Akai LTA-20A301 User manual

20”LCD TV SERVICE MANUAL
VERSION:
DESIGNEDBY:
CHECKEDBY:
APPROVED BY:
ShenZhen KXD Multi-Media CO.,LTD

CONTENTS
SPECIFICATION----------------------------------------------------------3-5
REMOTE CONTROLLER-----------------------------------------------6
EXPLODED VIEW DIAGRAM-----------------------------------------7-10
BOLCK DIAGRAM--------------------------------------------------------11
MAIN BOARD CIRCUIT-------------------------------------------------12-21
TUNER CIRCUIT----------------------------------------------------------22
INVERTER CIRCUIT-----------------------------------------------------23
ADAPTER CIRCUIT------------------------------------------------------24
COMPONENT DIAGRAM----------------------------------------------25-32
BILL OF MATERIAL-----------------------------------------------------33-60

KXD 20”LCD TV SPECIFICATION
FEATURES
●POWER SUPPLY:DC 12V/5A(ADAPTER)
ADAPTER POWER SUPPLY:AC 100∽240V 50/60Hz
●MULTI TV SYSTEM:PAL BG/DK/I and SECAM BG/DK/LL’
●MULTI VEDEO SYSTEM:PAL/NTSC/SECAM
●VERSATILE INPUT SOURCES:TV,VIDEO,S-VIDEO,SCART/YCbCr,
PC(ANALOG)
●FULL FUNCTION REMOTE CONTROLLER
●EXCELLENT SOUND EFFECT WITH VOLUME,TRABLE,BASS,
BALANCE, ADJUSTABLE
●SMART SOUND & PICTURE MODE SET:
STANDARD,SPEECH,MUSIC;STANDARD,SOFT,RICH
●ADAPTIVE 2/4 LINE COMB FILTER FOR PAL/NTSC
●VTR FOR WEAK AND DISTORETED SIGNAL FROM VIDEO TAPE
RECORDER
●10 PAGES TELETEXT(OPTION)
●AUTOMATICALLY TURN OFF THE SET WHEN SIGNAL ABSENT LONGER
THAN 10 MINUTES
●256 CHANNELS
●BLUE SCREEN DISPLAY
GENERAL SPECIFICATION:
PART1:TV SET
67Watt（MAX.）
POWER CONSUMPTION ≤3Watt(STBY)
TV RECEIVE SYSTEM PAL D/K I B/G SECAM BG/DK/LL’
VIDEO SYSTEM MULTI PAL/ SECAM/ NTSC
VISION INTERMEDIATE FREQUENCY 38.9MHz,33.95MHz(L’)
5.5 MHz (B/G)
6.0 MHz (I)
INTER-CARRIER FREQUENCY
6.5 MHz (D/K,LL’)
BG/DK/L: 34.47MHz
CHROMA IF FREQUENCY L’: 38.38 MHz
VHF-L 46.25-163.25MHz
VHF-H 158.25-466.25MHz
CHANNELS RECEIVED
UHF 471.25-855.25MHz
TUNING MODE PLL SYSTEM
1 AV IN,1 S-VIDEO IN
AV IN/OUT 21PIN SCART IN

Y/C IN -Y：1.0±0.2VP-P 75Ω
C:0.7 VP-P 75Ω
VIDEO IN----1.0 ±0.2VP-P 75Ω
AUDIO IN----Approx,500mV
VIDEO OUT----1.0±0.2 VP-P 75Ω
AUDIO OUT----Approx,400mV
AV IN/OUT SPECIFICATION
RGB IN ---------0.7 VP-P
0.7 VP-P (analog RGB signal)
PC INPUT 2.4-5V(HSYNC&VSYNC)
ANTENNA INPUT IMPEDANCE 75 OHM
ENGLISH/SPAINISH/ITALIAN
OSD LANGUAGE RUSSIAN/GERMAN/FRENCH
AUDIO OUTPUT POWER > 3W (1KHz, 0.5Vrms, 10%THD)
GREEN POWER ON
RED POWER OFF
LED INDICATORS
ORANGE SLEEP(PC)
HAND SET POWER SUPLY BATTERY 1.5V （AAA）x2
PART2:PANEL
Brand & Model AU / A201SN01
Resolution 800*600
Displayable Colour 16.7MHz
Surface Hard Coating + Anti-Radiation
Viewing Angle (H/V) 160° (Hor) / 120° (Ver)
Display Response Time 16ms
Contrast Ratio 1:500
Brightness 450nit
Aspect 4:3
Lamp Life 50,000Hrs
Bad Pixel Quality (Bright/Dark/Total) 2 / 3 /5

PART3:PC INPUT RESOLUTION
Recommended resolution is 800*600@60Hz
RESOLUTION V.Freq(Hz) H.Freq(KHz) Band
Width(MHz) Polarity H/V
1 720*400 70 31.47 28.322 -/+
2 640*350 70 31.469 25.175 +/-
3 640*480 60 31.47 25.175 -/-
4 640*480 72 37.86 31.5 -/-
5 640*480 75 37.50 31.5 -/-
6 800*600 56 35.156 36 +/+
7 800*600 60 37.88 40 +/+
8 800*600 75 46.88 49.5 +/+
9 800*600 72 48.08 50 +/+

