
2-12(No.YA567<Rev.001>)
(No.YA567<Rev.001>)2-11
MAIN PWB ASS'Y (3/8)
VE-20357300 [LT-26DY8ZG]
VE-20357305 [LT-26DY8ZJ]
17mb22_2_0905_3/10_0.0
3V3_STBY
SC1_AUDIO_R_IN
SC1_AUDIO_L_IN
SC2_AUDIO_R_IN
SC2_AUDIO_L_IN
PL401
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCTP_AIN3R
VCTP_AIN3L
VCTP_AIN4R
VCTP_AIN4L
10V
100n
C445
50V
3u3
C447
VCC_5V
VSUP_5V_SIF
16V
100n
C432
L407
VSUP_8V_AU
16V
100n
C433
L408
VCC_8V
VSUP_1V8_DIG
16V
100n
C435
50R_100MHZ_3A
L406
1V8_STBY
VSUP_1V8_FE
16V
100n
C434
L409
1V8_STBY
VSUP_1V8_LVDS
16V
100n
C444
L411
1V8_STBY
16V
100n
C409
VSUP_3V3_DRI_RAM
3V3_STBY
L404
25V
100n
C416
16V
100n
C441
VSUP_3V3_FL
3V3_STBY
L410
3V3_STBY
16V
100n
C414
L405
VSUP_3V3_IO1
16V
100n
C419
3V3_STBY
16V
100n
C464
L413
VSUP_3V3_IO3
3V3_STBY
16V
100n
C466
L414
VSUP_3V3_VO
3V3_STBY
16V
100n
C412
L402
VSUP_3V3_COM
3V3_STBY
16V
100n
C411
L401
VSUP_3V3_FE
3V3_STBY
16V
100n
C410
L400
VSUP_3V3_DAC
3V3_STBY
16V
100n
C455
L412
VSUP_3V3_DIG
3V3_STBY
16V
100n
C413
L403
VSUP_3V3_LVDS
VSUP_8V_AU
16V
100n
C443
50V
10u
C440
VCTP_AOUT2R
50V
1n
C446
50V
1n
C461
50V
1n
C448
50V
1n
C454
VCTP_AOUT2L
VCTP_AOUT1R
VCTP_AOUT1L
HEADPHONE_R
HEADPHONE_L
AMPLIFIER_R
AMPLIFIER_L
50V
1n
C436
50V
4u7
C418
SUBW
QSS
50V
56p
C456
50V
56p
C462
VSUP_5V_SIF
VSUP_3V3_DIG
SDO
SCK
WS
VSUP_3V3_DRI_RAM
IDTV_ODD
S409
IDTV_HSYNC
S410
VSYNC
HDMI_DEN
HDMI_CLK
HDMI_R7
HDMI_R6
HDMI_R5
HDMI_R4
HDMI_R3
HDMI_R2
HDMI_R1
HDMI_R0
HDMI_G7
HDMI_G6
HDMI_G5
HDMI_G4
HDMI_B0
HDMI_B1
HDMI_B2
HDMI_B3
HDMI_B4
HDMI_B5
HDMI_B6
HDMI_B7
HDMI_G0
HDMI_G1
HDMI_G2
HDMI_G3
VSUP_3V3_DRI_RAM
VSUP_3V3_COM
50V
22p
C473
50V
22p
C475
20.25MHz
X400
M74HC4052
IC405
3
COM_Y_OUT_IN
6
INH
7
VEE
8
GND
9
B
10
A
11
X3
12
X0
13
COM_X_OUT_IN
Y1
Y3
14
X1
15
X2
16
2
5
4
1
VCC
Y2
Y0
HSYNC
IDTV_HSYNC
IDTV_VSYNC
VSYNC
PC_HSYNC
PC_VSYNC
HDMI_VSYNC
HDMI_HSYNC
10V
100n
C492
L415
VCC_5V
VSUP_3V3_FL
VSUP_3V3_COM
VSUP_3V3_COM
5V_COM
IC403
4
3
2
1
VSS
A1
A0
A2
5
SDA
6
SCL
7
WP
8
VCC
VSUP_3V3_COM
16V
100n
C489
VSUP_3V3_COM
STBY_ON_OFF
VSUP_3V3_COM
S436
S442
PDP_GO/BL_ON_OFF
TXCLKOUT-
TXOUT3-
S434
T
S440
TXOUT1-
PL406
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
IRQ_PDP
