Sony DVCAM DSR-250 Service Manual
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Sony DVCAM DSR-250 Service Manual

Sony DVCAM DSR-250 Service Manual

Dvcam digital camcorder
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SERVICE MANUAL
SERVICE MANUAL
Ver 1.0 2000. 08
NTSC model : DSR-250
PAL model
: DSR-250P
Video camera
recorder
System
Video recording system
2 rotary heads
Helical scanning system
Audio recording system
Rotary heads, PCM system
Quantization: Fs32 kHz (12 bits,
channels 1/2, channels 3/4),
Fs48 kHz (16 bits, channels 1/2)
Video signal
NTSC color, EIA standards (DSR-250),
PAL colour, CCIR standards
(DSR-250P)
Usable cassette
DVCAM cassette with the
mark printed
Mini DVCAM cassette with the
mark printed
DV cassette with the
mark
printed
Mini DV cassette with the
mark printed
Tape speed
DVCAM format:
Approx. 28.218 mm/s
DV format SP mode: Approx.
18.812 mm/s
Recording/playback time
DVCAM format: 184 min (using
cassette PDV-184ME)
DV format SP mode: 270 min
(using cassette PDV-184ME)
Fast-forward/rewind time
Approx. 45 s (using cassette
DVM60/PDVM-40ME)
Approx. 2 min 30 s (using cassette
PDV-184ME)
DSR-250/250P
Photo : DSR-250
SPECIFICATIONS
Viewfinder
Electric viewfinder (B&W)
Image device
1/3 type CCD (3 Charge Coupled
Device) Approx. 380 000 pixels
(Effective: Approx. 340 000 pixels)
(DSR-250), Approx. 450 000 pixels
(Ef
fective: Approx. 400 000 pixels)
(DSR-250P)
Lens
Combined power zoom lens
Filter diameter 58 mm (2 3/8 in)
12× (Optical), 48× (Digital)
F1.6 - 2.4
Focal length
6 - 72 mm (1/4 - 2 7/8 in)
When converted to a 35 mm still
camera
43.2 - 518.4 mm (1 3/4 - 20 1/2 in)
Colour temperature
Auto, nIndoor (3 200 K),
Outdoor (5 800 K),
(A, B)
Minimum illumination
2 lux (F1.6)
Input/Output connectors
VIDEO IN/OUT
Input/output auto switch
RCA pin-jack, 1 Vp-p, 75 ohms,
unbalanced, sync negative
S VIDEO
Input/output auto switch
4-pin mini DIN
Luminance signal: 1 Vp-p,
75 ohms, unbalanced
Chrominance signal: 0.286 Vp-p
(DSR-250), 0.3 Vp-p (DSR-250P),
75 ohms, unbalanced
RMT-811
AUDIO IN/OUT CH-1/CH-2
Input/output auto switch
RCA pin-jack, 245 mV, (at output
impedance more than 47 kilohms)
Output impedance with less than
2.2 kilohms
Input impedance more than
47 kilohms
AUDIO IN CH1/CH2
XLR 3-pin, female
–60 dBu: 6.8 kilohms,
+4 dBu: 6.8 kilohms
(0 dBu = 0.775 Vrms)
PHONES
Stereo minijack (ø 3.5 mm)
LANC control jack
Stereo mini-minijack (ø 2.5 mm)
MIC IN +48V
XLR 3-pin, female
VF
20-pin
LIGHT
2-pin
DV IN/OUT
6-pin connector
Speaker
Dynamic speaker (ø 20 mm)
DC IN 12V
XLR 4-pin, female
DC OUT 12V
4-pin, male
LCD screen
Picture
2.5 type measured diagonally
49.9 × 37.3 mm (2 × 1 1/2 in)
Total dot number
200 640 (880 × 228)
DIGITAL CAMCORDER
RMT-811
US Model
Canadian Model
DSR-250
AEP Model
DSR-250P
R MECHANISM
General
Peak inrush current (DSR-250P)
(1) Hot switching inrush current,
measured in accordance with
European standard EN55103-1:
6.3 A (230 V)
Power requirements
14.4 V (Lithium-ion battery pack)
12 to 17 V (AC power adaptor)
Average power consumption
(when using the battery pack)
During camera recording using
LCD
12.1 W
Viewfinder
10.5 W
Operating temperature
0 °C to 40 °C (32 °F to 104 °F)
Storage temperature
–20 °C to +60 °C (–4 °F to +140 °F)
Dimensions (approx.)
242 × 251 × 509 mm (9 5/8 × 10 ×
20 1/8 in) (w/h/d)
Mass (approx.)
3.5 kg (7 lb 11 oz)
main unit only
4.9 kg (10 lb 13 oz)
including the BP-L40 (A) battery
pack, cassette PDV-184ME,
microphone, viewfinder, and
hood cap
Supplied accessories
See page 2.
— Continued on next page —

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  • Page 1 DSR-250/250P RMT-811 SERVICE MANUAL SERVICE MANUAL US Model Canadian Model Ver 1.0 2000. 08 DSR-250 AEP Model DSR-250P R MECHANISM Photo : DSR-250 RMT-811 NTSC model : DSR-250 PAL model : DSR-250P SPECIFICATIONS Viewfinder AUDIO IN/OUT CH-1/CH-2 General Video camera Electric viewfinder (B&W) Input/output auto switch recorder...
  • Page 2 NOTE: Follow the disassembly procedure in the numerical order given. 2-1. LCD SECTION (PD-126 BOARD, INVERTER TRANSFORMER UNIT) Two screws (M2 × 4), lock ace, p2 Two screws (M2 × 4), cabinet (C) lock ace, p2 REMOVING THE PD-126 BOARD, Two screws (M2 ×...
  • Page 3 2-2. CARRYING HANDLE SECTION (TH-010, ME-019 BOARDS, VF SHOE BASE) REMOVING VF SHOE BASE Rear handle Carrying handle cover assembly block assembly Two screws (M2 × 4), lock ace, p2 Two screws (M3 × 8) Lock ring (D), Screw Two screws (M2 ×...

  • Page 4: Vf Section (Main, Sub Boards)

    2-3. VF SECTION (MAIN, SUB BOARDS) Refer to the separate DXF-801/810CE Service Manual (attach to the end of this manual) [ Section 1. Service Information ]. VF assembly DXF-801 (DSR-250), Two screws (M3 × 6) DXF-801CE (DSR-250P) Two screws (M3 × 8) 3 Bottom case 4 VF cable...

  • Page 5: Cabinet (R) Block Assembly (Sw-343 Board)

    2-4. CABINET (R) BLOCK ASSEMBLY (SW-343 BOARD) FP-245 flexible board (10P) Cabinet (R) block assembly Two screws (M3 × 8) Two screws (M3 × 8) REMOVING THE SW-343 BOARD VR knob Screw (M2 × 3), lock ace, p2 SW protection sheet Seven screws (M2 ×...

  • Page 6: Hinge Section (Hinge Assembly, Fp-241 Flexible Board)

    2-5. HINGE SECTION (HINGE ASSEMBLY, FP-241 FLEXIBLE BOARD) REMOVING HARNESS (PS-111) (14P), HARNESS (PS-110) (8P) Remove the harness Harness (PS-111) (14P),harness (PS-110) (8P) (PS-110) (8P) in the Harness direction of the arrow. (PS-111) (14P) When removing it, be careful not Three screws (M2 ×...

