Sony KV-HR36M31 Service Manual page 8

+B OCP
+B
OVP
V-STOP
A m
LOW-B ERROR
13-STOP
LV. D. T.
AUDIO PROT
HV-PROT
Z DET
If the ICY01 Pin 1 1 (+B OCP DET) is h g h 2 seconds, turn AC-REl.AY low (P-OFF) and make STAVDBY
LEU hlinks twice.
If the IC701 Pin 15 (+B OVI' DET) is high 2 seconds. turn AC-FGLAY low (P-OFF) and make STANDBY
LED blinks three times.
If the return data Bit0 (VNG) from CXA2150Q is "1" while 2 seconds. turn AC-RELAY low (P-OFF) and
inakc STANDBY LED blinks four times.
If the return data Bit2 (IKREF) Erom CXA2 1SOQ is "0" and there is no chanze for 20 seconds, make
ST.4,XDBY LED blinks five times.
At this time, AC-RELAY continues to high.
If the IC701 Pin 69 (AC-RELAY) is high and the Pin 43 (LOW-B ERfiOR DET) is low while 5 seconds.
turn AC-RELAY low (P-OFF) and make STANDBY LED blinks six times.
If the return data Bit1 (HNG) from CX42170 is "1" while 2 seconds, turn AC-RELAY low (P-OFF) m d
make STANDBY LED blinks seven times.
Obsenies the watch dock timer (BUS COMMLWIC!iTION ERROR DET) bus communication. If errors are
detected, counts up and reform the bus communication and displays the number of time.
(No LED blinking).
In case of
P i n 85 of ICSOl (AUDIO PROT DET) turns high 60msec twice at a time. makes AC-RELAY
turns low (Power off) and STANDBY-LED blink 8 rimes.
In case of Pin 33 of IClOl (HV-PROT DET) Lurns high 10 seconds conrinuously in normal operation or in
BS fixed Stand-by, makes AC-RELAY turns low (Power off) and ST,L\NDBY-LED
blinks 10 times.
There are two causes for Zero Cross Error.
?Jormally the pulse doubled AC power supply frequeny is fed to Pin 8 of ICIOS. But in case of the
abnormal pulse is fed.
it
makes AC-RELAY turns low (Power offj and STAYDBY-LED blinks 9
times.
Jii
this case, "1" is nor displayed in '9. Z DET' column in the self-diagnosis mode.