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PROJECTION MONITOR RECEIVER
PRO-720HD
PRO-620HD
PRO-520HD
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
KUXC/CA
This service manual should be used together with the following manual(s):
Model No.
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2001
Model
AC120V
Order No.
ARP3095
CONTENTS
6. ADJUSTMENT ................................................... 184
7. GENERAL INFORMATION ................................ 207
7.1. DIAGNOSIS .................................................. 207
7.1.1 DIAGNOSIS METHOD .............................. 207
7.1.2 DISASSEMBLY ......................................... 212
7.1.3 WIRING DIAGRAM .................................... 214
7.2 IC ................................................................... 216
7.3 EXPLANATION .............................................. 239
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
Remarks
SAFTY INFORMATION, EXPLODED VIEWS AND PARTS LIST,
BLOCK DIAGRAM AND SCHEMATIC DIAGRAM,
PCB CONNECTION DIAGRAM, PCB PARTS LIST
T - ZZY SEPT. 2001 Printed in Japan
ORDER NO.
ARP3099
Remarks

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   Summary of Contents for Pioneer PRO-720HD

  • Page 1: Table Of Contents

    PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2001 T –...
  • Page 2: Pro-720hd Pro-620hd Pro-520hd

    PRO-720HD, PRO-620HD, PRO-520HD 6. ADJUSTMENT 6.1 INTRODUCTION • IMPORTANT When replacement of the following assemblies are required during repairs, be sure to replace the EEPROMs with the mounted ones in order to retain the adjustment data of the unit and to facilitate adjustment after the replacement of the assemblies.
  • Page 3: Pro-720hd Pro-620hd Pro-520hd

    PRO-720HD, PRO-620HD, PRO-520HD 6.3 ADJUSTMENT LOCATION AND ITEMS Assembly Adjustment Location CONV. AMP ASSY Focus VR (VR1) DEFLECTION (SERVICE) ASSY DIGITAL CONV. ASSY Focus VR VIDEO ASSY SUB VIDEO ASSY Rear View SIGNAL ASSY Front View Deflection Deflection CRT assy G...
  • Page 4 PRO-720HD, PRO-620HD, PRO-520HD Assembly Adjustment Location Guide is repaired or replaced If POWER SUPPLY ASSY No adjustment is required Brightness Adjustment (∗2) Focus Adjustment (VR1: FOCUS VR) (∗2) is repaired or replaced If DEFLECTION SERVICE ASSY Screen Size Adjustment (∗2) Convergence Adjustment (∗2)
  • Page 5 PRO-720HD, PRO-620HD, PRO-520HD 6.4 FACTORY ADJ MODE Start Start adjusting Factory Adjustment Mode 1st FAC Select 1st FACTORY ADJ mode, then adjust. Select 1st FACTORY ADJ Mode Selecting the mode for adjustment operations. Start Normal Front panel picture TV CBL...
  • Page 6 PRO-720HD, PRO-620HD, PRO-520HD OTHER OFFSET mode To enter the OFFSET mode of each picture quality, use the following keys and codes of the remote control unit: Key(s) on the Remote Control Unit STD OFFSET MODE DOWN COMP (15 kHz) OFFSET MODE...
  • Page 7 PRO-720HD, PRO-620HD, PRO-520HD 6.5 ADJUSTMENT Brightness Adjustment Start 1st FAC Input signal : Black Burst (INPUT 1) Black burst ADJUTMENT OFFSET /SAT ON/OFF POWER ADJUTMENT OFFSET INPUT (DOWN) SPLIT SEARCH SELECT SCREEN SUB CH MODE FREEZE AUDIO DISPLAY ∞ ENTER ¢...
  • Page 8 PRO-720HD, PRO-620HD, PRO-520HD Deflection Yoke Adjustment Deflection Yoke Lean Adjustment • Input a stable signal (e.g. from an LD player or SG) to Start the INPUT 1 connector. • MENU → SETUP → Enter the MULTI-POINT (FULL) in the CONVERGENCE.
  • Page 9 PRO-720HD, PRO-620HD, PRO-520HD Focus Adjustment Focus Adjustment of Lens Assy Start Lens assy (For Green) Cross hatch Lens assy Lens assy (For Red) (For Blue) "Best focusing" Focus VR Adjustment Cross hatch Focus VR (VR1) FOCUS VR Turn the Focus VR for best focusing.
  • Page 10 PRO-720HD, PRO-620HD, PRO-520HD Test-cross Position Check • Check the test-cross position. If it is located within ± 20 mm from the center of the screen, no adjustment is required. If it is not, adjust the position as follows: • Input a stable NTSC (480i) signal (e.g. from an LD player) and adjust the position.
  • Page 11: Vertical Size Adjustment

