Skyworth 8M26S User manual

SERVICE MANUAL
8M266CHASSIS
Description:
MODEL.
Engineering Dept:
Artwork By:
Checked By:
Approved By:
Brand Name:
JOB NO.
Date:
Date:
Date:
SERVICE MANUAL 8M26S
2011-8-10
SKYWORTH
SIZE:A5
Design and specifications are subject to change without prior notice.
(Only Referrence)

Content--------------------------------------------------------------2
11-17
18
19-20
21-28
29-45
46-49
50-57

LED 8M26S

TOSHIBA CODE
Component
NTSC-M PAL-M PAL-N
VHF LOW 2~B
VHF HIGH C~W+11
VHF W+12~69
55.25MHz ~ 127.25MHz
133.25MHz ~ 311.25MHz
367MHz ~ 801.25MHz

40
55
80
For 22” LED
For 24” LED
For 32” LED

(24 inches is 3W)
(24 inches is 4 ohm)

40
40
3
2
1
4.2
50
0.5
80
40
3
12000
(26inches
is
8
ohm)

40
YES
8
6
46
46
NO
NO
Standard
Spanish
Standard
20

4
2
4
0 40 7 0
0 40 7 0
0 40
40 85
-Y0 50
30000

5 5
4
4
3
3
2
2
1 1
DD CC
BB
A A
LVDS OUT
U10
MST6E181VS
PS331TQFP64G
YPbPr AV2 INHDMI 1 VGA PC
EARPHONE
AV OUT S/PDIP
U7 U1
SPEAKER
U19
2P3P1P
TU2
U42
FLASH
U29
M13S2561616A-5TG2K ESMT
SCL
TUNER
P7
SDA
BH3544F-E2 TPA3113D2/
AUDIO
HDMI 2
P6 P13
P12
CON10
TPA1517NE
CON6 MEDIA 1
MEDIA 2
AV1 IN CON11

IC Block Diagram
-11-
-
U20 U23 U31（3.3V/1A 3-TERMINAL POSITIVE VOL TAGEREGULATOR）LD1117-3.3 SOT-223
8᧤9$/2:'523287/,1($5$55(*8/$725᧥/'$'-72
Thermal
Protection +
-
For Adjustable Output, disconnect A1 and A2, connect B
INPUT
OUTPUT
ADJ/
GND
A1 A2
B
For Fixed Output, connect A1 and A2, disconnect B 1
2
3

