Now I'd like to start the briefing on the Q1 of FY March 2023. Please turn to page 1 of the presentation material. Here we are showing the highlights of the Q1 results. Even though we were impacted by the lockdowns in China and the semiconductor procurement difficulties, helped by the foreign exchange rates, the revenue increased year-on-year. As for the core operating profit, the cost increases were more than offset by the price optimization. Due to the decline in the actual sales and the limited impact of the exchange rate on the profit, it decreased year-on-year. In the previous year, we enjoyed very good performances during the Q1 because the production activities were recovering with less impact of the COVID-19, and we were not yet impacted much by the semiconductor shortage.
In fact, Musical Instruments and Audio Equipment businesses achieved the record high sales and profits a year ago. Compared against that, we suffered a decline in both the actual revenue and the core operating profit. Regarding the full year outlook, as we revised the assumption for the U.S. dollar exchange rate, the revenue is expected to increase sharply, but the impact on the profit will be limited. Factoring in the prolonging lockdown in China, we are now forecasting the actual revenue to be slightly lower than the previous projection. The procurement cost and energy cost have been rising, but we will continually try to offset them through the price optimization. Next, please turn to page 3. Here are the numerical results for the Q1. The revenue was JPY 105.9 billion. The core operating profit was JPY 11 billion.
The profit ratio was 10.4%, and the net profit was JPY 8.6 billion. As you can see, the profit decreased year-on-year, but the revenue increased. However, excluding the exchange rate impact, the actual revenue also decreased by 5.9%. As for the net profit, there was a gain from selling the land in the previous year, but we did not have such an extraordinary factor this year. Moving on to page 4. Here we are showing a year-on-year core operating profit comparison. In the previous year, the core operating profit was JPY 13.4 billion, but it turned out to be JPY 11 billion this year, declined by JPY 2.4 billion. To give you the breakdown, the foreign exchange rates contributed well, but various costs were rising.
A bar for the increase in sales and production and model mix may seem to be missing, but let me explain the reason why. While various costs were rising, we worked on price optimization and thereby absorbed the impact. Since we also faced a decline in the actual revenues, as I've been saying, they offset each other and the net impact became zero, so we did not describe the bar for the sales and production. In any case, we have minimized the cost increase impact through the price optimization. Now page 5 shows the results by each business segment. The Musical Instruments achieved a revenue of JPY 73.4 billion, the core operating profit of JPY 9.6 billion, and the profit ratio of 13%. This segment achieved year-on-year increase in revenue and decrease in profit.
When you consider the exchange rate impact shown on the right, it was actually a decrease in both the revenue and profit. The Audio Equipment had a revenue of JPY 22.8 billion and the core operating loss of JPY 0.4 billion, so the segment fell into the red. Now I need to explain this, so please note the exchange rate impact on the right. In the Audio Equipment business, the US dollar-based cost is greater than the dollar-based sales. In the face of the dollar appreciation and yen depreciation, the foreign exchange rate would negatively impact the profit. Including the negative Forex impact of JPY 0.3 billion, the segment revenue and profit declined sharply year-over-year.
The industrial machinery and components, IMC business and others, achieved a revenue of JPY 9.8 billion, the core operating profit of JPY 1.8 billion, and the profit ratio of 18.5%, which shows an increase in both the revenue and profit. Moving on to page 6, I'd like to talk about the full year outlook. We are forecasting the revenue to be JPY 460 billion, the core operating profit to be JPY 50 billion, the profit ratio to be 10.9%, and the net profit to be JPY 37.5 billion, which will be a year-on-year increase in both the revenue and profits. Even excluding the impact of the exchange rate, we are expecting to achieve a 5.2% revenue increase.
Now, since there has been drastic foreign exchange rate fluctuations, to answer the question raised by many investors, we also describe the currency sensitivity per JPY 1 difference. Page 7 shows the core operating profit analysis in a comparison against the previous year. It was JPY 43 billion in the previous year, and we're expecting this to be JPY 50 billion this year, with an increase of JPY 7 billion. One of the contributing factors will be the exchange rate impact, which is JPY 4.3 billion. Meanwhile, various costs are expected to rise, but even after reflecting such negatives, the increase in sales and production and model mix will be JPY 14.1 billion, partially boosted by the price optimization. Since such an increase is expected to be substantial, we're expecting the JPY 7 billion increase of profit year-on-year.