REMOTE CONTROL DESCRIPTION
DESCRIPTION OF
RM-612
17
14
15
16
13 9
5
8
7
6
10
4
3
12
2
111
18
19
1.POWER:turn on or off the TV
2.NUMBER KEYS
3.VOL+/- :adjust volume
4.CH+/- :change program forward/backward
5.MENU: access main menu
6.BOTONES / : move cursor in main menu
7.BOTONES / : adjust item you selected
8.REVEAL: recall program number, system etc on
the screen
9.Q VIEW: return to the last viewed program
10.SOURCE: select external video source
11. MUTE: mute sound
12.SLEEP: set time to turn off the TV
13.TEXT:display/mix/close teletext signal
14.HOLD: hold/release sub-page
15.SUB PAGE: view sub-page
16.INDEX: view index page directly.
17.4COLOR BOTTONS:
access the corresponding page indicated in the
line of teletext page
18.VTR:rectify distoration signal from
VTR(videotape recorder).
19:AUTO: auto adust the position and size of the
picture in PC mode
DIRECT PROGRAM SELECTION (0-9 BUTTONS)
1.To select one-digit channel:
Press 0-9 digit buttons and wait for 2 seconds. For example,you need
channel 5, please input"5"button and the screen displays "5", the TV set
goes to channel 5 in 3 seconds.
2.To select two-digit channel:
Press two digit buttons in order to input the channel number.For example,
you need channel 10, please input "1" button, followed "0" button and the
set goes to channel 10. Be sure that the second press should be within 2
seconds.
3.To select three-digit channel:
Press three digit buttons in order to input the channel number. For
example, you need channel 110, please input "1" Button firstly, followed
"1" button secondly and followed 0 button thirdly then the set goes to
channel 110. Be sure that the second press should be within 2 seconds.
CH

AC
ADAPTER
+12V IC601
AP1501-50
IC 605
GND
+5V
+3.3V
IC602
IC604
+3.3V
+3.3V
MCU
U101
IC606
+12V
+5V
KEYBOARD
U102
EEPROM
+5V
U701 SAA7118H
VIDEO DECODER
VIDEO
S-VIDEO
SCART/YCbCr
TUNER
IIC2
IIC1
CVBS
U802
SAA5264PS
/M3/0104
TELETEXT
IIC2
+3.3V
+3.3V
IC401
+12V +9V
U401
PT2314
AUDIO PROCESSOR
U402
AMP
+12V
AUDIO FROM AV/S-VIDEO
PC AUDIO
SCART/
YCBCr AUDIO
+3.3v
+3.3v
U301
MV2
LCD DRIVER
PANEL
+5V
U201
74LV14
HSYNC VSYNC
RGB
FROM PC
INVERTER
+12V
ON/OFF
MAIN BOARD
TDA7266D
ANTENNA
BRI-ADJ
ON/OFFON/OFF
ON/OFF
20-LCD TV DIAGRAM
IIC1
TV-AUDIO

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File: E:\work\151720TV\20-MRTTV100.ddb Drawn By:
CLK_VID
DE_VID
HS_VID
VS_VID
Y[0-7]
UV[0-7]
SCL
SDA
TUNER_SCL
TUNER_SDA
AUDIO_TV
CE
HS
VS
BOX
R
G
B
VOUT
EN_TV
7118
VIDEO input
VIDEO input.Sch
MCU_RESET
IRQ
SCL
SDA
DDC_SCL
DDC_SDA
CABLE
MCU_MUTE
EN_TV
TUNER_SDA
TUNER_SCL
SW
CE
STANDBY
mcu
mcu.Sch
RIN+
GIN+
BIN+
PA_VSYNC
PA_HSYNCDDC_SCL
DDC_SDA
CABLE
RIN-
GIN-
BIN-
VGA input
VGA input.Sch
Y[0-7]
UV[0-7]
CLK_VID
DE_VID
HS_VID
VS_VID PA_VSYNC
PA_HSYNC
RIN+
GIN+
BIN+
RIN-
GIN-
BIN-
IRQ
SCL
SDA MCU_RESET
BRI_ADJ
LVDS_PD
INV_EN
RGB_A[0-23]
RGB-B[0-23]
D_HSYNC
DCLK
D_VSYNC
D_DE
7118
LCD_ON
scalar
scalar.Sch
TUNER_SCL
TUNER_SDA
SW
AUDIO_TV
ON/OFF MCU_MUTE
STANDBY
audio
audio.Sch
INV_EN
BRI_ADJ
LCD_ON
LCDVDD
STANDBY
ON/OFF
power
power.Sch
VS
HS
SDA
SCL
B
G
R
BOX
CVBS
VOUT
MCU_RESET
Teletext
Teletext.sch
R
G
B
BOX
HS
VS
SDA
SCL
CVBS
CCD
CCD.Sch
RGB_A[0-23]
D_HSYNC
D_VSYNC
D_DE
DCLK
LVDS_PD
RGB_B[0-23] LCDVDD
output
output.Sch

