1-1. This TV should be operated from the type of power indicated on the using
label. If you are not sure of the type of power available, consult your
dealer or local power company..
1-2. The TV shall be placed at low humidity and low dust.
1-3. Place the TV on firm flat surface carefully. The surface of the TV is plastic
material and thin glass, drop or sharp impact will cause damage to the TV.
1-4. Do not use alcohol or ammonia-based liquid to clean the TV. If necessary,
clean with a slightly damp cloth. Disconnect the TV from the power supply
before cleaning.
1-5. Remove the power supply immediately in case of abnormality occurred in
the TV, especially strange noise of smell
1-6. Turn on power for testing only after completing the assembly of the TV
include casing and tighten the screw while servicing the TV to prevent
hazard.
4
Page 4
Nexgen Mediatech Inc.
DATE 08/19/2005
TITLE
T27004-BD Level 1 Service Manual
VER V1.0
PAGE 5/38
2. Purpose
The purpose of this service manual is for the reference of Authorized Service
Provider (ASP) while proceeding level 1 service for the product mentioned in
this manual.
3. Definition Of Level 1 Service
The definition of “level 1 service” is defined by Service Provider (SP hereafter)
based on service efficiency and effectiveness considerations. Normally level 1
means
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
MANCHESTER-T27004 MAIN V0.33
1-3 DDR
MANCHESTER-T27004 MAIN V0.33 D041119.DSN
B301
0R/5%/0603
12
C309
10uF/10V
1A
VDDR_2.5
Rev
5
4
3
2
SizeSheetof
Thursday, January 27, 2005312A30.33
1
Page 37
5
4
3
2
1
FOR CMO 27",30" LCD PANEL INTERFACE
Dropout Voltage Io=3A
DD
NEED BIG COPPER
3A
R406
S_6.5V
1K/5%
12
RES
23
D401
LL4148
12
12
R405
100R/5%
RES
C402
104
PANEL POWER
0>OFF ;
1>ON
PANEL_PW5
CC
PANEL_PW
R404
10K/5%
12
RES
Q403
PMBS3904
1
1
2
3
45
C405
104
Q401
S
S
S
GD
FDS9435A
8
D
7
D
6
D
C406
10uF/10V
LCD_VCC
3A
, Vd max = 1.3V
NEED BIG COPPER
12
R407
5.5K/5%
RES
NC
R401
12
0R/5%
RES
4
ADJVOVI
123
VO
U401
AMC7586-5.0ST/ADD/5V/3A
C407
104
TX0-2
TX0+2
TX1-2
TX1+2
TX2-2
TX2+2
TXCK-2
TXCK+2
TX3-2
TX3+2
共LAY
TX0TX0+
TX1TX1+
TX2TX2+
TXCKTXCK+
TX3TX3+
E401
100uF/16V
TX0TX0+
TX1TX1+
TX2TX2+
change connec pin15 swap to pin17 ;
pin16 swap to pin18
TXCKTXCK+
TX3TX3+
Inverter Connector
BL_VCC
1
2
3
4
5
6
BL_GND
C404
104
7
8
9
10
CN402
STM-M242610
1
2
3
4
5
6
7
8
9
10
11
12
CN401
STM-M242612
H457
C415
220pF
C418
220pF
BB
IN_VCC
IN_GND
C412
20pF
H457
L401
RH035090ST-A8 EROCORE
12
L403
RH035090ST-A8 EROCORE
12
L402
RH035090ST-A8 EROCORE
12
L404
RH035090ST-A8 EROCORE
12
C414
20pF
H457
C411
20pF
H457
H457
BL_VCC
E403
100uF/35V
BL_GND
add R419 0R/0603/NC
C413
20pF
8A
E402
100uF/35V
BL_GND
R419 0R/5% NC
BL_ADJ2
BL_ADJ
BL_ADJ => 0~3V =>
MAX~20%
S_5V
AA
BL_PW => Lo > ON
BL_PW5
BL_PW
R408
10K/5%
C416
220pF
H457
BL_GND
R402
1K/5%
RES
H457
CN401 pin definition is error , need