U28˄1A 3.3V SOT-223˅AS1117L-ADJ
U6 ˄(1MHZ,800MA SYNCHRONOUS STEP-DOWN CONVERTER˅MP2105DJ TSOT23-5
-12-

IC Block Diagram
-13-
U10(LCDTV CONTROLLER WITH VIDEO ECODE)MST6E181VS
PIN DIAGRAM (MST6E181VS)
MST6E181VS
198
199
217
2 1
216
215
214
213
212
211
210
209
208
207
206
205
204
203
202
201
200
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
163
162 161
160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134
133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52 51 50 49 48 47 46 45
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30
29
28
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3
DM_P1
DP_P1
E-pad
CEC IRIN
GPIO9/PM6/CS1
GPIO8/PM5/RX
GPIO7/PM4/POWER_ON
GPIO6/PM1/TX
DDCA_DA
DDCA_CK
GPIO10/PMGPIO
GPIO13/SAR2
GPIO12/SAR1
GPIO11/SAR0
SPI_CZ
SPI_DO
SPI_DI
SPI_CK
GND_EFUSE
DVDD_NODIE
AVDD_NODIE
DP_P0
DM_P0
TESTPIN
DDCR_CK
VDDP_3
DDCR_DA
VDDC
A_DDR1_A4
A_DDR1_A5
A_DDR1_A6
A_DDR1_A7
A_DDR1_A8
AVDDIO_2.5V
A_DDR1_A9
A_DDR1_A11
A_DDR1_A12
A_DDR1_CKE
NC
A_DDR1_MCLK
AVDDIO_2.5V
A_DDR1_MCLKZ
A_DDR1_DQ15
AVDDIO_2.5V
A_DDR1_DQ14
A_MVREF
A_DDR1_DQ13
A_DDR1_DQ12
A_DDR1_DQ11
A_DDR1_DQ10
AVDDIO_2.5V
A_DDR1_DQ9
A_DDR1_DQ8
UDQS0
UDQM0
AVDD_PLL
DVDD_DDR_1.2V
LDQM0
LDQS0
AVDDIO_2.5V
NC NC
A_DDR1_DQ7 A_DDR1_DQ6 A_DDR1_DQ5
AVDDIO_2.5V
A_DDR1_DQ4 A_DDR1_DQ3 A_DDR1_DQ2 A_DDR1_DQ1
AVDDIO_2.5V
A_DDR1_DQ0
A_DDR1_WEZ
A_DDR1_CAS A_DDR1_RAS
A_DDR1_BA0
AVDDIO_2.5V
A_DDR1_BA1 A_DDR1_A10
A_DDR1_A0 A_DDR1_A1 A_DDR1_A2 A_DDR1_A3
NC NC
VDDC
GPIO21/PWM1 GPIO20/PWM0
VDDP_2
GPIO77/I2S_OUT_MUTE/PWM3/LVSYNC
GPIO76/I2S_IN_BCK/PWM2/LHSYNC
GPIO75/I2S_IN_SD/PWM5/TX3/LDE
GPIO74/I2S_IN_WS/PWM4/RX3/LCK
AVDD_LPLL
AVDD2P5_MOD
VDDC
R_ODD7/RXO0-
R_ODD6/RXO0+
R_ODD5/RXO1-
R_ODD4/RXO1+
R_ODD3/RXO2-
R_ODD2/RXO2+
R_ODD1/RXOC-
R_ODD0/RXOC+
G_ODD7/RXO3-
G_ODD6/RXO3+
G_ODD5/RXO4-
G_ODD4/RXO4+
G_ODD3/RXE0-
G_ODD2/RXE0+
AVDD2P5_MOD
G_ODD1/RXE1-
G_ODD0/RXE1+
B_ODD7/RXE2-
B_ODD6/RXE2+
B_ODD5/RXEC-
B_ODD4/RXEC+
B_ODD3/RXE3-
B_ODD2/RXE3+
B_ODD1/RXE4-
B_ODD0/RXE4+
NC
GPIO49
GPIO47
GPIO45
GPIO38
GPIO37
GPIO36
GPIO32/I2S_OUT_BCK
GPIO30/I2S_OUT_MCK
GPIO28
VDDP_1
VDDC
GPIO27/SPDIF_OUT
GPIO26/SPDIF_IN/RX1/PWM3
GPIO25/TUNER_SDA
GPIO24/TUNER_SCL
GPIO23/I2S_OUT_SD/TX2
GPIO22/I2S_OUT_WS/RX2
TAGC
SIFM
SIFP
AVDD25_PGA
VIFP
VIFM
AVSS_PGA
AVDD25_REF
AVDD_DMPLL
XTAL_OUT
XTAL_IN
NC
NC
NC
LINEOUT_R0
LINEOUT_L0
LINEOUT_R3
LINEOUT_L3
AVDD_AU33
LINEIN_R5
LINEIN_L5
LINEIN_R4
LINEIN_L4
LINEIN_R3
LINEIN_L3
AVDD_AU25 VAG VRP VRM LINEIN_R1 LINEIN_L1 LINEIN_R0 LINEIN_L0
CVBS_OUT1 VCOM CVBS0 CVBS1 CVBS2 CVBS3 CVBS4 AVDD3P3_ADC RIN1P GIN1M GIN1P SOGIN1 BIN1P AVDD2P5_ADC AVDD1P2
VSYNC0 RIN0P GIN0M GIN0P SOGIN0 BIN0P HSYNC0 VDDC NC NC
NC NC NC NC NC ARC DDCDA_CK RX2P RX2N DDCDA_DA RX1P RX1N
AVDD_DVI_3.3V RX0P RX0N RXCP RXCN HOTPLUGA RESET
U?

IC Block Diagram
-14-
U29 （4MX16BIT BANKS DDR）M13S2561616A-5TG2K

IC Block Diagram
-15-
8᧤0%,7&0266(5,$/)/$6+᧥623
Address
Generator
MemoryArray
Page Buffer
Y-D ecoder
Data
Register
SRAM
B uffer
SI/SIO0
S CLK Clock G enerator
S tate
Machine
M ode
Logic
Sense
Am plifier
HV
Generator
Output
B uffer
SO /SIO1
CS#,
WP#,
HOLD#

IC Block Diagram
-16-
U19(HDMI SWITCH) PS331TQFP64G
SiI9185 Pin Mapping
POW2
HPD2
SDA2
SCL2
GND
B21 A21
VCC
B22 A22
GND
B23 A23
VCC
B24 A24
POW1
HPD1
HPD_SINK SDA_SINK SCL_SINK
NC
Z1
Y1
Z2
Y2 Z3 Y3
VCC
Z4 Y4
GND
I2C_ADDR SCL_CTL SDA_CTL
A34
B34
VCC
A33
B33
A32
B32
A31
B31
GND
SCL3
SDA3
HPD3
POW3
CEXT I2C_RST
SDA1
SCL1
B11
A11
B12
A12
B13
A13
B14
A14
REXT
POWDN
12 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20
50
49
48 47 46 45 44 43 42 41
60
59
58
57
56
55
54
53
52
51
21
22
23
24
25
26
27
28
29
30
31
32
3334353637383940
64
63
62
61
POW_SINK
PS331

U1(DUAL BTL CLASS D AUDIO AMPLIFIER) TPA3113D2
IC Block Diagram
-17-
1
2
3
4
5
6
7
8
9
10
28
27
26
25
24
23
22
21
20
19
SD
FAULT
LINP
LINN
GAIN0
GAIN1
AVCC
AGND
GVDD
PLIMIT
PVCCL
PVCCL
BSPL
OUTPL
PGND
OUTNL
BSNL
BSNR
OUTNR
PGND
RINN
RINP
NC
11
12
13
14
18
17
16
15
OUTPR
BSPR
PVCCR
PVCCR
PBTL

-18-

-19-
Main PCB Top/Bottom Layer

Main PCB Top/Bottom Layer
-20-