Circuit Descriptions
7.
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
) and circuit diagrams (see
10. Circuit Diagrams and PWB Layouts
).
Where necessary, you will find a separate drawing for
clarification.
7.1
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
7.1.1
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
7.1.2
QV15.1E LA Architecture Overview
For details about the chassis block diagrams refer
to
.