change pin1~5 is VCC , pin6~8 is GND
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Change RP602,RP601 to 100K/16P8R ,
R615,R616,R617,R618 to 100K/0603
C614
104
VCC
1Y2
1Y1
1Z
SO16
1Y0
1Y3
S0
0.5A
16
15
14
13
12
11
10
R616
100K/5%
12
12
RES
RES
C626
104
NC
R615
100K/5%
2
4
6
1
3
5
C627
104
NC
S_5VS_5V
MAU_S1MPS3450
16
14
12
10
8
RP601
100K/16P8R
15
13
11
7
9
12
R619
10K/5%
RES
12
4.7uF/10VC618
4.7uF/10VC621
4.7uF/10VC622
4.7uF/10VC620
4.7uF/10VC625
RES
R620
10K/5%
HDMI_AUR
D4_AUR31
MAIN_AURO 7
PC_AUR1
MAU_S02
MAU_S12
1
T602
T
MAU_S0
in
0
0SC3_in
0
SC3_inPC
1
01
11NA
SC3_in
SC3_in
audio
select
YPbPr
HDMI
R617
R618
100K/5%
100K/5%
2
4
12
12
DD
T601
PC_AUL1
MAIN_AULO7
1
T
D4_AUL31
PC_AUG1
D4_AUG31
MAIN_AUG7
PC_AUL
HDMI_AUL
MAIN_AULO
D4_AUL3
PC_AUG
HDMI_AUG
D4_AUG3
MAIN_AUG
12
12
12
12
SH605 S0603
SH603 S0603
SH602 S0603
SH604 S0603
4.7uF/10VC624
4.7uF/10VC616
4.7uF/10VC617
4.7uF/10VC623
4.7uF/10VC619
RES
RES
1
3
S_5V
16
14
12
6
10
8
13
5
11
7
9
RP602
15
100K/16P8R
C615
10uF/10V
1
2Y0
2
2Y2
3
2Z
4
2Y3
5
2Y1
6
EN#
7
VEE
89
GNDS1
U603
74HC4052D
CHANGE C626,C627 form 104 to NC
R605
C610
MST5151L HDMI function not complete , so parts to NC
152
NC
S_5V
R607
10K/5%
NC
C607
104
NC
12
RES
R606
10K/5%
NC
12
RES
R602
10R/5%
NC
C612
104
NC
S_5V
RES
12
C611
10uF/10V
NC
C609 NC
10uF/10V
C613 NC
10uF/10V
R609
10K/5%
RES
RES
R608
10K/5%
NC
NC
12
12
CC
HD_BCK2
HD_WS2
HD_DIN2
HD_BCK
HD_WS
HD_DIN
1
BCK
R/O
2
WS
N/RE
3
DIN
L/O
45
GNDVDD
U602
PT8211/15
NC
8
7
6
3.9K/5%
NC
45
GNDBI+
678
R603
10K/5%
NC
12
12
RES
123
AI-
AO
AI+
BI-BOVCC
RES
U601
C602
470pF
NC
LM358
NC
C601
104
NC
S_5V
C603
10uF/10V
NC
C606 NC
10uF/10V
C605 NC
10uF/10V
SH601
S0603
12
HDMI_AUR
NC
HDMI_AUG
HDMI_AUL
C608
152
NC
BB
C604
470pF
NC
R601
3.9K/5%
NC
12
12
R604
RES
RES
10K/5%
NC
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
AA
Project Name
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Change U701 from
MSP3450G to MSP3410G(for
PAL), MSP3440G(for NTSC)
R736
10K/5%
SYS_PW#
RES
Q703
add net from U701 pin63
to U803 pin1 NET:AU_PD#
H/W_RESET# 5
TV_SCL5
TV_SDA5
C758
C759
102
102
B701
CP160808T-121Y
12
E704
100uF/16V
add E704 100uF/16V/SMD
S_SDA5
S_SCL5
SYS_PW#5,8,9
AU_PD#8
Project Name
DWG Name
DWG No.
4.7uF/10VC736
4.7uF/10VC732
4.7uF/10VC737
4.7uF/10VC731
E701100uF/16V
4.7uF/10VC738
12
4.7uF/10VC743
12
R738
RES
10K/5%
R739
RES
10K/5%
4.7uF/10VC741
4.7uF/10VC740
C752
C753
102
0.5A
S_5V
102
C764
102
12
12
12
R740
3.9K/5%
RES
12
SH703 S0603
SH704 S0603
SH701 S0603
SIF
BTSC
4.5M
PAL/SECAM
BE
C
5.5M, 6.0M,
6.5M
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
MANCHESTER-T27004 MAIN V0.33
1-7 AUDIO PROCESS MPS3450
MANCHESTER-T27004 MAIN V0.33 D041119.DSN
SUBWOOFER_O
RES
R737
3.9K/5%
12
AOL_SRC1
AOR_SRC1
AOL_SRC2
AOR_SRC2
SPK_O_L
SPK_O_R
C765
102
SPK_O_G
AOG_SRC1
AOG_SRC2
CW
152
910pF
SUBWOOFER_O 1
SPK_O_L8
SPK_O_R8
1
T
T715EARO_L
1
T
T713EARO_R
change R738,R739 from 0R