S447
TXOUT2-
S446
TXOUT0-
S439
S430
S435
DISP_EN
VCC_12V
S448
PARITY
S443
VSUP_3V3_IO1
IR_VCTP
IDTV_VSYNC
74LX1G86STR
IC402
3
2
1
GND
5
4
VCC
1A
1B
1Y
VCC_3V3
IDTV_ODD
25V
100n
C488
16V
100n
C490
1k
R491
PL409
1
2
3
4
5
IR_VCTP
5V_STBY
3V3_STBY
3V3_STBY
5V_STBY
S451
S454
BC848B
Q416
BC848B
Q417
220R
R536
220R
R537
LED2
LED1
S452
S455
S459
S460
TXOUT3-
VSUP_3V3_LVDS
T
TXCLKOUT-
TXOUT2-
VSUP_3V3_LVDS
TXOUT1-
VSUP_3V3_LVDS
TXOUT0-
VSUP_1V8_LVDS
6k2
R476
VSUP_3V3_LVDS
VSUP_3V3_LVDS
VSUP_3V3_IO1
HSYNC
16V
220n
C484
16V
220n
C483
16V
220n
C482
16V
220n
C481
16V
220n
C480
16V
220n
C479
16V
220n
C478
16V
220n
C477
16V
220n
C476
16V
220n
C474
16V
220n
C472
16V
220n
C471
16V
220n
C470
16V
220n
C469
16V
220n
C468
VSUP_1V8_FE
VSUP_3V3_VO
16V
220n
C467
TUNER_CVBS_IN
VCTP_VIN2
SC1_CVBS_IN
VCTP_VIN5
SC1_R
SC1_G
SC1_FB
SC1_B
SC2_R/C
SC2_G
SC2_B
SC2_FB
VSUP_1V8_FE
VSUP_3V3_FE
5V_COM
VSUP_1V8_DIG
VSUP_3V3_IO3
VOUT1
VOUT2
PIP_CVBS_OUT
SC2_PIN8
SC1_PIN8
PL403
1
2
16V
100n
C487
VSUP_3V3_DAC
BACKLIGHT_DIM
3V3_STBY
BC848B
Q400
BC848B
Q403
10R
R413
3V3_STBY
16V
220n
C485
PARITY
UART_TX
UART_RX
SDA_3V3
SCL_3V3
VSUP_3V3_COM
VSUP_3V3_COM
VSUP_3V3_COM
1k8
R471
1k
R472
VSUP_3V3_COM
10V
100n
C486
BC848B
Q405
BC848B
Q406
HDMI1_HOTPLUG
HDMI_MUTE
HDMI_SCDT
VSUP_3V3_COM
VSUP_3V3_COM
1k8
R509
PROTECT_DETECT
10V
100n
C491
VSUP_3V3_COM
HP_DETECT
BC848B
Q412
1k
R513
S449
S453
IC400
208
656O7
207
656CLKO
206
656CLKI
205
656I7
204
656I6
203
656I5
202
656I4
201
656I3
200
656I2
199
656I1
198
656I0
197
VSUP3.3IO3
196
GND3.3IO3
195
VOUT1
194
VOUT2
193
VOUT3
192
VSUP3.3VO
191
VIN1
190
VIN2
189
VIN3
188
VIN5
187
VIN6
186
GNDA3
185
VSUP1.8FE_2
184
VIN7
183
VIN8
182
VIN9
181
VIN11
180
VIN12
179
VIN13
178
VIN15
177
VIN16
176
VIN17
175
VIN18
174
VIN19
173
VIN20
172
VIN21
171
VIN22
170
VSUP3.3FE
169
VSUP1.8FE_1
168
P1_0
167
P1_1
166
P1_2
165
P1_3
164
VSUP3.3DAC
163
GND3.3DAC
162
P1_4
161
P1_5
160
P1_6
159
P1_7
158
LVDSB_0N
157
LVDSB_0P
105
OSDG3
106
OSDG2
107
OSDG1
108
OSDG0
109
OSDR3
110
OSDR2
111
OSDR1
112
OSDR0
113
GND3.3IO1_2
114
VSUP3.3IO1_2
115
PCS5
116
PCS4
117
PCS3
118
PCS2
119
PCS1
120
PCS0
121
PCLK2
122
PCLK1
123
GND1.8DIG
124
