Digital Block Diagram - Sharp LC-26D4U Service Manual

LC-26D4U
LC-32D4U
LC-37D4U

DIGITAL BLOCK DIAGRAM

P9601
(NA162WJ) : Power
H
DP
BU18V
VCC(10V)
BU5V(64mA)
P5V
IC9702
(PQ1CZ41H)
5V(500mA)
G
P3V3
IC9701
(PQ1CX12H)
3.3V(1.3A)
F
E
D
C
FDC_IF_P,
FDC_IF_N, IC8601
FDC_LO_P,
(IXB087WJ)
FDC_LO_N,
FDC_AGC
: Demodulator
TUN_SCL, IF_OUT_P,
TUN_SDA IF_OUT_N
DRX,CRX
B
TU8001
J8052
(DTA018WJ)
(EA042WJ)
: Digital
: OOB
Cable / Air
Tuner
A
1 2 3 4
50
P8801 (NA334WJ)
P8901 (NA332WJ)
: Digital Audio Out /
:Analog Rec A/V out
User Serial / RF-SW
DS
RF_SW
SC5V
RS_ON
IC9602 IC9007
TA5V
PQ1X331M
(PQ1CZ41H)
3.3V
5V(500mA)
UATXD_A,
A5V
UARXD_A
LOUT_SUB,
ROUT_SUB
IC9608
A3V3 SW
(PQ1M335M)
3.3V
AMP
/MUTE
IC9605
AV9V
(PQ090DNA)
L/R
9V(32mA)
IC9601
D3V3
(PQ1CZ41H)
3.3V
IC8801
(AK4363VF)
: Audio-DAC
IC9603 D1V2
( --> PH1)
(TPS54350)
1.2V
IC9606
D1V1
(MP1571DS)
( --> DEMOD)
1.1V
IC9604
D2V5
(PQ1CX12H)
2.5V
IC9502 IC9503
USPOW
(IXB474WJQ1) (IXB475WJQ1)
: CPLD : CPLD
IC9402 IC9403
TPS2022D IXB016WJ
Power Power
SC9401
N0477FJ
POD I/F
5 6 7 8
P9201 (MA264WJ) 40pin
:Digital Video in/out IF to MAIN
DA
Level
Cont
VCR
S level
VCRS1SEL[1:0]
AUDMUTE
V_SUB I2CSCL0,I2CSDA0,
SY_SUB,SC_SB I2CSCL1,
REC_MUTE I2CSDA1
UART2
IC8902
(MM1566AJ) SD-C, SD-Y
: Filter
POD
TS
I2CSCL0,I2CSDA0
OUT
SRCK,DMIX,DACCK,LRCK
N_AUDIORST
ED[31:16]
HOST Bus
I2CSCL1, N_SBACK
I2CSDA1
IC8453
(BR24L64F) I2CEXT
: EP ROM 64Kbit
PIO
UART0,1
SD_PWR
SC5V
IC8701
PQ1X331M
LED
*2
IC9101
(B500WJQ1)
: CPLD
N_EXT_BOOT,
EXT_RDY,
CBOOTS,
PM_REQ,
N_SRESET
SC8701
(ZA050WJ)
: SD Card
Slot
9 10 11 12
P9301 (MA255WJ) 80pin
:Main Bus IF to MAIN
MVY[7:0],MVC[7:0],
MVCLKO,MHSYNCO, BUS_SPLIT
SW
MVSYNCO
SVDACO[2:1]
I2C TS0 DigitalVideo Rec Video
/POD TS In Out
Audio
Out
DigitalVideo
Out
MMVREF
IC8304
(BD3533F)
:DDR Termination
IC8101 (iXB145WJ)
: CPU & AV Decoder
PH1-Lite(MN2WS0025)
MMDQ[31:0],
MMUDQS[1:0],
MMLDQS[1:0]
IC8301~8302
(iXB038WJ)
: DDR SDRAM
256Mbit * 2
DDR IF
MMA[13:0],
IRQ[0~4] STC/ PLL
MMCK,XMMCK,
RST
MMCKE,XMMCS,
XMMRAS,XMMCAS,XMMWE,
MMDQMU[1:0],MMDQML[1:0],
CK27,
MMBS[1:0]
CLK74 VC27
CK27_POD
IC8401
(XB422WJ)
CK27_CPLD
:CLK-Gen
27MHz
IC8451
(LHF12FT5)
: Flash 128Mbit
13 14 15 16
51
LC-26D4U
LC-32D4U
LC-37D4U
SW
D2V5
D3V3
17 18 19