
6504
6140
3509
5110
5507
5103
6505
6122
3158
PROT_AUDIOSUPPLY
2512
5506
2513
3128
3113
3124
2141
5504
5505
5104
5105
3108
3127
3104
3150
3101
3155
6151
6150
3156
6153
3157
6156
1316
1
2
3
4
5
1M10
1
2
1M03
9
1M46
3
4
5
7
8
3100
11
9
6
1317
1
2
3
4
5
1M02
7
6
4
5
3
2
1
SA3
TO 1M02
AUDIO
TO
DISPLAY
5
+5V_SW
N.C.
SA1
SA2
2009
6029
2021
6030
5020
5018
5019
2042
2049
6031
6040
5021
5022
DC_PROT
7003
3031
3052
3057
VS Voltage
Adj.
3026
3025
9311
5017
5012
5009
2059
5010
DC_PROT
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