VSUP1.8DIG
125
LVDSA_4P
126
LVDSA_4N
127
VSUP3.3LVDS1
128
LVDSA_3P
129
LVDSA_3N
130
GND3.3LVDS1
131
LVDSA_CLKP
132
LVDSA_CLKN
133
VSUP3.3LVDS2
134
LVDSA_2P
135
LVDSA_2N
136
GND3.3LVDS2
137
LVDSA_1P
138
LVDSA_1N
139
VSUP3.3LVDS3
140
LVDSA_0P
141
LVDSA_0N
142
VSUP1.8LVDS
143
REXT
144
GND1.8LVDS
145
LVDSB_3P
146
LVDSB_3N
147
GND3.3LVDS3
148
LVDSB_CLKP
149
LVDSB_CLKN
150
VSUP3.3LVDS4
151
LVDSB_2P
152
LVDSB_2N
153
GND3.3LVDS4
154
LVDSB_1P
155
LVDSB_1N
156
VSUP3.3LVDS5
53
DRI4
54
DRI3
55
DRI2
56
DRI1
57
DRI0
58
DGI7
59
DGI6
60
DGI5
61
DGI4
62
DGI3
63
DGI2
64
DGI1
65
DGI0
66
DBI7
67
DBI6
68
DBI5
69
DBI4
70
DBI3
71
DBI2
72
DBI1
73
DBI0
74
GND3.3DRI
75
VSUP3.3DRI
76
GND3.3COM
77
VSUP3.3COM
78
XTALIN
79
XTALOUT
80
CLKOUT
81
VSO
82
HSO
83
SCL
84
SDA
85
GND3.3FL
86
VSUP3.3FL
87
P2_0
88
P2_1
89
P2_2
90
P2_3
91
P2_4
92
P2_5
93
OSDV
94
OSDH
95
GND3.3IO1_1
96
VSUP3.3IO1_1
97
OSDCLK
98
OSDFSW
99
OSDHCS1
100
OSDHCS0
101
OSDB3
102
OSDB2
103
OSDB1
104
OSDB0
52
DRI5
51
DRI6
50
DRI7
49
DCLK
48
DEN
47
DVS
46
GND3.3RAM
45
VSUP3.3RAM
44
I2S_DEL_WS
43
I2S_DEL_CL
42
I2S_DEL_IN
41
I2S_DEL_OUT
40
I2S_WS
39
I2S_CL
38
I2S_DA_IN
37
SPDIF_OUT
36
VSUP3.3DIG
35
GND3.3DIG
34
GNDA2
33
VSUP5.0
32
SIFIN-
31
SIFIN+
30
VREFSIF
29
SUBWOOFER
28
SPEAKERL
27
SPEAKERR
26
HEADPHONEL
25
HEADPHONER
24
AOUT1L
23
AOUT1R
22
AOUT2L
21
AOUT2R
20
SGND
19
GNDA1
18
VSUP8.OAU
17
VREFAU
16
AIN4L
15
AIN4R
14
AIN3L
13
AIN3R
12
AIN2L
11
AIN2R
10
AIN1L
9
AIN1R
8
RESETQ
7
656O0
6
656O1
5
656O2
4
656O3
3
656O4
2
656O5
1
656O6
IRQ
S416
S427
IR_DMP/DVD
DMP/DVD_SWITCH
PANEL_VCC
SDA_3V3_IC
SCL_3V3_IC
VCC_3V3
VCC_5V
PANEL_VCC
S445
VCC_3V3
VCC_12V
S441
BC848B
Q408
INT
C3V6
D410
AMP_MUTE
VSUP_3V3_COM
PANEL_VCC_ON/OFF
VSUP_3V3_COM
VSUP_3V3_COM
TV_LINK_3V3
RESET_IC
VSUP_3V3_COM
PDP_GO/BL_ON_OFF
IRQ_PDP
DISP_EN
DMP/DVD_SWITCH
VSUP_3V3_COM
VSUP_3V3_COM
VSUP_3V3_COM
VSUP_3V3_COM
VSUP_3V3_COM
VSUP_3V3_COM
S431
5V_STBY
VCC_3V3
BC848B
Q404
PC_VSYNC
BC848B
Q401
3V3_STBY
SDA_5V_IC
SCL_5V_IC
5V_COM
BSN20
Q410
SCL_3V3_IC
100R
R525
BSN20
Q411
SDA_3V3_IC
100R
R526
VCC_3V3
BC848B
Q415
STBY_ON_OFF
S458
AC_INFO
SC3_PIN8
VSUP_3V3_COM
S433
HDMI1_CEC
BC848B
Q418
BC848B
Q414
