Philips HTB7150 Service Manual page 22

5 - 1
VFD+LED BOARD
TABLE OF CONTENTS
Circuit Diagram ................................................................................. 5-2
PCB Layout Top & Bottom View ........................................................ 5-3
FTD DISPLAY PIN ASSIGNMENT
PIN CONNECTION
3 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1
PIN NO.
2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3
P P P P P P P
CONNECTION F F N 1 1 1 1 1 1 1 P P P P P P P P P N N 1
2 2 P 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 C C G G G G G G G G P 1 1
NOTE 1) F1, F2 --- Filament
2) NP ------ No pin
3) DL ------ Datum Line
4) 1G~8G --- Grid
5) Solder composition is Sn-3Ag-0.5Cu
6) 1.5MAX is applied to all the leads inside A area.
0.8MAX is applied to all the leads inside B area.
5 - 1
Dp2
(2G,4G)
col
(2G,4G,6G)
col
(2G,4G,6G)
Dp1
(4G,6G)
1 1 1
2 1 0 9 8 7 6 5
2 3 4 5 6 7
4 3 2 1
8 N F F