d. Troubleshooting Flowchart - Quick Reference...

First Visual Check

NO SPARK AND SYSTEM DOES NOT WORK

Is power available

at primary?

NO

YES

Determine why

voltage is not

present.

Is 24 VAC available

at transformer?

NO

YES

 

 

Replace

transformer.

Close contacts.

Is 24 VAC present from terminal

THS2 to ground?

 

NO

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are thermostats contacts and limit control contacts closed?

NO

YES

 

 

Check continuity of wiring to determine why voltage does not exist at THS2.

Turn off supply voltage. Check high voltage cable. Is it securely attached to spark transformer?

 

NO

YES

 

 

 

 

 

 

 

 

 

 

 

Correct

Is jumper installed from terminal 5 to ground?

 

 

Install

 

 

 

 

 

 

NO

YES

 

 

 

 

 

 

 

 

 

 

 

jumper

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Open thermostat contacts for 30 seconds.

Close contacts and wait for prepurge (if applicable)

period. Is spark now present?

NO

YES

 

 

Is condition of high voltage cable good (not brittle, burnt, or cracked)?

 

NO

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace

Replace Johnson Control module G760/761

Is spark electrode ceramic

cracked or is electrode

grounded out?

 

NO

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace electrode

assembly.

System was in lockout.

Observe a complete operating cycle to determine why control locked out.

37

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ADC AD-360X2 manual First Visual Check

AD-360X2 specifications

The ADC AD-360X2 is a high-performance audio component designed for audiophiles and professionals who demand quality and reliability. This digital-to-analog converter (DAC) is engineered to deliver superior sound quality, with an emphasis on precision and clarity.

One of the standout features of the AD-360X2 is its dual DAC architecture, which utilizes two high-end digital-to-analog chips to ensure a pristine audio output. This design not only enhances the audio resolution but also minimizes noise and distortion, resulting in a richer listening experience. The device supports high-resolution formats, including DSD and PCM, enabling users to enjoy their music in the highest quality available.

The AD-360X2 also boasts a wide range of connectivity options, allowing it to interface seamlessly with various audio devices. It includes USB, optical, and coaxial inputs, making it compatible with computers, CD players, and digital media players. This versatility means that users can easily integrate the AD-360X2 into their existing audio setup, enhancing their overall experience.

Another impressive characteristic of the AD-360X2 is its built-in headphone amplifier. This feature allows users to connect their headphones directly to the unit, providing an optimized listening experience without the need for additional equipment. The headphone amplifier is designed to drive a wide range of headphone impedances, ensuring compatibility with everything from high-impedance studio headphones to more consumer-oriented options.

Additionally, the AD-360X2 integrates advanced clock technology to enhance timing accuracy. The precision clock circuit works to reduce jitter, which is often a major source of distortion in digital audio systems. By ensuring that the signal is processed with impeccable timing, the device further elevates audio quality.

User-friendliness is another significant aspect of the AD-360X2. The device features a straightforward control interface, with an easy-to-read display that provides real-time information about the audio being played. This simplicity ensures that both novices and seasoned audio enthusiasts can operate the device with ease.

In conclusion, the ADC AD-360X2 is an exemplary digital-to-analog converter that combines high-end audio performance with user-friendly features. Its dual DAC architecture, extensive connectivity options, built-in headphone amplifier, and advanced clock technology make it a standout choice for anyone seeking to elevate their audio experience. Whether for personal use or professional applications, the AD-360X2 is engineered to meet and exceed the expectations of discerning audio lovers.