![background image](http://html.mh-extra.com/html/panasonic/kx-hcm280/kx-hcm280_service-manual_277559064.webp)
(IC701).
3. JPEG (IC701) synchronizes the data to the falling edge of n VSYNC
(start of 1 screen), and then accumulates the data from VIDEO-I/F
in the Image buffer of DRAM (IC702).
4. The image data accumulated in the Image buffer of DRAM (IC702)
is read out to JPEG CODEC, and then JPEG-compressed by pixel.
5. The compressed data is stored in the CODE buffer. The data is
read out of the FIFO, and written into SDRAM (IC103) by DMAC in
the CPU.
14.1.4. Power Block (Main Board, I/O Board, Tilt Board)
The Power Block generates the power used in each part.
14.1.5. I/O Terminal Block
I/O Terminal (CN11) (On the I/O Board)
Terminal Structure: Power Supply (12V DC 100mA), GND, Input (Connect Point), Output (Open
Collector)
The input and output terminals are controlled by the CPU (IC101) port via Q11 and Q10.
14.1.6. Interfacing to the External I/O
The Alarm mode in the Image Transfer feature requires the external sensors/devices to be
connected to the External Sensor Input of the External I/O. Certain features of this Network
Camera can be activated by an external sensor that senses physical changes in the area the
Network Camera is monitoring. These changes can include motion detection, or a physical
change in the monitored area. The external sensor can also be a door switch or an infrared
motion detector. These devices are customer provided, and are available from dealers who carry
surveillance and security products. Electrically, they must be able to provide a momentary
contact closure.
Explanation of External I/O
64
Summary of Contents for KX-HCM280
Page 1: ...ORDER NO KMS0301664C1 F5 Network Camera KX HCM280 for U S A 1 FOR SERVICE TECHNICIANS 1 ...
Page 15: ...2 Make a hole for a cable 3 Fix firmly the Ceiling Plate A on the bottom of Network Camera 15 ...
Page 20: ...1 Remove three Screws C And remove the Cabinet Cover 20 ...
Page 21: ...2 Remove the Screw B1 And remove the I O Board 21 ...
Page 27: ...5 Remove the Tilt Block Ass y Camera Unit 6 Remove four Screws A1 And remove the Tilt Gear 27 ...
Page 35: ...9 7 CCD UNIT 1 Affix the LPF CCD Rubber and CCD Board in that order to the 35 ...
Page 41: ...11 TROUBLE SHOUTING 11 1 STARTUP OPERATION 11 2 LED CIRCUIT CHECK 41 ...
Page 42: ...11 3 LAN BLOCK CHECK 11 3 1 Green Lamp 42 ...
Page 43: ...11 3 2 Orange Lamp 1 43 ...
Page 44: ...11 3 3 Orange Lamp 2 44 ...
Page 45: ...11 4 IMAGES BLOCK CHECK 45 ...
Page 46: ...46 ...
Page 47: ...11 5 TILT BLOCK ASSY CAMERA UNIT CHECK 47 ...
Page 48: ...48 ...
Page 49: ...11 6 LENS PCB CHECK 49 ...
Page 50: ...50 ...
Page 51: ...11 7 OTHER OPERATION CHECK 11 7 1 PAN Operation Check 51 ...
Page 52: ...11 7 2 TILT Operation Check 52 ...
Page 53: ...11 7 3 ZOOM Operation Check 53 ...
Page 54: ...11 8 POWER SUPPLY BLOCK CHECK 54 ...
Page 55: ...55 ...
Page 76: ...CPU PIN LIST 76 ...
Page 82: ...82 ...
Page 84: ...15 3 1 Description of Pins Functions 84 ...
Page 88: ...88 ...
Page 97: ...15 6 IC702 97 ...
Page 98: ...98 ...
Page 101: ...101 ...
Page 103: ...103 ...
Page 105: ...40 C_OUT Analog Power Supply 3V 105 ...
Page 113: ...113 ...
Page 119: ...18 CABINET AND ELECTRICAL PARTS LOCATION 119 ...
Page 120: ...19 ACCESSORIES AND PACKING MATERIALS 120 ...
Page 147: ...23 12 I O BOARD BOTTOM VIEW A KXHCM280 147 ...
Page 148: ...A1 A3 B A2 C D E F1 F2 ...
Page 149: ...H1 H2 H3 G1 G2 G3 L J I1 I2 I3 I4 K 100BASE TX 10BASE T Pan Scan ...
Page 150: ...N M O1 O2 O3 O4 P1 Q1 R1 Q2 P2 R2 Q3 P3 Q4 ...
Page 151: ...S1 T1 U1 U2 S2 T2 U3 V1 V2 W ...
Page 152: ...Y1 Y3 Y4 Y2 X4 X1 X2 X2 X6 X3 X3 X5 ...
Page 153: ...Z4 Z1 Z2 Z3 ...
Page 163: ...IC1101 7 1 8 14 KX HCM280 CCD BOARD BOTTOM VIEW ...