Sony DSR-300 User manual

DIGITAL CAMCORDER
DSR-300
DSR-300P
SERVICE MANUAL
INDEX PICTURE BOARD
DSBK-301
CAMERA ADAPTOR
CA-WR855
Vol.1 (1st Edition)

!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.
X-RAY RADIATIONWARNING
Be sure that parts replacement in the high voltage block and
adjustments made to the high voltage circuits are carried out
precisely in accordance with the procedures given in this
manual.
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer.
Dispose of used batteries according to the
manufacturer’s instructions.
Vorsicht!
Explosionsgefahr bei unsachgemäßem Austausch
der Batterie.
Ersatz nur durch denselben oder einen vom
Hersteller empfohlenen ähnlichen Typ. Entsorgung
gebrauchter Batterien nach Angaben des
Herstellers.
ATTENTION
Il y a danger d’explosion s’il y a remplacement
incorrect de la batterie.
Remplacer uniquement avec une batterie du même
type ou d’un type équivalent recommandé par le
constructeur.
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.
ADVARSEL
Lithiumbatteri - Eksplosjonsfare.
Ved utskifting benyttes kun batteri som
anbefalt av apparatfabrikanten.
Brukt batteri returneres
apparatleverandøren.
VARNING
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en likvärdig typ
som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt gällande
föreskrifter.
VAROITUS
Paristo voi räjähtää jos se on virheellisesti
asennettu.
Vaihda paristo ainoastaan laitevalmistajan
suosittelemaan tyyppiin.
Hävitä käytetty paristo valmistajan ohjeiden
mukaisesti.

1
DSR-300(E)/V1
MANUAL STRUCTURE
This manual is the Service Manual Vol. 1 of the digital camcorder DSR-300/300P, the
index picture board DSBK-301 and the camera adaptor CA-WR855.
This manual contains the operation manual related to the operations of this equipment,
the replacement of the parts and adjustments.
In addition to this Service Manual Vol. 1, the following manuals are provided.
.Service Manual Vol. 2
Part No. 9-977-332-21
Contains block diagrams, board layouts, schematic diagrams, semiconductor pin
assingments and parts lists.
.Service Manual DXF-701/701CE/701WS/701WSCE
Part No. 9-977-265-02
See the DXF-701/701CE/701WS/701WSCE service manual available separately.
.Service Manual VCT-U14
Part No. 9-977-221-01
See the VCT-U14 service manual available separately.
Introducing this manual
Related manuals

3
DSR-300/P(E)/V1
TABLE OF CONTENTS
1. OPERATING INSTRUCTIONS
1-1. DSR-300/300P................................................................................................ 1-1
1-2. DSBK-301 (IPM-66 BOARD) ..................................................................... 1-64
1-3. CA-WR855................................................................................................... 1-66
2. SERVICE INFORMATION
2-1. LOCATION OF MAJOR PARTS ................................................................. 2-1
2-1-1. Location of Major Mechanical Parts ..................................................... 2-1
2-1-2. Location of the Boards .......................................................................... 2-3
2-1-3. Location of Sensors ............................................................................... 2-5
2-2. REMOVING AND ATTACHING THE CABINET .....................................2-6
2-2-1. Left Panel and Cassette Compartment Lid............................................ 2-6
2-2-2. Right Panel ............................................................................................ 2-6
2-2-3. Lower Panel........................................................................................... 2-7
2-2-4. Rear Panel Assembly............................................................................. 2-7
2-3. FUNCTIONS OF CASSETTE....................................................................... 2-8
2-4. CIRCUIT STRUCTURE................................................................................ 2-9
2-5. NOTES ON TIGHTENING SCREWS ........................................................ 2-10
2-6. ATTACHING THE 4" OR 5" VIEWFINDER ............................................ 2-11
2-7. EXTRACTING THE CASSETTE TAPE WHEN TAPE SLACKS............ 2-12
2-8. OPERATING THE UNIT WITHOUT LOADING A CASSETTE TAPE ... 2-13
2-9. SHIFTING THE REEL ................................................................................ 2-14
2-9-1. When the power can be turned ON ..................................................... 2-14
2-9-2. When the power cannot be turned ON ................................................ 2-14
2-10.REMOVAL OF MECHANICAL DECK..................................................... 2-15
2-11.REMOVAL AND ATTACHING THE BOARDS ...................................... 2-16
2-11-1. FP-98 Board ........................................................................................ 2-16
2-11-2. FP-99 Board ........................................................................................ 2-17
2-11-3. GCN-15 and SW-929 Boards.............................................................. 2-17
2-11-4. DPR-99/99P and ES-21/21P Boards ...................................................2-18
2-11-5. DU-27 Board ....................................................................................... 2-18
2-11-6. AT-117 Board...................................................................................... 2-19
2-11-7. VA-178 Board ..................................................................................... 2-19
2-11-8. SV-164 Board...................................................................................... 2-20
2-11-9. HN-227 Board ..................................................................................... 2-21
2-11-10. AA-92 Board ....................................................................................... 2-21
2-11-11. PS-495 Board ...................................................................................... 2-22
2-11-12. CN-1519 Board ................................................................................... 2-22
2-11-13. CP-315 Board ...................................................................................... 2-23
2-11-14. MB-753 Board..................................................................................... 2-24
2-11-15. CN-1444 Board ................................................................................... 2-25
2-11-16. SW-888 Board ..................................................................................... 2-25
2-11-17. PSW-56 Board..................................................................................... 2-26
2-11-18. CC-68 Board........................................................................................ 2-26
2-11-19. RP-91 Board ........................................................................................ 2-27
2-12.ATTACHING THE DSBK-301 (IPM-66 BOARD) .................................... 2-28

