Sony VPH-722QM Service Manual

SERVICE
July, 1983
Optical
Projection system
Picture tube
Projection lens
Projected picture size
Picture brightness (obtained with a curved screen of gain 12)
Throwing distance
Viewing distance
General
Color system
Resolution
RGB inputs
Test signal
Speaker
Power requirements
SPECIFICATIONS
3 picture tubes, 3 lenses, direct
Projection system
Power consumption
AEP Model
VPH-722QM
Chassis No, SCC-482A-A
VPH-10200M
Chassis No. SCC-483A-A
VPH-722QM/1020QM: 155W (max.)
5.5-inch high-brightness monochrome Dimensions Approx. 508% 258 x 582 mm (wi/h/d)
tubes, with coolant sealed (20 x 101/4 x 2338 inches)
High-performance acrylic lenses with the brackets pushed down, incl. pro-
F 1.0/130 mm jecting parts and controls
VPH-7220M: 72 inches measured Weight Approx. 26 kg (57 Ib 5 oz)
diagonally
VPH-10200M: 100 inches measured Inputs
diagonally
VPH-7220M: More than 130 fL Signal Connector Signal level Remarks
VPH-1 0200M: More than 65 fL Video input [VTR} PAL/SECAM/
VPH-7220M: APPrOX. 2,480 mm 8-pin (pins NTSCINTSC, 43
VPH-10200M Ka Vea ans
- : Approx. 3, mm i
(1323); inches) [VIDEO] Wipieoay | Se negative
VPH-7220M: 3 to 20m BNC
VPH-10200M: 4 to 25m connector
Horizontal frequency: 15.75 kHz
Vertical frequency: 60 Hz
Cross-hair/crosshatch test pattern
generator is incorporated
Approx. 5 x 9 cm (2 x 35g inches), 2 units
—5 dBs
(436 mV rms) |
47 kilohms |
VPH-722QM/1020QM: 220-240V ac,
50/60 Hz
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COLOR VIDEO PROJECTOR
ON Y.