Now, as for the difference from the previous projection, there is none for the total profit, as we kept the initial projection of JPY 50 billion. There will be an uplift of JPY 3.7 billion from the exchange rate impact, but various costs are rising, in the meantime. Although some of that cost increase will be absorbed by the price optimization, we are now anticipating the revenues to be slightly lower than the initial projection. We are assuming a negative impact of JPY 0.7 billion from the decrease in sales and production and model mix. On page 8, you can see the full year outlook by each business segment. The Musical Instruments projected revenue is JPY 315 billion. The core operating profit is JPY 43 billion, and the profit ratio is 13.7%.
The Audio Equipment's projected revenue is JPY 105 billion. The core operating profit is JPY 3 billion, and the profit ratio is 2.9%. The IMC business and others projected revenue is JPY 40 billion. The core operating profit is JPY 4 billion, and the profit ratio is 10.0%. For each one of the segments, since we revised the foreign exchange rate assumptions, the revenue forecasts were revised upward from the previous projection, but we did not change the profit forecast for any of the segments. Since we have only seen the Q1 results so far, and we may get impacted by various factors hereafter, we decided not to change the profit forecast for the moment. Please turn to page 10. From here on, I'd like to give you the details of each segment.
First, the Musical Instruments segment revenue declined in the Q1 due to the impact of lockdowns in China. The sales of the pianos and the Digital Musical Instruments decreased due to the lockdowns in China. The Guitars sales decreased as a whole, despite the double-digit growth in China. The demand for the Wind, String, and Percussion Instruments remained robust and the sales increased, especially in North America. In North America, there was a governmental subsidy given to the school music activities, and that boosted the growth of the Wind, String, and Percussion Instruments. Per each areas, the sales were brisk in North America and other regions, but it fell sharply in China. In Europe, the demand declined slightly for the entry models, including the Keyboards and Guitars. As for the full-year projection, we are expecting the supply to recover and all the regions to achieve higher sales.
The pianos are expected to achieve the same level of sales as the last year due to the impact of lockdowns in China. All the rest of the categories are expected to achieve higher sales year-on-year. The impact of the semiconductor procurement difficulties are beginning to ease, and the supply is expected to improve. The numbers are as shown here. As for the revenue in the Q1, as you can see in red letters, it was 97% of the previous year, which means down by 3%. Yet, for the full year, we are expecting an increase of 6% year-on-year. Next, on page 11, you can see the breakdown of the revenues by major product categories for each quarter. First of all, please note the piano's results in the Q1 of FY March 2022, i t grew 72% year-on-year.
The digital musical instruments also grew 27% during the same period. As I said earlier, the performances were very good during the Q1 of last fiscal year, and that is evident from these numbers too. In contrast to such results last year, the piano saw a drop of 24% in the Q1 this year. It was mainly due to the impact of lockdowns in China and also due to the extra high comp in the previous year. As a result, it turned out to be 76% of the previous year, but we are expecting the full year sales to be the same level as the previous year. As for the digital musical instruments, the sales dropped 6% year-on-year, but we're expecting it to increase 6% for the full year.
The Wind, String, and Percussion Instruments achieved a 31% increase year-on-year in the Q1, reflecting the strong performances of this category in the United States. The full year growth is expected to be 18%. The Guitar sales decreased by 3% in the Q1, but is expected to increase by 11% in the full year. Next is the revenue breakdown by regions. In Japan, the sales dropped 7% in the Q1, but the full year growth will be 1%. Since the supply shortages of the mid and high-end models were still affecting us, even though we are now increasing the inventory, we were still behind our plan in the Q1. North America has been doing very well, especially driven by the Wind, String, and Percussion Instruments. All the other categories were also performing well.
Therefore, 27% increase was achieved in the Q1 and 15% increase is expected for the full year. Now Europe saw a decline of 3%. As I said earlier, the entry model market has been softening a little and therefore the sales dropped 3% year-on-year, but we are expecting a growth of 6% for the full year. In China, due to the lockdowns, we faced very severe situations in the Q1. Thus, the sales dropped 33%, but we are expecting a 5% increase full year. As for the other regions, the Q1 sales grew 5% and the full year growth is expected to be 3%. However, since we are unable to ship to Russia and Ukraine, that volume has been lost completely. Considering that, the performances were not so bad.
The next is the audio equipment as shown on page 13. The Q1 sales declined as the impact of semiconductor procurement difficulties continued. The AV and PA sales decreased as the semiconductor supply shortages continued to affect these categories. By the way, it was the same for the musical instruments too, but all of these comments are on the local currency basis. The ICT continued to enjoy healthy demand for the network devices, but since the extra strong demand for the conference systems peaked out, the category sales decreased year-on-year. As for the full year, although the semiconductor procurement difficulties will continue, the sales are expected to be higher than the last year. Yet the AV products are likely to be affected by the semiconductor shortage and the outlook is still grim, so we are projecting a sales decline.
