This document is a service manual released by Victor Company of Japan in 2004, providing information on the precautions, specific service instructions, disassembly, adjustment, and troubleshooting of the Micro Component System MB338.
The JVC UX‑QD9S DVD receiver service manual guides qualified technicians through safe servicing, including detailed safety warnings, part replacement rules, and leakage‑current testing procedures. It covers disassembly steps for the rear cover, side panels, top cover, fan motor, tuner, and cassette mechanism, as well as adjustment and troubleshooting instructions.
Key specifications include a 20 W + 20 W amplifier output at 4 Ω, analog AUX and speaker inputs, a digital optical input, FM/AM tuner, power consumption of 70 W (1.3 W standby), and dimensions of 165 mm × 200 mm × 355 mm weighing approximately 4.6 kg.
| Amplifier Output Power | 20 W + 20 W at 4 Ω (10% THD) |
|---|---|
| Analog AUX Input | 500 mV/47 kΩ (Level 1), 250 mV/47 kΩ (Level 2) |
| Speaker Output | 20 W/4 Ω, Impedance 4 Ω‑16 Ω |
| Digital Optical Input | -23 dBm to -15 dBm |
| Power Requirement | AC 240 V, 50/60 Hz (UN, US only) |
| Power Consumption | 70 W operation, 1.3 W standby |
| Dimensions | 165 mm × 200 mm × 355 mm |
| Mass | 4.6 kg |
The receiver delivers 20 W + 20 W into a 4 Ω load with 10 % total harmonic distortion.
The unit consumes 1.3 W while in standby.