  • Page 7: Cabinet (L) Assembly, Mechanism Deck

    2-6. CABINET (L) ASSEMBLY, MECHANISM DECK 6 Flexible board (from capstan motor) (18P) 7 Flexible board (from drum motor) (11P) Four screws Five screws (M3 × 8) (M3) step Harness (from loading motor) (2P) Mechanism 9 Flexible board (from drum motor) (10P) deck Harness (from cam motor) (2P)
  • Page 8 2-7. DD-146, IN-057 BOARDS DD-146 board Two screws (M2 × 3), lock ace, p2 Two screws (M2 × 3), lock ace, p2 IN-057 board [DD-146, IN-057 BOARDS SERVICE POSITION] How to make the DC cable (See page 2-1) AC IN Regulated power supply DD-146 board IN-057 board...

  • Page 9: Video In/Out

    2-8. VI-156 BOARD 4 FVK-001 flexible flat cable (8P) 5 Harness (VL-054) (6P) Harness (VH-050) (12P) 6 Harness (MV-124) (7P) 7 Harness (VM-068) (12P) 8 Harness (VG-052) (12P) VI-156 board 9 Harness (VF-071) (3P) 2 Two screws (M2 × 3), lock ace, p2 qd FP-243 flexible board (27P)

  • Page 10: Lens Block Assembly

    2-9. LENS BLOCK ASSEMBLY (ON-001, NO-001 BOARDS, CONTROL SWITCH BLOCK (CF-1044)) Mi ring assembly, Control switch block (EG-1044) (6P) Three screws (M2 × 6) lock ace, p2 Screw (M3 × 8) Screw (M3 × 8) Lens block assembly Two screws (M3 ×...

  • Page 11: 2-10.Lens Block Assembly (Lens Cabinet (R))

    2-10.LENS BLOCK ASSEMBLY (LENS CABINET (R)) CAUTION WHEN INSTALLING AND REMOVING SCREWS When you want to remove screws, remove this screw first. Also remove this screw last when re-installing the parts. Two screws (M2 × 4), Two screws (M2 × 4), lock ace, p2 Screw (M2 ×...
  • Page 12 [SERVICE POSITION TO CHECK THE CAMERA SECTION] Connection to Check the CAMERA Section To check the CAMERA Section, set the CAMERA to the "forced CAMERA power ON" mode. Setting the “Forced CAMERA Power ON” mode Exiting the “Forced CAMERA Power ON” mode 1) Select page: 0, address: 01, and set data: 01.

  • Page 13: 2-12.Fs-082 Board, 4P Connector (With Dc Sw)

    2-11.XL-003, VO-012, DV-031, RL-057 BOARDS VO-012 board, DV-031 board Two screws (M2 × 3) lock ace, p2 Screw (M2 × 3) lock ace, p2 XL-003 board, XLR bracket, AU slide knob Two screws (M3 × 8) RL-057 board, LANC bracket REMOVING XL-003 BOARD 2-12.FS-082 BOARD, 4P CONNECTOR (WITH DC SW) Two screws (M2.6 ×...
  • Page 14 [CONNECTION DIAGRAM FOR SERVICE POSITION (Mainly for voltage measurement and check)] (TH-010, ME-19, MAIN, SUB, SW-343, DD-146, IN-057, VI-156, ON-001, NO-001, CD-274, XL-003, RL-057, FS-082 boards, Mechanism deck) A Flexible board (from capstan motor) (18P) B Flexible board (from drum motor) (11P) Harness (from loading motor) (2P) Harness...

  • Page 15: 2-13.Circuit Boards Location

    2-13.CIRCUIT BOARDS LOCATION The circuit boards contained in the mechanism deck and that in the zoom lens are not shown. KY-049 (VCR FUNCTION) TH-010 EJ-034 (SIRCS (REAR)) (EJECT) HP-129 LL-010 (HEADPHONE OUT) (USER FUNCTION) PD-126 VL-034 (RGB DRIVE, TIMING GEN) (LIGHT) INVERTER TRANSFORMER UNIT...

  • Page 16: 2-14.Flexible Boards Location

    2-14.FLEXIBLE BOARDS LOCATION The flexible boards contained in the mechanism deck and that in the zoom lens are not shown. CONTROL SWITCH BLOCK (EG-1044) FKE-001 FVK-001 FVS-001 CONTROL SWITCH BLOCK (CF-1044) FP-241 FP-245 FSS-004 FRV-008 FP-243 FP-242 2-16E...
  • Page 17 6. V-COM Adjustment (PD-126 board) 7. White Balance Adjustment (PD-126 board) Set the DC bias of the common electrode drive signal of LCD to the Correct the white balance. specified value. If deviated, the reproduction of the LCD screen may degenerate. If deviated, the LCD display will move, producing flicker and Mode VTR stop...

  • Page 18: Mechanical Section Adjustment

    5-2. MECHANICAL SECTION ADJUSTMENT INFORMATION 5-34...

  • Page 19: How To Load/Unload

    5-2-1. PARTS REPLACEMENT AND PREPARATION FOR ADJUSTMENT 2-1-1. ASSEMBLY/DISASSEMBLY OF CASSETTE COMPARTMENT For details on disassembling the mechanism deck (R mechanism), refer to the Service Manual of the main unit in which the R mechanism is mounted. Before attaching or removing the cassette compartment, check the position of “L cassette”. Screw Cassette compartment Tightening torque of cassette compartment...

  • Page 20: Mode Selector Ii Connection

    2-1-3. About Mode Selector II • About Mode Selector II 3-2. MECHANISM CONDITION (POSITION) 3-1. OUTLINE SHIFTING ORDER LIST This unit is a mechanism drive tool which supplements the maintenance of each mechanism deck. Its functions are described After selecting the mechanism deck, select one of the two test modes other than the auto test, and press the RVS or FF button to specify below.

  • Page 21: Cleaning Of Rotary Drum Assembly

    5-2-2. PERIODIC CHECK • Carry out the following maintenance and periodic checks not only to fully display the functions and performance of the set, but also for the equipment and tape. After replacing, service the set as follows, regardless of the length of use. 2-2-1.

  • Page 22: Parts Replacement

    5-2-3. PARTS REPLACEMENT • Precaution For details on disassembling the cabinets, boards and other parts, refer to “Disassembly” of the Service Manual of each model. For details on replacing parts (disassembly, assembly) of the mechanism deck, refer to “Information” on page 5-34. 2-3-1.

  • Page 23: Capstan Cover

    2-3-3. CAPSTAN COVER 2-3-4. REEL MOTOR Disassembly/Assembly Disassembly/Assembly Tightening torque of reel motor Tightening torque of capstan cover Screw 0.0686 ± 0.0098 N • m (0.7 ± 0.1 kg • cm) 0.3432 ± 0.0196 N • m (3.5 ± 0.2 kg • cm) Claw Fasten the screws Screw...
  • Page 24 2-3-6. GL ARM S ASSEMBLY, GL ARM T ASSEMBLY, COASTER S ASSEMBLY AND COASTER T ASSEMBLY Disassembly: Remove the parts in order of 1,2,3,4,5,6,7,8,9,0 For the disassembling and assembling procedures of the GL gear, GL helical torsion spring, etc., refer to page 5-50. Move the TG2/7 arms to the loading position with the regulated power supply or by hand while referring to page 5-35.
  • Page 25 2-3-7. MIC BASE GUIDE, MIC BASE ASSEMBLY AND MIC BASE SPRING Disassembly/Assembly Remove the six solders on the FP-104 flexible board from the rear of the chassis. Pass the flexible board through hole For the disassembling and assembling procedures of the components A and pull it out of the front side of the chassis while being of the MIC base assembly, refer to page 5-50.

