Sanyo PLC-XF47 Service Manual

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CPU : ---- Lamp monitor operation ----
■
The CPU performs an input check by the lamp monitor
pin.
■
When the "H" signal continues 1 second or more con-
tinuously, the CPU judges the state to be abnormal.
■
When it has detected abnormal condition, the CPU
turns off a projector compulsorily. And the CPU sets up
the cooling time for 90 seconds.
■
The projector cannot be turned on during a cooling
time.
NOTE :
■ Lamp Cover Switch
Make sure that the lamp cover is mounted correctly. If not or the lamp cover
removed, the lamp does not light for safety.
Check the boss of the lamp cover and the lamp cover switch (SW902).
SW902 -- open : Abnormality
■ Temperature Switches
When the internal temperature near the lamps reaches near 120ºC, the
temperature switches open and 12V_PFC is not supplied to PFC-Unit.
SW903 - SW906 -- open : Abnormality
■
READY (green) LED indicates lamp monitor operation
LED off: Lamp is being cooled.
LED on: Lamp is being lit or already cooled down.
NOTE :
■ At first, the high-voltage pulse (about 8KVp-p) is generated between the lamp
electrodes to generate glow discharge. Then dielectric breakdown occurs,
finally glow discharge comes to arc discharge.
■ After projector turned on, 30 seconds are required until the light output
stabilizes.
■ After the projector is turned off, the cooling fans operate for 90 seconds to cool
down the lamp and reduce gas pressure inside the lamp.
IC5861
FPGA(NIOS)
IC1882
IC5851
FPGA(I/O)
IC1881
FULL
BRIDGE
FILTER
BUFFER
DOWN
CONVERTER
IGNITION
CIRCUIT
LAMP_RX
BALLAST SW
GND
S5V
LAMP_TX
CONTROL
LAMP
ASS'Y_3
DC INPUT
DC380~400V
CJ4
UNIT_LAMP BALLAST
CJ2
CJ1
1
2
3
4
5
1
2
3
4
5
Output voltage.
No load Voltage Range : DC180 ~ 210V
At Lamp Lighting stability Range : AC 77 ~ 150V
Output Power.
Rated Power Range : 330 9W
Reduced Power Range : 264 ~325.6 9W
LINE
FILTER
BRIDGE
DIODE
ACTIVE
FILTER
THERMAL
PROTECTOR
P_FAIL
DETECTOR
P_FAIL
DETECTOR
P_FAIL_FAN
12V_PFC
P_FAIL_CN3
P_FAIL_CN4
12V_FAN_C
AC INPUT
AC85~264V
L : Abnormality
L : Abnormality
CN3
UNIT_PFC3-4
CN6
CN1
3
5
4
6
7
1
2
8
3
5
4
6
7
1
2
8
PFC_ON/OFF_CN3
PFC_ON/OFF_CN4
GND
BRIDGE
DIODE
ACTIVE
FILTER
THERMAL
PROTECTOR
CN4
1
2
3
12V_FN
P_FAIL
GND
CN5
H : ON
H : ON
H : Abnormality
DC OUTPUT
DC380~400V
DC OUTPUT
DC380~400V
H : Abnormality
H : ON
ASS'Y MAIN
ASS'Y
EXH FANNET
THERMAL SWITCHES
LAMP COVER
SW
K56A
K8U
K8Q
FANNET_2
K26UK26Z K26T
K8W
PRIMARY CIRCUIT
3 1
12VA
+
-
+
-
■ The Lamp Driving Circuit ( example Lamp_3 )
■ When the temperature
around a lamp driver
reaches 85 degrees,
unit lamp ballast will
be shut down and a
lamp monitor signal
changes from L to H .
■ When the output volt-
age reaches abnormal
voltage (exceeds AC
130V), unit lamp ballast
will be shut down and
a lamp monitor signal
changes from L to H.
Troubleshooting
● Lamp Abnormality

Sanyo PLC-XF47 Specifications

General

Vertical scan range	48 - 120 Hz
Horizontal scan range	15 - 120 kHz
Projection technology	LCD
Contrast ratio (typical)	2000:1
Screen size compatibility	40 - 600 \
Projector native resolution	XGA (1024x768)
Keystone correction, vertical	80 °
Keystone correction, horizontal	40 °
I/O ports	Analog (D-sub15), Serial in & Serial out (D-Sub 9 x 2)
Video out	UXGA, SXGA+, SXGA, WXGA, XGA, SVGA, VGA, MAC
Resolution	2359296 pixels
Aspect ratio	4:3
RS-232 ports	1
Dimensions (WxDxH)	581 x 815.5 x 251.5 mm
Power requirements	200-240 V AC 9.7 A Max, 50 / 60 Hz
Connectivity technology	Wired
Lamp type	NSH
Lamp power	330 W
Light source type	Lamp
Dot clock scanning frequency	230 MHz
Serial interface type	RS-232
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Power consumption (typical)	1700 W

Weight and Dimensions

Weight	36500 g