4DSR-300/P(E)/V1
2-13.CLEANING WHEN HEAD CLOGS ..........................................................2-28
2-13-1. Using a Cleaning Cassette ...................................................................2-28
2-13-2. Using the Cleaning Cloth ....................................................................2-28
2-14. RELEASING THE HUMID TIMER WHEN
CONDENSATION OCCURS......................................................................2-29
2-15.DC-DC CONVERTER VOLTAGE CONFIRMATION .............................2-30
2-16.CONNECTING CONNECTORS ................................................................2-31
2-17.INPUT/OUTPUT SIGNALS OF CONNECTORS ......................................2-31
2-18.BOARD SWITCH AND SLIT SETTINGS .................................................2-37
2-18-1. SV-164 Board ......................................................................................2-37
2-18-2. ES-21/21P Board .................................................................................2-37
2-19. CHANGING THE BATTERY BEFORE END/BATTERY END AND
BP BATTERY PRESET VOLTAGE ..........................................................2-38
2-19-1. Changing the Voltage (1) ....................................................................2-38
2-19-2. Changing the Voltage (2) ....................................................................2-41
2-20.REPLACING THE FILTER ........................................................................2-45
2-21.CHANGING THE VIEWFINDER CORRESPOND TO LEFT EYE .........2-46
2-22.REPLACING THE FLAT CABLES,
FLEXIBLE CARD WIRES/BOARDS ........................................................2-47
2-23.SERVICE TOOLS AND TEST FIXTURES ...............................................2-48
2-23-1. Attaching the Extension Board EX-622 ..............................................2-48
2-23-2. Service Tools and Test Fixtures ..........................................................2-49
2-24.ERROR CODES...........................................................................................2-51
2-24-1. Servo System, Tape Path System, Reel Mechanism,
and Sensor System Errors....................................................................2-52
2-24-2. Communication Error of Microcomputer and Peripheral Devices .....2-55
2-25.MENU (LCD)...............................................................................................2-58
2-25-1. User Menu ...........................................................................................2-58
2-25-2. System Menu .......................................................................................2-61
2-25-3. Maintenance Menu ..............................................................................2-64
2-26.MENU (VIEWFINDER) ..............................................................................2-68
2-26-1. Operation of Service Mode .................................................................2-68
2-26-2. Reset Items and Standard Setting Value .............................................2-69
2-26-3. Service Menu.......................................................................................2-71
2-27.AUTO CHECK FUNCTION .......................................................................2-83
2-28.NOTES ON REPAIR PARTS ......................................................................2-88
2-28-1. Replacement Procedure of Chip Parts .................................................2-88
2-28-2. Note on Replacing the ROM ...............................................................2-89
2-28-3. Initializing the EEPROM ....................................................................2-90
2-28-4. KY EEPROM Echo Back Data Preset Procedure ...............................2-91
3. PERIODIC MAINTENANCE AND INSPECTION
3-1. MAINTENANCE TIME TABLE ..................................................................3-1
3-2. HOURS METER ............................................................................................3-2
3-3. MAINTENANCE AFTER REPAIRS............................................................3-3
3-4. CLEANING METHOD .................................................................................3-3
3-5. AFTER USE IN COASTAL AREAS AND DUSTY AREAS ......................3-5