  • Page 26: Pinch Arm Assembly

    2-3-9. PINCH ARM ASSEMBLY 2-3-10. CAPSTAN MOTOR Disassembly/Assembly Disassembly/Assembly For the disassembling and assembling procedures of the tape retainer (After assembling, adjust the tape path from page 5-52.) and compression coil spring (tape retainer), refer to page 5-51. Roller Capstan motor Roller Pinch arm assembly Be careful not to touch the...

  • Page 27: Reel Table Assembly, Idler Gear A Assembly And Idler Gear B

    2-3-12. BRAKE ARM S, RATCHET BRAKE T, TENSION COIL SPRING (BRAKE), SBR SLIDER AND FP-248 FLEXIBLE BOARD (CONDENSATION SENSOR) Remove the SBR slider Portion of the SBR slider while being careful not Disassembly: Remove them in order of 1,2,3,4 to touch the adjuster. and brake arm S must run (To attach them, perform the disassembly steps in reverse order.) close to each other.

  • Page 28: Cam Motor, Motor Holder

    2-3-14. REEL BASE RETAINER, REEL BASE T ASSEMBLY AND REEL BASE S ASSEMBLY (REEL LOCK RELEASE BLOCK AND REEL LOCK RELEASE SPRING) Disassembly: Remove them in order of 1,2,3 Assembly: Attach them in order of 1,2,3 (Refer to Assembly, too.) 1 Move the reel selector slider in the direction of arrow A to check that the reel selector lever is “L cassette”.

  • Page 29: Tg2/7 Arm Block, Tg2/7 Band Block And Tension Coil Spring (Tg2)/(Tg7)

    2-3-16. TG2/7 ARM BLOCK, TG2/7 BAND BLOCK AND TENSION COIL SPRING (TG2)/(TG7) Disassembly: Remove them in order of 1,2,3,4 For the disassembling and assembling procedures of the assembly Notes during work components of the TG2/TG7 arm, refer to page 5-51. Be careful when handling the TG arm and the peripheral parts.
  • Page 30 2-3-17. SUB-SLIDER ARM, SUB-SLIDER, ENCODER GEAR, MAIN CAM GEAR, COUPLING GEAR, SUB-CAM GEAR, PINCH SLIDER AND LOADING ARM ASSY Disassembly: Remove them in order of 1,2,3,4,5,6,7,8 Disassembly of the pinch slider Move the pinch slider to the leftmost end, and slide it upward and remove it when two shafts A are Pinch slider superimposed on the holes of the pinch slider.
  • Page 31 4 Apply grease to the fixing block (shaft J and U-shaped groove [Front side of chassis] K) of the coupling gear and portion L of the sub-cam gear (half size of one grain of rice for each part). (Fig. 8) 5 Attach the coupling gear.

  • Page 32: Main Slider, Main Slider Arm And Pendulum Stopper Assembly

    2-3-18. MAIN SLIDER, MAIN SLIDER ARM AND PENDULUM STOPPER ASSEMBLY Disassembly: Remove them in order of 1,2,3 Disassembly of each part The main slider controls several parts. Before removing the main slider, remove “Brake arm S” at the front of the chassis while Main slider referring to “Information”...
  • Page 33 2-3-19. MD-76 BOARD AND ENCODER RETAINER Disassembly: Remove them in order of 1,2,3,4,5,6,7,8,9 Disassembly of MD-76 board Screw Peel off the FP-248 flexible board at the front of the chassis MD-76 board (refer to page 5-43). Remove the six solders on the FP- 104 flexible board from the rear of the chassis.

  • Page 34: Components Of Gl Arm S/T Assembly

    2-3-20. COMPONENTS OF GL ARM S/T ASSEMBLY (GL ARM ASSEMBLY, GL HELICAL TORSION SPRING, GL GEAR) Disassembly and distinguishing the S side from the T side Assembly 1 Attach each GL helical torsion spring to the GL gear. To distinguish the S side from the T side when the opening of the One phase adjustment hole spring tip is facing toward the front, note that the coil tip of the S side is located on the left and that of the T side is located on...

  • Page 35: Components Of Drum Assembly

    2-3-22. COMPONENTS OF DRUM ASSEMBLY (MOTOR FPC ASSEMBLY, ELASTIC CONNECTOR) Disassembly/Assembly Connect the elastic connector to the drum assembly and attach the motor FPC assembly while aligning pin B with hole C of the drum assembly. Fix the supporter plate with the screws while being careful of pin A of the motor FPC assembly.

  • Page 36: Check And Adjustment

    5-2-4. CHECK AND ADJUSTMENT • When the parts of the tape path (tape guide, reel table, etc.) have been removed or parts have been replaced, adjust the following parts according to the flowchart below. • ADJUSTMENT POSITION (Tracking entrance, curl) (Tracking exit, curl) (TG2 height/FWD height, curl) (TG7 height/RVS position, curl)

  • Page 37: Reel Table Height Check And Adjustment

    2-4-1. REEL TABLE HEIGHT CHECK AND ADJUSTMENT 1. Preparation before check 2. Check and adjustment Check that the cassette compartment has already been removed. Put the reel reference plate (J-23) on each reel table. Rotate the (Refer to page 5-35.) screw block of the reel table so that the height of the cassette Fit the cassette reference plate (J-22) in the cassette positioning reference plate is the same as that of the reel reference plate.

  • Page 38: Tg2/7 Height Check And Adjustment

    2-4-3. TG2/7 HEIGHT CHECK AND ADJUSTMENT 1. Preparation before check 2. Check and adjustment 1) Check that the cassette compartment block has already been Rotate the TG upper flange until the height of the TG2/7 preset removed. (Refer to page 5-35.) plate (J-24) and TG2 or TG7 roller block is the same.

  • Page 39: Electric Tension Regulator Check And Adjustment Of Tg2/7 Arm

    2-4-5. ELECTRIC TENSION REGULATOR CHECK AND ADJUSTMENT OF TG2/7 ARM 1. Preparation before check Check that the cassette compartment block has already been Attach the cassette reference plate (J-22) and TG2/7 preset plate removed. (Refer to page 5-35.) (J-24). (Refer to page 5-54.) Set the mechanism deck to the loading end position (TG2 to 7 Connect the relay board for tension regulator adjustment (J- already moved to the loading end position and the pinch roller...
  • Page 40 2-4-6. FWD/RVS BACK TENSION CHECK AND ADJUSTMENT 2. Check and adjustment 1. Preparation before check • FWD (TG2) side Mount the mechanism deck in the main unit, connect all the The torque value should satisfy 9.5 ± 1.5 × 10 connectors, then insert the mini DV torque cassette (J-18) into the mN •...

  • Page 41: Track Adjustment And Check

    2-4-8. TRACK ADJUSTMENT AND CHECK (Checking the RF Waveform) • Checking the RF waveform • If not flat Check that the RF waveforms at both the entrance and exit are flat If the waveform at the entrance is bad, rotate TG3. If the waveform while the tracking tape (J-17) runs in the PLAY mode.

  • Page 42: Cue/Rev Check

    2-4-10. CUE/REV CHECK • Check Check that the intervals of the waveform peaks are consistent while the tracking tape (J-17) runs in the CUE mode or REV mode. [Waveform in CUE or REV mode] The intervals of the waveform peaks must be consistent.

