Harman Infinity PHI 2.1 / 230, Руководство по обслуживанию

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Volume
Control
Power Stage
(Philips
TDA8920B),
125 W @ 1%
THD Analog
Input, 2 RCA, 2
Speaker level
PD125 Analog Subwoofer Amplifier
Switch Mode Power Supply
200 W SMPS, 200-264 / 90 –132 V ac input
+ 9 V standby
+/- 15 V liner regulators
+/- 22 V main
125 W @ 1% THD into 4 Ohms
Control PCBA Power PCBA
Phase
Toggle
Switch
2
nd
order
variable
cutoff &
2
nd
order
HP
Limiter
Standby Circuit: mini jack
trigger & toggle switch
disable
SMPS Low Power Standby
Trigger
Input sense
Power
Stage
Standby
Speaker
(4 Ohm)
+/- 15 V
Regulators
+9 V dc, standby
power +/- 22 V dc,
main power
signal
+/- 15 V dc
Infinity PHI / 230 service Manual
Page 15 of 16