Pioneer BDP-LX55 - Main Board Assy (1;15): Power Source

44
BDP-LX55
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10. SCHEMATIC DIAGRAM
10.1 MAIN BOARD ASSY (1/15) : POWER SOURCE (Sheet No.2)
A
1/15
100MA(Max)
close to DC/DC
Internal MCU Use U2
External MCU Use R7
+5V
146MA
FOR VFD USE
135MA FOR BD
58MA(BD)
1.1V
POWER
close to IC
RESET
CI RCU I T
EB
2
2N3904
C
1
VCC R/R to Q3.b
5.000V 0.772V
4.532V 0.700V
3.885V 0.600V
3.237V 0.500V
3
2.6V
STANDBY MODE
STANDBY MODE
RESET_
OPWRSB
EN
VCC
3.3V_STBY
-24V
-24V
3.3V
-24V_D
+12V_D
+12V
VCC 3.3V_STBY
VCC
+12V_D
+12V
1.2V
+12V VCC
VCC_D
VCC
VCC_D
1.1V
M
M
RESET_ 7
OPW7
OPWRSB7
R7 NC/0R7 NC/0
R304
NC/33K
R304
NC/33K
C447
NC/1000pF/50V/NP0
C447
NC/1000pF/50V/NP0
R15
NC/100K
R15
NC/100K
C75
NC/1000pF/50V/NP0
C75
NC/1000pF/50V/NP0
R303
3.3K
R303
3.3K
U12
P_AO4803
U12
P_AO4803
S1
1
G1
2
S2
3
G2
4
D2
5
D2
6
D1
7
D1
8
C548 100pF/50V/NP0C548 100pF/50V/NP0
C26
NC/100pF/50V/NP0
C26
NC/100pF/50V/NP0
Q214
NC/P_AO3401A
Q214
NC/P_AO3401A
G
DS
C436
NC/1000pF/50V/NP0
C436
NC/1000pF/50V/NP0
C95
NC/1000pF/50V/NP0
C95
NC/1000pF/50V/NP0
C428
NC/100pF/50V/NP0
C428
NC/100pF/50V/NP0
C106
NC/1000pF/50V/NP0
C106
NC/1000pF/50V/NP0
C295
NC
C295
NC
R962 NC/0R962 NC/0
-24V-24V
C448
NC/100pF/50V/NP0
C448
NC/100pF/50V/NP0
C301
100NF/16V/Y5V
C301
100NF/16V/Y5V
ZD3
BZX79C2.7
ZD3
BZX79C2.7
C313 100NF/16V/Y5VC313 100NF/16V/Y5V
C512
NC/10pF/50V/NP0
C512
NC/10pF/50V/NP0
C6C6
10pF/50V/NP0
Q6
NPN_3DG3904M
Q6
NPN_3DG3904M
FB713 10ohm/2A
C454
0.1uF/16V/X7R
C454
0.1uF/16V/X7R
C316
NC/100pF/50V/NP0
C316
NC/100pF/50V/NP0
C107
NC/1000pF/50V/NP0
C107
NC/1000pF/50V/NP0
C522
33pF/50V/NP0
C522
33pF/50V/NP0
Q5
NPN_3DG3904M
Q5
NPN_3DG3904M
C7
NC/100pF/50V/NP0
C7
NC/100pF/50V/NP0
CC
C520
NC/33pF/50V/NP0
C520
NC/33pF/50V/NP0
R301
100
R301
100
GND3GND3
C193
100pF/50V/NP0
C193
100pF/50V/NP0
C85
NC/1000pF/50V/NP0
C85
NC/1000pF/50V/NP0
C517
NC/1000pF/50V/NP0
C517
NC/1000pF/50V/NP0
C438
33pF/50V/NP0
C438
33pF/50V/NP0
XP1
7PIN/2.5mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
TP1TP1
+12V+12V
C456
33pF/50V/NP0
C456
33pF/50V/NP0
R963 NC/0R963 NC/0
C523C523
NC/1000pF/50V/NP0
C390
10uF/10V/Y5V
C390
10uF/10V/Y5V
C318
10pF/50V/NP0
C318
10pF/50V/NP0
Q15
NPN_3DG3904M
Q15
NPN_3DG3904M
C130
NC/33pF/50V/NP0
C130
NC/33pF/50V/NP0
ZD1
BZX79C27
ZD1
BZX79C27
C323 100NF/25V/Y5VC323 100NF/25V/Y5V
+
220uF/10V
CE27
+
220uF/10V
CE27
R320
4.7K
R320
4.7K
VCCVCC
R294
1K
R294
1K
C451
NC/100pF/50V/NP0
C451
NC/100pF/50V/NP0
R300
15K/1%
R300
15K/1%
R22
0OHM
R22
0OHM
C455
100pF/50V/NP0
C455
100pF/50V/NP0
R293
10K
R293
10K
C225
NC/1000pF/50V/NP0
C225
NC/1000pF/50V/NP0
C519
NC/1000pF/50V/NP0
C519
NC/1000pF/50V/NP0
C508
NC/100pF/50V/NP0
C508
NC/100pF/50V/NP0
C25
10uF/10V/Y5V
C25
10uF/10V/Y5V
GND1GND1
C510
NC/1000pF/50V/NP0
C510
NC/1000pF/50V/NP0
C445
NC/33pF/50V/NP0
C445
NC/33pF/50V/NP0
+
CE206
1000uF/10V
+
CE206
1000uF/10V
R302
2.7K
R302
2.7K
C544 0.1UF/50V/NP0C544 0.1UF/50V/NP0
U2
G9091-330T11U
SOT-25/SMD
U2
G9091-330T11U
SOT-25/SMD
VIN
1
GND
2
EN
3
NC
4
VOUT
5
R41
1K
R41
1K
R292
100K
R292
100K
R305
20K
R305
20K
C429
2.2uF/10V/Y5V
C429
2.2uF/10V/Y5V
C458
0.1uF/16V/X7R
C458
0.1uF/16V/X7R
C418C418
NC/1000pF/50V/NP0
C559 NC/33pF/50V/NP0C559 NC/33pF/50V/NP0
C435C435
NC/1000pF/50V/NP0
C437
NC/100pF/50V/NP0
C437
NC/100pF/50V/NP0
VCC1VCC1
C446
NC/33pF/50V/NP0
C446
NC/33pF/50V/NP0
C321
NC/100pF/50V/NP0
C321
NC/100pF/50V/NP0
Q206
NPN_3DG3904M
Q206
NPN_3DG3904M
R291
20K
R291
20K
C459
10pF/50V/NP0
C459
10pF/50V/NP0
C298
100pF/50V/NP0
C298
100pF/50V/NP0
GND2GND2
C299
100pF/50V/NP0
C299
100pF/50V/NP0
C426
22UF/16V/Y5V
C426
22UF/16V/Y5V
C521
NC/10pF/50V/NP0
C521
NC/10pF/50V/NP0
Main Board Circuit Diagram:Power Source
FB33 33-KLN501-NTX
E
CN503
Therefore, when replacing, be sure to use parts of identical designation.
When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB
The > mark found on some component parts indicates the importance of the safety factor of the