Tap to Call: 818-726-7227
Three Convenient Service Options
We offer multiple ways to get your Marantz PM-10 repaired: Walk-in, pickup & delivery, or ship to us. Choose the option that works best for you!
Walk-in Service
Bring your Marantz PM-10 directly to our Burbank repair center for same-day assessment.
Perfect for: Local customers, urgent repairs
No appointment needed during regular business hours!
Call ahead: 818-726-7227
Pickup & Delivery
Local pickup and delivery service available in the Burbank area for your convenience.
Perfect for: Busy professionals, those without transport
Call to arrange: 818-726-7227
Ship to Us
Ship your amplifier to us from anywhere in the country for expert repair service.
Perfect for: Out-of-area customers, collectors
Start your repair online:
Start Repair Online
Questions? Call: 818-726-7227
Common Marantz PM-10 Component Failures & Solutions
With over 30 years of specialized experience repairing Marantz audio equipment, we've identified the most frequent failure points in the PM-10 Integrated Amplifier. Here are the common issues and our proven repair solutions.
1. Power Supply Failures
Symptoms: No power, intermittent operation, humming/buzzing sounds, protection mode activation.
Components: Failed rectifier diodes, blown fuses, or deteriorated power supply capacitors.
Our Solution: Complete power supply section testing and replacement of failed components with high-quality equivalents.
2. Output Transistor Failures
Symptoms: Distorted audio, one channel not working, overheating, or complete amplifier failure.
Components: Output transistors (2SC5200/2SA1943 or similar) fail due to age, heat stress, or previous repair issues.
Our Solution: Matched transistor replacement with proper thermal compound and bias adjustment.
3. Capacitor Degradation
Symptoms: Humming/buzzing, weak bass response, distorted sound, or power supply instability.
Components: Electrolytic capacitors in power supply and audio sections dry out and fail over time.
Our Solution: Systematic capacitor replacement with high-temperature, audio-grade capacitors.
4. Protection Circuit Issues
Symptoms: Amplifier stuck in protection mode, relay not clicking, intermittent shutdown.
Components: Faulty protection relay, failed relay driver transistors, or malfunctioning protection IC.
Our Solution: Diagnose root cause and replace defective protection components.
5. Input/Output Connection Problems
Symptoms: Intermittent sound, crackling noises, channels cutting in/out, selector switch issues.
Components: Worn selector switches, oxidized RCA jacks, loose internal connectors, or dirty potentiometers.
Our Solution: Cleaning of all contacts, replacement of worn switches/jacks, and Deoxit treatment.
Known Capacitor Failures in Marantz PM-10
Based on our repair history since 1991, these capacitors frequently require replacement in PM-10 amplifiers:
- Main power supply filter capacitors: Often show bulging/leaking after 10-15 years of service
- DC blocking capacitors in the signal path: Cause distortion and frequency response issues
- Small electrolytics near heat sources: Dry out quickly due to thermal stress
- Regulator circuit capacitors: Cause voltage instability when failing
- Protection circuit capacitors: May cause false triggering of protection mode
We replace these with high-quality, low-ESR capacitors from reputable manufacturers like Nichicon, Panasonic, or Elna, specifically selected for audio applications.
Business Hours & Service Options
Monday - Friday: 8:30 AM - 5:00 PM
Saturday: By appointment only
Sunday: Closed
Note: Saturday appointments must be scheduled in advance by calling
818-726-7227.
Service Options Available:
- Walk-in: Monday-Friday during business hours
- Pickup & Delivery: Local Burbank area - call 818-726-7227 to schedule
- Ship to Us: Available year-round - start online
Why Choose Our Repair Service
- Since 1991: Over 30 years of specialized Marantz repair experience
- Genuine Parts: High-quality, appropriate replacement components
- Thorough Testing: Comprehensive testing to ensure proper function and reliability
- Fair Pricing: Clear estimates with no hidden fees
- Multiple Service Options: Walk-in, pickup & delivery, or ship to us
- Expert Diagnosis: Accurate identification of problems to avoid unnecessary repairs
- Flexible Hours: Saturday appointments available for customer convenience
- Convenient Online Start: Begin your repair at techmediagroup.repairshopr.com
- Easy Contact: Call 818-726-7227 or visit our Burbank location
