Ha, Hb And Nr Boards; Hc, Nf And D.c. Fan - Sony VPL-HS20 Service Manual

1-3-2. HA, HB and NR Boards

. Remove the front panel assembly and side cover assembly. (Refer to 1-3-1.)
5 Remove the side cover assembly
in the direction of the arrow.
1 Four screws
(+PSW 3x10) Claw
CN21
4 DC fan
7 NR board
2 Fan holder
3 Fan cushion
8 H holder
Four claws
CN62
HB board
CN63
![ HB2 button
HA board
9 HB board
0 HA board
!= HB1 button
!- HA button
6 Front panel assembly

1-3-3. HC, NF and D.C. Fan

. Remove the front panel assembly. (Refer to 1-3-2.)
1 Four screws
(+PSW 3x35)
2 Guard
4 Fan bracket (PW)
9 HC board
0 Front panel assembly
3 Fan cushion
Two claws
CN81
5 D.C. fan
CN11
6 Two screws
(+B 3x6)
7 FR holder
8 NF board
1-3
VPL-HS20