Page 1
REMOTE CONTROL UNIT RM-B750 MAINTENANCE MANUAL 1st Edition (Revised 1) Serial No. 100001 and Higher...
Page 2
Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres. Pour toute réparation faire appel à une personne compétente uniquement. RM-B750...
Page 3
Hävitä käytetty paristo valmistajan ohjeiden constructeur. mukaisesti. Mettre au rebut les batteries usagées conformément aux instructions du fabricant. ADVARSEL! Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandøren. 1 (P) RM-B750...
Page 4
Gerät abschaltet und signalisiert “Batterie leer” oder nach längerer Gebrauchsdauer der Batterien “nicht mehr einwandfrei funktioniert”. Um sicherzugehen, kleben Sie die Batteriepole z.B. mit einem Klebestreifen ab oder geben Sie die Batterien einzeln in einen Plastikbeutel. 2 (P) RM-B750...
Manual Structure Purpose of this manual This manual is the maintenance manual for Remote Control Unit RM-B750. This manual is intended for use by the trained system enginneers and sevice engin- neers, and describes information (service overview, parts lists, schematic diagram and board layout) on the premise of component level service.
Section 1 Service Overview 1-1. Connector Input/Output Signals 1-3. Opening the RM-B750 MONITOR 1. Loosen the screw (with drop-safe) and open the RM (BNC Type) connector cover in the direction of the arrow. SDTV (NTSC/PAL) : VBS output (1.0 V p-p, 75 Z) Screw HDTV : Y signal output (1.0 V p-p, 75 Z)
*1: S205 is not used on the MPU-124 board with suffix -21 and higher. LED-389 board . S206 (CCU-PW ON/OFF) This switch turns on/off the power to the front panel. Factory-setting: ON VR-277 board LCD unit MPU-124 board S206 S205 S201 MPU-124 board (A side) 1-2 (E) RM-B750...
Portion A of the contact surface or isolation surface (blue). (Refer to illustration of the type A to type D.) Type D Connector Portion A Portion A Recessed portion Isolation surface (blue) 1-3 (E) RM-B750...
Insert the flexible card wire with the isolation surface About 28 mm 3 mm (blue) facing up and close the portion A. Type E Portion A View from the side Contacting Insulated surface (blue) surface CN-2278 board (CN2) side Isolation surface (blue) 1-4 (E) RM-B750...
WHITE knob assemblies Washer (BKP) stopper B2.6 x 5 4. Open the RM-B750. (Refer to Section 1-3.) 5. Remove the connectors (CN104, CN201) from the MPU-124 board. 6. Remove the screws and the operation panel assembly in the direction of the arrow.
Page 14
Be careful not to damage the printed foil pattern of the MPU-124 board with the tip of a long nose plier. B2.6 x 5 Fig.1 Long nose pliers PWB holder MPU-124 board B2.6 x 5 VR-277 board MPU-124 board PWB holders 1-6 (E) RM-B750...
Touch panel of LCD unit 16. Install the four RE knobs, the IRIS control knob assembly and the two WHITE knob assemblies. When installing the IRIS control knob assembly and the WHITE knob assemblies, refer to Section 1-9. 1-7 (E) RM-B750...
Mark on the operation Shaft of IRIS control knob panel Protection Fig. 1 sheet IRIS knob assembly Touch panel Mark on the operation panel 5. When installing the LCD unit in the RM-B750, reverse the steps in Section 1-7. 1-8 (E) RM-B750...
1-10-2. Description on Backup Battery The lithium battery is a critical part to safe operation. Replace the component with Sony part whose part number is listed in the manual published by Sony. If the component is replaced by any part other than the specified ones, this may cause a fire or electric shock.
Page 18
5. Upon completion of programming, check that error used. message is not displayed. Turn off the power of this . The PLD internal data is controlled in the Sony Database unit and back on. Server under the name Project file (E_xxx_xxx_xx_xx).
6. Press [Exit] or the SCENE button to leave the menu. 4. Press [Ver|Up] in the Diag Mode 2 menu. The display will be switched to the Firmware Update display. Diag Mode 2 Main BL ON Ver Up Date Time 1-11 (E) RM-B750...
STANDARD button within one second to exit The display will be switched to the Calibration Check the menu. display. . Turn the power of the power supply unit to off, and Portion A then turn on. Touch Panel Calibration Portion B 1-12 (E) RM-B750...
