Toshiba MW26G71 Service Manual page 104

A B
8
FROM/TO ANALOG/DIGITAL CONVERTER
7
ADC_Y0
ADC_Y1
ADC_Y2
ADC_Y3
ADC_Y4
ADC_Y5
ADC_Y6
ADC_Y7
ADC_U[CB]0
ADC_U[CB]1
ADC_U[CB]2
ADC_U[CB]3
ADC_U[CB]4
ADC_U[CB]5
ADC_H-SYNC
ADC_U[CB]6
ADC_V-SYNC
ADC_U[CB]7
ADC_V[CR]0
ADC_CLK
ADC_V[CR]1
6
ADC_V[CR]2
ADC_V[CR]3
ADC_V[CR]4
ADC_V[CR]5
ADC_V[CR]6
ADC_V[CR]7
ADC_CLK
ADC_H-SYNC
ADC_U[CB]0
ADC_V-SYNC
ADC_U[CB]1
ADC_U[CB]2
ADC_U[CB]3
ADC_U[CB]4
FROM/TO DIGITAL COMB
3D_Y/C_656OUT-0
ADC_U[CB]5
3D_Y/C_656OUT-1
5 ADC_U[CB]6
3D_Y/C_656OUT-2
ADC_U[CB]7
3D_Y/C_656OUT-3
ADC_V[CR]0
3D_Y/C_656OUT-4
3D_Y/C_656OUT-5 ADC_V[CR]1
3D_Y/C_656OUT-6
ADC_V[CR]2
3D_Y/C_656OUT-7
ADC_V[CR]3
3D_Y/C_HD-OUT
ADC_V[CR]4
3D_Y/C_VD-OUT
3D_Y/C_656-CLK ADC_V[CR]5
3D_Y/C_ODD/EVE
ADC_V[CR]6
ADC_V[CR]7
ADC_Y0
ADC_Y1
ADC_Y2
ADC_Y3
4
ADC_Y4
ADC_Y5
ADC_Y6
ADC_Y7
SCL
SDA
SOFT_RESET
3
FROM/TO IN/OUT/REGULATOR
DIGITAL
W817
P.CON+1.8V
L3901
ANALOG
DIGITAL
47uH
P.CON+3.3V
ANALOG
2
GND
1
A B
G-35
C
SCALER SCHEMATIC DIAGRAM
208 207 206 205 204 203 202 201 200 199
3.1
1.3
0
W806
1.6
IN_CLK1_PORT1
0
HSYNC2_PORT1
0
VSYNC2_PORT1
0
FIELD ID2_PORT1
C3901 3.2
VDD1 (3.3V)
0.1 B 0 1 HSYNC1_PORT1
VSS
0
IN_CLK2_PORT1
2 VSYNC1_PORT1
0.3
B/Cb/D1_0
0.8
B/Cb/D1_1 3 FIELD ID1_PORT1
3.0
B/Cb/D1_2
0.3 FIELD ID_PORT2
206
B/Cb/D1_3
0.4
B/Cb/D1_4
VSYNC_PORT2
C3902 1.8 207
VDDcore1 (1.8V)
0.1 B 0
VSScore
HSYNC_PORT2
208
0.4
B/Cb/D1_5
0
B/Cb/D1_6
0.3
B/Cb/D1_7
0.4
R/Cr/Cb Cr_0
0.4
R/Cr/Cb Cr_1
3.2
R/Cr/Cb Cr_2
0
R/Cr/Cb Cr_3
0
R/Cr/Cb Cr_4
0
R/Cr/Cb Cr_5
0
R/Cr/Cb Cr_6
0
R/Cr/Cb Cr_7
2.5
G/Y/Y_0
C3903
3.2
VDD2 (3.3V)
0.1 B 0
VSS
3.2
G/Y/Y_1
50 SDRAM DATA(0)
0.4
G/Y/Y_2
1.3
G/Y/Y_3 51 SDRAM DATA(1)
0.5
G/Y/Y_4
C3904
1.8
52 SDRAM DATA(2)
VDDcore2 (1.8V)
0.1 B 0
VSScore
3.0 53 SDRAM DATA(3)
G/Y/Y_5
1.3
G/Y/Y_6
54 SDRAM DATA(4)
0
G/Y/Y_7
0
NC IN_SEL 55
SDRAM DATA(5)
0
TEST
R3903 3.2
56 SDRAM DATA(6)
DEV_ADDR1
C3905
10K 3.2
DEV_ADDR0
R3905 57 SDRAM DATA(7)
47P CH R3904 4.6
SCLK
R3906 470 10K 4.6
SDATA
470 R3907 470 3.4
RESET_N
C3906 C3907 3.2
VDD3 (3.3V)
0.1 B 0
47P CH
VSS
1.3
C3972
1.3
1.2
0.1 B