  • Page 43: Rising Check

    2-4-12. RISING CHECK • Check • Check after checking rising Check that when the tracking tape (J-17) is switched from the STOP, • Check that the tape loads and unloads smoothly. CUE, REV, FF, REW modes to the PLAYBACK mode, the •...

  • Page 44: Video Section Adjustments

    5-3. VIDEO SECTION ADJUSTMENTS NTSC model : DSR-250 PAL model : DSR-250P 3-1. PREPARATIONS BEFORE ADJUSTMENTS Use the following measuring instruments for video section adjustments. 3-1-1. Equipment Required 1) TV monitor 2) Oscilloscope (dual-phenomenon, band above 30 MHz with delay mode) (Unless specified otherwise, use a 10 : 1 probe.) 3) Frequency counter 4) Pattern generator with video output terminal.
  • Page 45 3-1-2. Precautions on Adjusting The adjustments of this unit are performed in the VTR mode The DV-031 board (DV connector) is need not be connected. or camera mode. To open the VI-156 board, disconnect the following connectors. To set to the VTR mode, set the MODE switch to “VTR” or set VI-156 board CN010 (6P, 1.5mm) the “Forced VTR Power ON mode”...

  • Page 46: How To Enter Record Mode Without Cassette

    3-1-3. HOW TO ENTER RECORD MODE WITHOUT 3-1-5. Adjusting Connectors CASSETTE Some of the adjusting points of the video section are concentrated at VI-156 board CN007. Connect the measuring instruments via 1) Connect the adjustment remote commander to the LANC jack. the CPC-13 jig (J-6082-443-A).
  • Page 47 3-1-7. Alignment Tapes Use the alignment tapes shown in the following table. Use tapes specified in the signal column of each adjustment. Name Tracking standard (XH2-1A1) Tape path adjustment SW/OL standard (XH2-3) Switching position adjustment Audio operation check Audio system adjustment (XH5-3 (NTSC), XH5-3P (PAL)) System operation check Operation check...

  • Page 48: System Control System Adjustment

    3-2. SYSTEM CONTROL SYSTEM ADJUSTMENT 2-2. Serial No. Input Write the serial No. and model code in the EEPROM (nonvolatile memory). Convert the serial No. on the name plate from decimal to 1. Initialization of A, B, C, D, E, F, 8 Page Data hexadecimal, and write in the EEPROM.
  • Page 49 Hexa- Hexa- Hexa- Hexa- Hexa- Hexa- Hexa- Hexa- Decimal Decimal Decimal Decimal Decimal Decimal Decimal Decimal decimal decimal decimal decimal decimal decimal decimal decimal 0000 8192 2000 16384 4000 24576 6000 32768 8000 40960 A000 49152 C000 57344 E000 0100 8448 2100 16640...
  • Page 50 3. Battery End Adjustment Order Page Address Data Procedure Set the battery end voltage. Set the data, and press PAUSE If the voltage is incorrect, the life of the battery will shorten. button. The image at the battery end will also be rough. Set the data, and press PAUSE Mode Camera recording...

  • Page 51: Servo And Rf System Adjustment

    3-3. SERVO AND RF SYSTEM ADJUSTMENT 2. PLL f & LPF f Adjustment (VI-156 board) Before perform the servo and RF system adjustments, check that the specified value of “27 MHz Origin Oscillation Adjustment” of Mode VTR stop “CAMERA SYSTEM ADJUSTMENT” is satisfied. Measurement Point Display data of page: 3, address: 03 Measuring Instrument...
  • Page 52 3. Switching Position Adjustment (VI-156 board) 4. AGC Center Level and APC & AEQ Adjustment 4-1. Preparations before adjustments Mode VTR playback Mode Camera recording Signal SW/OL reference tape (XH2-3) Subject Arbitrary Measurement Point Display data of page: 3, address: 03 Measuring Instrument Adjustment remote commander Adjusting method:...
  • Page 53 4-3. APC & AEQ Adjustment (VI-156 Board) 5. PLL f & LPF f Final Adjustment (VI-156 board) Mode Playback Mode VTR stop Signal Recorded signal at “Preparations Signal Arbitrary before adjustments” Measurement Point Display data of page: 3, address: 03 Measurement Point Pin 2 of CN007 (RF MON) (Note 1) Measuring Instrument...

  • Page 54: Video System Adjustments

    3-4. VIDEO SYSTEM ADJUSTMENTS 2. S VIDEO OUT Y Level Adjustment (VI-156 board) Before perform the video system adjustments, check that the specified value of “27MHz Origin Oscillation Adjustment” of Mode Camera “CAMERA SYSTEM ADJUSTMENT” is satisfied. Subject Arbitrary Measurement Point Y signal terminal of S VIDEO jack 3-4-1.
  • Page 55 3. S VIDEO OUT Chroma Level Adjustment 4. VIDEO OUT Y, Chroma Level Check (VI-156 board) (VI-156 board) Mode Camera Mode Camera Subject Arbitrary Subject Arbitrary Measurement Point VIDEO jack (75Ω terminated) Measurement Point Chroma signal terminal of S VIDEO Measuring Instrument Oscilloscope jack (75Ω...
  • Page 56 3-4-2. BIST Check 1-3. IC301 AUD (ABUS) PB BIST Check Order Page Address Data Procedure Switch setting: Set the data, and press PAUSE LCD panel ..............Open button. Set the data, and press PAUSE 1. Playback System Check button. 1-1. Preparations for Playback Set the data, and press PAUSE button.

  • Page 57: Ic301 Encoder Bist Check

    1-5. IC301 ENCODER BIST Check 1-6. Processing after Completing Playback System • Preparations Check Order Page Address Data Procedure Order Page Address Data Procedure Set the data. Set the data. Set the data, and press PAUSE Set the data, and press PAUSE button.

  • Page 58: Audio System Adjustments

    3-5. AUDIO SYSTEM ADJUSTMENTS Switch setting: AUDIO INPUT CH1 (SW-343 board) ........ REAR AUDIO INPUT CH2 (SW-343 board) ........ REAR AUDIO SELECT CH1 (SW-343 board) ......AUTO AUDIO SELECT CH2 (SW-343 board) ......AUTO AUDIO MONITOR (SW-343 board) ........MIX CH1 LINE/MIC SELECT (XL-003 board) ......

  • Page 59: Audio Jack

    1. Playback Level Check 4. Overall Noise Level Check Mode VTR playback Mode Camera recording and playback Signal Alignment tape: Signal No signal: Insert a shorting plug in the For audio operation check XLR jack (XH5-3 (NTSC)) Measurement Point Audio CH1 or CH2 terminal of (XH5-3P (PAL)) AUDIO jack Measurement Point...

  • Page 60: Service Mode

    5-4. SERVICE MODE 4-1. ADJUSTMENT REMOTE COMMANDER 2. Precautions upon using the adjustment remote commander The adjustment remote commander is used for changing the calculation coefficient in signal processing, EVR data, etc. The Mishandling of the adjustment remote commander may erase the correct adjustment data at times.

  • Page 61: Data Process

    4-2. DATA PROCESS The calculation of the DDS display and the adjustment remote commander display data (hexadecimal notation) are required for obtaining the adjustment data of some adjustment items. In this case, after converting the hexadecimal notation to decimal notation, calculate and convert the result to hexadecimal notation, and use it as the adjustment data.

