Summary of the content on the page No. 1
COLOR VIDEO CAMERA
DXC-190
SERVICE MANUAL
1st Edition
Summary of the content on the page No. 2
! WARNING This manual is intended for qualified service personnel only. To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel. ! WARNUNG Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt. Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden. Um die Gefahr eines elektrischen Schlages, F
Summary of the content on the page No. 3
Table of Contents Manual Structure Purpose of this manual .............................................................................................. 5 Related manuals......................................................................................................... 5 1. Operating Instructions 2. Service Overview 2-1. Removal of Filter Block ASSY................................................................... 2-1 2-2. Initial Switch Setting ...........................................
Summary of the content on the page No. 4
4-4. Camera Adjustment ..................................................................................... 4-4 4-4-1. Setting up the Prepare for Adjustment Mode ............................. 4-4 4-4-2. SYNC Level Adjustment ........................................................... 4-5 4-4-3. Burst Level Adjustment ............................................................. 4-5 4-4-4. SET UP Adjustment ................................................................... 4-5 4-4-5. 0 dB Adjus
Summary of the content on the page No. 5
8. Schematic Diagrams Frame Wiring .............................................................................................. 8-2 BI-135 ......................................................................................................... 8-2 CT-194 ........................................................................................................ 8-2 FC-75........................................................................................................... 8-2 IR-29 ..........
Summary of the content on the page No. 6
Summary of the content on the page No. 7
Manual Structure Purpose of this manual This manual is the Service Manual of the color video camera DXC-190. This manual contains the operating instructions, service overview, operational description, electrical alignment, spare parts, semiconductor pin assignments, block diagrams, schematic diagrams and board layouts. Related manuals In addition to this Service Manual, the following manuals are provided for this unit. ..... Operating Instructions (Supplied with the DXC-190) This manual is requi
Summary of the content on the page No. 8
Summary of the content on the page No. 9
Section 1 Reprinted from the Operating Instructions operating instructions 3-205-662-11 (1) Owner’s Record The model and serial numbers are located on the top. Record these numbers in the spaces provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this product. Model No. Serial No. Color Video Camera W ARNING To prevent fire or shock hazard, do not expose the Operating Instructions unit to rain or moisture. Before operating the unit, please read these instruc
Summary of the content on the page No. 10
English Location and Function of Parts Features Top/Front/Side Illustration A This DXC-190 color video camera is equipped with a 1/2type Exwave HAD™* (Exwave Hole-Accumulated Diode) CCD (Charge Coupled Device), 1 Flangeback adjustment ring and locking screw and also has the following features: Use this ring to adjust the flangeback (the distance between the lens • High sensitivity (Minimum illumination: 0.8 lux, F 1.2) mounting plane and the image plane). • CCD-IRIS function Use the locking scre
Summary of the content on the page No. 11
C CS CS C qg Auto-iris lens selection switch (DC/VIDEO) B Switch for selecting the control signal for the auto-iris lens. DC: For auto-iris lenses controlled by DC signals VIDEO: For auto-iris lenses controlled by video signals Notes qk ql w; • When the DC/VIDEO switch is set to VIDEO, the backlight compensation function may not work properly. • When the DC/VIDEO switch is set to VIDEO, “hunting” may occur. If this occurs, use the LEVEL L/H adjustment screw on the lens to change the DC IN.VS IN
Summary of the content on the page No. 12