ACTIVE START/STOP MEMORY STICK WHITE MONITOR FUNCTION BLACK VF DISP MAINTENANCE VF MENU SCENE IRIS/MB CANCEL AUTO ACTIVE MASTER IRIS BLACK PAINT ENTER IRIS ALARM MENU SELECT BRIGHT CONTRAST REMOTE CONTROL UNIT RM-B750 FUNCTION button PAINT button 1-13 (E) RM-B750...
LCD. Also the adjustment value is displayed in the the specified temperature.If the elements operates,turn off appropriate box on the LCD. the main power and inspect the RM-B750 internal (The display position of the VR No is assigned in order circuit.After removing the cause of the equipment abnor- of VR No.
1-11. Recommended Replacement Parts 1-11. Recommended Replacement Parts The list below shows the recommended replacement parts. Replace them as needed. Part name Sony part number Remarks KNOB, RE 3-635-891-0X Rubber part RUBBER KEY B 3-620-281-0X Rubber part MS LID 3-620-276-0X...
SCENE CANCEL AUTO IRIS/MB IRIS ACTIVE MASTER BLACK PAINT ENTER IRIS ALARM MENU SELECT REMOTE CONTROL UNIT RM-B750 DC IN REMOTE 75 Z CONTROL UNIT RM-B750 Color monitor Micro switch AC ADAPTOR AC-550/550CE or DC variable power supply If using a DC variable power supply to drive power, connect the positive (+) side of the power supply to pin 4 of the DC IN connector on the camera adaptor, and negative (_) side to pin 1.
Therefore, specified parts should be used in the case of replacement. 2. Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit. These are because of parts common- ality and improvement. Parts list has the present standardized repair parts.
Knob and Board Block 3-2. Exploded Views WASHER,PLASTIC (4 x 0.5) B3 x 5 B4 x 6 B4 x 6 RM-B750...
Page 29
3-687-116-01 o WASHER(4),STOPPER (PLA) 3-697-760-11 s SCREW,COIN 3-701-444-21 s WASHER PLASTIC 6.2X0.5) 3-729-091-01 s SCREW (M4X17.5) (STEEL) A-8279-951-A s KNOB ASSY,RE 2-141-015-41 s PLATE,COLOR 1-769-629-11 s WIRE,FLAT TYPE (12P) 7-623-925-01 s WASHER,PLASTIC (4X0.5) 7-682-546-04 s SCREW +B3X5 7-682-560-09 s SCREW +B4X6 RM-B750...
Page 30
LCD Unit and Board Block PS2.6 x 5 PRECISION P1.7 x 2.5 PRECISION P1.7 x 2.5 PRECISION P1.7 x 2.5 RM-B750...
Page 31
3-364-941-01 s SCREW (+B) (2.6X5),NYLOK 3-608-438-01 o SUPPORT,HEXAGON 3-620-280-01 s RUBBER KEY A 3-620-281-02 s RUBBER KEY B 3-680-844-01 o SPACER 9-885-023-12 s BACK LIGHT 9-885-023-13 s CABLE(RCP),FLAT 9-885-026-98 s PANEL(RM),TOUCH 9-911-844-99 o SHEET,SPONGE 7-627-552-07 s SCREW,PRECISION+P1.7X2.5 7-628-254-00 s SCREW +PS2.6X5 RM-B750...
8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE 8-729-929-08 s TRANSISTOR DTC123JE RM-B750...
Page 33
1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) 1-218-939-11 s RESISTOR, CHIP 68 1/16W (1005) 1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) 1-218-939-11 s RESISTOR, CHIP 68 1/16W (1005) 1-218-939-11 s RESISTOR, CHIP 68 1/16W (1005) 1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) 1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) RM-B750...
Page 34
IC108 8-752-371-65 s IC CXD2304R C146 1-165-811-11 s CAPACITOR CHIP CERAMIC 22MF B IC109 8-759-712-68 s IC EP1K50QC208-3 C147 1-165-811-11 s CAPACITOR CHIP CERAMIC 22MF B C148 1-165-811-11 s CAPACITOR CHIP CERAMIC 22MF B IC110 8-759-662-38 s IC 74VHCT08AMTCX RM-B750...