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Date: 4-Jan-2005 Sheet of
File: E:\work\151720TV\20-MRTTV100.ddb Drawn By:
AV701
RCA
S1 1 S2
2
33 4
4
5
5
P701
S-VIDEO
1
6
2
7
3
8
4
9
5
TV701
DB9
DNC6
1
AI41
2
AGND
3
VSSA4
4
AI42
5
AI4D
6
AI43
7
VDDA4
8
VDDA4A
9
AI44
10
AI31
11
VSSA3
12
AI32
13
AI3D
14
AI33
15
VDDA3
16
VDDA3A
17
AI34
18
AI21
19
VSSA2
20
AI22
21
AI2D
22
AI23
23
VDDA2
24
VDDA2A
25
AI24
26
AI11
27
VSSA1
28
AI12
29
AI1D
30
AI13
31
VDDA1
32
VDDA1A
33
AI14
34
AGNDA
35
AOUT
36
VDDA0
37
VSSA0
38
DNC13
39
DNC14
40
DNC18
41
DNC15
42
EXMCLR
43
CE
44
VDDD1
45
LLC
46
VSSD1
47
LLC2
48
RES
49
VDDD2
50
VSSD2
51
CLKEXT
52
ADP8
53
ADP7
54
ADP6
55
ADP5
56
ADP4
57
ADP3
58
VDDD3
59
ADP2
60
ADP1
61
ADP0
62
VSSD3
63
INT_A
64
VDDD4
65
SCL
66
VSSD4
67
SDA
68
RTS0
69
RTS1
70
RTCO
71
AMCLK
72
VDDD5
73
ASCLK
74
ALRCLK
75
AMXCLK
76
ITRDY
77
DNC0
78
DNC16
79
DNC17
80
DNC19 81
DNC20 82
FSW 83
ICLK 84
IDQ 85
ITRI 86
IGP0 87
VSSD5 88
IGP1 89
IGPV 90
IGPH 91
IPD7 92
IPD6 93
IPD5 94
VDDD6 95
VSSD6 96
IPD4 97
IPD3 98
IPD2 99
IPD1 100
VDDD7 101
IPD0 102
HPD7 103
VSSD7 104
HPD6 105
VDDD8 106
HPD5 107
VSSD8 108
HPD4 109
HPD3 110
HPD2 111
HPD1 112
HPD0 113
VDDD9 114
DNC1 115
DNC2 116
DNC7 117
DNC8 118
DNC11 119
DNC12 120
DNC21 121 DNC22 122
DNC3 123 DNC4 124 DNC5 125
XTRI 126
XPD7 127 XPD6 128
VSSD9 129
XPD5 130 XPD4 131
VDDD10 132
VSSD10 133
XPD3 134 XPD2 135
VDDD11 136
VSSD11 137
XPD1 138 XPD0 139
XRV 140 XRH 141
VDDD12 142
XCLK 143
XDQ 144
VSSD12 145
XRDY 146
TRST 147
TCK 148
TMS 149
TDO 150
VDDD13 151
TDI 152
VSSD13 153
VSS(xtal) 154
XTALI 155
XTALO 156
VDD(xtal) 157
XTOUT 158
DNC9 159
DNC10 160
U701
SAA7118
VGND
DGND
X701
24.576M
C732
39p C733 39p L704
10uH
C734
1n
R709
56
R70118 C717 47n
C
VGND
R730
4K7
L7012.2u
3V3_D
C729
104
C13
104
C14
104
R732
100
R731
100
R726 22 CLK_VID
DE_VID
HS_VID
VS_VID
R723 33
R724 33
R725 33
Y[0-7]
UV[0-7]
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
UV0
UV1
UV2
UV3
UV4
UV5
UV6
UV7
C701
331 C703 331
R710
3.9K
R702
4.7K C718 47n
R711
56
R70318 C719 47n
C705
331 C708 331
R712
56
R70418 C720 47n
C706
331 C709 331
R713
56
R70518 C721 47n
C707
331 C710 331
R714
56
R70618 C722 47n
C711
331 C714 331
R715
56
R70718 C723 47n
C712
331 C715 331
R716
75
R708 0
C713
NC C716 NC
SCART_R
SCART_G
SCART_B
C725 47n
C726 47n
C727
47n
C728
47n
SCL SDA
TV_VIDEO
TUNER_SCL
TUNER_SDA
AUDIO_TV VIDEO
VGND
VGND
+5V2
3V3_A
R720 10K
R719
10K
CE
DISABLE SAA7118 IN
PC MODE
HS
VS
R733
33 R718
33
VGND
Y
Cb
Cr
BOXR
G
B
1 2 3 4 5 6 7 8 9
10
CN701
CON10
SCART_B SCART_G SCART_R BLANKING VIN
BLANKING
Q701
9014 R722 10K
R721
10K
R729
470
R728
47
+9V
R727 47
TV_VIDEO
VIN1
VOUT
VOUT
EN_TV
1
122
FB701
120@100M
1
122
FB703
120@100M
1
122
FB704
120@100M
1
122
FB705
120@100M
1
122
FB706
120@100M
1
122
FB707
120@100M
1
122
FB708
NC
V656_5
V656_6
V656_3 V656_7
V656_4
V656_1
V656_HS
V656_2
V656_0
V656_CLK
V656_VS
1
2
3
4 5
6
7
8
RP701
NC
1
2
3
4 5
6
7
8
RP702
NC
R717
NC
1
2
3
4
5
6
7
8
9
10
11
12
CN702
NC
V656_5
V656_6
V656_7
V656_4
V656_3
V656_1
V656_2
V656_0
V656_CLK
V656_HS
V656_VS
C736
NC
C737 NC
C15
104
C16
104
C17
104
C18
104
C19
104
C20
104
C21
104
C22
104
C23
104
C24
104
C25
104
3V3_D
C26
104
C27
104
C28
104
C29
104
C30
104
3V3_A
C31
104
C32
104
C33
104
C34
104
3V3_A
BOX1
R736
NC
Y
C
R737 33 7118
BOX1
C738
NC
R739
1K
R746
10K
1
122
FB702
120@100M
1
122
FB709
120@100M
R744
18
R745
NC
C742
47n
VIN VIN1
C743 47n
C744 47n
C745 47n
C746 47n
C747 47n
C748 47n
C730
330P C731 680P C735 330P
L702
2.2uH
L703
2.2uH
TV_VIDEO VIDEO
L705
2.2u L706
2.2u
IF
SW
Q104
9014
BLANK
R139
10K
R1384K7
+5V
BLANK
+
C739
100uF/16V
+
C741
100uF/16V