    PRO-720HD, PRO-620HD, PRO-520HD Screen Size Adjustment Check if both vertical and horizontal sizes are within 91% ±2%. If they are not, perform the size adjustment as follows: Size Mode • Mode for roughly adjusting the horizontal and vertical sizes of the...
  • Page 12: Horizontal Size Adjustment

    PRO-720HD, PRO-620HD, PRO-520HD Note : Horizontal Size Adjustment Note : Screen mode : FULL • After the V. SIZE adjustment, enter the H. SIZE adjustment 1st FAC Start by pressing "1" key. • After the H. SIZE adjustment, INPUT 1:Monoscope check that V.
  • Page 13: Convergence Adjustment

    PRO-720HD, PRO-620HD, PRO-520HD CONVERGENCE ADJUSTMENT The data stored in the EEPROMs are as follows: 1. Procedures IC1410 1. When replacinf the DIGITAL CONV. Assy, replace the EEPROM OFFSET CONVER. MODE 1 (DFH, DFV) of new DIGITAL CONV. Assy with the EEPROM of old OFFSET CONVER.
  • Page 14 PRO-720HD, PRO-620HD, PRO-520HD Table 2 OFFSET CONVER DATA The cross-hatch signal is generated inside the unit, and is auto- matically displayed in OFFSET CONVER. mode and MANUAL OFFSET CONVER MODE 1 CONVERGENCE mode. You can turn on and off the cross-hatch...
  • Page 15 PRO-720HD, PRO-620HD, PRO-520HD • Pattern for each adjustment item Key No. Key No. Key No. STATIC SKEW SIZE = Fixed position Key No. Key No. Key No. Key No. STATIC SKEW SIZE Note 1: When the green CRT is replaced, or when the deflection yoke for the green is replaced, prior to the convergence adjustment, tune the center of the image to the center of the screen by turning the centering magnet.
  • Page 16 PRO-720HD, PRO-620HD, PRO-520HD 3.4.3 3.4.4 Press the SET/ENTER key when the point to be adjusted is When adjustment of the selected point is finished, press the determined. SET/ENTER key, then adjust the other adjustment points by repeating 3.4.1 to 3.4.4.
  • Page 17 PRO-720HD, PRO-620HD, PRO-520HD 4th step In a case of an error in convergence: Repeat 2nd and 3rd steps to take total balance. Then the adjust- ment for the green is completed. To return from the fine adjustment mode to the coarse adjustment mode, press the MENU key once, then the DOT key.
  • Page 18 PRO-720HD, PRO-620HD, PRO-520HD • Pattern for each adjustment item Key No. Key No. Key No. Key No. SKEW SIZE STATIC Key No. Key No. Key No. Key No. STATIC SKEW Key No. Note 1: When the red CRT is replaced, or when the deflection...
  • Page 19: White Balance Adjustment