Page 35
1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R207 1-208-703-11 s RESISTOR,CHIP 6.8K 1/16W(1005) 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R208 1-208-703-11 s RESISTOR,CHIP 6.8K 1/16W(1005) 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R209 1-208-703-11 s RESISTOR,CHIP 6.8K 1/16W(1005) RM-B750...
Page 36
1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-234-381-21 s RES, NETWORK 100KX4 (1005) 3-10 RM-B750...
Page 37
1-107-826-11 s CAPACITOR,CHIP CERAMIC 0.1MF IC17 8-759-566-06 s IC TC7WH08FU(TE12R) C142 1-107-826-11 s CAPACITOR,CHIP CERAMIC 0.1MF C143 1-107-826-11 s CAPACITOR,CHIP CERAMIC 0.1MF IC18 8-759-557-84 s IC NC7SZ04P5X C144 1-107-826-11 s CAPACITOR,CHIP CERAMIC 0.1MF IC19 8-759-566-06 s IC TC7WH08FU(TE12R) 3-11 RM-B750...
Page 38
1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R189 1-208-683-11 s RESISTOR CHIP 1K 1/16W (1005) 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R190 1-208-695-11 s RESISTOR CHIP 3.3K 1/16W(1005) 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R191 1-208-683-11 s RESISTOR CHIP 1K 1/16W (1005) 3-12 RM-B750...
Page 39
1-208-715-11 s RESISTOR,CHIP 22K 1/16W (1005) RB210 1-234-381-21 s RES, NETWORK 100KX4 (1005) R265 1-208-715-11 s RESISTOR,CHIP 22K 1/16W (1005) RB211 1-234-381-21 s RES, NETWORK 100KX4 (1005) R266 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) RB212 1-234-381-21 s RES, NETWORK 100KX4 (1005) 3-13 RM-B750...
Page 40
1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF 1-125-837-11 s CAPACITOR,CHIP CERAMIC1MF/6.3V 1-115-414-11 s CAPACITOR,CHIP CERAMIC 820PF 1-162-913-11 s CAPACITOR,CHIP CERAMIC 8PF/50V 3-14 RM-B750...
Page 41
1-208-679-11 s RESISTOR CHIP 680 1/16W (1005) 1-208-679-11 s RESISTOR CHIP 680 1/16W (1005) 1-208-911-11 s RESISTOR, CHIP 10K (1005) 1-208-683-11 s RESISTOR CHIP 1K 1/16W (1005) 1-208-911-11 s RESISTOR, CHIP 10K (1005) 1-208-911-11 s RESISTOR,CHIP 10K (1005) 1-208-935-11 s RESISTOR, CHIP 100K (1005) 3-15 RM-B750...
Page 42
1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R135 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) R136 1-208-683-11 s RESISTOR CHIP 1K 1/16W (1005) 1-225-787-21 s RES, ADJ, CERMET 500 1-755-380-21 s RELAY 1-535-757-11 s CHIP, CHECKER (CONNECTOR) 1-535-757-11 s CHIP, CHECKER (CONNECTOR) 3-16 RM-B750...
Page 43
FB309 1-414-864-11 s INDUCTOR, MICRO (CHIP TYPE) C320 1-107-420-11 s CAPACITOR,ELECT 47MF/35V(105C) FB310 1-414-864-11 s INDUCTOR, MICRO (CHIP TYPE) C321 1-107-420-11 s CAPACITOR,ELECT 47MF/35V(105C) FB311 1-414-864-11 s INDUCTOR, MICRO (CHIP TYPE) FB312 1-414-864-11 s INDUCTOR, MICRO (CHIP TYPE) 3-17 RM-B750...
Page 44
1-208-679-11 s RESISTOR CHIP 680 1/16W (1005) 1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) R314 1-218-977-11 s RESISTOR,CHIP 100K 1/16W(1005) 1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) R315 1-218-929-11 s RESISTOR,CHIP 10 1/16W (1005) 1-208-935-11 s RESISTOR, CHIP 100K (1005) R316 1-218-977-11 s RESISTOR,CHIP 100K 1/16W(1005) 3-18 RM-B750...
