Sharp LC-26GA5F Service Manual page 53

BLOCK DIAGRAMS
Detailed Mother Unit Block Diagram 1/2
I
5 4
Q1809
+3,3V STBY
(TO VCT BLOCK) STBY
H
(TO VCT BLOCK) IC 1001
+5V
FRV
(TO VCT)
VGAV
(TO VCT) FRH
VGAH
G
+3,3V
IC2801
SCL
PLUG & PLAY
SDA
NVM
VGAV
D1804
VGAH
VGA R
F VGA G
SCART 3
VGA B
SC2801
VGA INPUT
(TO CPLG) VGA
(TO VCT BLOCK) Q1802 OUT VB-A
(TO VCT BLOCK)
Q1803 OUT VG-A
(TO VCT BLOCK) Q1804 OUT VR-A
E P4301
1 SPL2
SPL1
2
3 SPR2
4 SPR1
D
TUNER BLOCK
TV IF 11
FM IF 10
C
V_TUNNING 9 +33V
N.C. 8
7 +5V
N.C. 6
SDA 5
SCL 4
ADDLES.SELECT 3
N.C. 2
AGC 1
B
TV FM
RADIO
A
1 2 3
3 2 1
P2201
SIG
BUS
PORTA 5
PORTA 4
P12, P21
OFL 2
PORTA 6
RAIN
GAIN
+3,3Vs
BAIN
IC 2205
BU4053 ANALOG
12 V
INPUT
V
IC 2206
13 VSYNC
74LCx32
2
H H
OR GATE
1 HSYNC
R.G.B.
IC1801
+5V
PI 5V3 30W
IC1802
TC7502U
4 1
MULT
+5V
OUT VR
OUT VG
OUT VB
J402
2
3
4
5
1
7
8
6
Q1204 SF1201
(IF+)
(IF-)
+5V
Q1201
32.4MHz
ON/OFF
4 5
(SFI)
Q1202-Q1203
C1439
10.7MHz
1
2 X1201
43.1MHz
3
IC1201
C1213 IF
MIXER
(SDA)
(SCL)
(TAGC)
4 5
6
PIXEL BLOCK
SCL, SDA
PORTA 1
IC 2201
PORTA 0
PW1306-10 QL
RH-IXB062WJ
RESET_N
Video Image Processor
ADDRESS 0-13
MCU
DATA 0-15
Sync
ADC & Display/
Scaler
AVPort Memory
Routing
PLL Output
OSD DEB 0-7, DEG 0-7, DER 0-7
DOB 0-7, DOG 0-7, DOR 0-7
VIDEO IMAGE PROCESSOR
DHS, DVS, DEN, DCLK
STANDARD AND HIGH DEFINITION VIDEO FORMATS
IC2211
FB2210
+1,8Vs
+3,3Vs
+3,3V
+3,3Vs
IC2203 IC1803
YUV
TC7508U
PI 5V3 30W
1 4
MULT
+5V
AUDIO BLOCK
IC1301
MUTE
(SMUTE)
TA2024
CLASS-T
Digital Audio
+12VS
Amplifier
+5V
IC 1351
BUFFER
IC1402
+8V
C1422
C1440 C1423
+5V
Q1404
Q1410
Q1013
Q1403 +5V
Q1406
Q1012
3,3V STBY
Q1408
7 8 9 10
53
MAIN BLOCK DIAGRAM 1/2 - GA5E
SDA
SCL
IC 2202
EEPROM
2K x 8 bits
BR24L16F
SC2201
IC 2210
TA1, TB1, TC1, TD1 TCLK1
FLASH MEMORY
M29W8000DT70N6
TA2, TB2, TC2, TD2 TCLK2
8 Mb
RH-IXA764NJ
V-YUV
IC2207
U-YUV
TLVD823
LVDS
Y-YUV
L-YUV
+3,3Vs
R-YUV
COMPONENTS HD
CPLD BLOCK
C1020
R1008
+3,3V STBY
RESET
+1,8V STBY
(FER-RESET)
YUV IC1006 RESET OUT
MULT
CPLD DATA 0-7
XC2C32 ADDRESS 0,1,19
SCART 3
CLK
IC1010
SERIAL FLASH
+3,3 STBY
OSCILLATOR
IC1008 CE
SST25LF080A SO
3,3V STBY
SERIAL FLASH SI
MEMORY 8Mbit SCK
+3,3V STBY
+8V JTAG
P1004
7 1 5
11 12 13
LC-26GA5E
LC-32GA5E
28/6/05
P2206
P2206SH
1
2
3
4
OSD1
5
OSD 2
6
RXDD
7
TXDD
8
1
33
(TO TUNER BLOCK)
P2205
1
2
3
4
5
6
7
8
9
10
YUV R
(TO VCT BLOCK)
YUV L
(TO VCT BLOCK)
(TO VCT BLOCK)
(TO VCT BLOCK)
(TO VCT BLOCK)
YUV (TO VCT BLOCK)
MULT (TO VCT BLOCK)
SCART 3 (TO VCT BLOCK)
P1001 KEY
OPC
IR
OSD K
OSD D
SWITCH
GND
IR
(TO VCT BLOCK)
(TO VCT BLOCK)
SPL
SPR (TO VCT BLOCK)
OUT L (TO VCT BLOCK)
(TO VCT BLOCK)
OUT R
(TO VCT BLOCK)
(TO VCT BLOCK POW_OFF)
DISPLAY
P1006
1
14 15 16