5
DSR-300/P(E)/V1
4. REPLACEMENT/ALIGNMENT OF MAJOR PARTS
4-1. GENERAL INFORMATION ON REPLACEMENT/ALIGNMENT OF
PARTS............................................................................................................ 4-1
4-2. REPLACEMENT OF CASSETTE COMPARTMENT ASSEMBLY .......... 4-5
4-3. REPLACEMENT OF DRUM ASSEMBLY ................................................. 4-6
4-4. REPLACEMENT OF S REEL TABLE ASSEMBLY .................................. 4-7
4-5. REPLACEMENT OF T REEL TABLE ASSEMBLY ..................................4-8
4-6. REPLACEMENT OF SOFT BRAKE ARM (S) ........................................... 4-9
4-7. REPLACEMENT OF HARD BRAKE ARM (S) ASSEMBLY.................. 4-10
4-8. REPLACEMENT OF SOFT BRAKE (T) ASSEMBLY COMPONENTS ... 4-11
4-8-1. Replacement of Soft Brake Arm (T) Assembly ..................................4-11
4-8-2. Replacement of TL Soft Brake Assembly........................................... 4-11
4-9. REPLACEMENT OF HARD BRAKE ARM (T) ASSEMBLY ................. 4-12
4-10.REPLACEMENT OF SUB REEL GEAR (S) ASSEMBLY ....................... 4-13
4-11.REPLACEMENT OF SUB REEL GEAR (T) ASSEMBLY ....................... 4-14
4-12.REPLACEMENT OF TR BAND ASSEMBLY .......................................... 4-15
4-13.REPLACEMENT OF SHIFT MOTOR ASSEMBLY ................................. 4-16
4-14.REPLACEMENT OF LD ASSEMBLY ...................................................... 4-17
4-15.REPLACEMENT OF SENSOR ATTACHMENT PLATE ASSEMBLY .. 4-18
4-16.REPLACEMENT OF TR ARM ASSEMBLY ............................................ 4-19
4-17.REPLACEMENT OF GL (S) ASSEMBLY ................................................ 4-21
4-18.REPLACEMENT OF GL (T) ASSEMBLY ................................................ 4-24
4-19.REPLACEMENT OF S REEL PLATE ASSEMBLY ................................. 4-27
4-20.REPLACEMENT OF T REEL PLATE ASSEMBLY................................. 4-28
4-21.REPLACEMENT OF C ASSEMBLY ......................................................... 4-29
4-22.REPLACEMENT OF PINCH ARM ASSEMBLY ..................................... 4-30
4-23.REPLACEMENT OF TG-1/TG-8 GUIDE ASSEMBLY
COMPONENT PARTS................................................................................ 4-31
4-24.REPLACEMENT OF TG-3 GUIDE ASSEMBLY
COMPONENT PARTS................................................................................ 4-32
4-25.REPLACEMENT OF TG-7 GUIDE ASSEMBLY
COMPONENT PARTS................................................................................ 4-33
4-26.REPLACEMENT OF IDLER GEAR ASSEMBLY .................................... 4-34
4-27.REPLACEMENT OF MODE GEAR ASSEMBLY .................................... 4-35
4-28.REPLACEMENT OF CAPSTAN MOTOR ................................................ 4-37
4-29.REPLACEMENT OF MODE SLIDER ....................................................... 4-38
4-30.REPLACEMENT OF REEL MOTOR ........................................................ 4-41
4-31.REPLACEMENT OF REEL MOVING ARM ASSEMBLY ...................... 4-42
4-32.REPLACEMENT OF REEL PLATE PRESSING LINK ASSEMBLY...... 4-43
4-33.REPLACEMENT OF MIC ASSEMBLY .................................................... 4-45
4-34.REPLACEMENT OF CCD UNIT ............................................................... 4-46
4-35.REPLACEMENT OF DC-DC CONVERTER ............................................ 4-51
4-36. S REEL TABLE, T REEL TABLE HEIGHT CHECK/ADJUSTMENT.... 4-52
4-37. GUIDE HEIGHT CHECK/ADJUSTMENT................................................ 4-53
4-38.REEL TABLE FWD/REV REWINDING TORQUE
CHECK/ADJUSTMENT ............................................................................. 4-56
4-39.FWD BACK TENSION CHECK/ADJUSTMENT ..................................... 4-60
4-40.TR ARM ASSEMBLY POSITION CHECK/ADJUSTMENT ................... 4-61