    PRO-720HD, PRO-620HD, PRO-520HD When all the adjustments are completed, or to interrupt 3.6.5 adjustment, press the MENU key to quit Convergence Repeat procedures 3.6.2 through 3.6.4 for the other screen modes. Adjustment mode. The display will be unstable for several...
  • Page 20 PRO-720HD, PRO-620HD, PRO-520HD White Balance Adjustment This mode is to set the standard picture quality for a normal picture. Start < Picture Quality > 1st FAC OFFSET : COLOR (–64 to 63) TV CBL /SAT /DTV INPUT (DOWN) SPLIT SEARCH...
  • Page 21 PRO-720HD, PRO-620HD, PRO-520HD Adjustment Procedure of White Balnce OFFSET Data Table Without RGB Input RGB Input COLOR NEWS LIVE FILM STD FILM REF THEATER B&W STD B&W REF THEATER NEWS LIVE FILM B&W TEMP Setting β γ GAME REF THEATER for RGB...
  • Page 22 PRO-720HD, PRO-620HD, PRO-520HD OFFSET DATA (VIDEO) DIRECT KEY DIRECT KEY ADJ :Adjustment item OFFSET MODE OFFSET MODE The numerical value is shipping a set value in Adjustment Adjustment ADJ NAME ADJ NAME the factory. Value Value BLUE (cyclically) GREEN (cyclically)
  • Page 23 PRO-720HD, PRO-620HD, PRO-520HD Panel Adjustment • Mode for adjusting the brightness, contrast LEFT and RIGHT of the Start 1st FAC gray part (panel) of the 4:3 normal screen. <Data value section> TV CBL /SAT /DTV INPUT ADJUSTMENT PANEL SPLIT SEARCH...
  • Page 24 PRO-720HD, PRO-620HD, PRO-520HD Size Adjustment of the Panel Part of the 4:3 Normal Screen "Monoscope signal" Set the LEFT data Set the RIGHT data item to 91 ± 2%. item to 91 ± 2%.
  • Page 25: General Information

    PRO-720HD, PRO-620HD, PRO-520HD 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DIAGNOSIS METHOD How to diagnose a failure Various protection circuits are provided for this unit. When these The D915 LED of the POWER SUPPLY Assy always lights up protection circuits are activated, the power of the unit is shut down when the power is turned off because of the protection circuits (P.D.).
  • Page 26 PRO-720HD, PRO-620HD, PRO-520HD 1. P.D. (1) Failure in the POWER SUPPLY Assy and the AUDIO Assy. There are four main possibilities: 1. Abnormality in the regulator of the heater 2. Blown fuse(s) in secondary 3. Abnormality in RELAY (RY102) 4. Abnormality in AUDIO OUTPUT...
  • Page 27 PRO-720HD, PRO-620HD, PRO-520HD Note: The anode of the diode is high only for a short time after the power is turned on until the protection circuits are activated (P.D.) The LEDs are lit by the HOLD circuit. Note that the power may be shut down when the voltages 130 V, 25 V, and 12 V from the POWER SUPPLY Assy are not supplied because the DEFLECTION SERVICE Assy is powered by the POWER SUPPLY Assy.
  • Page 28 PRO-720HD, PRO-620HD, PRO-520HD 4. Block Diagram of the Protection Circuit POWER SUPPLY ASSY (AWV1912) D915 POWER SW ASSY (AWZ6467) SIGNAL ASSY VIDEO ASSY (AWV1917) (AWV1916)
  • Page 29 PRO-720HD, PRO-620HD, PRO-520HD DEFLECTION SERVICE ASSY (AWV1921) D321 D923 CONV. AMP ASSY (AWZ6649)
  • Page 30: Disassembly

    PRO-720HD, PRO-620HD, PRO-520HD 7.1.2 DISASSEMBLY How to remove the screen (for adjusting Lens assemblies) Screen Frame Loosen a screw Loosen two screws Remove a screw Remove Upper Cabinet Metal Upper Cabinet Metal Remove Remove Remove Screen Side Fitting Screen Side Fitting...
  • Page 31 PRO-720HD, PRO-620HD, PRO-520HD Lens Assy (Green) Lens Assy Lens Assy (Red) (Blue) Notes: Before focus lens adjustment, To assemble the screen, perform the above procedures in reverse loose the screw which has tightened. order. After assembling it, verify that the right and left sides of the screen Slide the screen to right, and are positioned as shown in the figure.
  • Page 32: Wiring Diagram

