Smps Stb Board - NAD M22 Service Manual

TNY274

SMPS STB BOARD

BYPASS/
MULTI-FUNCTION
(BP/M)
115 μ A 25 μ A
ENABLE
1.0 V + V T
ENABLE/
1.0 V
UNDER-
VOLTAGE
(EN/UV)
LINE UNDER-VOLTAGE
FAULT
PRESENT
AUTO-
RESTART
COUNTER
RESET
6.4 V
JITTER
CLOCK
DC MAX
OSCILLATOR
OVP
LATCH
+
BYPASS
-
CAPACITOR
5.85 V
SELECT AND
4.9 V
CURRENT
LIMIT STATE
MACHINE
THERMAL
SHUTDOWN
S Q
R Q
9
REGULATOR
5.85 V
BYPASS PIN
UNDER-VOLTAGE
V I
LIMIT
CURRENT LIMIT
COMPARATOR
-
+
LEADING
EDGE
BLANKING
DRAIN
(D)
SOURCE
(S)