Page 45
1-535-757-11 s CHIP, CHECKER (CONNECTOR) C226 1-131-661-11 s CAPACITOR,ELECT 100MF/10V CHIP 1-535-757-11 s CHIP, CHECKER (CONNECTOR) C227 1-131-661-11 s CAPACITOR,ELECT 100MF/10V CHIP C228 1-131-661-11 s CAPACITOR,ELECT 100MF/10V CHIP C229 1-135-342-11 s CAPACITOR,SOLID ELECT 56MF C230 1-127-820-11 s CAPACITOR, SQUARE CHIP 4.7MF 3-19 RM-B750...
Page 46
1-208-935-11 s RESISTOR, CHIP 100K (1005) 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) IC202 6-700-986-01 s IC MAX1745EUB-TG068 1-208-635-11 s RESISTOR CHIP 10 1/16W (1005) IC203 6-700-986-01 s IC MAX1745EUB-TG068 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) IC204 6-700-655-01 s IC LT1963ES8#TR 3-20 RM-B750...
Page 47
1-234-381-21 s RES, NETWORK 100KX4 (1005) or Q’ty Part No. SP Description RB11 1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-783-372-11 s CORD, CONNECTION RB12 1-234-381-21 s RES, NETWORK 100KX4 (1005) 1-766-848-11 s CONNECTOR, ROUND TYPE (PLUG) 8P 3-620-577-01 s OPERATION MANUAL 3-21 RM-B750...
Page 49
In addition, for semiconductors with ID Nos., refer to the separate CD-ROM titled “Semiconductor Pin Assignments” (Sony Part No. 9-968-546-xx) that allows searching for parts by semiconductor type or ID No. The semiconductors in the manual or on the CD-ROM are listed by equivalent types.
Page 51
GAMMA WINDOW PULSE GEN SUB BRIGHT B VCO IN BGP GEN SUB BRIGHT R VCO OUT PHASE TINT TINT SHIFT B IN DEMOD INT/EXT SW G IN PAL SW R IN IDENT IDENT FILTER PICTURE MATRIX CONTRAST SYNC IN RM-B750...
Page 52
: NO CONNECTION BLKC COMMAND REGISTER COMMAND MEMORY WRITING SCLK CONTROL INPUT CONTROL HORIZONTAL ADDRESS TEST CONTROL TEST UNIT CONTROL CONTROL VERTICAL HSYNC SYNC CONTROL VSYNC INPUT VRAM UNIT BLKA RESET CG-ROM BLKB BLKC CHARACTER DISPLAY OUTPUT CLOCK CLOCK CONTROL RM-B750...
BL11 BRIGHT CONT2 DET IN2 VR-277 BL10 CONV BL21 BRIGHT CONT1 DET IN1 BL20 VR-277 S205 SUFFIX 13 IC203,208,209 BUZZER ON/OFF IC210,214 BUZZER ON BUZZER 0-5 BUZZER (+) CONV VR-277 BUZZER (-) VR-277 BUZZER OUT SUFFIX 21– Overall (1/2) RM-B750...
Page 54
BLACK R AN0-5 BLACK B LED-389 BLACK M +5V (LED) IRIS +5V-1 LED OUT0-6 LED OUT0-6 Q1-7 LATCH DRIVER LPAD3 LPAD3 SWAD3 SWAD3 ALARM SWITCH MONITOR FUNCTION MAINTENANCE SCENE PAINT SWL0-3 SWAD0-3 P90-93 DECODER SDIN0-4 SDIN0-4 15-19 15-19 Overall (2/2) RM-B750...
Page 71
22uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF IC6 (4/7) 74VHC04MTCX IC6 (5/7) 74VHC04MTCX WHITE R WHITE B BLACK R BLACK B BLACK M IRIS F-GND IC6 (6/7) 74VHC04MTCX F-GND VR-277 (1/2) BOARD NO. 1-685-848-22 RM-B750_VR-277_022_1 6-11 (b) 6-11 (b) RM-B750...
Page 77
IC6 (3/7) 74VHC04MTCX IC6(4/7) 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 74VHC04MTCX WHITE R WHITE B BLACK R BLACK B BLACK M IRIS F-GND IC6 (5/7) 74VHC04MTCX IC6(6/7) F-GND 74VHC04MTCX VR-277 (1/2) BOARD NO. 1-685-848-13 RM-B750_VR-277_013_1 6-11 (a) 6-11 (a) RM-B750...