Installation Connections Suitable lenses D Using a DC 12 V power supply The lens must be either a C- or a CS-mount type of less than 1 kg. The Set the MODE switch (mode change switch) to B. When the connections protrusion behind the mounting surface must be within the following limits: have been made, set the DC 12 V power supply switch to ON. 1 C-mount lens, 2 9 mm or less, 3 CS-mount lens, 4 4 mm or less Notes • To prevent short circuits, do not let the exposed ends of the mains lead wires tou
Summary of the content on the page No. 13
Phase Adjustment F When using more than one camera, adjust the phase according to the 1 4 following procedure. Horizontal phase (VS/VBS lock mode) The picture may shift horizontally when using an extended cable. Use the PHASE volume to adjust the horizontal phase. CCD Characteristics The following conditions may be observed when using a CCD camera. They are not due to any fault within the camera. 3 Vertical smear This phenomenon occurs when viewing a very bright object. Patterned noise 25 This i
Summary of the content on the page No. 14
Summary of the content on the page No. 15
Section 2 Service Overview 2-1. Removal of Filter Block ASSY 1 Four Screws (+B2 x 4) 2 Remove the solder Point 3 Filter Block ASSY BI-135 Board 2-2. Initial Switch Setting [|||||||] : factory setting SW405 AGC OFF ↔ [AGC] TURBO NORM ↔ [TURBO] ... Rear panel (CT-194 Board) BLC OFF ↔ [BLC] .. SW501 DC12V [OFF] ↔ ON SHUTTER [OFF] ↔ SHUTTER SW502 MODE A ↔ [B] WHT BAL A [0] ↔ 1 B [0] ↔ 1 ... Side panel (FC-75 Board) SHARP [NORM] ↔ SHARP .. SW401 AUTO-IRIS [VIDEO] ↔ DC SC PHASE [
Summary of the content on the page No. 16
2-3. Compensation of Residual Point Table : Key Map of RM-95 Noise KEY Function FOCUS Compensation Set Mode Switch Description: REC REVIEW Switch-over of Setting If an accrued white dot (Residual Point Noise) of the CCD PAUSE Save of Setting is visible, compensate it. However, the compensation is limited up to two points. REC Selection of Compensation Element (1 element comp. 2 elements comp.) AUTO/MANU Display of a presently set point blinking. Tools Required: PLAY Marker moves upward. Remote C
Summary of the content on the page No. 17
Section 3 Operational Description 3-1. BI-135 Board (IC212-47 pin) is reflected to the internal subcarrier VCXO (near X203) through LPF at The signal (IC101 pin 10) output from the CCD imager the IC219 periphery. Also, sync source signal (IC101) passes through the buffer (Q101), and it is output is entered to the IC212-60 pin to comprise to the PR-229 board from CN101 pin 2. H1, H2, and V1, VReset/H-PLL. Sync detection is done by V2, V3, V4 pulses are CCD drive pulses supplied from the IC232
Summary of the content on the page No. 18
3-4. FC-75 Board (1) Auto iris DC servo circuit IC401 controls the lens drive signal according to the illuminance of the subject. SW401 switches VS servo and DC servo. (2) Various function select switches DIP switch (SW405), rotary switches (SW403, 404), slide switch (SW401), and tactile switch (SW402) are arranged. 3-5. IR-29 Board A noise filter and auto iris lens connector are arranged on this board. 3-6. CT-194 Board Input/output pins, control switches, and variable resistors for adjustme
Summary of the content on the page No. 19
Section 4 Electrical Alignment 4-1. Preparations 4-1-1. Equipment Required J-6029-140-B Pattern Box PTB-500 J-6020-250-A Color Bar Chart . For color adjustment . Light source for test chart YI CY G W Mg RB J-6431-100-A Vectorscope Scale J-6082-053-B Remote Commander, RM-95 . For color adjustment . RM-95 partly converted R-Y MG R 5600K J-6431-100-A YL WB B-Y B CB CY G Copy the last page on a transparent sheet. J-6430-530-A Board for Interface Tool J-6080-053-A Color Temperature Correction Filter
Summary of the content on the page No. 20
4-1-2. Connection for Adjustment 4-1-3. Adjustment Commander Pattern box (PTB-500) LDC display of remote commander for adjustment External sync source VBS IN. CAMERA When the VS IN VCO/fsc adjustment Display Data Display Mode VIDEO PR-229 board CN201 OUT Power Supply Remote commander, DC 12 V Waveform monitor RM-95 (J-6082-053-B) Interface tool INITIAL DATA Slide (J-6430-530-A) write button switch HOLD Remote Vectorscope START/ commander, STOP RM-95 WIDE (J-6082-053-B) ZOOM Color mon
