Power Supply - Standard Horizon GX1250SA Service Manual

2.4 Power supply

The power supply block is diagrammed below. (Figure2-7)
Vcc (+13.8 V)
DC CABLE
DC 13.8 V
POWER
SWITCH
P101 TX/RX P.C.BOARD
RG02
SWED +B
+8V REGULATOR
Q201
NJM7808FA
Figure 2-7 Power supply block diagram
+8 V
RX +B switch
Q202
2SA1162
TX +B switch
Q204
DTB113ZK
+5V REGULATOR
Q205 2SD999
Q206 02CZ5.6Y
PL01 CONTROL P.C.BOARD
8
QT03 pin 3
QT55
Q101
QR02
LR04, LR30
QP01
SWED+8V
QP04
QP05
QR30
RX +8V
QR60
ZZ01
QT01
QT02
QM02
TX +8V
QP06
Q203
Q102
ZZ01
QP02
QP03
SWED +5V
Q106
Q111
QR62
BATT
MICROPROCESSOR
CHK
QL01
+5V
QL02, QL03,
+5V
QL04, QL05
QL13, QL14