Insignia NS-LTDVD19 - 19" LCD TV User manual

NS-LTDVD19
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1. Features
2. Safety Precautions
3. Images of Module and Circuit Boards
4. Key IC Description& Trouble Shooting Guide
5.Signal Flowing Chart
6. Bus Control Adjustment
7. Circuit Diagram
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Features
NO. Functions
Model
NS-LTDVD19
1 TFT SAMSUNG
2 Screen size 19inch
3 Aspect ratio 16:310
4 Resolution 1440×900
5 Brightness 300cd/m
2
6 Contrast(Darkroom) 1000:1
7 Response time(ms) 5
8 Color system NTSC
9 NO. of preset channels 181
10 Picture mode Yes
11 Angel of view H:160
° / V:160 °
12 Color display 16,777,216
13 Color level 16
14 OSDlanguages ENGLISH\FRENCH\SPANISH
15 AV stereo Yes
16 Surrounding sound No
17 Audio system M
18 Bass Yes
19 Balance Yes
20 Sound mode Yes
21 Mute Yes
22 BTSC Yes
23 AV input Yes
24 AV output No
25 Y CB CR Yes
26 Y PB PR Yes
27 S-video jack Yes
28 TV in Yes
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Model
NO. Functions NS-LTDVD19
29 D-SUB jack Yes
30 DVI socket No
31 SCART socket No
32 Ear-Phone Out Yes
33 CCD,V-CHIP Yes
34 Semitransparent menu Yes
35 ZOOM No
36 16:9 mode Yes
37 Child Lock Yes
38 Quick View Yes
39 NO. of built-in speakers 2
40 Audio output power(Built-in)(W) 2*1.5
41 Total power input（W）80
42 Voltage range（V）120
43 Power frequency（Hz）60
44 Time of sleep timer(MINS) 240
45 Approval UL
46 Suitable market U.S.A
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Ｓａｆｅｔｙ Ｐｒｅｃａｕｔｉｏｎｓ
Warning
High voltages are used in the operation of this product.
Do not romove the cabinet back from your set. Refer
servicing to qualified service personnel.
Warning
To prevent fire or electrical shock hazard, Do not expose
the main unit to rain or moisture.
Warning
Do not drop or push objects into the television cabinet
slots or openings. Never spill any kind of liquid on the
television receiver.
Caution
If the television is to be built into a
compartment or similarly enclosed, the
minimum distances must be maintained.
Heat build-up can reduce the service life of
your television, and can also be dangerous.
!
Minimum
10c
20c
10c 5cm
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Caution
Never stand on, lean on, push suddenly the product or its
stand. You should pay special attention to children to children.
Caution
Do not place the main unit on an unstable cart stand, shelf or
table. Serious injury to an individual, and damage to the
television, may result if it should fall.
Caution
When the product is not used for an extended period of time, it
is advisable to disconnect the AC power cord from the AC
outlet.
Caution
Avoid exposing the main unit to direct sunlight and other
source of the heat. Do not stand the television receiver
directly on other produces which give off heat. E. g. video
cassette players,Audio amplifiers. Do not block the
ventilation holes in the back cover. Ventilation is essential to
prevent failure of electrical component. Do not squash power
supply cord under the main unit.
Caution
The LCD panel used in this product is made of glass.
Therefore, it can break when the product is dropped or
applied with impact. Be careful not to be injured by
broken glass pieces in case the LCD panel breaks.
!
!
!
!
!
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Images of Module and Circuit Boards
1.images of Remote Board Subassembly
2.images of Control Panel Subassembly
3.images of Main Board
4.images of Power Supply
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10/10/06 CONFIDENTIAL INFORMATION-DO NOT COPY 2
October 10, 2006 11:23 am
SupraHD-760-DTS-GEN-v1.0-Preliminary Release
Chapter 1. SupraHD-760 Overview
1.1 SupraHD Family
The ZR396xx family consists of:
• SupraHD-680 IC (ZR39680) - Digital TVs for the ATSC/DVB/OpenCable Market
• SupraHD-660 IC (ZR39660) - Digital TVs for the ATSC Market
• SupraHD-640 IC (ZR39640) - Digital ATSC upgrade for Analog TVs
The ZR397xx family consists of:
• SupraHD-760 IC (ZR39760) - Digital Flat Panel TVs for the ATSC Market
• SupraHD-740 IC (ZR39740) - Digital ATSC upgrade for Analog TVs
1.2 SupraHD-760 IC Description
The SupraHD-760 IC is a members of the SupraHD family of DTV controllers developed by Zoran. These
devices are intended to be used in ATSC-compliant television implementations. These devices include all of
the functionality required to support the television implementations shown in the following system block
diagrams.