SYNC_SW1
SYNC_SW2
5V_COM
5V_COM
VSUP_3V3_COM
VSUP_3V3_COM
S444
S456
PIP_CLK
PIP_DATA7
PIP_DATA6
PIP_DATA5
PIP_DATA4
PIP_DATA3
PIP_DATA2
PIP_DATA1
PIP_DATA0
S411
75R
R442
75R
R443
75R
R445
BC848B
Q409
3V3_STBY
VSUP_3V3_COM
S450
VSUP_3V3_LVDS
C5V6
D404
C5V6
D401
C5V6
D403
C5V6
D402
16V
1u
C457
16V
1u
C450
16V
1u
C458
16V
1u
C451
16V
1u
C459
16V
1u
C452
16V
1u
C460
16V
1u
C453
PL402
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C5V6
D406
C5V6
D400
C3V6
D411
C5V6
D408
PL400
1
2
3
4
5
C5V6
D414
C5V6
D413
AMP_MUTE
C5V6
D405
UART_RX
UART_TX
PL411
1
2
3
C5V6
D412
C5V6
D415
C5V6
D416
C5V6
D418
BC848B
Q413
S457
BC848B
Q407
S432
VSUP_3V3_COM
SW_UPDATE_EN
S402
10k
R415
10k
R420
10k
R403
10k
R408
10k
R496
10k
R422
10k
R490
10k
R447
10k
R522
10k
R407
10k
R448
10k
R402
10k
R523
10k
R414
10k
R470
10k
R497
10k
R426
10k
R498
10k
R493
10k
R466
10k
R521
3k3
R449
10k
R486
10k
R506
10k
R502
10k
R503
10k
R514
10k
R461
10k
R507
10k
R494
3k3
R517
10k
R464
3k3
R515
10k
R508
10k
R492
10k
R519
3k3
R452
10k
R456
4k7
R501
4k7
R539
4k7
R485
4k7
R495
4k7
R473
4k7
R504
4k7
R532
4k7
R400
4k7
R527
47k
R533
4k7
R510
47k
R411
4k7
R412
4k7
R529
4k7
R516
10k
R538
4k7
R535
4k7
R534
4k7
R489
4k7
R488
4k7
R518
47k
R416
47k
R409
47k
R417
47k
R405
47k
R410
47k
R404
47R
R429
47R
R458
47R
R455
47R
R483
47R
R454
47R
R531
47R
R450
47R
R500
47R
R430
47R
R530
47R
R487
47R
R451
47R
R427
47R
R468
47R
R457
47R
R428
47R
R484
47R
R421
47R
R499
47R
R453
47R
R524
R1
R2
R3
R4
R462
2
3
4
7
18
6
5
R1
R2
R3
R4
R425
2
3
4
7
1
8
6
5
R1
R2
R3
R4
R424
2
3
4
7
1
8
6
5
R1
R2
R3
R4
R423
2
3
4
7
1
8
6
5
R1
R2
R3
R4
R441
2
3
4
7
6
5
R1
R2
R3
R4
R431
2
3
4
7
18
18
6
5
1kV
1n
C404
1kV
1n
C405
1kV
1n
C406
1kV
1n
C407
1kV
1n
C403
1kV
1n
C408
1kV
1n
C437
1kV
1n
C439
1kV
1n
C428
1kV
1n
C426
1kV
1n
C427
1kV
1n
C429
1kV
1n
C463
1kV
1n
C449
1kV
1n
C465
1k
R528
1k
R505
PL408
1
2
3
4
5
6
10V
10u
C425
1k5
R467
VSUP_3V3_COM
47R
R520
5V_STBY
PL407
1
2
3
4
5
KEYBOARD
KEYBOARD
VSUP_3V3_COM
10k
R432
10k
R433
10k
R434
10k
R435
10k
R436
10k
R437
10k
R438
10k
R439
10k
R440
S413
S412
47R
R477
47R
R478
LED2
LED1
R1
R2
R3
R4
R469
2
3
4
7
18
6
5
S415
S414
HDMI2_HOTPLUG
