Technical description and composition of the ROLSEN RL-32B05U TV, panel type and modules used. The composition of the modules.ROLSEN
Model: RL-32B05U
Chassis / Version: MST6M48
Panel: LC320WXE SBV2
T-CON: LC320. LC260WXE, TL2336ML
Inverter (backlight): integrated into PSU
PWM Inverter: SG3525AN
MOSFET Inverter: 60N03
Trans Inverter: MP01006-T105
Power Supply (PSU): MP01009 Rev1.3 LYP01672C0 65-0101-M1901G
PWM Power: L6562D (PFC), LD7535
MOSFET Power: F13NK50Z, F3NK80Z
MainBoard: MST6M48 MST6M182 T2B
IC MainBoard: Spi Flash: 25Q32, PAM8610. RT8284N
Tuner: CDT-3FP2I2-31
ROLSEN
Model: RL-32B05U
Chassis / Version: MST6M182VG
Panel: T315XW04 V.3 // LTI320AP01
T-CON: T315XW04 V3 TEST BD
Inverter (backlight): integrated into PSU
PWM Inverter: OZ9937GN (16), 324 (14), N5101 (8) // OZ9966SN (24), A393F (8)
MOSFET Inverter: P4404EDG (3), P2504BDG (3), // STU432S (3)
Trans Inverter: // LT-U3208 T11160A
Power Supply (PSU): K-190N1 RevA01
PWM Power: 1653A (PFC), NCP1396AD (16-1), AS356M (8)
MOSFET Power: TF20N60, K2645, F3NK80
MainBoard: MST6M48 / 6M1 T2B82 M6M8-B8P012-00296 // 471-01A2-64201G verA2
IC MainBoard: PAM8510, 1084, SPI FLASH GD25Q32
Tuner: CDT-3FP212-31
RL-32B05U Specifications
ROLSEN RL-32B05U
General recommendations for TV LCD repair
Repair and diagnostics of any electronic device, in particular ROLSEN with the MST6M182VG chassis, it is advisable to begin with a careful external examination of the internal and external elements. Specific external damage to some elements can sometimes indicate further actions to determine the malfunction of the TV and localize the defect before starting the necessary measurements. Charred paint on the upper layer of resistors, electrolytic capacitors of rectifier filters swollen after boiling, cracked soldering on the leads of heating elements or transformers can often suggest the causes of a defect and possible consequences.
In the absence of any signs of operability, when the ROLSEN RL-32B05U does not turn on and does not signal anything with the control lamps on the panel, there is a possibility that the K-190N1 RevA01 power supply module of the TV may malfunction. With the same manifestations, the power regulator of the control processor on the motherboard may be faulty. When diagnosing and repairing the power supply, first of all, replace the swollen capacitors of the secondary rectifier filter and check the fuse and, if it is broken, the cause must be identified. Often in such cases an avalanche (thermal) breakdown is detected in the power semiconductor elements of the module - rectifier diodes and transistors TF20N60, K2645, F3NK80 in the primary circuit.
In most cases, key breakdowns in switching power supplies (SMPS) do not occur without reason and you should look for other faulty circuit elements that could provoke a defect. This can be dry electrolytic capacitors in the primary circuit, and faulty damper elements, as well as broken resistors or punctured semiconductor elements in the stabilization circuits. Possible defects in the PWM 1653A (8), NCP1396AG (16-1), AS356M (8) chips from the manufacturer.
Sometimes the ROLSEN RL-32B05U TV does not have an image, but there is sound, or the image appears and immediately disappears. In this case, there is a high probability of a malfunction of the backlight converter, or the lamps themselves, which can be checked by replacing. In such cases, it is necessary to make sure that all electrolytic capacitors of the filter are in good working order for the power supply of the inverter itself, including the power supply unit (power supply unit). When disabling the protection of the inverter (to enable diagnostics), special care must be taken due to the risk of failure of the power elements. After the completion of all repair work, it is imperative to restore the protection circuits for full and safe further operation of the TV by the user.
In cases of an attempt to repair the motherboard MST6M48 / 6M1 T2B82 M6M8-B8P012-00296 // 471-01A2-64201G verA2, it is necessary to check the operability of the stabilizers or power converters of its microcircuits and, if possible, update the software (software). BGA chips can in most cases be diagnosed by local heating. Often the MB (SSB) board must be replaced in case of complex malfunctions that are difficult to detect. When trying to repair, you should check its elements - PAM8510, 1084, SPI FLASH GD25Q32 and replace the failed chips with new ones. Some malfunctions may be associated with the use of BGA soldering technologies in modern Main Board. Usually such defects are detected by local heating of the chip.
Attention! Users and owners of RL-32B05U TVs who do not have the appropriate qualifications, knowledge and experience are strongly discouraged from trying to repair themselves in order to avoid negative consequences that can lead to the complete non-repairability of the device.
