Hisense RL-32B02 Manual de usuario
LCD TV
Service Manual
RL-32B02
MST 9 Chassis Scheme
(VER 1.0)
Team Leader:
Examined by:
Research & Development Centre
August 30, 2007
Contents
Record of Revision..........................................................................................................2
LCD3228LFR ...............................................................Error! Bookmark not defined.
I. Product Profile.............................................................................................................3
(I) Product Appearance.............................................................................................3
2
(II) Product Specifications and Features...................................................................4
1. LCD3228LFR Specifications..........................................................................4
2. Features of LCD3228LFR ..............................................................................5
II. Scheme Outline ..........................................................................................................6
III. Principles...................................................................................................................7
(I) Power Source Section ..........................................................................................7
(II) Signal Processing Section...................................................................................9
IV. Debugging of Chassis.............................................................................................25
Factory Debugging..................................................................................................25
1. Factory Menu................................................................................................25
2. Design Menu.................................................................................................26
V. Mstar9X Upgrading .................................................................................................27
Record of Revision
Version
Revision Content
Time
3
Ver 1.0
Formation of the first version
August 30, 2007
LCD TV Service Manual
I. Product Profile
(I) Product Appearance
Series 28
4
(II) Product Specifications and Features
1. LCD3228LFR Specifications
Display: Minimum diagonal of viewable image is 81cm.
Resolution: 1366×768
Power (Input): 50Hz 160-240V
Standby power consumption: ≤3W
Entire power consumption: 170W
Receiving system: TV PAL (D/K, I, B/G), SECAM
Video PAL, NTSC
Ambient conditions:
Operating temperature: 5℃~35℃
Operating humidity: 20%~80%RH
Atmospheric pressure: 86kPa~106kPa
Channel scope: Broadcasting and TV channels C1~C57
5
CATV enlarged channels Z1~Z38
Antenna input: 75Ω external terminal
Audio power: 6W+6W
Dimensions: 798mm×552mm×103mm (width × height × depth), exclusive of the base
798mm×614mm×240mm (width × height × depth), inclusive of the base
Weight: 13.7kg, exclusive of the base
16kg, inclusive of the base
2. Features of LCD3228LFR
Multi-media function
Having D-sub15 pin VGA interface that can be used for high performance LCD TV display to
realize a multi-media function
High quality LCD display
High brightness, high contrast, wide view angle, the gradual digital display, capable of reflecting a
perfect image
Multiple circuits for improving the image quality
3D filter circuit for color optimization; and circuits for improving dynamic and static image
quality
Automatic search and memory system
Automatic search function and storage capacity of 200 channels; making use of digital frequency
for tuner synthesis
Multi-mode wide-screen display
Full-screen (16: 9), 4: 3, Zoom 1, Zoom 2 and panorama, various aspect ratios for your choice
6
Type D power amplifier, capable of reproducing the sound in a higher dynamic scope, effective
and energy saving
Optional English/Russian menu
When there is no signal input for 15 minutes, the machine will automatically come into sleep or
standby status with low-power consumption, thereby effectively prolonging the service life of
the machine and saving the electricity
Multi-media ports
Route 1 D-sub 15 pin VGA input, Route 2 HDMI input, Route 2 video input, Route1 S-video
input, Route 1 component input, Route1 video output, Route 3 audio input and Route1 audio
output
SRS WOW sound effect processing, bringing more fair-sounding effect
TV program time-shifting and record & play functions
Capable of time-shifting playing, real-time recording or pre-set recording of TV program through
connecting with USB2.0 portable HD
The built-in cache supports time-shifting playing for about 15minutes.
II. Scheme Outline
This series of machines are added with double HDMI, SRS WOW, real-time clock and DMP record
& play functions based on the original MST9 servers.
MST9E88L has the following functions:
1. 3D video decoding and four groups of CVBS input and two groups of SVIDEO input
2. NICAM/BTSC/A2/EIA-J audio decoding
3. One group of HDMI/DVI input
4. Three groups of YPBPR/RGB input
7
5. Five groups of audio input with sound effect processing: alt, undertone, balance, bass, etc.
6. 1000 pages of images and texts
7. MCU with OSD
8. Three groups of AUDIO DAC providing analog output and I2S digital output with no need of
audio ADC
9. High performance 3D progressive processing
10. Movement self-adaptive 3D noise reduction processing
11. 10BIT ADC, with three high-speed video switches
12. Third-generation MSTAR color processing technology
13. Full-channel 10BIT digital signal processing
14. Built-in LVDS TX
15. Support DUAL 10BIT LVDS, and use S FLASH instead of P FLASH.
16. A DDR MEOMORY
17. Two-layered design, medium and high end whole series platform
18. Capable of supporting 1080P by simple upgrading
19. Color expansion technology, field depth expansion technology, independently-adjustable 6+1
colors, capable of opening the window for comparative demonstration
20. 6U88L of this series can support PIP function
III. Principles
(I) Power Source Section
8
Description of procedures: When the power is turned on, the main board will be supplied with
5V_STB; the relay will close after the main board sends out the power supply signal of ON/OFF; the
main power is started to supply 12V, 5V, and 24V for audio-use to the main board and 24V to the
INVERTER.
The 12V power goes into the main board through XPE008-XP8 to supply the TCON board of the
LCD screen (if the input voltage is 12V).
The 5V power goes into the main board through XPE008-XP8 to supply the TCON board of the
LCD screen (if the input voltage is 5V).
The 5V power is supplied through N8 (1117-2.5) to MST main chip and DDR, 3.3AVDD is supplied
through N7 (LD1117-3.3) to MST main chip, 3.3V is supplied through N10 (1084-3.3) to MST for
digital-use and 1.8V is supplied through N14 (DC－DC) to MST 1.8V.
The 24V power is supplied through XPE004-XP9 to the main board for the audio amplifier, of
which the 12V power is supplied to 7808(N5) and converted to 8V which is then to 5V and supplied
through U6 (LD1117-5) to the tuner.
The 24V power is supplied to the INVERTER of the LCD screen:
9
(II) Signal Processing Section
MST analog
3.3
Boosting
MST digital
3.3
10
(A) High and Medium Frequency Section
The high and medium frequency sections of this machine consist of U3 and U5. The radio frequency
signals are received by the tuner U3 and mixed and amplified internally to send out 38.9M medium
frequency signal, which is divided into two routes via C42 and R84. One of them is coupled by C46
and goes via D8 into ASW filter Z1 (HS9453). The audio medium frequency signal output is input to
Tuner
TDQ-6FT/
W116H
Acoustic
surface
HS9455
HS6274
PC
Component
One group of S terminals
Two groups of AV input
Five groups of audio input
Key
Remote control
Video out
Audio out
Audio
amplifier
circuit
TDA 8932T
Loudspeaker
Audio excitation
Earphone
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