Circuit Descriptions - Philips QV15.1E LA Service Manual

7. Circuit Descriptions

Index of this chapter:
7.1 Introduction
7.2 Power Supply
7.3 DC/DC Converters
7.4 Front-End Analogue and DVB-T, DVB-C, ISDB-T reception
7.5 HDMI
7.6 Video and Audio Processing - Marvell 88DE3214
7.7 Ambilight
Notes:
• Only circuits that are not recently published are described.
• Figures can deviate slightly from the actual situation, due
to different set executions.
• For a good understanding of the following circuit
descriptions, please use the wiring block diagram (see
chapter 9. Block Diagrams) and circuit diagrams (see
chapter 10. Circuit Diagrams and PWB
Where necessary, you will find a separate drawing for
clarification.
Circuit Descriptions
7.1
7.1.1
Layouts).
7.1.2
back to
div. table
QV15.1E LA
Introduction
The QV15.1E LA is a new chassis launched in Europe in
2015. The whole range is covered by Marvell platform.
The major deltas versus its predecessor support Analog
and DVB-TC,DVB-TC/T2,DVB –TC/S2 with also
multi-media, smart, 4K WIFI, Bluetooth, 3D, AmbiLight
functionally.
The QV15.1E LA chassis comes with the following stylings:
• series xxPUx71x0/xx
• series xxPUx7600/xx
Implementation
Key components of this chassis are:
• MAIN SCALER 88DE3214B0-BTP2C000 BGA-770 TV
Processor
• FRC SCALER NT72324BG-35 PBGA-1057
• TUNER EUROPE SUT-PE231AN
• TUNER Europe SUT-PE531AN only for 7170
• DEMODULATOR TDA8296HN/C1 HVQFN-40
• DEMODULATOR SI2169-C50-GM QFN-48 for S series
• DC/DC LNBH25LSPQR 0.5A 18V QFN-24 LNB power IC
for 7100&7120&7150
• DC/DC LNBH26LSPQR 500mA 12V QFN-24 LNB power
IC for 7170
• DECODER SI2167-B22-GMR QFN-48
• AUDIO Amplifier TAS5760LDDCAR 20W TSSOP-48
• EMMC(NAND FLASH)THGBMBG7D2KBAIL16G
BGA-153
• DRAM NT5CB256M16CP-EK 4Gb FBGA-96 for MAIN IC
• DRAM NT5CB64M16FP-DH 1Gb WBGA-96 for FRC IC
• USB HUB GL850G-OHG-31 QFN-28
• HDMI Switch SII9777CLUC LQFP-208
QV15.1E LA Architecture Overview
For details about the chassis block diagrams refer
to Figure 9.1.
7. EN 51
2015-Dec-18