18
BDP-120
1
2
3
4
A
B
C
D
E
F
1
2
3
4
4. BLOCK DIAGRAM
4.1 OVERALL WIRING DIAGRAM
POWER
KEY_STBY
MAI
N
BLOCK
IC250
8
RESET
PST
8
246
N
IC2506
A
N
D
T7SET0
8
F
IC2502
RESET
PST3220
IC2501
RESET
BD5231
KEY_STBY
AT_12
V
AT_5
V
SUB_PC_-
8V
PO
WER_F
AIL
LED_STBY
R/C_PULSE
AT_5
V
LED_STBY
LED_PO
N
KEY_STBY
A
Q
UOS_PURE
POWER PWB UNIT
(DUNTKF053TEV3)
OPE-L PWB UNIT
(DUNTKF056TEV3)
MAI
N
_P-CO
N
(H)
DRI
V
E_P-CO
N
(H)
SUB_PC_(H)
FA
N
_DET
LOW_POWER_CTL
SUB_SHORT_DET
IC2502
E2PROM
BR24L16F
I2C
LCD_CLK
LCD_CS
LCD_D
A
T
A
LCD_RST
BL_LED
IC1101
LCD DRI
V
ER
PT6596
(WHITE)
SEG_
COM
AT_5
V
O
V
P
23PI
N
B to B
SC9001
23PI
N
B to B
C
N
2301
C
N
2501
14PI
N
FFC
SC1101
Primary
Control
IC901
MR4010
Switching
Transformer
WA327WJ
AT_12
V
Rectifier
AT_-12
V
Rectifier
FA
N
REG
Q901
2SD46
8
AT_12
V
(To MAI
N
PCB)
FEED BACK
STA
N
DBY CTL
LOW_POWER_CTL
Over
V
oltage Protecter
O
V
P
SUB_PC_-
8V
SW
Q953
2SB1132Q
SUB_PC_-
8V
(To MAI
N
PCB)
FA
N
_
V
DD
To FA
N
C
N
902
FR_CEC_I
N
FR_CEC_OUT
D_G
N
D
FRO
N
T_RXD
FRO
N
T_TXD
COLD_RST
FL_BUSY
POWER_FAIL
CBOOT
TO
POWER CIRCUIT
BLOCK
23PI
N
B to B
C
N
901
LED_PO
N
PAUSE
STOP
PLAY
KEY_OPC1
KEY_OPC1
When ordering service parts, be sure to refer to "EXPLODED
V
IEWS and PARTS
LIST" or "PCB PARTS LIST".
The
mark found on some component parts indicates the importance of the safety
factor of the part. Therefore, when replacing, be sure to use parts of identical
designation.
www. xiaoyu163. com
QQ 376315150
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