  • Page 62: Emg Code (Emergency Code)

    4-3. SERVICE MODE 2-1. EMG Code (Emergency Code) 1. Setting the Test Mode Codes corresponding to the errors which occur are written in Page D Address 10 addresses F4, F8 and FC. The type of error indicated by the code are shown in the following table.
  • Page 63 2-2. MSW Code MSW when errors occur: Information on MSW (mode SW) when errors occur MSW when movement starts: Information on MSW when movements starts when the mechanism position is moved (When the L motor is moved) MSW of target of movement: Information on target MSW of movement when the mechanism position is moved Mechanical Position ←...
  • Page 64 3. Bit value discrimination Bit values must be discriminated using the display data of the adjustment remote commander for following items. Use the table below to discriminate if the bit value is “1” or “0”. Display on the adjustment remote commander Address Page bit3 to bit0 discrimination...
  • Page 65 5. Switch check (2) Page 2 Address 5F to 67 Using method: Select page: 2, address: 5F to 67. By discriminating the display data, the pressed key can be discriminated. Data Address 00 (00 to 0A) 19 (0B to 24) 32 (25 to 44) 59 (45 to 6E) 85 (6F to 9F)
  • Page 66 7. Record of Self-diagnosis check Page 2 Address B0 to C6 Address Self-diagnosis code “Repaired by” code (Occurred 1st time) *1 “Block function” code (Occurred 1st time) “Detailed” code (Occurred 1st time) “Repaired by” code (Occurred 2nd time) *1 “Block function” code (Occurred 2nd time) “Detailed”...

  • Page 67: Hrs Meter (Hours Meter)

    8. HRS METER (Hours meter) The data of “HRS METER” of the menu are memorized in addresses 00 to 13 of page A. (VI-156 board IC1105 (EEPROM)). When replacing the drum assy. capstan motor or mechanism deck, reset the data of the addresses corresponding to the replaced parts to “00”. Note: Same data is memorised in two addresses, so be sure to reset both addresses.

  • Page 68: Exploded Views

    DSR-250/250P SECTION 6 REPAIR PARTS LIST 6-1. EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark 0 or have some differences from the original one. in the exploded views are not supplied.
  • Page 69 6-1-2. OVERALL SECTION-2 Mechanism deck (See page 6-11 to 6-14) Lens block section (See page 6-9, 6-10) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-968-729-91 SCREW (M2), LOCK ACE, P2 3-063-700-01 BRACKET (R), MD X-3950-929-1 CABINET ASSY, FRONT LOWER A-7074-553-A ME-019 BOARD, COMPLETE 3-612-604-01 KNOB, VR (AUDIO) 1-960-783-11 HARNESS (VM-068) 12P...
  • Page 70 6-1-3. OVERALL SECTION-3 BT901 CN901 S901 not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3950-947-A FRAME ASSY, CENTER 1-960-796-11 HARNESS (ID-052) 6P 1-960-794-11 HARNESS (IL-053) 6P 3-717-821-01 CAP, BREAKER 1-960-780-11 HARNESS (VV-114) 3P 1-960-795-11 HARNESS (IB-053) 2P A-7074-550-A DV-031 BOARD, COMPLETE A-7074-546-A DD-146 BOARD, COMPLETE...

  • Page 71: Cabinet (R) Section

    6-1-4. CABINET (R) SECTION-1 Cabinet (R) section (See page 6-5, 6-6) LCD901 ND901 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-989-735-91 SCREW (M1.7), LOCK ACE, P2 1-960-798-11 HARNESS (PS-111) 14P 3-063-693-01 COVER (FRONT), HINGE 1-960-797-11 HARNESS (PS-110) 8P 3-968-729-71 SCREW (M2), LOCK ACE, P2 3-060-795-01 TAPE, HARNESS FIXED 3-968-729-51 SCREW (M2), LOCK ACE, P2...
  • Page 72 6-1-5. CABINET (R) SECTION-2 Cabinet (R) assembly (See page 6-6) SP901 - 0 5 - 0 3 - 3 4 : BT501 (Lithium battary) SW-343 board on the mount position.(See page 4-88) Ref. No. Part No. Description Remarks Ref. No. Part No.
  • Page 73 6-1-6 CABINET (R) SECTION-3 not supplied 261 263 not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-968-729-91 SCREW (M2), LOCK ACE, P2 3-063-579-01 KNOB, PANEL LOCK 3-063-590-01 BUTTON, MS 3-055-248-01 SHAFT, PANEL LOCK 3-968-729-51 SCREW (M2), LOCK ACE, P2 * 270 3-063-721-01 SPRING, PANEL LOCK 3-063-599-01 SPRING, MS...

  • Page 74: Cabinet (L) Assembly

    6-1-7. CABINET (L) ASSEMBLY not supplied 317 318 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-063-527-01 COVER (AV), JACK 3-063-530-01 LOCK, CC 3-063-535-01 KEY, EJECT 3-063-531-01 SPRING, CC LEAF 3-063-526-01 COVER (DV), JACK * 314 3-063-524-01 GUIDE (R), CASSETTE 3-063-528-01 SLIDER, CC 7-624-101-04 STOP RING 1.2 (E TYPE)

  • Page 75: Carrying Handle Section

    6-1-8. CARRYING HANDLE SECTION not supplied Included as accessories of headphones jack. Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 7-682-654-09 SCREW +PS M3X25 3-063-653-01 COVER, HANDLE (TOP) * 352 3-687-070-01 WASHER, SHOE A-7074-542-A HP-129 BOARD, COMPLETE 3-686-261-03 SHOE3, SLIDE, VF A-7074-543-A TH-010 BOARD, COMPLETE * 354...

  • Page 76: Lens Block Section

    6-1-9. LENS BLOCK SECTION-1 not supplied not supplied Lens block section (See page 6-10) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-968-729-51 SCREW (M2), LOCK ACE, P2 1-476-007-11 SWITCH BLOCK, CONTROL (CF-1044) 1-679-394-11 FP-243 FLEXIBLE BOARD 27P X-3950-936-1 RING ASSY, MI A-7074-534-A ON-001 BOARD, COMPLETE 3-968-729-11 SCREW (M2), LOCK ACE, P2...
  • Page 77 6-1-10. LENS BLOCK SECTION-2 not supplied Be sure to read “Precautions upon replacing CCD imager” on page 4-9 when changing the CCD imager. Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-060-681-01 RING, NAME 3-948-339-61 TAPPING 3-709-594-01 RING ASSY, GLASS ORNAMENTAL A-7031-100-A PRISM ASSY (SERVICE) (INCLUDING 3CCD) 3-062-454-01 FOOT (A), RUBBER...

  • Page 78: Drum Section

    6-1-11. DRUM SECTION M901 -77.203 CN004 S004 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-675-561-11 FP-104 FLEXIBLE BOARD A-7094-608-B SCREW ASSY, DRUM FITTING * 702 3-057-351-01 GUIDE, MIC BASE 3-973-171-01 SUPPORT, TAPE 3-057-350-02 BASE, MIC 3-057-227-01 RETAINER, TAPE 3-732-817-01 SCREW (M2X4.5), TAPPING 3-973-818-01 SPRING, COMPRESSION (TAPE RETAINER)

  • Page 79: Gear, Arm Section

    6-1-12. GEAR, ARM SECTION M902 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3949-923-1 GEAR (A) ASSY, IDLER 3-057-295-01 SPRING, EXTENSION (TG2) 3-057-311-01 GEAR (B), IDLER 3-057-296-02 SPRING, EXTENSION (TG7) A-7094-599-A REEL (LARGE) BLOCK ASSY X-3949-921-1 BAND (TG7) ASSY 3-057-267-01 GEAR, ENCODER X-3949-920-1 BAND (TG2) ASSY 3-057-294-01 GEAR, MAIN CAM...
  • Page 80 6-1-13. MOTOR, MD-76 BOARD SECTION Q002 M903 Q001 D001 M904 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-7025-007-A COASTER (T) BLOCK ASSY 3-057-282-01 SLIDER, MAIN A-7025-006-A COASTER (S) ASSY 1-657-785-11 FP-248 FLEXIBLE BOARD (DEW SENSOR) * 803 3-057-283-01 ARM, MAIN SLIDER 3-057-320-01 BLOCK, REEL LOCK RELEASE...

