System Block Diagram - Sharp LC-52D82U Service Manual

LC-46D82U/LC-52D82U

[2] SYSTEM BLOCK DIAGRAM

SYSTEM BLOCK DIAGRAM
J
V1.V
CVBS/LR
INPUT V1.L/R
1
C1.Y/PB/PR
Component
I
V2.V
CVBS/LR
INPUT V2.L/R
2
C2.Y/PB/PR
Component
V3.V
CVBS/LR
INPUT V3.L/R
3
S3.Y/C
S Video
H
SP-R
SP
P2703
EXT-SP
SP-L
+5V
Audio Out
G
+5V
RF IN
+3.3V
+1.8V
+1.0V
F
INPUT
HDMI 1
RX_x8
4
IC1701
EEPROM
INPUT HDMI 2
RX_x8
5
IC1502
EEPROM
INPUT HDMI 3
RX_x8
6
E
INPUT
HDMI_L/R
HDMI Audio
6
D
OPTICAL
OUT
D1313
C
B
A
1
TERMINAL
+9V_A +5V_A
IC501
AV SWITCH
MM3151XQ
Video1
(V1)
(YPbPr1)
TV
Video2
Main
(V2) Out
(YPBPR2) (OUT1)
I2C
Video3
(V4)
(YC4)
IC2701
Audio AMP
TPA3100D
AMP+13V
Disclete
L/R
Mute
MA :SC1102/SC502(23PIN)
GAIN
IF to MAIN I/F
IC1103
TU1101
CVBS
+5V
Analog/
Digital
Tuner
AFT
+5V
IC1401
SIF
AN5832SA
IC8601
TS out
Digital
Demodulator
X' tal
25.140MHz
IC1501
EEPROM
AOUT_L/R
L/R.OUT
+5V_A
ATV.L/R
IN1
V3.L/R
IN2
IN3
HDMI_L/R
IN4
IC1404
V2.L/R
IN5
CODEC
V1.L/R IN6
AK4683EQ
+3.3V
DTV_I2S
IC8801
Audio DAC I2S bus
AK4363VF
RX2
AUDCLK
DACCK
RX0
(DTV_I2SMCLK)
TX
32kHz or
44.1kHz or
48kHz
+5V_A
OPT_OUT
X' tal
Mute
IC1305
12.288MHz
+3.3V
IC1407
Sound DSP
TAS3108D
2 3 4
Y
Main Y/V
Disclete
LPF
C
Main C/Cb
Main Cr
AMP_MUTE
Standby
fault
IC1302
Reset
+5V
IC1104
DAC
IC1303
+5V
M62332FP
0 6 7 4
IC1301
L_MUTE
I/O
5
2
M62320
3
I2C0_5
3-5V
Conv
+3.3V IC1702
TMDS-SW
TMDS341
In6
In5
+3.3V
In4
Sel_5/6
IC1508
RGB 24bit
HDMI RX
+3.3V IC1507
CK,HD,VD,DE
SII9025
TMDS-SW
TMDS341
In3
In2
In1
X' tal
Sel_1/2/3
28.322MHz
DTV_I2SSCLK,DTV_I2SLRCLK,DTV_I2SDATA
SPDIF(Digital Audio)
+5V
+9V_A
IC1408
Amp
OUT1
NJM4565V
OUT2
X' tal
12.288MHz
HDMI_SEL5/6
HDMI_SEL1/2/3
P_MSP_RST
to CPLD
HPL/R
CPLD
I2S bus
HDMI_SPDIF
to CPLD
SDSP_DET
SDSP_RST
P1401
IC1403
+3.3V
EEPROM
256kbit
5 6
6 – 3
MAIN
14.318MHz
Xtal
14.318MHz
+3.3V +2.5V +1.8V
+9V_A
Y/V
CVBS1(M4)
CVBS2(N4) LVDS OUT
C
C(T1)
TUNER_V
CVBS3(N3)
Comp_Y
Y1(U3)
Comp_Cb
Cb1(AA1)
Comp_Cr
Cr1(W3)
IC3301
IXB925WJ
Video Processer LX
HDMI RGB 24bit
Digital IN-B
CK,HD,VD,DE
DTV YUV 16bit
Digital IN-A
CK,HD,VD
Thermister
(400KHz)
I2C1
I2C0 (100KHz)
+3.3V
IC8454
+3.3V +2.5V
EEPROM
+1.67V
64kbit
TS
US_TS
CN9201
AUDCLK
DACCK
27MHz
DTV/I2S
DTV/SPDIF
74.175MH
CLK_Gen 54.054MH
X' tal
27MHz
54MHz
33MHz
+3.3V
RESET
IC1901
TUNER_INT,CPLD_INT0/1
CPLD
PM_REQ
P9101
N_SRESET
CBOOTS
+3.3V
IC8451
P9301
FLASH
64Mb
N_SD_RST
N_SD_INT
7 8
74.25MHz
+2.5V
164MHz IC3501
DDR
128Mbit
IC3502
DDR
128Mbit
IC2001
Reset
To CPLD
Reset
to CP
P3301
I2C
P200 0 3
+2.5V
IC8 8 301-4
DDR
25
IC8305
VTT
IC8101
SEINE
Digital AV decode & Main CPU
33MHz
IC8702
SD-card-CTL
TC6384AF1E
P9005 SC8701
4PIN SD-CARD
BUS Connector
Illumination
LED
9 10
P20