12
K2 K3 | SERVICE MANUAL
INDEX
Colour Description Notes
CH 1
CH 2
FAST RECOVERY DIODES
PARALLELED MOSFETS (2X)
1 DIODE + 2 PARALLELED RESISTOR (2X)
Remove the resistors before checking the Diode.
Diodes and MOSFETS are paralleled (Check both)
VOLTAGE REGULATORS
CAPACITORS
4 RESISTORS Sense the channel’s ouput current
LC CIRCUIT - LOW PASS FILTER Break Frequency at 60KHz
LC CIRCUIT - NOTCH FILTER Centered at 192 KHz
LC CIRCUIT - NOTCH FILTER Centered at 576 KHz (3rd harmonic of 192KHz)
PROTECTION FUSES 2 per channel
Output Stage Components
+ Vdc
- Vdc
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