Block Diagram - Audio Power Supply Section - Sony TAV-L1 Service Manual

7-11. BLOCK DIAGRAM – AUDIO POWER SUPPLY Section –
MAIN SYSTEM CONTROLLER
IC602 (5/5)
45 PANEL5V_ON/OFF
PANEL5V_ON/OFF
73 POWER1
POWER1
18 POWER2 22 POWER2
POWER3 25 POWER3
(Page
POWER4 23 POWER4
56)
12
PSW_SW
(Page 52)
10
SP_PROT 82 TV_PROTECT
(Page 52)
8 AC OFF DET 38 TV_AC_DET
(Page 51)
AC CUT
17
(Page 55)
TAV-L1
E +8V
+5V
REGULATOR
A +5V
IC604
A +9V
AMP +12V,
LED +12V
P_CONT2 44
INVERTER TRANSFORMER
FOR FLUORESCENT
FL
INDICATOR TUBE
FL
RECT
IC842 VFL
D842 – 845
D +3.3V
+1.8V
REGULATOR
RF +1.8V
IC106
+1.8V
REGULATOR
AMP +1.8V
IC302
+1.8V
REGULATOR
DSP +1.8V
IC507
P_CONT1 40
E4V
D906
SUB SYS +3.3V MAIN SYS +3.3V
D905
IC912 +3.3V
RESET
RESET 12 SWTCH
Q602
RESET SIGNAL
AC_CUT 20 GENERATOR
IC603
AMP +27V
D132
MAIN
POWER ON/OFF
CONTROL
Q143, 147
SHUNT
REGULATOR
IC131
B+ SWITCH
Q901
+9V
REGULATOR
+12V
IC911
+12V
REGULATOR
IC909
T841
OSC
Q841
+3.3V
SERVO DSP
REGULATOR
+3.3V
IC105
+3.3V
REGULATOR
RF +3.3V
IC107
+5V
REGULATOR
D +5V
IC908
+3.3V
REGULATOR
IC910
D602
SHUNT
REGULATOR
D601
IC151
E +3.3V
AC DETECT
Q161, 162
57 57
MAIN POWER
TRANSFORMER
T101
RECT
D131
D105 D108
B+ SWITCH
Q101
D106, 107
D114 D115
ISOLATOR
PC102
D110
ISOLATOR
PC101
SUB POWER
TRANSFORMER
T102
RECT
D144
RECT
D141
POWER CONTROL
IC121
RECT
D142
1 DRAIN
RECT RIPPLE FILTER
4 VCC
D143 Q121
D122
ISOLATOR
6 FB/OLP
PC104
8 STARTUP
LF103
LINE
RECT
FILTER
D101
LF102
ISOLATOR
PC103
D103, 104
TAV-L1
POWER CONTROL
IC101
3 D
4 VCC
1 OCP/SYNC
5 FB/OLP
(AC IN)
LINE
F101 F185
FILTER
LF185
MAIN POWER
19 (Page 56)