Main Power Supply - Sony TRINITRON KV-34FV310 Service Manual

GW BOARD BLOCK DIAGRAM
To A Brd
Energy Star
STBY
G board
5VDC
TV-8
DEC
Rect.
Relay
L.F.T
AC Line
D.G.C.
Via Hz Board
D.C. from block
Capacitors
GW Board
To A Brd To A Brd
5V 9V
5V
Reg.
Reg.
SRT
Power Mosfet
2SK2876
Power Supply
HV
Rect.
14V
2
2
T o T o
D Brd D Brd
D.C. for HV. P.S.

Main Power Supply

From A Brd
L,R process signals
T o
D/TK
Brd
To A Brd
B+
135V
Rect.
12.5V
Low B
Rect.
To A Brd
24V
Audio
Rect.
— 31 —
2
2
2
TruSurround
NJM2188
R
L
Front Spk Audio Amplifier
KV-34FV310/38FV310
Audio Amplifier
TFA9844
Stereo
7.5 + 7.5w
10 + 10w