  • Page 81: Cassette Compartment Block Assembly

    6-1-14. CASSETTE COMPARTMENT BLOCK ASSEMBLY M905 not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-7094-602-B CASSETTE COMPARTMENT BLOCK ASSY A-7094-689-A GEAR CD BLOCK ASSY (SERVICE) 3-057-254-01 GEAR (A) M905 X-3949-925-1 MOTOR ASSY, FL 3-057-255-01 GEAR (B) 6-14...

  • Page 82: Electrical Parts List

    AE-023 CD-274 6-2. ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name. specified in the diagrams or the components METAL: metal-film resistor The components identified by mark 0 or...
  • Page 83 DC-095 DD-146 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-7074-552-A DC-095 BOARD, COMPLETE C351 1-104-920-11 TANTAL. CHIP 4.7uF C352 1-110-398-11 TANTAL. CHIP 15uF ********************** (Ref.No.;1000Series) C353 1-110-398-11 TANTAL. CHIP 15uF < CONNECTOR > < CONNECTOR > CN281 1-506-467-11 PIN, CONNECTOR 2P * CN301...

  • Page 84: Metal Chip

    DD-146 DV-031 EJ-034 FC-074 FS-082 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q313 8-729-029-14 TRANSISTOR DTC144EUA-T106 R349 1-216-105-91 RES-CHIP 220K 1/10W Q314 8-729-028-91 TRANSISTOR DTA144EUA-T106 R350 1-216-829-11 METAL CHIP 4.7K 1/16W Q315 8-729-042-92 TRANSISTOR 2SK1470-TD R351 1-219-989-11 RES-CHIP 0.02...
  • Page 85 FS-082 HP-129 IN-057 JK-197 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > < CIRCUIT BREAKER > D401 8-719-064-61 DIODE 01BZA8.2(TE85L) CB241 1-532-524-11 BREAKER, CIRCUIT D402 8-719-064-61 DIODE 01BZA8.2(TE85L) < CONNECTOR > < RESISTOR > CN241 1-506-485-11 PIN, CONNECTOR 6P R401...
  • Page 86 JK-197 KP-011 KY-049 LL-010 MD-76 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R187 1-216-864-11 METAL CHIP 1/16W A-7074-544-A LL-010 BOARD, COMPLETE R188 1-216-864-11 METAL CHIP 1/16W ********************** R189 1-216-864-11 METAL CHIP 1/16W (Ref.No.;1000Series) R190 1-216-864-11 METAL CHIP 1/16W ************************************************************ <...
  • Page 87 MD-76 ME-019 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > C721 1-162-964-11 CERAMIC CHIP 0.001uF C722 1-162-964-11 CERAMIC CHIP 0.001uF R001 1-216-816-11 METAL CHIP 1/16W C723 1-164-156-11 CERAMIC CHIP 0.1uF R003 1-216-810-11 METAL CHIP 1/16W C724 1-117-919-11 TANTAL.
  • Page 88 2.2K 1/10W < DIODE > R710 1-216-057-00 METAL CHIP 2.2K 1/10W R711 1-216-037-00 METAL CHIP 1/10W D011 8-719-061-82 DIODE TLSU1002(TPX1,SONY) R712 1-216-037-00 METAL CHIP 1/10W R713 1-216-295-11 SHORT < RESISTOR > R714 1-216-035-00 METAL CHIP 1/10W R012 1-216-818-11 METAL CHIP...
  • Page 89 PD-126 PM-040 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C2117 1-164-874-11 CERAMIC CHIP 100PF < RESISTOR > C2118 1-125-838-11 CERAMIC CHIP 2.2uF 6.3V C2119 1-125-838-11 CERAMIC CHIP 2.2uF 6.3V R2111 1-218-985-11 RES-CHIP 470K 1/16W C2120 1-125-838-11 CERAMIC CHIP 2.2uF 6.3V...
  • Page 90 PM-040 RL-057 SB-036 SE-116 SW-343 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > S066 1-572-078-11 SWITCH, TACTILE (DISPLAY) S067 1-572-078-11 SWITCH, TACTILE (SPOT LIGHT) D081 8-719-064-61 DIODE 01BZA8.2(TE85L) S068 1-572-078-11 SWITCH, TACTILE (BACK LIGHT) D082 8-719-064-61 DIODE 01BZA8.2(TE85L) ************************************************************...
  • Page 91 SW-343 TH-010 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > S511 1-572-078-11 SWITCH, TACTILE (RESET) S512 1-572-078-11 SWITCH, TACTILE (MEMORY-) D101 8-719-064-61 DIODE 01BZA8.2(TE85L) S513 1-572-078-11 SWITCH, TACTILE (END SEARCH) D501 8-719-064-61 DIODE 01BZA8.2(TE85L) S514 1-572-078-11 SWITCH, TACTILE (MEMORY DELETE) D502...
  • Page 92 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C108 1-164-943-11 CERAMIC CHIP 0.01uF C312 1-164-943-11 CERAMIC CHIP 0.01uF C109 1-104-851-11 TANTAL. CHIP 10uF C313 1-164-937-11 CERAMIC CHIP 0.001uF C110 1-164-943-11 CERAMIC CHIP 0.01uF C314 1-164-937-11 CERAMIC CHIP 0.001uF C111 1-164-935-11 CERAMIC CHIP...
  • Page 93 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C712 1-125-777-11 CERAMIC CHIP 0.1uF C908 1-125-777-11 CERAMIC CHIP 0.1uF C713 1-107-826-11 CERAMIC CHIP 0.1uF C910 1-117-919-11 TANTAL. CHIP 10uF 6.3V C714 1-125-777-11 CERAMIC CHIP 0.1uF C911 1-125-837-91 CERAMIC CHIP 6.3V C715...
  • Page 94 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C1048 1-125-837-91 CERAMIC CHIP 6.3V C1114 1-164-943-11 CERAMIC CHIP 0.01uF C1049 1-117-863-11 CERAMIC CHIP 0.47uF 6.3V C1115 1-164-943-11 CERAMIC CHIP 0.01uF C1050 1-117-863-11 CERAMIC CHIP 0.47uF 6.3V C1116 1-164-943-11 CERAMIC CHIP 0.01uF...
  • Page 95 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C1415 1-125-777-11 CERAMIC CHIP 0.1uF C2513 1-127-569-91 TANTAL. CHIP 100uF C1416 1-117-919-11 TANTAL. CHIP 10uF 6.3V C2770 1-125-777-11 CERAMIC CHIP 0.1uF C1417 1-125-777-11 CERAMIC CHIP 0.1uF C2771 1-107-826-11 CERAMIC CHIP 0.1uF C1418...
