User manual SONY BVF10

[. . . ] ELECTRONIC VIEWFINDER BVF-10 BVF-10CE MAINTENANCE MANUAL 1st Edition (Revised 2) Serial No. 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. ! [. . . ] Set 1RV6 (V SIZE)/VF-60 board to the mechanical center position. (When 1RV6 is marked, it should not be turned. ) : TP1/VF-60 GND : E1/VF-60 Adjustment point : 1RV3 (H HOLD)/VF-60 Specifications : 15. 73 ±0. 05 kHz (for NTSC) 15. 63 ±0. 05 kHz (for PAL) After adjustment is completed, disconnect the shorting clip on the EX-464. Bright Set Adjustment Preparations: OUTPUT/DCC switch (on the camera side panel) BARS/OFF BRIGHT control Fully counterclockwise CONTRAST control Fully clockwise Adjustment point Specifications : 1RV9 (SUB BRIGHT)/VF-60 For NTSC model Specs. : Adjust 1RV9/VF-60 so that portions A and B on the viewfinder screen can be barely discriminated. BA For PAL model Specs. : Adjust 1RV9/VF-60 so that portions A and B on the viewfinder screen can be barely discriminated, and portions B and C cannot be discriminated. ABC TP5 E1 RV5 RV3 RV4 CN2 5 CN5 TP2 1 RV1 RV2 TP1 RV7 RV10 RV6 TP3 CN4 CN1 RV9 RV8 TP4 VF-60 BOARD (A SIDE) BVF-10 (UCJ) BVF-10CE (CE) 2-3 (E) 2-1. Electrical Adjustment Using a Camera 2-1-9. Heater Voltage Adjustment" and "2-1-11. Picture Frame Adjustment" affect each other. Therefore, repeat these three adjustments until these specifications are satisfied. Equipment : Waveform monitor Object : Resolution chart Preparations: Shoot the resolution chart so that the chart frame is aligned with the underscanned monitor frame. Adjust the iris of the lens so that the output level at TEST OUT connector /BVP-550 satisfies the level A. A = 70 ±2 IRE (for NTSC) A = 490 ±14 mV (for PAL) 2-1-10. Picture Frame Adjustment" affect each other. Therefore, repeat these three adjustments until these specifications are satisfied. Equipment : Digital voltmeter Preparations: BRIGHT control mechanical center CONTRAST control mechanical center PEAKING control mechanical center Iris of the lens Test points : Close : CN5-4pin/VF-60 CN5-5pin/VF-60 Adjustment point : 1RV8 (HEATER)/VF-60 Specifications : 700 ±10 mV dc (Viewfinder Screen) BRIGHT control mechanical center CONTRAST control mechanical center Adjustment point Specifications : 1RV2 (ANODE SET)/VF-60 : Turn 1RV2 fully counterclockwise, and slowly turn it clockwise to adjust the best focus position. Note: After adjustment is completed, confirm that the focus operation can be performed irrespective of its BRIGHT and CONTRAST controls setting. E1 RV5 RV3 RV4 TP5 RV9 RV8 TP4 5 CN5 TP2 1 RV1 RV2 TP1 RV7 RV10 RV6 TP3 CN4 CN1 CN2 VF-60 BOARD (A SIDE) 2-4 (E) BVF-10 (UCJ) BVF-10CE (CE) 2-1. Electrical Adjustment Using a Camera 2-1-11. Heater Voltage Adjustment" affect each other. Therefore, repeat these three adjustments until these specifications are satisfied. Equipment : Oscilloscope Object : Resolution chart Preparations: Shoot the resolution chart so that the chart frame is aligned with the underscanned monitor frame. Adjust the iris of the lens so that the output level at TEST OUT connector /BVP-550 satisfies the level A. A = 70 ±2 IRE (for NTSC) A = 490 ±14 mV (for PAL) 3. Adjustment point : 1RV1 (H SIZE)/VF-60 1RV6 (V SIZE)/VF-60 1Centering magnet Specifications : Adjust 1RV1 (H SIZE) and 1RV6 (V SIZE) so that the position of the resolution chart are as shown below. Turn the centering magnet only when the left and lower corners cannot be adjusted. Vewfinder Screen Approx 2mm chart frame CRT picture frame Approx 2mm (Viewfinder Screen) (Viewfinder Screen) BRIGHT control mechanical center CONTRAST control mechanical center PEAKING control mechanical center Adjustment procedures: 1. Adjustment point : 1RV3 (H HOLD)/VF-60 Specifications : If the upper left corner of the picture is distorted, makes right angle. 4. [. . . ] Supplied Accessories SP Description Ref. 1pc 1pc SP Description 1-251-386-11 s CRT ASSY, 1. 5" 1-775-771-11 o FLEXIBLE CARD WIRE (14 CORE) (VF-60 TO VR-199) 1-952-420-21 s HARNESS (VF CABLE3) o HOUSING, 18P o CONTACT, FEMALE AWG26-30 o HOUSING, 8P o CONTACT, FEMALE AWG26-30 o HOUSING, CONNECTOR 4P s CONTACT, FEMALE AWG 28-32 o HOUSING, CONNECTOR 4P s CONTACT, FEMALE AWG 28-32 1-542-233-12 o MICROPHONE 3-179-882-01 o SPACER, MICROPHONE CN101 CN1F(to VF-60 BOARD) 1-580-585-11 1-580-599-11 CN2F(to VF-60 BOARD) 1-764-196-11 1-695-215-11 CN21F(to LP-84 BOARD) 1-569-619-11 1-565-977-11 CN31F(to LP-85 BOARD) 1-569-619-11 1-565-977-11 3-5. SP Description J-6026-100-A o RESOLUTION CHART J-6395-040-A o EXTENSION BOARD, EX-464 J-6395-050-A o VF EXTENSION HARNESS BVF-10 (UCJ) BVF-10CE (CE) 3-7 SEMICONDUCTOR INDEX Section 4 Semiconductor Pin Assignments Semiconductors of which functions are equivalent are described here. For parts replacement, refer to the section of Spare Parts in this manual. [. . . ]