to 10K/0603
change R740,R737 from NC
to 3.9K/0603
add C764,C765 102/0603
SPK_O_G 8
CX
152
47pF
CY
822
392
CZ
NC
390pF
Rev
5
4
3
2
SizeSheetof
Thursday, January 27, 2005712A30.33
1
Page 41
5
AU_PD#7
DD
CC
BB
R824 net EA_5V change to
S_VCC
S_VCC
change R824 10K/0603
AU_MUTE#5
SPK_O_G7
SPK_O_R7
R824
82K/5%
12
AU_MUTE#
change R823 from 10K to NC
SPK_O_R
SPK_O_L7
SPK_O_L
R815 adj to 2K for
8W output
change R824 from 10K
to 82K/0603
RES
R823
NC
10K/5%
12
RES
change C837 from 104
to 12K/0603
SH801 S0603
C810
104
R813
1K/5%
R815
1.8K/5%
change R815 from
1.5K to
1.8K/0603
12
12
RES
R812
1K/5%
12
RES
R814
1K/5%
NC
add heat-sink for
audio amplifier
HS801
1
1
HEAT-SINK 23.5X16.5
2A
AU_15V
C824
10uF/25V
C837
12K/5%
R810
1K/5%
NC
R816
1K/5%
12
RES
12
RES
10uF/25V
12
RES
12
RES
2
2
4
change C836,C835 from 474 to 564/1206
change C801,C802,C803,C804 from 102 to
104/0603
Modify L803,L804,L805,L806
layout pad
change parts
L803,L804,L805,L806 from
PIH74-330 to PI75-330M
modify function to MCU control audio mute add
R801/100R/0603,R804/10K/0603,Q801/PMBS3904/SOT23
EAR_DET Hi>CLASS-D IS DIS
EAR_DET Lo>CLASS-D IS ENLOAD IS 8 OHM
change R808 from 120K to 22K/0603
add R826 from 2.2K/0603, 22uF/16V/20%/EC-VFK-D5.3
add D807 ZD3.5V/NC
E802
100uF/16V
E801
100uF/16V
S_5V
RES
12
RES
12
EA_5V
104
R818
3.9K/5%
R822
3.9K/5%
R808
RES
22K
EAR_DETEAR_DETEAR_DETEAR_DET
12
0.5A
0.5A
0.5A
EAR_RO
EAR_GOSPK_O_G
EAR_LO
change U802 pin8 net
to S_5V
1A
C816
E805
100uF/16V
AU_MUTE#
12
SH802
S0603
1
O_A
2
IA-
3
IA+
45
VSSIB+
SO8
U802
TDA1308A
VDD
O_B
IB-
C819
10uF/10V
D807
ZD3.5V
12
RES
R826
2.2K
0.5A
0.5A
8
7
6
NC
12
R817
3.9K/5%
RES
12
1
EAR_DET1
EAR_RO1
EAR_GO1
EAR_LO1
NEED BIG COPPER
6
U801
AMC2576-ADJDD
GND
V/IN
SW/O
IN_VCC
C838
AA
20pF
L801
RH035090ST-A8 EROCORE
12
H457
3A
E803
470uF/35V
C839
20pF
H457
modify volt from 25V to
35V
change C818 from 104 to
C818
104/50V
GNDFBEN#
12345
104/50V/0805
5
4
change L802 value to
330uH
12
RES
R811
1K/5%
21
330uH/3A/D16/BC1505J2-331
D803
EC31QS03L/3A
3
RES
R807
11.3K/1%
12
12
L802
SYS_PW#
E804
470uF/25V
SYS_PW#5,7,9
3A
AU_15V
C814
104
2
Project Name
DWG Name
DWG No.
Rev
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
MANCHESTER-T27004 MAIN V0.33
1-8 AUDIO AMPLIFIER TPA3004D2
MANCHESTER-T27004 MAIN V0.33 D041119.DSN
SizeSheetof
Thursday, January 27, 2005812A30.33
1
Page 42
5
4
3
2
1
NEED BIG COPPER
Dropout Voltage Io=3A , Vd
6
U901
AMC2576-ADJDD
change connector
DD
from 4802-06 E&T to
STM M241836
pin definition need
mirror , modify part
direction on PCB/A
CN901
STM M241836
10A
6
5
4
3
10A
2
1
C906
20pF
H457
L901
IN_VCC
RH035090ST-A8 EROCORE
12
L902
RH035090ST-A8 EROCORE
12
C909
20pF
H457H457IN_GND
C907
20pF
H457
C908
20pF
E904
470uF/35V
S_VCCS_6.5V
5A
C901
104/50V
GND
V/IN
SW/O
GNDFBEN#
12345
R904
1K/5%
SW VO=1.23V*(1+(RB/RA))
SYS_PW#
R906
12
RES
L903
330uH/3A/D16/BC1505J2-331
21
12
D902
EC31QS03L/3A
RES
12
4.3K/5%