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INT2
1
P1.0
2
P1.1
3
P1.2
4
P1.3
5
P1.4
6
P1.5
7
P1.6
8
P1.7
9
RESET
10
RXD 11
INT3
12
TXD 13
INT0
14
INT1
15
T0
16
T1
17
/WR 18
/RD 19
X2
20
X1
21
VSS
22
P4.1
23
P2.0 24
P2.1 25
P2.6 26
P2.3 27
P2.4 28
P2.5 29
P2.6 30
P2.7 31
PSEN 32
ALE/P 33
P4.0
34
/EA[VP]
35
P0.7 36
P0.6 37
P0.5 38
P0.4 39
P0.3 40
P0.2 41
P0.1 42
P0.0 43
VCC 44
U101
8051
R106
1M
X101
12MHz
C107
22pF
C108
22pF
MCU_RESET
IRQ
V-
V+
DOWN
UP
MENU
POWER
VSS
4
A0
1
A1
2
A2
3
WP
7
SCL 6
SDA 5
VCC 8
U102
24C16
C113
0.1uF R124 33
R127 33
R125
33 R126 33
R115
4K7 R116 4K7
SCL
SDA
DDC_SCL
DDC_SDA
CABLE
ORANGE
GREEN
R110
4K7
R112
4K7
+5V
R104
4K7
C111
0.1uF
Q103
9014
R119
2K7
Q102
9014
R120
100 R121 100
+5V
R122
1K
R123
1K
ORANGE
GREEN
LEDO
LEDG
1 2 3 4 5
6 7 8
RP101
4K7*4
POWER
MENU
UP
DOWN
+5V
C115
0.1uF
C116
0.1uF
C117
0.1uF
C118
0.1uF
C119
0.1uF
C120
0.1uF
1
2
3
4
5
6
CN102
CON6
+5V
SCL
SDA
DDC_SCL
DDC_SDA
DDC_SCL
DDC_SDA
SCL
SDA
GMCU
GMCU
GMCU
GMCU
GMCU
GMCU
GMCU
GMCU
V+
V-
LEDO
LEDG
C112
0.1uF
C114
0.1uF
C105
1uF
C106
1uF
R108
4K7
+C110
22uF/16V
R105
5.1K
+5V
GMCU
Q101
9015
R103
10K
C104
1uF
R101
100K
+
C101
10uF
MCU_MUTE
R107
4K7
EN_TV
R117
4K7 R118 4K7
R130
2K7
R128 33
R129 33
R102
100K C109
22pF
GMCU
+5V
REMOUT
REMOUT
+5V
TUNER_SDA
TUNER_SCL
R109
4K7
R111
4K7
11
22
33
44
55
66
77
88
99
10 10
11 11
CN101
CON11
SW
D101
IN4148
SW1
R113 0
+5V
+5V
R132
1K
R131 47
R133 4K7
R134 33
R135 33
R136 33
R137 33
STANDBY
R140
10K
R14115K