    PRO-720HD, PRO-620HD, PRO-520HD 7.1.3 WIRING DIAGRAM Front Section Focus VR (VR1) CRT Assy (R) CRT Assy (G) CRT Assy (B) Ferrite Core B. CRT DRIVE Assy R. CRT DRIVE Assy G. CRT DRIVE Assy FBT Focus Wire At least 15 mm away from any other parts.
  • Page 33 PRO-720HD, PRO-620HD, PRO-520HD Rear Section Loop with a radius of 30mm or more. Ferrite Core At least 15mm away from any other parts. Loop with a radius of 50mm or more. CONV. AMP Block VIDEO Assy Block POWER SUPPLY Assy...
  • Page 34 PRO-720HD, PRO-620HD, PRO-520HD 7.2 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • List of IC CXD2303AQ, SDA9280, CXA3106Q, PE5066A, PE5067A, MS82V16520-8GA, HD64F3067RF20, 24LC128(I)P, 24LC08B(I)P,...
  • Page 35 PRO-720HD, PRO-620HD, PRO-520HD • Pin Function − − − − - t l l l u - t l l l u c t i - t l l l u y t i − - t l l l u −...
  • Page 36 PRO-720HD, PRO-620HD, PRO-520HD SDA9280 (SUB VIDEO SERVICE ASSY : IC3602) • D/A Converter • Block Diagram GNDA Variable Peaking Com- Inter- Insertion Y-Delay Filter pander polator 2 9 Bit GNDY Com- Inter- DCTI Insertion pander polator 2 9 Bit GNDU...
  • Page 37 PRO-720HD, PRO-620HD, PRO-520HD • Pin Function Pin No. Symbol Type Description 1,17,35 Supply voltage ( ) for input stages 8,9,27,34,43, Supply voltage ( ) for digital parts and PLL 60,63 Note: no internal connection to pins No 1,17,35 10,11,26,33, Supply voltage (...
  • Page 38 PRO-720HD, PRO-620HD, PRO-520HD CXA3106Q (SUB VIDEO SERVICE ASSY : IC3201) • PLL IC • Pin Function − − − − − − − − − − − t s i − − − − − − − − − −...
  • Page 39 PRO-720HD, PRO-620HD, PRO-520HD PE5066A (SUB VIDEO SERVICE ASSY : IC3401) • I/P System Controller IC • Pin Function − − ) t i ) t i − − − ) t i − ) t i − − − −...
  • Page 40 PRO-720HD, PRO-620HD, PRO-520HD − − − − − − − − − − − − − −...
  • Page 41 PRO-720HD, PRO-620HD, PRO-520HD ) t i − − − ) t i − − ) t i ) t i − ) t i ) t i − −...
  • Page 42 PRO-720HD, PRO-620HD, PRO-520HD PE5067A (SUB VIDEO SERVICE ASSY : IC3501) • I/P System Controller IC • Pin Function − − − − ) t i − − ) t i − ) t i − − ) t i ) t i −...
  • Page 43 PRO-720HD, PRO-620HD, PRO-520HD − − − − ) t i − ) t i ) t i ) t i − − − − ) t i − − − ) t i − ) t i ) t i −...
  • Page 44 PRO-720HD, PRO-620HD, PRO-520HD l a i ) t i ) t i − − − ) t i − − − − − − ) t i − − − − ) t i − − ) t i −...
  • Page 45 PRO-720HD, PRO-620HD, PRO-520HD MS82V16520-8GA (SUB VIDEO SERVICE ASSY : IC3601, IC3604) • 16M SGRAM • Pin Function − − l a i − − − − − − − − − − − − − − − − − −...
  • Page 46 PRO-720HD, PRO-620HD, PRO-520HD HD64F3067RF20 (SUB VIDEO SERVICE ASSY : IC3801) • I/P System micro-computer IC • Pin Function − − t i r φ) − − − t i r − − − t i r l l i −...
  • Page 47 PRO-720HD, PRO-620HD, PRO-520HD 24LC128(I)P (DIGITAL CONV. ASSY : IC1410) • 128Kbit CMOS Serial EEPROM Pin Assignment (Top view) Block Diagram HV GENERATOR MEMORY EEPROM XDEC CONTROL CONTROL ARRAY LOGIC LOGIC PAGE LATCHES Pin Function No. Pin Name Pin Function YDEC...
  • Page 48 PRO-720HD, PRO-620HD, PRO-520HD CM0006CF (DIGITAL CONV. ASSY : IC1401) • Digital Convergence Correction IC • Pin Function v i t l l u v i t l a i − s t i − s t i v i t...
  • Page 49 PRO-720HD, PRO-620HD, PRO-520HD − s t i l a i c i t l a i c i t l a i c i t − s t i − − − − s t i − − − s t i −...
  • Page 50 PRO-720HD, PRO-620HD, PRO-520HD 24LC32A(I)P (SIGNAL ASSY : IC2454) • 32Kbit CMOS Serial EEPROM Pin Assignment (Top view) Block Diagram HV GENERATOR MEMORY EEPROM XDEC CONTROL CONTROL ARRAY LOGIC LOGIC PAGE LATCHES Pin Function No. Pin Name Pin Function YDEC User configurable...
  • Page 51 PRO-720HD, PRO-620HD, PRO-520HD CXA2094Q (SIGNAL ASSY : IC2801) • US Audio Multi-channel Decoder IC • Block Diagram 45 44 47 46 40 39 FEXT2 AUX1-R TVSW AUX1-L VCATC FEXT1 RMSDET TVSW/EXT/M1 VCAWGT VCAIN MATRIX MAININ VEOUT VETC RMSDET VEWGT SPECTRAL...
  • Page 52 PRO-720HD, PRO-620HD, PRO-520HD • Pin Function − − − − − t l i f − − t l i f l i p − − t l i f − − − i r r − − − −...
  • Page 53 PRO-720HD, PRO-620HD, PRO-520HD CM0010AF (SIGNAL ASSY : IC7703) • Multi Screen Controller IC • Pin Function i n i i f i l − − . s l . s l . s l i f i l i f i l −...
  • Page 54 PRO-720HD, PRO-620HD, PRO-520HD l i f − t l i f − − c i t a l i , ) t l i f − t l i f − − c i t a l i , ) t...
  • Page 55 PRO-720HD, PRO-620HD, PRO-520HD 2 " , " 2 " . " l a i a l i a l i...
  • Page 56 PRO-720HD, PRO-620HD, PRO-520HD − − TK15420M (SIGNAL ASSY : IC7102, IC7302, IC7502) (SUB VIDEO ASSY : IC3002) • 75ohm Video Driver IC Pin Assignment (Top view) OUT A – IN A OUT B + IN A – IN B +IN B MC33167TV (POWER SUPPLY ASSY : IC204) •...
  • Page 57: Explanation