E905
470uF/25V
SYS_PW# 5,7,8
change L903 value to
330uH
5A
C904
104
max = 1.3V
R907
5.5K/5%
NC
R902
0R/5%
E906
470uF/25V
NEED BIG COPPER
12
4
RES
VO
ADJVOVI
12
123
RES
Add part
E906/470uF/25V/D10P5
S_5V
U902
AMC7586-5.0ST/ADD/5V/3A
S_5V
E901
C905
104
470uF/16V
FOR EMI POWER DECOUPLING CAP
STEP-DONW 19V TO 5V
CC
E902
100uF/16V
CU5V
1A
C903
104
R903
1.2K/5%
L904
INDUCTOR PIH75-221K
12
RES
12
RES
12
21
R905
3.6K/5%
D901
EC31QS03L/3A
R903 2.2K FOR
3.3V USE
C910
470pF
1
SW-C
DRV-C
2
SW-E
3
TC
45
GND COMP -IN
I-SEN
VCC
U903
UTC MC34063A
R901
8
RES
1R/5%
7
12
6
1A
C902
104/50V
S_VCC
E903
100uF/35V
add heat-sink for U901,U902
1
1
2
2
HS901
HEAT-SINK 23.5X16.5
1
1
2
HS902
HEAT-SINK 23.5X16.5
CA13
103
2
S_5V
CA16
103
CA11
103
CA12
103
CA04
103
CA02
103
CA20
103
CA07
103
CA14
103
CA18
103
CA09
103
CA05
103
CA01
103
CA08
103
CA17
103
CA19
103
CA15
103
CA06
103
CA03
103
CA10
103
Power Sequence : 5V -> VL -> VH & AVDD
R909
0R/5%
RES
12
R913
0R/5%
RES
12
VGH : +23V : POWER LINE
VGL : -5.5V : POWER LINE
VAA : +10V : POWER LINE
7
8
1
BB
2
R912
0R/5%
12
6
5
H1
3
4
HOLE4.0-4
RES
7
8
1
2
H457H457
R910
0R/5%
12
6
5
H4
3
4
HOLE3.5-4
RES
7
8
1
2
3
4
R908
0R/5%
RES
12
6
5
H7
HOLE3.5-4
V5A : +5V : POWER
PLANE
LAYOUT GUIDE
POWER JACK +V
FOR INVERTER
FOR AUDIO AMP.
FOR SYSTEM
7
8
1
2
H23
R911
0R/5%
12
H23
1
2
AA
6
5
H2
3
4
HOLE4.0-4
RES
7
8
6
5
H3
3
4
HOLE4.0-4
5
1
2
H457
1
2
7
8
6
5
H5
3
4
HOLE3.5-4
add parts
R908,R909,R910,R911,R912,R913 0R/0603
7
8
6
5
H6
3
4
HOLE3.5-4
7
8
1
2
Add hole H8/4mm NET
is GND
6
5
3
4
H8
HOLE4.0-4
FOR INVERTER
G
B
1
2
7
6
8
1
2
4
5
4
3
SOT
23
E
S
PT1
PHOTO POINT
PT3
PHOTO POINT
3
C
D
PT2
PHOTO POINT
PT4
PHOTO POINT
3
POWER JACK GNDFOR AUDIO AMP.
FOR SYSTEM
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Thursday, January 27, 2005912A30.33
2
Project Name
DWG Name
DWG No.
Rev
MANCHESTER-T27004 MAIN V0.33
1-9 POWER SUPPLY
MANCHESTER-T27004 MAIN V0.33 D041119.DSN
SizeSheetof
1
Page 43
5
4
3
2
1
Project Name :
MANCHESTER-T27004
UPDATE LIST
parts value please base on BOM
DD
change history please see attachments file
Version 0.33
Page List
MAIN BOARD:MANCHESTER-T27004 MAIN V0.33.DSN
PCB FILE:MANCHESTER-T27004 MAIN V0.33.pcb
0 Cover Page
0-1 SYSTEM BLOCK DIAGRAM (PAL)
0-2 SYSTEM BLOCK DIAGRAM (NTSC)
1-1 MAIN I/O CON
1-2 LCD CONTROLLER MST5151
1-3 DDR
1-4 PANEL INTERFACE
1-5 MCU
1-6 AUDIO MUX
1-7 AUDIO PROCESS MPS3450
1-8 AUDIO AMPLIFIER TPA3004D2
1-9 POWER SUPPLY
VIDEO BOARD(PAL):GND MANCHESTER-T27004 PAL V0.33.DSN
CC
PCB FILE:MANCHESTER-T27004 PAL V0.1.pcb
2-1 SCART1 CONNECTOR
2-2 SCART2 CONNECTOR
2-3 VIDEO I/O SV,AV
2-4 VIDEO BOARD MUX
4 VIDEO BOARD MUX
5 VIDEO DECODER SAA7117AE
6 TV TUNER,AV SW
Hank Tang
7 CC / V-CHIP
8 3D COMB FILTER
KEYPAD BOARD:T27001
PCB FILE:by mode system BOM
IR BOARD:T27001
PCB FILE:by mode system BOM
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
AA
Project Name
DWG Name
DWG No.