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R214
75
C210
331
R217
90
C214
10n
RIN+
C203
0.1uF
VADCA1
R215
75
C211
331
R218
90
C215 10N GIN+
C204
0.1uF
VADCA1
R216
75
C212
331
R219
90
C216
10n
BIN+
C205
0.1uF
VADCA1
VGA_VSYNC
C201 0.1uF
C202 0.1UF
R205
2.2K
R206
2.2K
R207
NC
R208
NC
C206
100pF
C207
100pF
R209
47
R210
47
C208
100PF
C209
100PF
PA_VSYNC
PA_HSYNC
VGA_HSYNC
R227 100
R226 100
DDC_SCL1
DDC_SDA1
1
2
3
45
6
7
8NC
NC
NC
VSSSDA
SCL
VCLK
VCC
U202
24LC21
VGA_VSYNC
+5V1
R223
3K3
R224
3K3
R225
3K3
R211 47
R212 47
R213 47
C221
47pF
C222
47pF
C223
47pF
C220
47pF
+5V1
DDC_SCL
DDC_SDA
R
G
B
1A
1
1Y
2
2A
3
2Y
4
3A
5
3Y
6
GND
74A 8
4Y 9
5A 10
5Y 11
6A 12
6Y 13
VCC 14
U201
74LV14
AGND
AGND
AGND
11 2
2FB201
120@100M
11 2
2FB202
120@100M
11 2
2FB203
120@100M
11 2
2FB205
120@100M
11 2
2FB204
120@100M
11 2
2FB206
120@100M
R203
47
R204
47
AGND
AGND
AGND
DGND
Z201
6V2
VGA_HSYNC
VGA_VSYNC
DDC_SDA1
DDC_SCL1
R
G
B
CABLE
C217
10n
C218 10n
C219
10n
R220
90
R221
90
R222
90
RIN-
GIN-
BIN-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN201
DB15
D208
IN4148
D209
IN4148
PIN7
PIN7
V33
VADCA VADCA1
11 2
2FB208
HCB3216K-122T25
1
122
33
D201
DAN217K
1
122
33
D202
DAN217K
1
122
33
D203
DAN217K
1
122
33
D204
DAN217K
1
122
3
3
D205
DAN217K
11 2
2
33
D206 DAN217K
11 2
2
3
3
D207 DAN217K
V33
11 2
2FB207
HCB3216K-122T25
AGND