    PRO-720HD, PRO-620HD, PRO-520HD 7.3 EXPLANATION CONNECTING VIDEO/AUDIO EQUIPMENT Front panel S-VIDEO VIDEO L-AUDIO-R (MONO) VIDEO S-VIDEO OUTPUT INPUT 4 Video movie/VCR INPUT jacks COMPONENT VIDEO INPUT jack There are 4 sets of inputs for VCR and DVD/LD players. Use Inputs three signals – Y, P ) and P ) –...
  • Page 58 PRO-720HD, PRO-620HD, PRO-520HD ANTENNA /CABLE INPUTS INPUT 1 INPUT 2 INPUT 3 OUTPUTS INPUT S-VIDEO MONITOR CENTER VIDEO AUDIO S-VIDEO/VIDEO INPUT 3 (MONO) SELECT AUDIO AUDIO FIXED/VAR COMPONENT INPUTS VIDEO OUTPUT INPUT 1 VIDEO S-VIDEO/VIDEO INPUT 3 SELECT CONTROL INPUT...
  • Page 59 PRO-720HD, PRO-620HD, PRO-520HD PROGRAM BLOCK (V. CHIP) FUNCTION Since laws have been passed in the United States requiring a way of blocking undesirable programming, the V-chip has become a required component in television sets. The V-chip is a computer chip which decodes signals added to broadcast signals transmitted by television broadcasters.
  • Page 60 PRO-720HD, PRO-620HD, PRO-520HD <CANADIAN RATING SYSTEM> CANADIAN ENGLISH LANGUAGE RATING SYSTEM RATING Children Children 8 years and older General programming, suitable for all audiences Age-Base Parental Guidance Viewers 14 years and older Adult Programming Programming interned for children under age 8 Careful attention is paid to themes, which could threaten children's sense of security and well-being.
  • Page 61 PRO-720HD, PRO-620HD, PRO-520HD • SETTING THE PROGRAM BLOCKING LEVEL 1. Press MENU and select SET UP by using the 5 or ∞ button and then pressing SET/ENTER. 2. Select PROGRAM BLOCK in the same way. TV CBL /SAT /DTV POWER...
  • Page 62 PRO-720HD, PRO-620HD, PRO-520HD 6. Select U.S.A. RATING SYSTEM or CANADIAN RATING SYSTEM . SET UP R A T I N G S Y S T EM U S A C A N A SET/ SET/ ENTER ENTER TV CBL ∞...
  • Page 63 PRO-720HD, PRO-620HD, PRO-520HD 10. If you selected CANADIAN RATING SYSTEM in step 6, select ENGLISH or FRENCH . SET UP C A N A D I A N R A T I N G S Y S T EM C A N A D I A N...
  • Page 64: Changing Password

