SOS Information
[POWER Indicator nine blinks]
Communication error between Peaks (IC8001) and TV microcontroller (IC6004) detection circuit
[LAMP Indicator two blinks]
Lamp does not light up detection circuit
[LAMP Indicator three blinks]
Lamp failure detection circuit
[LAMP Indicator four blinks]
Abnormal Lamp temperature detection circuit
[LAMP Indicator five blinks]
Lamp communication error detection circuit
[LAMP Indicator thirteen blinks]
Abnormal Lamp input voltage (+28V) detection circuit
+12V
Abnormal voltage (LCD+17V line) detection circuit
[POWER Indicator ten blinks]
SOS: 0V on LCD+17V line
MAIN P.C.B.
POWER P.C.B.
IC6004 (TV MICROCONTROLLER)
LCD+17V SENS
10
LCD+17 V
SUB+5 V
+17V
CN1101
CN1003
9
9
Normal
SOS
MAIN P.C.B.
POWER P.C.B.
RF AMP POWER
SUPPLY P.C.B.
LAMP UNIT
IC6004 (TV MICROCONTROLLER)
LAMP ON (H)
88
CN6005
2
LAMP TXD
66
1
LAMP RXD
LAMP ON (H)
LAMP TXD
SUB+5V
LAMP RXD
+28V
GND
AC IN
AC IN
67
7
3
RL802
Q806
AC LINE
FILTER
AC LINE
FILTER
F801
8A/125V
TV SUB ON (H)
AC IN
Q6018
Q6005
Q6008
Q6017
Normal
SOS
MAIN P.C.B.
PANEL STATUS (SOS (L))
IC6004
(TV MICROCONTROLLER)
13
IC8001 (PEAKS)
PANEL STATUS (SOS (L))
G1
1
2
CN851
CN1
CN151
TEMPERATURE
SENSOR
+28V
GND
PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
15