Main Unit--Amp Board - Philips HTS3220/12/98 Service Manual

Main Unit -- AMP Board Circuit Diagram
CN1
CON2X3P(PH=4.2MM)
M C U 5 V S W _ O U T
2 1
GND 4 3 GND
+27V IN POW/MUTE
6 5
4750mA
J5
2
1
CON2.54-2
D6
1N4001
D2
1N4148
Q4
3
D965,DIP
R57 5.6K
+
R60 5.6K 3 Q6
D965,DIP
C30 R63
0.1uF
22K
C31 0.1uF
R64 10R
CB16 +27V_IN 27V_IN
0.1uF L12 FB/1206
CE27 CB8 L13 FB/1206
CD263/100UF35V/D8H7 +
0.1uF
CE28 +
CD11/220UF35V/D8H12
U9
BZ1 R53 220
L14
R56 220
1 6
1 6
D3
2 7
2 7
6.2V
3
3
D4 FR104
R59 100 -27V
4 8 2 1
4 8
5 9 R61
5 9
D5 CE34
47K
27V
220uF/35V
17-1
U5 L11
AP1501-5V 47uH_3A
1 2
VIN VOUT
CB12 + CE29
CB11 0.1uF D1
CD263/470UF16V/D8H12
0.1uF SK34
R39
0R/10K
27V_IN
R55 1M
C28 100pF
CE75
SW IN Q5
2
2N3904
CD11X/10UF16V/D4H7
R62
330
VCC
CB9
0.1uF
MCU5V
R308
NC/10K
ECO POWER R45 2.2K POW/MUTE
R46 4.7K
MUTE R47 4.7K Q2
2
2N3904
R48 4.7K
S MUTE R50 4.7K
2
Q3
2N3904
R51
47K
J4
CON2.0-5
R54
4.7K
CE32 CD11X/4.7UF16V/D4H7
SW OUT
27V_IN
R58 SW IN
2.2K
GND
MCU5V
ECO_POWER
CE35 MUTE
S_MUTE
+
CD11/220UF35V/D8H12
17-1
J3
2
1
CON2.54-2
TP21 TP24
VF2 TP26
1
VF1 TP27
2
-27V TP28
3
GND TP29
4
MCU5V TP30
5
27V_IN 2
SW_IN 2
GND 2
MCU5V 2
ECO_POWER 2
MUTE 2
S_MUTE 2