1 2 3 4
A
B
C
D
4
321
D
C
B
A
Title
Number RevisionSize
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Date: 4-Jan-2005 Sheet of
File: E:\work\151720TV\20-MRTTV100.ddb Drawn By:
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y[0-7]
UV[0-7]
UV0
UV1
UV2
UV3
UV4
UV5
UV6
UV7
CLK_VID
DE_VID
HS_VID
VS_VID
PA_VSYNC
PA_HSYNC
VADCP
VADCP
R309
1K5 IC301
TL431
C309
47n
C308
150p R310
8K2
C304
0.1uF
RIN+
GIN+
BIN+
RIN-
GIN-
BIN-
C313
472
C316
103
C317
103
C314
472
C315
472
V33
C302
104
V33
X301
12M
C318
220 C319 220
IRQ
R306 1K
SCL
SDA
R302 100
R301 33
MCU_RESET
C301
104
R308
10K
R307
10K
BRI_ADJ LVDS_PD
INV_EN
RGB_A[0-23]
RGB_A0
RGB_A1
RGB_A2
RGB_A3
RGB_A4
RGB_A5
RGB_A6
RGB_A7
RGB_A8
RGB_A9
RGB_A10
RGB_A11
RGB_A12
RGB_A13
RGB_A14
RGB_A15
RGB_A16
RGB_A17
RGB_A18
RGB_A19
RGB_A20
RGB_A21
RGB_A22
RGB_A23
RGB_B0 RGB_B1 RGB_B2 RGB_B3 RGB_B4 RGB_B5 RGB_B6 RGB_B7 RGB_B8 RGB_B9 RGB_B10 RGB_B11 RGB_B12 RGB_B13 RGB_B14 RGB_B15
RGB-B[0-23]
RGB_B16 RGB_B17 RGB_B18 RGB_B19
RGB_B20 RGB_B21 RGB_B22 RGB_B23
DGND
R321
1M
1
122
FB302
HCB3216K-122T25
CAP_HREF
1
CAP_HSYNC
2
CAP_VSYNC
3
BLU_INB_0/Y0
4
BLU_INB_1/Y1
5
BLU_INB_2/Y2
6
BLU_INB_3/Y3
7
BLU_INB_4/Y4
8
BLU_INB_5/Y5
9
BLU_INB_6/Y6
10
BLU_INB_7/Y7
11
GRN_INB_0
12
GRN_INB_1
13
GRN_INB_2
14
GRN_INB_3
15
GRN_INB_4
16
GRN_INB_5
17
GRN_INB_6
18
GRN_INB_7
19
RED_INB_0/UV0
20
RED_INB_1/UV1
21
RED_INB_2/UV2
22
RED_INB_3/UV3
23
RED_INB_4/UV4
24
RED_INB_5/UV5
25
RED_INB_6/UV6
26
RED_INB_7/UV7
27
DVDD
28
DVSS
29
DTEST
30
VGA_VSYNC
31
VGA_HSYNC
32
VCCD
33
DGND
34
SOGIN
35
VCCA
36
AGND
37
VREF
38
CP
39
CZ
40
VCCAB
41
RESERVED
42
BIN+
43
BIN-
44
GNDAB
45
BCLP
46
VTOP
47
VBOT
48
VCCAG
49
RESERVED
50
GIN+
51
GIN-
52
GNDAG
53
GCLP
54
TOVTP
55
TOVTM
56
VCCAR
57
RESERVED
58
RIN+
59
RIN-
60
GNDAR
61
RCLP
62
ADVDD
63
ADVSS
64
GPIO2/<OSD_FSW>
65
GPIO1/<OSD_CLK>
66
GPIO0/<OSD_R>
67
STH1/<OSD_G>
68
STH8/<OSD_B>
69
LP/<OSD_1>
70
DCVDD
71
SHC/<RESERVED>
72
XTAL
73
XTAL1
74
DISBVSS
75
RLS/<DISP_DE>
76
POL<DISP_VSYNC>
77
CPH1/<SHCLK>
78
INV1<DISP_HSYNC>
79
DCVSS
80
BLU_OUTA_0 81
BLU_OUTA_1 82
BLU_OUTA_2 83
BLU_OUTA_3 84
BLU_OUTA_4 86
BLU_OUTA_5 87
BLU_OUTA_6 88
BLU_OUTA_7 89
DOBVDD 85
DOBVSS 90
GRN_OUTA_0 91
GRN_OUTA_1 92
GRN_OUTA_2 93
GRN_OUTA_3 94
DOBVDD 95
GRN_OUTA_4 96
GRN_OUTA_5 97
GRN_OUTA_6 98
GRN_OUTA_7 99
DCVSS 100
RED_OUTA_0 101
RED_OUTA_1 102
RED_OUTA_2 103
RED_OUTA_3 104
DCVDD 105
RED_OUTA_4 106
RED_OUTA_5 107
RED_OUTA_6 108
RED_OUTA_7 109
DOBVSS 110
BLU_OUTB_0 111
BLU_OUTB_1 112
BLU_OUTB_2 113
BLU_OUTB_3 114
DOBVDD 115
BLU_OUTB_4 116
BLU_OUTB_5 117
BLU_OUTB_6 118
BLU_OUTB_7 119
DOBVSS 120
GRN_OUTB_0 121 GRN_OUTB_1 122 GRN_OUTB_2 123 GRN_OUTB_3 124
DOBVDD 125
GRN_OUTB_4 126 GRN_OUTB_5 127 GRN_OUTB_6 128 GRN_OUTB_7 129
DOBVSS 130
RED_OUTB_0 131 RED_OUTB_1 132 RED_OUTB_2 133 RED_OUTB_3 134
DOBVDD 135
RED_OUTB_4 136 RED_OUTB_5 137 RED_OUTB_6 138 RED_OUTB_7 139
DCVSS 140
LCD_VBL 141
LCD_VDD 142
INV2/<LCD_VEE> 143
DCVDD 144
PWM1 145 PWM0 146
CPHZ 147
OE1 148
OE2/<CONFIG2> 149 OE3/<CONFIG2> 150
CPU 151
DCVSS 152
STV1/<GPIO0> 153
RST 155 SCL 156
SDA 157
SCS# 158
IRQ# 159
TVCLK 160
STV3/<GPIO1> 154
U301
Mascot VP
11 2
2FB301
HCB3216K-122T25
VADCA
C307
1uF
C303
0.1uF
R311
22
R312
22
R313
22
C320
20pF
D_HSYNC
DCLK
D_VSYNC
D_DE
DGND
R304 510
R305 510
R303
510
1 2 3 4 5
6 7 8
RP1
33*4
1 2 3 4 5
6 7 8
RP2
33*4
1 2 3 4 5
6 7 8
RP3
33*4
1 2 3 4 5
6 7 8
RP4
33*4
1 2 3 4 5
6 7 8
RP5
33*4
1 2 3 4 5
6 7 8
RP6
33*4
1
2
3
4 5
6
7
8
RP7
33*4
1
2
3
4 5
6
7
8
RP8
33*4
1
2
3
4 5
6
7
8
RP9
33*4
1
2
3
4 5
6
7
8
RP10
33*4
1
2
3
4 5
6
7
8
RP11
33*4
1
2
3
4 5
6
7
8
RP12
33*4
R316 NP
XIN
1
XOUT
2
FS1
3
LF
4VSS 5
MOUT 6
RS0 7
VDD 8
IC302
P2781A(NP)
C312
NP
C310
NP C311 NP
R318
0
R315 NP
R314
NP
L1
L2
L3 V33
R319 0
R3200L1 L2
L3
+C305
10uF/16V
DGND
DGND
DGND
C1
104
C2
104
C3
104
C4
104
C5
104
C6
104
C7
104
C8
104
C9
104
C10
104
C11
104
C12 104
V33 VADCA
DGND
1
2
3
4 5
6
7
8
RP13
33*4
1
2
3
4 5
6
7
8
RP14
33*4
1
2
3
4 5
6
7
8
RP15
33*4
1
2
3
4 5
6
7
8
RP16
33*4
C321
NC C322 NC
C306
105
C323
104
7118
+
C324
10uF/16V
R322
22
C325
20pF
C326
20pF
C327
20pF
R323
33
LCD_ON
35