6DSR-300/P(E)/V1
5. TAPE PATH ALIGNMENT
5-1. GENERAL INFORMATION FOR TAPE PATH ALIGNMENT ................5-1
5-1-1. Equipment and Tools Used ...................................................................5-1
5-1-2. Tape Guide Adjustment Driver and Locking Screw .............................5-1
5-1-3. Tape Path Adjustment Preparations ......................................................5-2
5-1-4. Connection.............................................................................................5-2
5-1-5. Drum and Tape Guide Positions ...........................................................5-3
5-1-6. Tape Path State ......................................................................................5-3
5-2. SYSTEM SETTING MENU ..........................................................................5-4
5-3. TAPE PATH SYSTEM CHECK ...................................................................5-6
5-3-1. Check of Alignment Tape Playback......................................................5-6
5-3-2. Check of self-recording tape playback ..................................................5-7
5-4. TRACKING ADJUSTMENT ........................................................................5-8
5-5. TG-1, TG-2 AND TG-3 GUIDES ADJUSTMENT ......................................5-9
5-6. TG-7 AND TG-8 GUIDES ADJUSTMENT ...............................................5-11
5-7. CHECK AFTER ADJUSTMENT................................................................5-13
5-7-1. Tracking Check ...................................................................................5-13
5-7-2. FWD Search and REV Search Check .................................................5-14
5-7-3. Rising Check .......................................................................................5-14
5-7-4. Tape Path Check..................................................................................5-15
5-8. SWITCHING POSITION ADJUSTMENTS ...............................................5-16
6. GENERAL INFORMATION FOR ELECTRICAL ALIGNMENT
6-1. ADJUSTING ITEMS .....................................................................................6-1
6-2. EQUIPMENT AND TOOLS REQUIRED ....................................................6-2
6-3. MENU OPERATION.....................................................................................6-5
7. CAMERA BLOCK ELECTRICAL ALIGNMENT
7-1. PREPARATION ............................................................................................7-1
7-1-1. Equipment Required ..............................................................................7-1
7-1-2. Connection.............................................................................................7-1
7-1-3. Switch Setting before Adjustment.........................................................7-2
7-1-4. Notes on Adjustment .............................................................................7-2
7-1-5. Adjustment Item ....................................................................................7-3
7-2. PREPARATION BEFORE ADJUSTMENT .................................................7-4
7-2-1. Color Bar Signal Confirmation .............................................................7-4
7-2-2. Sensitivity Confirmation .......................................................................7-4

7
DSR-300/P(E)/V1
7-3. ADJUSTMENT .............................................................................................. 7-5
7-3-1. Character Size Adjustment.................................................................... 7-5
7-3-2. Subcarrier Frequency Adjustment......................................................... 7-5
7-3-3. INT SC-H Phase Adjustment ................................................................ 7-5
7-3-4. Y/R-Y/B-Y CLP Level Adjustment ...................................................... 7-6
7-3-5. Y/SYNC/R-Y/B-Y Level Adjustment................................................... 7-6
7-3-6. Carrier Balance Adjustment .................................................................. 7-7
7-3-7. Chroma (VBS) Level Adjustment......................................................... 7-7
7-3-8. Y (VBS) Level Adjustment................................................................... 7-8
7-3-9. Y (Y/C) Level Adjustment .................................................................... 7-8
7-3-10. Chroma (Y/C) Level Adjustment .......................................................... 7-9
7-3-11. VF SYNC/BLKG Level Adjustment .................................................... 7-9
7-3-12. CCD Output Level Adjustment........................................................... 7-10
7-3-13. Shading Adjustment ............................................................................ 7-10
7-3-14. Flare Adjustment ................................................................................. 7-11
7-3-15. TONE Level Adjustment..................................................................... 7-11
8. VTR BLOCK ELECTRICAL ALIGNMENT
8-1. SYSTEM CONTROL ADJUSTMEMT ........................................................ 8-2
8-1-1. Clock Frequency Adjustment................................................................ 8-2
8-2. SERVO SYSTEM ADJUSTMENT ............................................................... 8-3
8-2-1. Capstan FG Duty Adjustment ............................................................... 8-3
8-2-2. Reel FG Duty Adjustment..................................................................... 8-4
8-3. RF SYSTEM ADJUSTMENT .......................................................................8-5
8-3-1. REC Current Adjustment ...................................................................... 8-5
8-3-2. PLL Adjustment .................................................................................... 8-6
8-3-3. AGC and Delay Adjustment.................................................................. 8-7
8-3-4. AUTO EQ Adjustment.......................................................................... 8-8
8-4. AUDIO SYSTEM ADJUSTMENT ...............................................................8-9
8-4-1. Audio Level Volume Reference Position Adjustment ........................ 8-12
8-4-2. Monitor Output (LINE OUT) Level Adjustment ................................ 8-12
8-4-3. Limiter Level Adjustment ................................................................... 8-12
8-5. VIDEO SYSTEM ADJUSTMENT.............................................................. 8-13
8-5-1. PB Y SYNC Level Adjustment........................................................... 8-15
8-5-2. PB Y Level Adjustment ...................................................................... 8-16
8-5-3. PB Y/B-Y Delay Adjustment .............................................................. 8-17
8-5-4. PB Y/R-Y Delay Adjustment .............................................................. 8-19
8-5-5. PB R-Y Level Adjustment .................................................................. 8-21
8-5-6. PB B-Y Level Adjustment .................................................................. 8-22
8-5-7. PB Burst Level Adjustment................................................................. 8-23
8-5-8. PB VBS Y Level Adjustment.............................................................. 8-24
8-5-9. EE Y Level Adjustment ...................................................................... 8-24
8-5-10. EE Chroma Level Adjustment ............................................................ 8-25