MANCHESTER-T27004 MAIN V0.33
0 Cover Page
MANCHESTER-T27004 MAIN V0.33 D041119.DSN
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Rev
SizeSheetof
Thursday, January 27, 20051012A30.33
5
4
3
2
1
Page 44
5
SCN1 HDMI CON
1
2
4
3
LCD CONTROLLER
MSTAR
MST5151L
2
LCD panel module
LCD PANEL CMO 27"
1
HDMI
VGA (R,G,B)
YPbPr
SCART RGB
SCART SV
SCART AV
SC1 OUT
STATUS1
(R+-,G+-,R+-,B+-,CK+-)
TMDS
(R+-,G+-,R+-,B+-,CK+-)
YPbPr I/F for NTSC
video board
VIDEO MUX
2CH > 1 X 4
FSAV330
FAIRCHILD
SCART RGB
DD
PC audio in
SUB WOOFER OUT
19 18
DVI-DSCN2
VGASCN3
SCN10
EAR-O/PC-IN
SCN4
YPbPr-IN/AUDIO-IN/SUB-WOOF-O
YPbPr audio in
SCART1SCN5
1
SCART1
audio in
CC
FULL
2
FUCTION
SCART1
SCART TV
BLNK1
SCART SV
SCART2
audio in
VAU_MUX SEL
(S0,S1)
21
SCART2SCN6
1
FULL
2
FUCTION
SCART2
SCART RGB
SCART SV
SCART AV
jump for DVI or HDMI select
jump for on board or extend
board YPbPr I/F select
CCIR656 I/F
VIDEO DECODER
SAA7117
SRGB
(A11,A21,A31,A41)
SV (A11,A21)
AV (A11)
CCIR656 I/F for
Video A
CCIR656 I/F for
Video B
2Mx8 SRAM
UT62L2568LC
support 252 page
CCIR656 VIDEO A
CCIR656 VIDEO B
DVI/HDCP/HDMI IN
A/D IN1
DDR I/F
A/D IN0
CCIR656 I/F 1
CCIR656 I/F 0
SCART AV
LVDS I/F
SC2 OUT
SCART TV
BLNK2
STATUS2
FSW
SV(Y,C)
BB
S-VIDEO
audio in
AV
audio
in
SCN11
AUDIO-IN
SCN7
MINI DIN4
C
JACK
21
Y
SCN9
TUNER 1
TV TUNER
SCN12
AUDIO-IN
SCN8
AV1
AV
TV
SV (A14,A24)
TV (A11)
FSW
R
A22
G
A32
B
A42
H-sync
V-sync
AU_MUX SEL (S0,S1)
TV_PWR CNT
BLNK1
VAU_MUX SEL
AV (11)
S-VIDEO (10)
SCART2 (01)
SCART1 (00)
AA
YPbPr (01)
PC (00)
HDMI (10)
MUX for video
board
4>1x 2CH
74HC4052
MUX for video
board
4>1x 2CH
74HC4052
5
(S0,S1)
SC4_IN
SC3_IN
MAU_MUX SEL
(S0,S1)
4
STATUS1
BLNK2
STATUS2
1Mx8 flash ROM
W39L010P-70
memory I/F
VIDEO-TEXT
SDA5550M
I2C I/O EXPANDER
JLC1562BFEL-ON
HDMI (10)
3
TV_I2C
(GPIO0,PWM2)
I2S AU OUT
I2S audio DAC
MCU I/F
MAU_MUX SEL
(S0,S1)
LVDS I/F
DDR SDRAM 4Mx32
HY5DU283222F-4
MCU POWER
5V/100mA
DC 6.5V
DC 5V
OUT
OUT
EARPHONE AMP
LOAD 32R
W79E632A40PN
128K ROM
KEY PAD ,IR
AD-KEY
syster power supply
DC 3.3V
OUT
TDA1308A
SC1 OUT
SC1 OUT
MCU
2
panel power
5V/1.5A
panel power
5V/1.5A
DC 2.5V
OUT
SOUND PROCESSAV (A23)
MICRONAS
MSP3450G
EEPROM
24C16
lamp hi volt in put
INVERTER POWER
24V/5A
class-D audio power
amplifier
SC2 OUT
SC2 OUT
INVERTER
DC 24V IN
TPA3004D2
DACM OUT
TV_I2C
SYS_I2C
power in
connector
Din-4
DC 15V
OUT
SPEAKER 5W 8R X 2ch
ANA+_IN1
DACM_SUB
SC3_IN
SC4_IN
Project Name
MANCHESTER-T27004 MAIN V0.33
DWG Name
0-1 SYSTEM BLOCK DIAGRAM (PAL)
DWG No.
