Sanyo PLC-XC50 - System Control

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Chassis Block Diagrams
POWER
LAMP BALLAST
IC001
AUDIO-OUT
<TPA3123>
IC5001
AUDIO-CONTOL
<NJW1156>
RC RECEIVER
POWER SUPPLY
SW901 LAMP COVER SWITCH
P.F. CONTROL
SP901
SPEAKER
MUTE
LAMPDC_ON
RC
MAIN
Q6842
R/C
IC9882
INVERTER
<HD74LVC14T>
3
4
ON:H ON:H ON:H
ERROR:H
P-ON:H
P.Fail:L
ON:H
6
2 1
4
Mute On:H
Mute On:H Power On:H
Power On:L
L/R
VOLUME
POWER_LED
BLAST_AC
BLAST_AC
FAN_ERR
TEMP_LED
ON_33V
ON_150V
346 284 184 11
LAMP_DET
285 201
ON_50V
269 110
READY_LED
P_FAIL
215
FAN_SW1
FAN_SW1
185
Power On:H
LAMP_DC_ON
89 91
CHO_TXD
CHO_RXD
CHO_TXD
CHO_RXD
MUTE
KEY1
295 26 92 28
KEY2
126
POW_KEY
R/C-PW
SCL1/SDA1
SCL2/SDA2
268 214 211,294
SCL0/SDA0
293,212 290,208
FAN_CON_A
30
FAN_CON_B
128
IC301
SYSTEM CONTROL
Q6843
D6833
Q037
Q6841
ON:H
LAMP_LED
Q6844
D6831 D6832
LAMP REPLACE
WARNING
POWER
IC4891
NAND
2
13
1 10
IC9882
INVERTER
K8R K6R
K8S
2 1
K8H
4 5 1
K8D K8T
3
S3.3V
Q6861
FAN
CONTROL
CIRCUIT
KEY SWITCH
SCL2_5V/SDA2_5V
2
K8F
1 3
S1.8VD_PW
ON:H
Q6862
LAMP_DET
ON:H
FILTER_LED
Q6845
D6834
AMF
FAN_CON_C
373
SIRST
90
DVI_HPD
183
SIPD
474
IC8001
DVI-RECEIVER
<SiI7169>
DVI
WINDS SENS
29
K8C
2
S901
Winds Velocity Sensor
2
Q036
182
SD ON: H
AV_SHUTDOWN
345
FILTER_COUNT
154
K8G
3
PRESS_SENS
29
MOTOR_STEP
200
K8N
FILTER_DET
296
K8E
1
2
K18X
IC4811
PRESSURE_SENSOR
IC5541
MOTOR DRIVER
NJM2671
IC 1889
HALL SENSOR
M
M901
MOTOR
SW903 FILTER_SW
IC3851 G-Sensor <MXA2500>
127, 216
1, 5
7
READY
Q5036
System control