Chapter 5. Block Diagram Block Diagram - Sharp BD-HP90U Service Manual

CHAPTER 5. BD-HP90U
BLOCK DIAGRAM
[1] BLOCK DIAGRAM
I
TSOP 48pin
H
x8 x8
FBGA 78balls FBGA 78balls
G
F
E
D
C
B
AC IN AC ADAPTER
A
AC100~240V
DC12V
1 2 3 4 5
x8
x32
x8 x8
FBGA 78balls FBGA 78balls
27MHz
X7201
12V SW
Q9014
FAN REGULATER
FAN MOTER
IC9005
5.2V REGULATER
IC9004
3.3V REGULATER
IC9002
1.5V REGULATER
IC9003
DC JACK FUSE O.V.P 1.2V REGULATER
J9002 F9001 Q9008,09,10 IC9001
6 7 8 9
Service Manual
Blu-ray SYSTEM
PROCESSOR
IC7208
BGA 422balls
BROADCOM
P7207
P7201
DRIVE 12V(PC)
5.2V SW
Q9014
DRIVE 5V(PC)
3.3V REGULATER
IC7202
AT 5V
D3.3V(PC)
D1.5V(PC)
D1.2V(PC)
10 11 12 13 14
5 – 1
232C_RXD
DDC
CEC
232C_TXD
F_TXD
LED OUT
F_RXD
KEY IN
COLD RST P-CON P-FAIL RST
PWR KEY
AT 3.3V
15 16 17 18 19
BD-HP90U
20 21 22