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Number RevisionSize
B
Date: 4-Jan-2005 Sheet of
File: E:\work\151720TV\20-MRTTV100.ddb Drawn By:
VDD
1
AGND
2
TREB_L
3
TREB-R
4
RIN
5
ROUT
6
LOUD-R
7
RIN4
8
RIN3
9
RIN2
10
RIN1
11
LOUD_L
12
LIN4
13
LIN3
14 LIN2 15
LIN1 16
LIN 17
LOUT 18
BIN_L 19
BOUT_L 20
BIN_R 21
BOUT_R 22
OUT_R 23
OUT_L 24
DGND 25
DATA 26
CLK 27
REF 28
U401
PT2314
X1
Y
2
AV_L401
AV_R401
A1
B2
C3
P401
PC_AUDIO
+
C401
47uF/16V
C403
0.1
C418
CAP
+
C415
100uF/16V
+12V1
R401 47
R411 10K
+
C408 1u/50V
R402 47
R412 10K
+
C411 1u/50V
R403 47
R410 10K
+
C410 1u/50V
R404 47
R415 10K
+
C409 1u/50V
+C412
10u/16V
R407 47
R416 10K
+
C413 1u/50V
R408 47
R418 10K
+
C414 1u/50V
+
C428 2.2uF/50V
C420
2n7
C421
2n7
C422
100n
+
C429 2.2uF/16V C424
100n
C425
100n
R420
5K6 R421 5K6
C426
100n
C427
100n
+C419
22uF/16V
R422 100
R423 100
TUNER_SCL
TUNER_SDA
GMCU
+
C430 1uF/16V
+
C431 1uF/16VLEFT
RIGHT
R413
10K
R417
10K
C423
100n
1
122
FB401
120@100M
1
122
FB402
120@100M
1
122
FB403
120@100M
1
122
FB404
120@100M
+9V
YUV_L
YUV_R
1
2
3
4
5
6
CN401
CON6
SGND
SCART_L
SCART_RR
SGND
AUDIO_TV1
Q402
9014
R414
10K R424 1K
R405
47
+9V
+C432
10uF/16V
R406
100
VGND
AUDIO_TV
SCART_L
SCART_RR
AUDIO_TV
1
122
FB405
120@100M
1
122
FB406
120@100M
C404
0.1
C405
NC
C406
NC
Q401
9014
+
C437
10u/16V
R431
4K7
R430
10K
AUDIO_TV
R432
10K
1
122
FB407
120@100M
C438
10uF/16V
AUDIO_TV1
D404
IN4148
R433
4.7K
Q403
9015
R435
4.7K
R434
2.7K
Q404
9014
+12V1
+C435
100uF/16V
Q405
9015
Z402
9V2
R437
390
ON/OFF 1
2
3
4
5
6
7
8
CN404
CON8
LL
LR
LR
LL
AUDIO_TV
SCL1
SDA1
SCL1
SDA1
+9V
IF
1
2
CN402
CON2
1
2
CN403
CON2
+12V1
+C417
470uF/16V
C407
0.1
LEFT RIGHT
GND
1
OUT1+
2
NC
3
NC
4
OUT1-
5
VCC
6
IN1
7
MUTE
8
STBY
9
GND
10 GND 11
NC 12
SGND 13
IN2- 14
VCC 15
OUT2- 16
NC 17
NC 18
OUT2+ 19
GND 20
U402
TDA7266D
MUTE
STBY
R439 10K
R440 10K
+
C433
1uF/16V
+C434
10uF/16V
MCU_MUTE
MUTE
+5V
STANDBY
IN
GND
OUT
IC401
7809
R443
10K
R442
0
R441
0
1
122
FB408
120@100M
SW1