PA equipment will also see some impact of the semiconductor shortages, but since the situation is improving a little and since the market is recovering, we are forecasting higher sales. The ICT equipment is enjoying the strong demand for network devices, so the full year sales are expected to rise. As for the figures, the Q1 revenue was down 14% year-on-year, but it is expected to increase 2% for the full year. Now moving on to the next part. Please turn to page 14. Here is the revenue breakdown by major product categories. The AV products were already suffering from a severe situation in the previous year, but it is continuing and getting worse. The Q1 sales dropped 27% year-on-year, and it is projected to be 8% lower in the full year too.
The PA equipment had achieved 42% increase in the previous year's Q1, driven by a great recovery of the shipment. Compared against that, this Q1 was down 9% and the full year is expected to be 6%. It is likewise for the ICT equipment. The previous year's Q1 had achieved a 68% increase year-on-year. In a comparison against that, this year's Q1 was down 14%, but for the full year, we are expecting a good 20% increase. The next page shows the regional breakdown. In Japan, the Q1 resulted in a 13% decline, but the full year growth is expected to be 6%. This is because the main market for the ICT equipment is Japan, and we are expecting the contribution to be greater in the full year.
North America saw a decrease of 7% because of the sluggish AV products, and the full year growth will be 1%. Europe was down 18% in Q1 and will be down 1% in the full year. China was down 45% in Q1, but it will be up 12% full year. The other regions were down 4% in Q1 and will be down 4% in the full year. Again, the impact of no sales in Russia and Ukraine are included in here. Moving on to page 16 for the IMC business and the other segment. In the Q1, due to the reduced production on the corporate customer's side, the sales of our electronic devices, automobile interior wood components, and factory automation equipment all declined. For the full year, we're expecting recovery in the sales of automotive-related products and factory automation equipment.
The segment revenue in the Q1 declined 4%, but we expect this to be higher by 7% in the full year. Now please move on to page 18. Here is the balance sheet summary. As of the end of this June, the total liabilities and equity was JPY 577 billion, and the total equity was JPY 430.3 billion. We are showing the difference from the end of March, and you can see that the cash balance decreased very much. This is because we sold a portion of Yamaha Motor's shares in the previous year, and the corporate tax for the gain was not yet paid as of the March end, but we paid it during the Q1, so the cash balance declined. Moreover, the inventory also increased a little, and that is another reason for the cash balance decrease.
Speaking of inventory, it increased by JPY 18.1 billion, including some foreign exchange impact. The increase was driven by both the finished products and the work in process. The current liabilities decreased by JPY 17.5 billion as we paid the corporate tax that I mentioned earlier. As for the increase of the total equity, it was partially due to the increase of the shareholders' equity, but it was more due to the foreign exchange adjustment gains. Since the yen has been depreciating, we had substantial extra gains. Regarding the BS forecast at the end of March 2023, the total liabilities and equity is expected to be JPY 605 billion. It may seem like a big increase, but the initial plan has not been changed much.
Only because we changed the foreign exchange rate assumptions, the total liabilities and equity will be expanded largely. Moving on to page 19, the capital expenditure and depreciation have not changed from the initial plan. I would also like to touch on some recent topics, so please turn to page 21. There are two ESG topics as shown here. One of them is the promotion and development of music culture. In Egypt and Brazil, we have been engaged in a project to introduce instrumental music education, and it was certified by Japan's Ministry of Education, Culture as the 2022 EduPort Japan supported project to introduce Japanese-style education abroad. The one on the right is our inclusion in the ESG indices. Japan's GPIF is adopting five major ESG investment indices, and Yamaha has been newly selected for the second one, FTSE Blossom Japan Sector Relative Index.
With this, Yamaha is now included in all of the five major indices adopted by GPIF. Finally, I'd like to refer to one more thing regarding the governance. It was included in our midterm plan, but it is about the compensation of directors and officers. It is composed of the fixed compensation, which is 50%, and the bonus linked to results, which is 30%. There is also a compensation by shares with a restriction on transfer, which will be provided every three years at the beginning of a midterm plan, and this is 20%. This restricted stock compensation was previously linked to only the financial target, but it will also be linked to non-financial targets and TSR from here on.
With this revision, we made sure that the directors and officers will be more mindful about the non-financial targets and sustainability of the business. That was all for the briefing on the Q1 results and outlook. Thank you very much.