Sony PVM-A250 Service Manual page 24

4. QBC power
28 V in one channel and 12.5 V in two channels are supplied to a G2 board. They are produced for the
power used on a QBC board and the power for an OLED module using the DC/DC converter and regula-
tor on a QBC board.
The power map is as shown below
CN4007
+12.5V_A
7
F7617
CN4007
+12.5V_B
8
F7618
2-4 (E)
IC7618
IC7613
IC7619
IC7617
IC7616
IC7601
IC7002
IC7605
IC7602
IC2001
IC7612
IC7614
IC8600
F8600
IC8603
F8602
F8603
+3.3V_STB
+2.5V_TC
+1.8V_TC
+5V_STB
+1.5V_STB
+1.2V_STB
+9V_AUD
+5.0V_VID
+3.3V_QBI
+1.8V_HD_A12
+1.0V_TC
+1.5V_TC
_6V
VSSWS
Power for
VSS1DS
OLED panel
VSS2DS
PVM-A250