Schematic Diagram - Pioneer BDP-440 Service Manual

1

2. SCHEMATIC DIAGRAM

2.1 MAIN BOARD ASSY (1/10) : POWER
A
GND1 GND1
VCC1 VCC1
XP1
VCC VCC
1
1
2
2
3
3
4
4
5
5
6
6
XP1 C298 C298
6PIN/2.5mm 6PIN/2.5mm
B
C
VCC
close to DC/DC
D
R300 R300
15K/1% 15K/1%
R301 100
R302 R302
2.7K 2.7K
VCC R/R to Q3.b
E
5.000V 0.772V
4.532V 0.700V
3.885V 0.600V
3.237V 0.500V
R20 R20
15K/1% 15K/1%
R23
R25 R25
2.7K 2.7K
F
AC power off
A
1/10F
6
1
2
VCC
1.57A FOR BD
135MA FOR BD
+12V
FB36 10/2A
-24V
C318 C318 C321 C321
-24V -24V
GND2 GND2
+12V +12V
7
POWER_K
Internal MCU Use U2
3.3V
External MCU Use R7
R7 NC/0
U2 U2
1 5
VIN VOUT
close to LDO
C11 C11 C12 C12
2
GND
2.2uF/10V/Y5V 2.2uF/10V/Y5V 4.7uF/16V/Y5V 4.7uF/16V/Y5V
3 4
EN NC
G9091-330T11U G9091-330T11U
SOT-25/SMD SOT-25/SMD
C 2
VCC 3.3V_STBY
1 B E 3
2N3904
R303 R303 R304 R304 R305 R305
3.3K 3.3K NC/33K NC/33K 20K 20K
RESET#
Q5 Q5 Q6 Q6 R15 R15
C25 C25
NPN_3DG3904M NPN_3DG3904M NPN_3DG3904M NPN_3DG3904M
10uF/10V/Y5V 10uF/10V/Y5V
NC/100K NC/100K
VCC_D
R19 R19
R18 R18
10K 10K
3.3K 3.3K
100 Q1 Q1 Q2 Q2
NPN_3DG3904M NPN_3DG3904M NPN_3DG3904M NPN_3DG3904M
C31 C31
0.1uF/25V/Y5V 0.1uF/25V/Y5V
RSTI VCORE 1.1V
2
3
+12V
135MA
R296 R296
1.1V
20K 20K
R295 100K
R294 R294
1K 1K
0.1uF/25V/Y5V 0.1uF/25V/Y5V
Q208 Q208
2N3904 2N3904
SOT-23 SOT-23
R293 R293
C301 C301
10K 10K
1uF/25V/Y5V 1uF/25V/Y5V
R297 R297
NC/470 NC/470
VCC
R291 R291
1.1V
20K 20K
R298 R298
NC/470 NC/470
R292 100K
R289 R289
1K 1K
Q206 Q206
2N3904 2N3904
SOT-23 SOT-23
R290 R290
C297 C297
10K 10K
1uF/25V/Y5V 1uF/25V/Y5V
3.3V_STBY 58MA(BD)
100MA(Max)
146MA
RESET
CIRCUIT
TP1 TP1
7
RESET_
0.1uF/25V/Y5V 0.1uF/25V/Y5V
C26 C26
close to IC
EN
BDP-440
3
4
A03407
C313 C313
+12V
Q209 Q209
89MA FOR BD
MOSFET_PGSD MOSFET_PGSD
S D
R963 NC/0
C316 C316
0.1uF/25V/Y5V 0.1uF/25V/Y5V
VCC
Q207 Q207
C323 C323
0.1uF/25V/Y5V 0.1uF/25V/Y5V MOSFET_PGSD MOSFET_PGSD 125MA FOR bd
S D
R962 NC/0
C299 C299
0.1uF/25V/Y5V 0.1uF/25V/Y5V
FOR VFD USE
-24V
+12V_D
R320 R320
NPN_3DG3904M NPN_3DG3904M
Q150 Q150
ZD1 ZD1
4.7K 4.7K
BZX79C27 BZX79C27
-24V_D
4
P
7
+12V_D
PCON
OPWRSB R3
7
OPWRSB
VCC_D