MANCHESTER-T27004 MAIN V0.33 D041119.DSN
Rev
SizeSheetof
TV 2IF CONNECTOR
SUB WOOFER OUT
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Thursday, January 27, 20051112A20.33
1
Page 45
5
SCN15 HDMI CON
1
2
4
3
LCD CONTROLLER
MSTAR
MST5151L
2
LCD panel module
LCD PANEL CMO 27"
1
HDMI
DD
PC audio in
SUB WOOFER OUT
19 18
DVI-DSCN19
VGASCN20
SCN16
EAR-O/PC-IN
SCN27
SUB WOOFER OUT
SCN21
YPbPr x 2SET
(R+-,G+-,R+-,B+-,CK+-)
TMDS
(R+-,G+-,R+-,B+-,CK+-)
VGA (R,G,B)
VAU_MUX SEL
(S0,S1)
VIDEO MUX
2CH > 1 X 4
FSAV330
FAIRCHILD
YPbPr OPTION FOR USA
OR EIAJ
YPbPr
YPbPr
YPbPr 1
CC
YPbPr 2
jump for DVI or HDMI select
YPbPr I/F for NTSC
video board
CCIR656 I/F
VIDEO DECODER
CCIR656 I/F for
Video A
YPbPr
CCIR656 VIDEO A
DVI/HDCP/HDMI IN
A/D IN1
DDR I/F
A/D IN0
CCIR656 I/F 1
LVDS I/F
LVDS I/F
DDR SDRAM 4Mx32
HY5DU283222F-4
MCU POWER
5V/100mA
DC 6.5V
DC 5V
OUT
OUT
panel power
5V/1.5A
panel power
5V/1.5A
syster power supply
DC 3.3V
DC 2.5V
OUT
OUT
lamp hi volt in put
INVERTER
INVERTER POWER
24V/5A
DC 24V IN
DC 15V
OUT
power in
connector
Din-4
SAA7117
SCN26
HDTV1
audio in
HDTV2
audio in
SCN25
AUDIO-IN
SCN14
D-CON
1
8
AUDIO-IN
SCN13
D-CON
1
CCIR656 I/F for
VAU_MUX SEL
(S0,S1)
8
YPbPr 1
YPbPr 2
VIDEO MUX
2CH > 1 X 4
FSAV330
FAIRCHILD
Video B
CCIR656 VIDEO B
CCIR656 I/F 0
EARPHONE AMP
LOAD 32R
TDA1308A
SC1 OUT
SC2 OUT
class-D audio power
amplifier
TPA3004D2
SPEAKER 5W 8R X 2ch
VAU_MUX SEL
(S0,S1)
L1
ANALOG MUX
2CH > 1 X 3
74HC4053
L2
BB
AA
S-VIDEO
audio in
AV
audio
in
SCN17
AUDIO-IN
SCN22
MINI DIN4
C
JACK
Y
SCN24
TUNER 1
TV TUNER
SCN18
AUDIO-IN
SCN23
AV1
L3
L1
L2
L3
AV (11)
S-VIDEO (10)
HDTV2 (01)
HDTV1 (00)
PC (00)
HDMI (10)
MUX for video
board
4>1x 2CH
74HC4052
MUX for video
board
4>1x 2CH
74HC4052
5
L1
L2
L3
SV(Y,C)
AV
TV
VAU_MUX SEL
(S0,S1)
SC4_IN
SC3_IN
MAU_MUX SEL
(S0,S1)
4
L1(AI33)
L2(AI34)
L3(AI43)
SV (A14,A24)
TV (A11)
AU_MUX SEL (S0,S1)
FSW(AI44)
A22
A32
A42
D1 HPD
D2 HPD
TV_PWR CNT
VIDEO SEL
BLNK2
FSW
R
G
B
H-sync
V-sync
memory I/F
VIDEO-TEXT
Z86129
I2C I/O EXPANDER
JLC1562BFEL-ON
P0
P1
P6,P7
P5
P4
(GPIO0,PWM2)
MCU I/F
I2S AU OUT
TV_I2C
I2S audio DAC
HDMI (10)
3
MAU_MUX SEL
(S0,S1)
KEY PAD ,IR
AD-KEY
SC1 OUT
MCU
W79E632A40PN
128K ROM
2
SOUND PROCESSAV (A23)
MICRONAS
MSP3450G
EEPROM
24C16
SC2 OUT
DACM OUT
TV_I2C
SYS_I2C
ANA+_IN1
DACM_SUB
SC3_IN
SC4_IN
Project Name
MANCHESTER-T27004 MAIN V0.33
DWG Name
0-2 SYSTEM BLOCK DIAGRAM (NTSC)
DWG No.
