For laptop technicians, hardware enthusiasts, and hardcore modders, the word "schematic" holds a specific weight. It isn't just a manual; it is the DNA of the machine. For owners of the popular Asus ROG Strix GL553V series, understanding the schematic is often the difference between reviving a dead laptop and turning it into an expensive paperweight.
The schematic uses standard ASUS labeling. Understanding these will speed up your diagnosis:
Technicians often use these schematics to solve recurring problems on the GL553V:
Before diving into the specifics of the GL553V, it is essential to understand what a schematic actually is. In the world of electronics repair, a schematic is a technical diagram that uses standardized symbols to represent the electronic components and the connections between them.
This can sometimes be traced to a faulty CPU DrMOS or issues with the battery charging circuit, where the battery LED stays on even when unplugged.
DC_IN → BQ24780S generates VSYS VSYS → +3VA_EC (RT8239A LDO) EC powers up → reads EC ROM EC waits for PWR_BTN# PWR_BTN# → EC sends PM_PWRBTN# to PCH PCH → SLP_S4# → SLP_S3# SLP_S3# → EC turns on +5V, +3V, +1.8V VR_ON → CPU VRM generates VCC_CORE VCC_CORE_PG → PCH releases PLTRST# BIOS CS# asserted → CPU executes from SPI
The Asus GL553V is built around the Intel 6th or 7th Generation Core i5/i7 processors. To read the schematic effectively, you must understand the major blocks:
The Asus GL553V is a robust gaming laptop, but like all electronics, it has common failure points. Without the schematic, repairing these issues is essentially guessing. Here are the primary reasons you need this document:
The Kanshudo kanji usefulness rating shows you how useful a kanji is for you to learn.
has a Kanshudo usefulness of , which means it is among the most useful kanji in Japanese.
is one of the 138 kana characters, denoted with a usefulness rating of K. The kana are the most useful characters in Japanese, and we recommend you thoroughly learn all kana before progressing to kanji.
All kanji in our system are rated from 1-8, where 1 is the most useful.
The 2136 Jōyō kanji have usefulness levels from 1 to 5, and are denoted with badges like this:
The 138 kana are rated with usefulness K, and have a badge like this:
The Kanshudo usefulness level shows you how useful a Japanese word is for you to learn.
has a Kanshudo usefulness level of , which means it is among the
most useful words in Japanese.
All words in our system
are rated from 1-12, where 1 is the most useful.
Words with a usefulness level of 9 or better are amongst the most useful 50,000 words in Japanese, and
have a colored badge in search results, eg:
Many useful words have multiple forms, and less common
forms have a badge that looks like this:
The JLPT (Japanese Language Proficiency Test, 日本語能力試験) is the standard test of Japanese language ability for non-Japanese.
would first come up in level
N.
Kanshudo displays a badge indicating which level of the JLPT words, kanji and grammar points might first be used in:
indicates N5 (the first and easiest level)
indicates N1 (the highest and most difficult)
You can use Kanshudo to study for the JLPT. Kanshudo usefulness levels for kanji, words and grammar points map directly to JLPT levels, so your mastery level on Kanshudo is a direct indicator of your readiness for the JLPT exams.
Kanshudo usefulness counts up from 1, whereas the JLPT counts down from 5 - so the first JLPT level, N5, is equivalent to Kanshudo usefulness level .
The JLPT vocabulary lists were compiled by Wikipedia and Tanos from past papers. Sometimes the form listed by the sources is not the most useful form. In case of doubt, we advise you to learn the Kanshudo recommended form. Words that appear in the JLPT lists in a different form are indicated with a lighter colored 'shadow' badge, like this: .