  • Page 96 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C3338 1-125-777-11 CERAMIC CHIP 0.1uF C4136 1-113-985-11 TANTAL. CHIP 10uF C3339 1-104-851-11 TANTAL. CHIP 10uF C4137 1-104-913-11 TANTAL. CHIP 10uF C3342 1-127-760-11 CERAMIC CHIP 4.7uF 6.3V C4200 1-107-826-11 CERAMIC CHIP 0.1uF C3343...
  • Page 97 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks CN006 1-779-329-11 CONNECTOR, FFC/FPC 10P < FERRITE BEAD > CN007 1-766-350-21 CONNECTOR, FFC/FPC 20P * CN008 1-580-056-21 PIN, CONNECTOR (SMD) 3P FB101 1-414-760-21 FERRITE CN009 1-569-775-11 PIN, CONNECTOR (SMD) 5P FB140 1-414-445-11 FERRITE * CN010...
  • Page 98 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC502 8-759-593-47 IC AK6417AM-E2 IC3300 8-759-491-09 IC MB4488PFV-G-BND-ER IC503 8-759-443-08 IC TC7W241FU-TE12R IC3301 8-759-364-52 IC TA75S01F(TE85R) IC504 8-759-443-08 IC TC7W241FU-TE12R IC4100 8-759-060-94 IC MB3785APFV-G-BND-ER IC701 8-752-397-67 IC CXD3400N-T4 IC4200 8-759-339-61 IC LB1897D IC702...
  • Page 99 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks L3306 1-412-056-11 INDUCTOR 4.7uH Q1011 8-729-024-39 TRANSISTOR 2SD1511-R/S(TX) L3307 1-414-770-91 INDUCTOR CHIP 4.7uH Q1014 8-729-037-63 TRANSISTOR UN9115J-(K8).SO L3308 1-412-056-11 INDUCTOR 4.7uH Q1015 8-729-037-74 TRANSISTOR UN9213J-(K8).SO L3309 1-414-400-11 INDUCTOR 22uH Q1016 8-729-117-32 TRANSISTOR...
  • Page 100 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q3325 8-729-037-74 TRANSISTOR UN9213J-(K8).SO R103 1-218-965-11 RES-CHIP 1/16W Q3326 8-729-037-52 TRANSISTOR 2SD2216J-QR(K8).SO R104 1-218-963-11 RES-CHIP 6.8K 1/16W Q3327 8-729-037-52 TRANSISTOR 2SD2216J-QR(K8).SO R105 1-218-990-11 SHORT Q3328 8-729-042-26 TRANSISTOR 2SB1462J-QR(K8).SO R106 1-218-989-11 RES-CHIP...
  • Page 101 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R179 1-218-973-11 RES-CHIP 1/16W R503 1-218-977-11 RES-CHIP 100K 1/16W R180 1-218-973-11 RES-CHIP 1/16W R504 1-218-977-11 RES-CHIP 100K 1/16W R181 1-218-953-11 RES-CHIP 1/16W R505 1-218-985-11 RES-CHIP 470K 1/16W R182 1-218-953-11 RES-CHIP 1/16W...
  • Page 102 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R751 1-218-959-11 RES-CHIP 3.3K 1/16W R1020 1-218-971-11 RES-CHIP 1/16W R773 1-218-990-11 SHORT R1021 1-218-971-11 RES-CHIP 1/16W R801 1-218-977-11 RES-CHIP 100K 1/16W R1022 1-218-965-11 RES-CHIP 1/16W R802 1-218-977-11 RES-CHIP 100K 1/16W R1023...
  • Page 103 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1103 1-218-973-11 RES-CHIP 1/16W R1189 1-218-985-11 RES-CHIP 470K 1/16W R1104 1-216-845-11 METAL CHIP 100K 1/16W R1191 1-218-977-11 RES-CHIP 100K 1/16W R1105 1-218-965-11 RES-CHIP 1/16W R1193 1-218-977-11 RES-CHIP 100K 1/16W R1108...
  • Page 104 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1328 1-218-953-11 RES-CHIP 1/16W R1456 1-218-990-11 SHORT R1329 1-218-953-11 RES-CHIP 1/16W R1457 1-218-943-11 RES-CHIP 1/16W R1330 1-218-957-11 RES-CHIP 2.2K 1/16W R1601 1-218-973-11 RES-CHIP 1/16W R1335 1-218-974-11 METAL CHIP 0.5% 1/16W R1602...
  • Page 105 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R2201 1-218-969-11 RES-CHIP 1/16W R2801 1-218-969-11 RES-CHIP 1/16W R2202 1-218-969-11 RES-CHIP 1/16W R2802 1-218-969-11 RES-CHIP 1/16W R2203 1-218-969-11 RES-CHIP 1/16W R2803 1-218-969-11 RES-CHIP 1/16W R2204 1-218-965-11 RES-CHIP 1/16W R2804 1-218-969-11 RES-CHIP...
  • Page 106 VI-156 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R3359 1-218-973-11 RES-CHIP 1/16W R4123 1-216-838-11 METAL CHIP 1/16W R3360 1-218-973-11 RES-CHIP 1/16W R4124 1-216-864-11 METAL CHIP 1/16W R3361 1-218-969-11 RES-CHIP 1/16W R4126 1-216-833-11 METAL CHIP 1/16W R3362 1-218-973-11 RES-CHIP 1/16W...
  • Page 107 VI-156 VL-034 VO-012 XL-003 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R4506 1-216-864-11 METAL CHIP 1/16W A-7074-557-A VO-012 BOARD, COMPLETE R4507 1-216-821-11 METAL CHIP 1/16W ********************** R4508 1-218-899-11 METAL CHIP 150K 0.5% 1/16W (Ref.No.;1000Series) R4509 1-218-871-11 METAL CHIP 0.5% 1/16W...
  • Page 108 XL-003 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C836 1-125-926-91 TANTAL. CHIP 4.7uF 6.3V R806 1-216-057-00 METAL CHIP 2.2K 1/10W C837 1-125-926-91 TANTAL. CHIP 4.7uF 6.3V R807 1-216-057-00 METAL CHIP 2.2K 1/10W C838 1-125-926-91 TANTAL. CHIP 4.7uF 6.3V R808...
  • Page 109 Ref. No. Part No. Description Remarks ACCESSORIES *********** 1-475-950-21 REMOTE COMMANDER (RMT-811) 1-575-334-11 CORD, CONNECTION (AV CABLE) 1-792-826-11 CORD, CONNECTION (USB CABLE) 3-053-056-01 LID, BATTERY CASE (FOR RMT-811) 3-060-458-11 MANUAL, INSTRUCTION (PICTURE GEAR 4.1 LITE) (ENGLISH/RUSSIAN) 3-060-458-21 MANUAL, INSTRUCTION (PICTURE GEAR 4.1 LITE) (FRENCH/GERMAN) 3-060-476-01 PICTURE GEAR 4.1 LITE (SYSTEM DISK) 3-061-255-01 SYSTEM DISK (MSAC-US1) 3-062-061-12 MANUAL, INSTRUCTION...
  • Page 110 ELECTRONIC VIEWFINDER DXF-801 DXF-801CE SERVICE MANUAL Attached Manual...