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B
Date: 4-Jan-2005 Sheet of
File: E:\work\151720TV\20-MRTTV100.ddb Drawn By:
1
2
3
4
5
6
CN601
C602
C602
0.1uF/25V
+
C603
470uF/16V
+
C634
47uF/16V
C639
0.1uF
+
C635
47uF/16V
C640
0.1uF
+
C636
47uF/16V
C642
0.1uF
C641
0.1uF
INV_EN
BRI_ADJ
DGND
VGND
+C608
10uF/16V
C610
0.1uF
R603
1K
R602
2.2K
R601
2K C609
0.1uF
+5V
0.3-1.6V TEST
1
122
FB606
HCB3216K-122T25
1
122
FB607
HCB3216K-122T25
1
122
FB608
HCB3216K-122T25
VIN
1
OUTPUT 2 GND
3FEEDBACK 4
ON/OFF
5
IC601
AP1501/LM2596-5.0 +
C604
470uF/16V
+
C605
470uF/16V
C601
0.1uF/25V
+
C607
10uF/16V
+C637
47uF/16V
IN
3
GND
1
OUT 2
IC603 1084-3.3
D601
IN5822
C606
0.1uF/16V
L601
47uH +12V1
IN
3
GND
1
OUT 2
IC602
1084-3.3
+5V1
C617
0.1uF
+C612
100uF/16V
C618
0.1uF
TO MVP2 DIGITAL POWER
TO LVDS PLL POWER
TO LVDS
+
C611
100uF/16V
+5V1
+
C616
100uF/16V
C625
0.1uF
R604
2K7
LCD_ON
Q602
9014
R605
4K7
1
2
3
4 5
6
7
8
Q603
9435
R606
100K
+
C615
100uF/16V
C643
1uF
LCDVDD
+C631
47uF/16V
C621
0.1uF
+5V1
+C632
47uF/16V
C622
0.1uF
C623
0.1uF
+
C613
100uF/16V
TO MVP2 ANALOG POWER
+
C614
100uF/16V
C624
0.1uF
TO MVP2 PLL POWER
AGND
AGND
PGND
DGND
+5V1
C627
0.1uF
TO 7118 ANALOG POWER
TO 7118 DIGITAL POWER
+
C629
47uF/16V
+
C630
47uF/16V
+
C633
47uF/16V
C619
0.1uF
C620
0.1uF
C626
0.1uF
DGND
DGND
DGND
1
2
3
POWER601
CON3
+5V1
Q601
9014
V33
VDD_LV
VDD_LP
VADCA
VADCP
3V3_A
3V3_D
TO SAA5264
1
122
FB601
HCB3216K-122T25
1
122
FB602
HCB3216K-122T25
1
122
FB603
HCB3216K-122T25
1
122
FB604
HCB3216K-122T25
1
122
FB605
HCB3216K-122T25
+5V
+
C646
100uF/16V
+
C628
100uF/16V
Vin
3
GND
1
Vout 2
TAB 4
IC604
LT1117-3.3
Vin
3
GND
1
Vout 2
TAB 4
IC605
LT1117-3.3
STANDBY R614
4K7
Q604
9014
R613
4K7
+5V
PGND
ON/OFF C648
0.1uF
+
C647
100uF/16V
C650
0.1uF
+
C649
100uF/16V
+12V1
+12V1
IN
GND
OUT
IC606
7805
DON'T CONNECT FB606
IF PANNEL'S SUPPLY
VOLTAGE IS 3.3V.
+5V2
L602
TRANS1
VGND

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B
Date: 4-Jan-2005 Sheet of
File: E:\work\151720TV\20-MRTTV100.ddb Drawn By:
P2.0/PWM
1
P2.1/PWM0
2
P2.2/PWM1
3
P2.3/PWM2
4
P2.4/PWM3
5
P2.5/PWM4
6
SCL(NVRAM)
14
SDA(NVRAM)
15
P2.6/PWM5
7
P2.7/PWM6
8
CVBS1
24
P3.0/ADC0
9
P3.1/ADC1
10
P3.2/ADC2
11
P3.3/ADC3
12
COR
29
P3.4/PWM7
30
P0.2
16
SYNC_FILTER
25
VDDA
31
VDDC
39
VDDP
44
TEST
28
VSSC
13
VSSA
22
VSSP
38
B32
G33
R34
VDS 35
XTALOUT 42
XTALIN 41
OSCGND 40
P1.5 52
P1.4 51
P1.3 48
P1.2 47
P1.1 46
RESET 43
P1.0 45
VSYNC 37
HSYNC 36
FRAME 27
P0.3 17
P0.4 18
P0.5 19
P0.6 20
P0.7 21
CVBS0 23
SDA 50
SCL 49
IREF
26
U802
SAA5264
A0
1A1
2A2
3GND
4
SDA 5
SCL 6
RC 7
VCC 8
U801
PCF8582E
X801
12MHz
C812
22pF
C813
22pF
R814
100
R813
24K
R816 100
R815 100
R821 33
R822 33
C804
0.1uF
C803
0.1uF
C806
0.1uF C807 0.1uF C810 0.1uF C811 0.1uF
C805
0.1uF
+C817
47uF/16V
L801
FB 2A
VS
HS
SDA
SCL
VGND
VGND
VGND
VGND
B
G
R
BOX
R817
150 R818 150 R819 150
VGND
R809 39
R812 39
R811 39
R810 39
R820
150
R807
10K R808 10K
CVBSVOUT
CVBS
C818
NC
C819
NC
3V3_A
3V3_A
CVBS
C815
104
MCU_RESET
C802
1uF

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Date: 4-Jan-2005 Sheet of
File: E:\work\151720TV\20-MRTTV100.ddb Drawn By:
VIDEO
7
HS_IN
5
VS_IN
13
SDA
14
SCL
15
SEN
4
RREF
10
SMS
6
VSS
1
VSSA
11
VDD 12
SDO 16
RED 18
GREEN 2
BLUE 3
BOX 17
CSYNC 8
LPF 9
U901
Z86129
R903 10K
R912
6.8K
R904
8.2K
R907 13K
R906
13K
R905
13K
R908
2.2K
R909
2.2K
R910
2.2K
R911
2.2K
C911
0.1uF
C901
NC
C902
NC
C903
NC
C904
68pF
C912
0.1uF C914 68nF
C913
6.8nF
R
G
B
BOX
+5V2
HS
VS R902 100
R901 100
SDA
SCL
CVBS
1
122
FB901
HCB3216K-122T25
C915
NC C916 NC
+
C910
22uF/16V
R913
4K7
C917
0.1uF
Q901
9014
R914
20K
R915
4.7K
+5V2
SEN
MCU_RESET
SEN
+
C644
47uF/16V
COMMENTS IN THIS PAGE ARE NOT USED.