MANCHESTER-T27004 MAIN V0.33 D041119.DSN
Rev
SizeSheetof
TV 2IF CONNECTOR
SUB WOOFER OUT
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Thursday, January 27, 20051212A20.33
1
Page 46
5
DD
4
3
2
1
33pFC109
AV_G1
12
12
B118 CP160808T-121Y
B111 CP160808T-121Y
H345
AVO1
AV_G1
change CN101 from AMP 1566713-1
to Chang Yang SCP-3042
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
S_5V
AA
Project Name
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
MANCHESTER-T27004 V0.33
2-4 VIDEO BOARD MUX
GND MANCHESTER-T27004 PAL V0.33 D041202.DSN
SizeSheetof
Thursday, January 27, 200547A30.33
1
S_5VS_6.5V
C414
104
Page 50
5
S_5V
U905
3
C943
10uF/10V
C944
DD
CC
change net R980>SCR1_BLNK to
SCR1_STAT,R981>SCR2_BLNK to
SCR2_STAT
change R936,R909 net S_5V
to VO_VCC
BB
del R936,R904,R911,C901,Q901
to NC
change C971 from 4.7uF to 10uF/10V/1206,
R904 from 100R to 0R/0603, R909 from 10R
to 82R/0603 ,R907 from 1K to 82R/0603,
Q902 from PMBS3904 to PMBS3906/SOT23
change E903 from 100uF/16V
to 470uF/16V/D8P3.5
del R911,Q901,C902,R910,R908,R903
from PCB layout
AA
10uF/10V
TVA6
SCRT_AV4
SCART_R4
SCART_G4
SCART_B4
change R910 from 22R to
27R/0603
del parts R969,R925,C915
TT_RO7
TT_GO7
12
12
12
TT_BO7
1
3
1
R926
0R
12
C919
330pF
NC
R928
0R
12
C922
330pF
NC
R934
0R
12
C925
330pF
NC
if use U906 then R904 use
75R/0603, E903 use 220uF/16V
SCR2_AVO2
5
4
IN
2
GNDVOVO
AP1117E33A
U904
IN
GNDVOVO
AZ1117H-1.8TR
change R927 , R933,
R935 from 75R to NC
12
R927
150R
12
12
R933
150R
12
R935
150R
12
4
2
del R910
C918
0R
C921
0R
SCR2_STAT2,4
TT_FSWO7
C945
10uF/10V
C946
10uF/10V
change R969 from 0R to
27R/0603
change R982 from 22R to
300R/0603
change R932 from 75R to 100K/0603
change R980,R981,R982 from 0R
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
MANCHESTER-T27004 V0.33
2-5 VIDEO DECODER SAA7117
GND MANCHESTER-T27004 PAL V0.33 D041202.DSN
SizeSheetof
Thursday, January 27, 200557A20.33
1
Page 51
5
4
3
2
1
Tuner
if use U906 then
Adjustment R602
15
16
17
18
TU_GND
GND
GND
GND
GND
TU602
DD
SDA
AS
2IF
CVBS
AF
VIF
FM_L
FM_R
11
12
14
13
8
TU_GND
TU_GND
7
C608
10pF
CN603
1
2
STM-M24262
T601
1A
TVA_MPX
VIF_A
TV_A
TVA_2IF
TVA_G
T
SH602
S0603
TVA_MPX
1
12
TU_GND
change R609 from 0R to
short/0603
del CN601,CN602
TVA_2IF
Philips-FQ1216ME/I H-3 FOR PAL
TUNER-MK3
FQ1216/F MK3 FOR PAL& SECAM
SCL
VS
456
3
TVA_SCL
TVA_SDA
TVA_ADS
1A
VS_A
R60775R/5%
R60875R/5%
R6040R/5%
RES
RES
RES
TU_GND
TV_SCL
TV_SDA
TV_SCL1,2,4,5,7
TV_SDA1,2,4,5,7
12
12
12
value CVBS out
level to 1Vp-p
RES
R602
100R
NC
12
TV_A
TVA_G
C611
10uF
R619
0R
12
RES
SH601
S0603
12
R618
10K
RES
12
1
RES
12
R620
10K
RES
23
R621
300R
12
change R622 from 10K
to NC
if use U906 then R619 use
1uF/Y5V/10V/0603
S_5V
C609
10uF/10V
CC
TV_PW
HI is ON
del
Q601,Q602,R606,R605
E604
100uF/16V
TU_GND
TV_PW4
TV_PW
Tuner Power Control HI
POWER ON
TU_GND
2A
R606
C604
104
10K/5%
NC
RES
12
R605
10K/5%
NC
add R624 0R/0805
S_6.5VTUA_VCC
12
RES
Q602
1
PMBS3904
NC
23
R624
0R/5%
12
RES
1
S
S
S
GD
Q601
FDS9435A
NC
D
D
D
2
3
45
8
7
6
NEED BIG COPPER
U601
AP1117E50A
OUT
A/G
123
4
OUT
IN
1A
E603
100uF/16V
C605
104
change Q603 from PMBS3904 to PMBS3906/SOT23,
R623 from 10R to 82R/0603, R619 to 0R/0603,
R617 from 10K to 33R/0603, E605 from 100uF
to NC, R622 from 10K to 2.2K/0603, C609 from
10uF to NC
add R601 NC, R602 NC, E606
NC, U602 NC, C601 NC
change R603 22R to 0R/0603 ;
L602 CL160808-1R0K to 0R/0603
; C601 104 to 0R/0603
change
L601,L603,C602,C603,R602
to NC
G
B
E
S
SOT
23
3
D
C
Project Name
DWG Name
DWG No.
1
2
NEED CLOSE TO TUNER A POWER PIN
FOR MK3 USE IS NC
12
E601
R610
0R/5%
NC
100uF/16V
RES
100uF/16V
E602
VIF_A
TU_GND
TU_GND
VS_A
TU_GND
TU_GND
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
Del parts from PCB layout
C701,C702,C704,Q701~706,Q708~710,
R709~711,R715~720,R722~724,R726~731,R735~737
TT_R
TT_G
TT_B
ADD R790 R791 792
R790 0R
12
RES
12
RES
12
RES
TT_RO5
R791 0R
TT_GO5
R792 0R
TT_BO5
BB
2
4
6
1
3
5
change R714,R707 from
100R to 0R/0603
RES
RES
R708
470R/5%
S_5V
change L701 from 8.2uH to NC
L701
NC
8.2uH
12
12
RES
12
RES
R721
300R/5%
RES
12
R725
10K/5%
C737
150pF
3
TT_VI
Project Name
DWG Name
DWG No.