  • Page 111: Service Information

    Section 1 Service Information 1-1. Board Layout 1-2. Replacement of Main Parts 1-2-1. Notes on Replacement of MAIN Board MAIN board To replace the MAIN board, perform adjustment referring LED(A) board to Section 2.“Alignment”. 1-2-2. Replacement of CRT/DY Assembly SUB board If a deflection yoke is replaced, you should replace assembly LED(B) board of CRT and deflection yoke (CRT/DY assembly).
  • Page 112 1-2. Replacement of Main Parts 3. Remove the slide ring. Remove two screws and remove 5. Disconnect four connectors CN2, 3, 4 and 5 on the the CRT/DY assembly from outside holders B and T. MAIN board and high-voltage cable. Disconnect the CRT socket from the CRT/DY assembly.
  • Page 113 Use a VF loupe to match your visibility range. VF loupe VF loupe for aged eyes; Lens holder (2) _2D to +1D (Sony part No. 3-725-276-01) _0.5 to +3D (Sony part No. 3-176-501-01) (For reference) Standard ; _3D to 0D Convexity 1.
  • Page 114 1-4. Replacement of Outside Holder T and Eyepiece Outer Ring 1-4. Replacement of Outside Holder T 4. Pull out two pins. and Eyepiece Outer Ring 1. Remove the outside holder T referring to Section 1-2- 2. “Replacement of CRT/DY assembly”. 2.

  • Page 115: Recommended Replacement Parts

    Correspond to Left Eye Parts listed below are recommended replacement parts. Part Required (sold separately) They are subject to cracks with the lapse of time. Check Left eye adaptor (Sony Part No.: A-8267-181-A) sometimes by visual, and replace as necessary. Description Sony P/N...
  • Page 116 2-1-1. Equipment Required . B/W monitor PVM-91/91CE or equivalent Tools . Pattern box PTB-500 2-1-2. Notes on Adjustment Sony part number : J-6029-140-B . Resolution chart Because DSR-250/250P can select the aspect ratio 16:9 or Sony part number : J-6026-100-A 4:3, some adjustment items need changing the setting of .
  • Page 117 2-2. Viewfinder System Adjustment 2-2. Viewfinder System Adjustment 2-2-3. Vertical Hold Adjustment 2-2-1. + + + + + 9.5 V Adjustment Note . Perform adjustment with removing R76 resistor on the Note SUB board. After adjustment, re-mount R76 resistor. . Perform the adjustment only when measured voltage is .
  • Page 118 2-2. Viewfinder System Adjustment 2-2-4. Horizontal Hold Adjustment Note When this adjustment is carried out, “2-2-2. Heater Voltage Pre-Adjustment” must be confirmed. Object : White Window chart Equipment : Waveform monitor, Oscilloscope Trigger : CH2/Oscilloscope Preparation [DSR-250/250P] 1. Shoot the White Window chart and adjust the lens zoom so that the picture on the monitor screen becomes all white.

  • Page 119: Main Board

    2-2. Viewfinder System Adjustment 2-2-5. Focus Adjustment Note . “2-2-6. Picture Frame Adjustment” and this adjustment affect each other. Repeat these adjustments until both specifications are met. . When these adjustments are carried out, “2-2-2. Heater Voltage Pre-Adjustment” must be confirmed again. Object : Resolution chart Equipment :...

  • Page 120: Component Side

    2-2. Viewfinder System Adjustment 2-2-6. Picture Frame Adjustment 4. Adjust 1RV2 (H-SIZE)/MAIN board so that the H size of resolution chart is underscanned by approxi- mately Note 2 mm from the CRT picture frame. . “2-2-5. Focus Adjustment”, “2-2-7. Operational Amplifi- 5.
  • Page 121 2-2. Viewfinder System Adjustment 2-2-7. Operational Amplifier Output 2-2-8. Bright Calibration Adjustment Adjustment Preparation Note [DSR-250/250P] . MODE switch → VTR When this adjustment is carried out, “2-2-5. Focus Adjustment” and “2-2-2. Heater Voltage Pre-Adjustment” After adjustment, reset to “CAMERA” position. .
  • Page 122 2-2. Viewfinder System Adjustment 2-2-9. Heater Voltage Adjustment Equipment : Digital voltmeter (AC mode) TP5 ↔ TP6/MAIN board Test point : Adjusting point : 1RV4 (VH-ADJ)/MAIN board 0.65 ± 0.03 Vrms Specification : MAIN BOARD MAIN BOARD TP8 TP9 TP10 TP11 TP13 TP12...

  • Page 123: Notes On Repair Parts

    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.

  • Page 124: Exploded Views

    Exploded views 3-2. Exploded Views Part No. SP Description Part No. SP Description A-8279-329-A s DXF-801 [VF ASSY (UCJ)] 7-627-556-38 s SCREW P2.6X4 A-8326-150-A s DXF-801CE [VF ASSY (CE)] 7-682-547-09 s SCREW B3X6 9-885-000-94 o CASE, BOTTOM 1-761-318-11 o MOUNTED CIRCUIT BOARD, MAIN 9-885-000-95 o CLAMP, CABLE 1-761-319-11 o MOUNTED CIRCUIT BOARD, SUB (J, UC) 9-885-000-96 o LABEL, VF...
  • Page 125 Exploded views B2 X 5 B2 X 5 Part No. SP Description Part No. SP Description A-8279-329-A s DXF-801 [VF ASSY (UCJ)] 9-933-340-02 s HOLDER B, OUTSIDE A-8326-150-A s DXF-801CE [VF ASSY (CE)] 9-933-341-02 o OUTER RING, EYEPIECE 9-933-342-01 o INNER RING, EYEPIECE 1-251-463-11 s CRT/DY+CONNECTOR ASSY 9-933-343-01 o HOLDER, LENS 2-249-361-01 o PIN, PARALLEL...
  • Page 126 3-3. Electrical Parts List ------------ ---------- LED(A) BOARD MAIN BOARD ------------ ---------- Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description 9-933-451-01 s PRINTED CIRCUIT BOARD, LED(A) 1-761-318-11 o MOUNTED CIRCUIT BOARD, MAIN 9-933-312-01 s HARNESS (4-CORE) 9-936-098-01 s CASE, SHIELD CN10...
  • Page 127 (MAIN BOARD) (MAIN BOARD) Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description 9-904-864-01 s RESISTOR, FUSE 2.2 1-218-856-11 s METAL, CHIP 2.4K 0.5% 1/16W 1-216-051-00 s METAL, CHIP 1.2K 5% 1/10W 8-719-941-86 s DIODE DAN202U 1-218-823-11 s METAL, CHIP 100 0.5% 1/16W 8-719-989-76 s DIODE SC802-04 1-218-855-11 s METAL, CHIP 2.2K 0.5% 1/16W...
  • Page 128 --------- (MAIN BOARD) SUB BOARD --------- Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description 9-885-001-29 s RES, VAR METAL 1K 1-761-319-11 o MOUNTED CIRCUIT BOARD, SUB 9-885-001-30 s RES, VAR METAL 5K (for DXF-801) 9-885-001-31 s RES, VAR METAL 10K 1-761-319-21 o MOUNTED CIRCUIT BOARD, SUB...
  • Page 129 (SUB BOARD) (SUB BOARD) Ref. No. Ref. No. or Q'ty Part No. SP Description or Q'ty Part No. SP Description 9-904-849-01 s TRANSISTOR 2SC4102 R152 1-216-067-00 s METAL, CHIP 5.6K 5% 1/10W 9-904-849-01 s TRANSISTOR 2SC4102 R153 9-885-001-10 s METAL, CHIP 6.2K 9-904-849-01 s TRANSISTOR 2SC4102 R154 1-216-055-00 s METAL, CHIP 1.8K 5% 1/10W...

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