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
L3907
47uH
W821
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(SCALER PCB)
51 50
X3901
49
C3943
13.5MHz
16V 10 V-S
C3942
R3915
C3948
0.1 B
1M 5%
0.1 B
198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164
154 G/Y/Y_OUT_6
155 G/Y/Y_OUT_7
156 OE
PLL_PVDD (1.8V)
157
158 PLL_PVSS
159 AVSS_PLL_BE1
160 AVDD_PLL_BE1 (1.8V)
IC3901
FLI2301-LF-BD
SCALER
101 SDRAM ADDR(2)
102 SDRAM ADDR(1)
103 SDRAM ADDR(0)
104 SDRAM WEN
105
SDRAM RASN
106 SDRAM CASN
107 SDRAM BA1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
163 162 161 160 159 158 157
W807
0
NC 1.9
NC 1.9
NC 2.2
G/Y/Y_OUT_5
NC 2.4
G/Y/Y_OUT_4
NC 1.9
G/Y/Y_OUT_3
NC 2.0
G/Y/Y_OUT_2
NC 1.5
G/Y/Y_OUT_1
NC 1.4
G/Y/Y_OUT_0
0
VSS
3.2 C3932
(3.3V) VDD8
0.1 B
R/V/Pr_OUT_7 NC 2.1
R/V/Pr_OUT_6 NC 2.0
NC 2.1
R/V/Pr_OUT_5
NC 2.1
R/V/Pr_OUT_4
R/V/Pr_OUT_3 NC 1.9
R/V/Pr_OUT_2 NC 1.9
0
VSScore
1.8 C3931
(1.8V) VDDcore7
0.1 B
R/V/Pr_OUT_1 NC 1.7
R/V/Pr_OUT_0 NC 1.5
B/U/Pb_OUT_7 NC 1.9
B/U/Pb_OUT_6 NC 1.9
B/U/Pb_OUT_5 NC 2.1
B/U/Pb_OUT_4 NC 2.1
B/U/Pb_OUT_3 NC 1.9
B/U/Pb_OUT_2 NC 1.9
0
VSS
3.2 C3930
(3.3V) VDD7
0.1 B
B/U/Pb_OUT_1 NC 1.6
B/U/Pb_OUT_0 NC 1.5
CLKOUT NC 1.6
0
VSScore
1.8 C3929
(1.8V) VDDcore6
0.1 B
CTLOUT4 NC 1.3
CTLOUT3 NC 0
CTLOUT2 NC 3.2
3.1
CTLOUT1
3.1
CTLOUT0
TEST OUT1 NC 0.6
TEST OUT0 NC 0.3
0
TEST3
0.3
SDRAM CLKIN
0
VSS
3.2 C3928
(3.3V) VDD6
1.4 R3908 0.1 B SDRAM_CLK
SDRAM CLKOUT
0 100
SDRAM DQM
NR3912
2.9
SDRAM CSN
4D03WGJ0000T5E
2.7
SDRAM BA0 DQM
2.8
CSN
3.0 BA0
BA1
3.0
NR3913
100 101 102 103 104
4D03WGJ0000T5E
CASN
RASN
WEN
NC NC
F G
H
8
FROM/TO SDRAM
7
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
DATA9
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
DATA16
DATA17
DATA18
6
DATA19
DATA20
DATA21
DATA22
DATA23
DATA24
DATA25
DATA26
DATA27
DATA28
DATA29
DATA30
DATA31
ADDR0
ADDR1
ADDR2
ADDR3
ADDR4
5
ADDR5
ADDR6
ADDR7
ADDR8
ADDR9
ADDR10
BA0
BA1
WEN
CASN
RASN
CSN
DQM
SDRAM_CLK
4
FROM/TO IN/OUT/REGULATOR
ANALOG_V_OUT
ANALOG_Y_OUT
ANALOG_U_OUT
SOFT_RESET
SCL
SDA
3
2
PCBDS0
CED020
1
H
G-36