    PRO-720HD, PRO-620HD, PRO-520HD • HOW TO REMOVE BLOCKING FROM A • REMOVING BLOCKING IN MULTI- PROGRAM IN PROGRESS SCREEN MODE • If you choose a program that has a rating higher than your Just as in normal single-screen mode, programs are...
  • Page 65 PRO-720HD, PRO-620HD, PRO-520HD MULTI-SCREEN FUNCTION • VIEWING TWO SCREENS (SPLIT screen) The screen can be split vertically, making it possible to view different images on the left and right. • The screen on which is displayed is the main picture, and the other screen is the sub-picture.
  • Page 66 PRO-720HD, PRO-620HD, PRO-520HD • SEARCHING FOR A PROGRAM ON A DIFFERENT CHANNEL (SEARCH screen) The screen on the right side can be made into nine or three different screens, making it possible to search for programs or enjoy multiple images.
  • Page 67 PRO-720HD, PRO-620HD, PRO-520HD MULTI-POINT CONVERGENCE ADJUSTMENT Convergence adjustment may be fined-tuned here. 1. Press MENU and select SET UP by using the 5 or ∞ TV CBL button and then pressing SET/ENTER. /SAT /DTV POWER INPUT 2. Adjust the center point convergence.
  • Page 68 PRO-720HD, PRO-620HD, PRO-520HD SPECIAL NOTES • Picture Adjustments MOVIE or GAME mode may not selected when receiving RGB input. GAME mode setting: • All signals output from the Projection Monitor will be unaffected. Only the original output signal is sent through the output jacks.
  • Page 69 PRO-720HD, PRO-620HD, PRO-520HD...
  • Page 70: Panel Facilities And Specifications

    PRO-720HD, PRO-620HD, PRO-520HD 8. PANEL FACILITIES AND SPECIFICATIONS 1 POWER STANDBY/ON indicators A flip-down door conceals the INPUT 4 jacks. Push gently and release, to open the door. To close the door, lift it back up into red: STANDBY place.
  • Page 71 PRO-720HD, PRO-620HD, PRO-520HD 7 RETURN button 9 INPUT 4 jacks Press to set the Projection Monitor to its initial mode. These inputs are for Video Movie and VCR. Use RCA-type pin plug cords (the same as those used in Hi-Fi systems) and S- Initial mode VIDEO cords for connections.
  • Page 72 PRO-720HD, PRO-620HD, PRO-520HD REMOTE CONTROL UNIT (AXD1458) Set the mode switch to TV. TV Power button (STANDBY/ON) Mode switch Turns the power of the monitor on and off. 2 INPUT Selector buttons (TV, INPUT 1 to INPUT 4) Press the button to select the source you wish to watch.
  • Page 73 PRO-720HD, PRO-620HD, PRO-520HD ~ CH RETURN (channel return) button REMOTE CONTROL UNIT FUNCTIONS Press to switch between the current channel and the channel you were watching immediately before. ! VOL (volume) +, – buttons Press plus (+) button to increase the volume, press minus (–) button to decrease it.
  • Page 74: Power Requirement

    Input terminals ..........4 video inputs External dimensions 4 S-VIDEO input jacks (Y/C separate INPUT) PRO-720HD ....1510 (W) x 709 (D) x 1425 (H) mm 2 COMPONENT VIDEO INPUT jacks (Y, P 59-7/16 (W) x 27-29/32 (D) x 56-1/8 (H) inch 4 audio inputs PRO-620HD ....

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