Sharp HT-DD5000W Service Manual page 13

HT-DD5000W
V_GND
AC3D_GND
AC3_GND
D_GND
A_GND
M_GND
P_GND
VH(–)
VH(+)
VL(–)
VL(+)
REGURATOR
A-12V(ANALOG)
Q406
–7V
VOLTAGE
REGURATOR
VOLTAGE
REGURATOR
A+12V(ANALOG)
Q405
+7V
VOLTAGE
REGURATOR
A_5V
REGURATOR
AC3_3V
Q625
VOLTAGE
REGURATOR
FL VF1,VF2,–VPP
µ-COM
µ-COM_GND
D621
D622
VOLTAGE
Q620
D623-D626
Q622
Q621
SWITCHING
VOLTAGE
REGULATOR
D627-D630
VOLTAGE
Q624
Q623
SWITCHING
Figure 12 BLOCK DIAGRAM (2/5)
VOLUME
SECTION
TRANSFORMER
F606
T4A L 250V
F607
T4A L 250V
F611
T1A L 250V
F608
T800mA L 250V
Q611
VF1
VF2
(AC)
VP
(AC)
– 12 –
L-CH IN
R-CH IN
S_WOOFER IN
µ-COM
PROTECT
REAR_L IN
REAR_R IN
CENTER IN
T602
POWER
220V
230-240V
F601
T2.5A L 250V
127V
110V
T.F
VOLTAGE
REGULATOR
POW-2
Q602
POWER SW
Q603
SWITCHING
µ-COM5V
POW-1
VH(+)
1
IC701
18
STK410
22
24 POWE
2
3
8
VH(–)
VH(+)
1
IC751
18
STK410
22
24
POWE
2
3
8
VH(–)
RLY601
SWITCHING
D6
VOLTAGE
REGULATOR
Q601