Rev
2
12
C706
1uF
4
TT_VIDEO
TT_VIDEOG
SH701
S0603
C736
10uF/10V
12
TT_VIDEO5
AA
TT_VIDEOG5
5
R732
47K/5%
12
RES
R733
68R/5%
R713
22K/5%
RES
12
RES
12
1
23
R714
0R/5%
R707
0R/5%
Q707
PMBS3904
12
16
14
12
10
8
7
RP701
10K/16P8R
15
13
11
9
C12
C13
LCB
8_30INF
LIST
I2C_1
GAIN
C14
RES
12
12
12
12
12
12
12
12
J7010R/5% NC
RES
J7020R/5% NC
RES
J7030R/5%
RES
J7040R/5%
RES
J7050R/5%
RES
J7060R/5% NC
RES
J7070R/5% NC
RES
J7080R/5% NC
Copyright 2002 by Nexgen Mediatech Inc. These drawing and
specificatons are the property of Nexgen Mediatech Inc. and
shall not be reproduced or used as the basis for the manufacture
or shall of apparatuses or devices without permission.
MANCHESTER-T27004 V0.33
2-7 VIDEO TEXT
GND MANCHESTER-T27004 PAL V0.33 D041202.DSN
SizeSheetof
Thursday, January 27, 200577A30.33
1
Page 53
Nexgen Mediatech Inc.
TITLE
T27004-BD Level 1 Service Manual
8. Explosion Diagram
DATE 08/19/2005
VER V1.0
PAGE 35/38
35
Page 54
Nexgen Mediatech Inc.
TITLE
T27004-BD Level 1 Service Manual
9. Level 1 Spare Parts List
DATE 08/19/2005
VER V1.0
PAGE 36/38
Material P/N English Description STD Usage
PCBA 510-271012-051 PCBA T27004 VIDEO BOARD V0.34 1
200-270020-0101 27" STAND FRAME BC MODULE 1 200-270021-0101 27" STAND BASE NECK BC 27 1 200-270075-0101 T27001 STAND BASE PLASTIC D 1 220-270002-011 NLC27C1 RUBBER FOOT 5 220-270010-011 NLC27C1 RUBBER FOOT 1 220-300001-011 NLC30CX-X1 STAND RUBBER 7 250-270021-011 27" STAND FRAME BKT BC 1 250-270022-011 27" STAND BASE SUPPORT BKT BC 1 250-270027-011 NLC27C1 HINGE MODULE 1 250-270045-011 T27001 STAND BASE BKT D 1 600-040012-010 SCREW PH M4-0.7*12 C2 4 602-430008-010 SCREW WH D3*8 C2 6 603-740008-110 SCREW IH D4*8 C2 8
Packing material 240-420001-011 CARTON LOCK 2
Mechanical parts 200-270003-0101 NLC27C1 ADAPTOR COVER 1
609-040010-010 SCREW PH+SW+W(10) M4-0.7*10 C2 4
401-270039-021 T27004 MAIN CARTON-FUNAI EU 1 403-270006-011 NLC27C1 EPE BAG 1 403-270012-021 EPE CUSHING TOP FOR STAND B&C 1 403-270013-011 EPE CUSHING BOTTOM(STAND B&C) 1 404-000004-011 MANUAL'S BAG 1
200-270004-0101 NLC27C1 AV COVER 1 200-270005-0101 NLC27C1 PC COVER 1 200-270006-0101 NLC27C1 BACK COVER 1 200-270014-0101 NLC27C1 SPEAK BOX 2 210-270021-011 T27004 AV PLATE PAL 1 210-270024-011 T27004 PC PLATE PAL 1 220-270008-011 NLC27C1 RUBBER FOOT 4 230-270006-011 T27001 PANEL MYLAR SHEET 1 231-270002-011 SPONGE BACK COVER-2 190*10*0.5 2 231-270003-011 NLC27C1 SPEAKER SPONGE 4 231-270004-011 NLC27C1 SPEAKER SPONGE 4 231-270009-011 SPONGE BACK COVER-1 165*10*0.5 2
232-000004-011 AL TINSEL 20*140MM 1
37
Page 56
Nexgen Mediatech Inc.
DATE 08/19/2005
TITLE
T27004-BD Level 1 Service Manual
VER V1.0
PAGE 38/38
Screws 600-030008-141 SCREW PH M3-0.5*8 C2 6
250-270016-011 NLC27C1 WALL MOUNT BRACKET 1
250-270059-011 T27004 MAIN COVER BRACKET 1 250-270060-011 T27004 AV PANEL BRACKET 1 250-270062-011 T27004 PC PANEL BRACKET 1 250-270063-011 T27004 TV PANEL BRACKET 1