Voltage - Philips HTS3548W/55 Service Manual

7 - 1
POWER BOARD
TABLE OF CONTENTS
Voltage .............................................................................................. 7-1
Circuit Diagram (Main) ....................................................................... 7-2
PCB Layout Top View (Main) ............................................................ 7-3
PCB Layout Bottom View (Main) ....................................................... 7-4
Circuit Diagram (Wireless) ................................................................. 7-5
PCB Layout Top View (Wireless) ...................................................... 7-6
PCB Layout Bottom View (Wireless) ................................................. 7-7

VOLTAGE

IC901
Pin NO 1 2 3 4 5 6 7
Voltage 4.80 4.80 2.40 0.00 1.70 3.40 0.00
IC902
Pin NO 1 2 3 4 5 6 7
Voltage 2.70 0.00 0.50 2.10 0.00 1.00 11.00
IC903
Pin NO 1 2 3 4
Voltage 4.90 4.20 0.00 1.00
IC904
Pin NO 1 2 3 4
Voltage 4.60 3.50 0.00 2.60
IC905
Pin NO 1 2 3
Voltage 3.50 0.00 2.40
Q901 Q907
Pin NO b c e Pin NO b c
Voltage 148.00 318.00 148.00 Voltage 0.60 0.00
Q904 Q908
Pin NO b c e Pin NO b c
Voltage 0.00 3.40 0.00 Voltage 0.00 4.30
Q905 Q909
Pin NO b c e Pin NO b c
Voltage 11.50 13.50 11.00 Voltage 0.00 147.90
Q906 Q910
Pin NO b c e Pin NO b c
Voltage 0.00 41.90 0.00 Voltage 1.50 0.00
7 - 1
8 9 10 11 12 13 14 15 16
12.00 2.30 2.30 12.00 12.00 4.90 4.90 2.40 0.00
8
4.90
Q911 Q915
e Pin NO b c e Pin NO b
0.00 Voltage 1.50 0.00 1.80 Voltage 42.00
Q912 Q916
e Pin NO b c e Pin NO b
0.00 Voltage 0.00 550.00 0.00 Voltage 1.50
Q913 Q917
e Pin NO b c e Pin NO b
0.00 Voltage 72.00 0.00 2.50 Voltage 0.60
Q914
e Pin NO b c e
1.80 Voltage 0.00 0.60 0.00
c e
4.90 42.00
c e
0.00 0.00
c e
0.00 0.00