DOWNLOAD FIRMWARE FOR SPI FLASH -----------> ROLSEN RL-32B05U WX, Main: MST6M182VG, Panel: T315XW04
SCHEMATIC DIAGRAM / SERVICE MANUAL ------------------> MP01009 Power supply
The appearance of the MainBoard RSAG7.820.1637 is shown in the figure below:RSAG7.820.1637
RSAG7.820.1637 can be used in TVs:
BBK LT3218SU (Panel LTA320AP02 S07), BBK LT3218SU (Panel LTA320AP02), ROLSEN RL-32A03105U (Panel LTA320AP02), ROLSEN RL-32A09105F (Panel LC320WUN (SA)(B4)), ROLSEN RL-32A09105U (Panel LTA320AP05).
Additionally by PSU
The RL-32B05U model uses a K-190N1 power supply with the use of a PFC (Power Factor Correction) node - an active filter of the highest harmonics of the consumed current. In fact, it is a step-up converter based on a 1653A PWM regulator, which excludes the charging current of the electrolytic capacitor of the mains rectifier filter directly from the network through open diodes, when its charging current is determined by its reactance.
As a result of the converter operation, the envelope of high-frequency pulses of the input current of the converter will repeat the shape and phase of the input voltage. The serviceability of the PFC unit can be indirectly judged by the presence of an increased constant voltage (about + 380V) on the capacitor of the network rectifier in operating mode.
External view of the power supply
The main features of the ROLSEN RL-32B05U device:
Installed matrix (LCD-panel) T315XW04 V.3 or LTI320AP01.
Matrix control uses the T315XW04 Timing Controller (T-CON).
A converter combined with a power supply is used to power the backlight lamps, it is controlled by a PWM controller OZ9937GN (16), 324 (14), N5101 (8) // OZ9966SN (24), A393F (8). The transformer is installed in the inverter converter // LT-U3208 T11160A. The switches of the P4404EDG (3), P2504BDG (3), // STU432S (3) types are used as power elements of the inverter.
The formation of the necessary supply voltages for all nodes of the ROLSEN RL-32B05U TV is carried out by the K-190N1 power module, or its analogs using the 1653A (PFC), NCP1396AD (16-1), AS356M (8) microcircuits and TF20N60, K2645, F3NK80 power switches ...
MainBoard - the main board (motherboard) is an MST6M48 module using PAM8510, 1084, SPI FLASH GD25Q32 and others.
The CDT-3FP212-31 tuner provides reception of television programs and tuning to channels.
Information from an alternative source:
ROLSEN RL-32B05U
Motherboard: 471-01A2-64201G VER: A2
T-con: T315XW04-V.3,
Invertor: 4H.V2258.211 / B,
PSU: 465-01A2-19001G ZD-95 (G) F K-190N1 REV: A01
Additional technical information about the panel:
Brand: AUO
Model: T315XW04 V3 CELL
Type: a-Si TFT-LCD, CELL
Diagonal size: 31.5 inch
Resolution: 1366x768, WXGA
Display Mode: AMVA, Normally Black, Transmissive
Active Area: 697.685x392.256 mm
Surface: Antiglare (Haze 2%), Hard coating (3H)
Glass Depth: 0.70 + 0.70 mm
Contrast Ratio: 3000: 1
Display Colors: 16.7M (8-bit), CIE1931 72%
Response Time: 6.5 (G to G)
Frequency: 60Hz
Signal Interface: LVDS (1 ch, 8-bit), 30 pins
Voltage: 12.0V
ROLSEN RL-32B05U LCD TV T315XW04, 32 "(81 cm) 16: 9. Brightness of the screen of 500 cd / m² is backlit by CCFL (EEFL) fluorescent lamps. Dynamic contrast ratio of 30,000: 1 is provided by special control of operation illumination depending on the illumination of areas in the scene.It is possible to view images in high quality HD at a resolution of 1366x768 pixels in the standard graphic decomposition 720p (HD Ready) .Input high-frequency or video signal can be processed in analog systems PAL, SECAM, NTSC. Graphic processing and shaping digital signal occurs in the standards 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Supported media file formats: MP3, WMA, MPEG4, MKV, JPEG.
Speaker sound system power 20 W (2x10 W) is provided by two speakers. The NICAM STEREO audio processing system is used.
External interface (communication with other devices) is supported by standard input and output connectors: antenna input (RF), AV x2, S-Video x2, component, VGA, HDMI x2, USB. A headphone output is provided. To connect a computer or laptop to this TV model, use the VGA (D-Sub 15) connector on the TV case, this interface supports resolutions: 640x480, 800x600, 1024x768.
The power consumed by the TV in operating mode from the network is 170 watts.
Dimensions: without stand 787x494x101 mm.
TV weight: 12 kg.
Attention! ROLSEN RL-32B05U LCD TV panel T315XW04 V.3 is its most expensive component.
Avoid hitting the glass and putting pressure on the screen surface to avoid irreversible damage to the LCD panel!