Cpu Block Diagram - Sharp TU-GA1U-S Service Manual

TU-GA1U-S
TU-GAD

CPU BLOCK DIAGRAM

H
LNB_PWR
G
(PQ1CZ41H)
5V(580mA)
F
30V
Gen
(2mA)
E
A30V
D
C
B
A
1 2
P9751 (N0545FJ) : Power
*current : typical
VCC(10V , 1.15A)
BU5V(64mA)
IC9752 IC9702 IC9751
(TPS54350) (PQ1CZ41H)
2.55V(720mA) 3.3V(480mA)
AV5V, D2V5 D3V3
A5VT,
SC5V
(TPS54350)
1.58V(1150mA)
IC9755 IC9756
(PQ1M335M) (PQ015EZ1)
3.3V(60mA) 1.5V(344mA)
A3V3 T1V5
TS1_CLK,
TS1_ERR,
TS1_EN,
TS1_PKTSYNC,
TS1_DATA
IC9601 28.22
MHz
(A700WJ)
: HS Modem
IC8053
20.467
(A554WJ)
MHz
: OFDM
IC9602
(A701WJ)
AGC_RF,
IF_OUT_T
: DAA
TU8051
J9601
(TA008WJ)
(Z1050CE)
: T Tuner
: Modem
Con
3 4
P8801(N0569FJ)
: Digital Audio out
to AV
N_GATEON
IC9754
(PQ0QDZ1U)
9V(32mA)
AV9V
IC9701
D1V5
T_SYNC_INT
INTCN_T,
INTTMCC_T
INTCN_1B,
INTTMCC_1B,
INTEWS_1B
BS1_SYNC_INT
TS0_CLK,
TS0_ERR,
TS0_EN,
TS0_PKTSYNC,
TS0_DATA
SDA_T,
SCL_T
TU8001
(SA007WJ)
: BS Tuner
5 6 7
50
P9301 P9001
P8901
(N0567FJ) (N0574FJ) (NA102WJ)
: Analog Rec A/V out
: PC IF : B-CAS IF
to AV
to TMDS to B-CAS
ICC_DRV_RES ,
ICC_CLKDIV2, UATXD1 DC_SUB
ICC_CMD_VCC,
ICC_DEFFSET
VCRS1SEL[1:0]
LOUT_SUB,
ROUT_SUB
VCR
S level
AMP
AUDMUTE
/MUTE
V_SUB
SY_SUB,SC_SB
L/R
IC8902
(TK15430V)
: Filter 6MHz
IC8801
(AK4363VF)
I2CSCL0,I2CSDA0
: Audio-DAC
I2CSCL0,
I2CSDA0
IC8453
I2CEXT
(BR24L64F)
: EP ROM
64Kbit
N_T_INT
N_BS1_INT
IC8454
IC8701
(LHF64FA3)
(TC6384AF)
: Flash 64Mbit
: SD Card Control
SC8701
(ZA050WJ)
: SD Card
Slot
8 9
Level
Cont
REC_MUTE
IC8901
VCRYOU
Y,C
VCRCO
(TK15420)
AMP
STCCLKO,ASDO0,
ABCKO,ALRCKO
AMCLK
N_COLDR
N_RESE
SBDAT[1
N_SBA
IC8451
(LHF12F0
: Flash 128M
10