10k
R540
VSUP_3V3_COM
HDMI2_CEC
10k
R541
VSUP_3V3_COM
10k
R542
VSUP_3V3_COM
SW_ENABLE1
PB_IDTV_B_IN
PR_IDTV_R_IN
Y_IDTV_G_IN
VGA_DVDDMP_R_IN
VGA_DVDDMP_G_IN
VGA_DVDDMP_B_IN
50V
1n
C494
SCL_3V3_IC
SDA_3V3_IC
SDA_3V3
SCL_3V3
SCL_3V3_IC
SDA_3V3_IC
16V
470n
C421
LM809
IC406
1
2
3
DRX_CLK
S461
S462
47R
R543
VSUP_3V3_COM
10k
R544
VSUP_3V3_COM
10k
R545
10k
R546
VSUP_3V3_COM
5V_STBY
VCC_5V
S463
S464
S465
75R
R547
75R
R548
75R
R549
75R
R550
75R
R551
75R
R552
PC_HSYNC
50V
10u
C495
BC848B
Q419
10k
R553
10k
R554
KEYBOARD
50V
27p
C496
50V
27p
C497
50V
27p
C498
50V
27p
C499
50V
27p
C500
50V
27p
C501
1kV
1n
C493
S466
S467
L416
L417
50V
56p
C502
50V
82p
C503
BSN20
Q420
BSN20
Q421
VCC_3V3
VCC_3V3
S468
PANEL_VCC
R1
R2
R3
R4
R555
2
3
4
7
6
5
R1
R2
R3
R4
R556
2
3
4
7
6
5
R1
R2
R3
R4
R557
2
3
4
7
6
5
R1
R2
R3
R4
R558
2
3
4
7
6
5
R1
R2
R3
R4
R559
2
3
4
7
18
18
18
18
18
6
5
R1
R2
R3
R4
R560
2
3
4
7
1
8
6
5
47R
R561
47R
R562
47R
R563
TCK
TDI
TDO
TMS
HDMI_DETECT
W_PROTECT
IDTV_SW_RX
CPU_GO
IDTV_SW_TX
KEYBOARD
LVDS OUTPUT
IR DETECT &
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*NC
*POWER ON/OFF
PORT SAVING
LEVEL SHIFTER
IDTV DIGITAL INTERFACE [FFC TYPE]
PC STANDBY MODE
SYNC DETECTION
VCTP POWER SUPPLIES
JTAG CONN.
VERTICAL SYNC
DOUBLER
SYNC SWITCH
E2EPROM
SHORT CIRCUIT AND HEADPHONE DETECT
LED DRIVE
EXTERNAL AMP.
SERVICE CONN.
IDTV SW UPDATE
TANTAL CASE A
N.C.
N.C.
SHORT
SHORT
N.C.
N.C.
SHORT
SHORT
KEYBOARD CONN.
NOTE : Refer to the part list for the part number of IC403.
SHEET 5
SHEET 5
SHEET 5
SHEET 2
SHEET 1
SHEET 1
SHEET 1,5,6
SHEET 2
SHEET 2
SHEET 6,7
SHEET 1
SHEET 8
SHEET 2
SHEET 6
SHEET 2
SHEET 2
SHEET 2
SHEET 2
SHEET 1,6,7
SHEET 1,6,7
SHEET 8
SHEET 8
SHEET 5
SHEET 1,5,6
SHEET 1,5,6
SIDE CONTROL
PWB
PL1
SHEET 11
DIGITAL TUNER PWB
PL102
LED PWB
PL1
SHEET 12
LCD PANEL UNIT
SHEET 2
SHEET 2
SHEET 7
SHEET 4
SHEET 2
SHEET 1
SHEET 5
SHEET 5
SHEET 5
SHEET 1
SHEET 2
SHEET 4,5
SHEET 1,5,6
SHEET 2
SHEET 2
SHEET 1,5,6
SHEET 4,5
SHEET 2
SHEET 2
SHEET 8
SHEET 8
SHEET 5
SHEET 2
SHEET 2
SHEET 5
SHEET 5
SHEET 8
SHEET 2
SHEET 7
SHEET 7
SHEET 7
SHEET 2
SHEET 7
SHEET 8
SHEET 2,7
MAIN PWB CIRCUIT DIAGRAM (3/8) SHEET 3