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SupraHD-760-DTS-GEN-v1.0-Preliminary Release
3 CONFIDENTIAL INFORMATION-DO NOT COPY 10/10/06
October 10, 2006 11:23 am
Figure 2 shows a typical system implementation using the SupraHD-760. This system can be designed and
manufactured in a very low-cost manner.
Figure 2: SupraHD-760 DTV System Diagram - FTA Implementation
Front
Panel
Rear Chassis
Connections
ZR39760
ATSC/
NTSC
Tuner
Analog
Mux
CVBS
IF IF
CVBS/S-Video In
I2C0
HI2C
HCEC
HDMI
MIF
Stereo
D/A
Virtual
Suround
ACLK
LRCLK
ADATAO0
ADATAO1
ADATAO2
As appropriate
for the design
CVBS
C
Y
Audio
A/D I2S0
L
CLKIN
IEC958
Audio
Amp
IRR
UART0
R
GPIOx
GPIOx
L Audio
R Audio
Video
A/D
Unconpressed
Digital HD In*
LVDS Out LCD/
PDP
FLASH
CS0
1pc 16MBx16 256Mb
DDR Memory
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10/10/06 CONFIDENTIAL INFORMATION-DO NOT COPY 4
October 10, 2006 11:23 am
SupraHD-760-DTS-GEN-v1.0-Preliminary Release
Figure 3: SupraHD-760 Detailed Block Diagram
ZR39760
SADR[13:0], SBS[1:0]_n
SDQM[3:0]
SRAS_n, SCAS_n, SWE_n
SCLK, SCLK_n, SCKE
SDQS[3:0],
SDATA[15:0]
SVREF
Memor y
Interface Unit
(MIF)
16
4
3
3
4
16
Embedded
Processing Unit
(EPC)
MIPS 4Kec
I Cache
D Cache
MMU
EJTAG
Ctlr.
JTAG
Ctlr.
Counters/
Timers
6
Transport
Processing Unit
(TRP)
Xport I /F
Xport Demux
Video Capture
Uni t
HDMI
NTSC/PAL
Decoder
8
Audio
Processing Unit
(APU)
Displ ay
Processor
(DPC)
Graphics
MPEG2 Decode
Uni t
(VDEC)
uController
(MCU)
Sequencer
(MCE)
Flex Bus Unit
(FBU)
MIF BUS (64b)
I2C Ctlr. 1
I2C Ctlr. 2
I2C Ctlr. 3
GPI O
2
2
2
4
IRR
1
I2C0C, I 2C0D
I2C1C, I 2C1D
I2C2C, I 2C2D
GPIO[3:0]
IRR
UART0
2
UART0_TX, UART0_RX
BVCI
Modified
Guest Bus
5
GADR[4:0]
GDAT[7:0]
6
GCS_n[5:0]
1
GWS_ACK
5
GDIR, GOE_n, GI OWR_n, GI ORD_n, GWE_n
4
GIRQ[3:0]
CLKIN,
CLKOUT
BVCI/AVCI BUS (64b)
RESET_n
Video I/F
29
13
HDMI_SCL, HDMI_SDA,
HDMI_CEC, HDMI_HPD, HDMI_REXT,
HDMI_D0P, HDMI_D0N, HDMI_D1P,
HDMI_D1N, HDMI_D2P, HDMID2N,
HDMI_CLKP, HDMI_CLKN
TDO, TDI
TCK, TMS
TRST_N, TAPSEL
10
PVCI BUS (64b)
Link List
CLKGEN
DVCXO
PLL
2
BLT
UART1
2
UART1_TX, UART1_RX
ACLK
BCLK, LRCLK
ADATAO[2:0]
ADATAI [2:0]
IEC958
PIXOUT[23:0],PCLK, DEN, OSDP,
AFHSI , AFVSI
HDMI
PHY
VFE_YIN, VFE_CIN,
VFE_CVBS, VFE_REFP, VFE_REFN,
VFE_VCM, VFE_IBEXT, VFE_BG
Unique 128-bit
ID
LVDS Output
19
LVDS_C_P, LVDS_C_N,
LVDS_D[7:0]_P, LVDS_D[7:0]_N
LVDS_REXT
L/R
Audio
DACs
4ADATAO[2: 0]
ADATAI [2]
Shared
with the
I2S
signals
AGC
4
IF_AGC, AGC_SENSE, RF_AGC,
PWM_OUT
Demod
7
IFE_AIMP, IFE_VREFP, IFE_VREFN,
IFE_AINN, IFE_RBIAS, IFE_VCM, IFE_VINBIAS
Smart
Antenna
3
SADATA, GPIOx, GPIO,
8
4
TSO_CLK, TSO_FRAME,
TSO_VALID, TSO_DATA
4
TSI_CLK, TSI_FRAME,
TSI_VALID, TSI_DATA
SPI
5SPI_CLK, SPI_SI , SPI _SO,
SPI_HOLD, SPI_WEN
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