DOWNLOAD Sony DCR-TRV250 (serv.man2) Service Manual ↓ Size: 7 MB | Pages: 97 in PDF or view online for FREE

Model
DCR-TRV250 (serv.man2)
Pages
97
Size
7 MB
Type
PDF
Document
Service Manual
Brand
Device
Movie / LEVEL 2
File
dcr-trv250-sm2.pdf
Date

Sony DCR-TRV250 (serv.man2) Service Manual ▷ View online

— 5 —
DCR-TRV250
TABLE OF CONTENTS
1.
SERVICE NOTE
1-1.
Note for Repair ································································ 1-1
1-2.
Power Supply During Repairs ········································· 1-1
1-3.
To Take Out a Cassette when not Eject (Force Eject) ····· 1-2
1-4.
Jig Modification ······························································ 1-3
1-5.
CCD Type Check ····························································· 1-4
1-5-1. Checking Method by Serial No. ······································ 1-4
1-5-2. Checking Method by Voltage ·········································· 1-4
1-6.
LCD Type Check ····························································· 1-4
1-7.
Self-diagnosis Function ··················································· 1-5
1-7-1. Self-diagnosis Function ··················································· 1-5
1-7-2. Self-diagnosis Display ····················································· 1-5
1-7-3. Service Mode Display ····················································· 1-5
1-7-4. Self-diagnosis Code Table ··············································· 1-6
2.
DISASSEMBLY
Connection of Equipment ················································ 2-2
2-1.
Video Light ······································································ 2-3
2-2.
PD-180 Board ·································································· 2-4
2-3.
LCD Module ···································································· 2-5
Service Position to Check PD-180 Board ······················· 2-5
2-4.
Control Switch Block (PR-3000) ···································· 2-6
2-5.
VF Lens (B) Assembly ···················································· 2-7
2-6.
LB-083 Board ·································································· 2-8
Service Position to Check LB-083 Board ······················· 2-8
2-7.
Cabinet (L) Assembly ······················································ 2-9
2-8.
F Panel Block Assembly ················································ 2-10
Service Position to Check SI-035 Board ······················· 2-11
2-9.
SI-035 Board ································································· 2-12
2-10. Front Ring ······································································ 2-12
2-11. Cabinet (R) Block Assembly ········································· 2-13
Service Position to Check the Camera Section ············· 2-13
2-12. Control Switch Block (CF-3000) ·································· 2-14
2-13. Hinge Assembly ···························································· 2-15
2-14. Control Switch Block (FK-3000) ·································· 2-16
2-15. EVF Block Assembly ···················································· 2-16
Service Position to Check VC-305 Board (Side A) ······· 2-17
2-16. Battery Panel Block Assembly ······································ 2-18
2-17. Control Switch Block (SS-3000) ··································· 2-19
2-18. Lens Block Assembly ···················································· 2-19
2-19. FP-577 Flexible Board ·················································· 2-20
2-20. Cabinet (L) Section ······················································· 2-21
2-21. VC-305 Board ······························································· 2-21
Service Position to Check VC-305 Board (Side B) ······· 2-22
Service Position to Check the Mechanism Deck ··········· 2-23
2-22. Mechanism Deck Block ················································ 2-24
2-23. Circuit Boards Location ················································ 2-25
2-24. Flexible Boards Location ·············································· 2-26
3.
BLOCK DIAGRAMS
3-1.
Overall Block Diagram (1/5) ··········································· 3-1
3-2.
Overall Block Diagram (2/5) ··········································· 3-3
3-3.
Overall Block Diagram (3/5) ··········································· 3-5
3-4.
Overall Block Diagram (4/5) ··········································· 3-7
3-5.
Overall Block Diagram (5/5) ··········································· 3-9
3-6.
Power Block Diagram (1/3) ··········································· 3-11
3-7.
Power Block Diagram (2/3) ··········································· 3-13
3-8.
Power Block Diagram (3/3) ··········································· 3-15
Section
Title
Page
Section
Title
Page
4.
PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1.
Frame Schematic Diagrams
Frame Schematic Diagram (1/2) ····································· 4-1
Frame Schematic Diagram (2/2) ····································· 4-3
4-2.
Schematic Diagrams ························································ 4-5
CD-418 (CCD IMAGER) ················································ 4-7
PD-180 (1/2)
(RGB DRIVE, TIMING GENERATOR) ······················ 4-49
PD-180 (2/2) (BACKLIGHT DRIVE) ·························· 4-51
LB-083 (EVF, EVF BACKLIGHT) ······························ 4-53
SI-035 (STEADYSHOT, MIC), FP-569 FLEXIBLE ···· 4-55
FP-577 FLEXIBLE ······················································· 4-57
LS-057 (S/T REEL SENSOR), FP-228, FP-299,
FP-300, FP-301, FP-302 FLEXIBLE ···························· 4-58
CF-3000, FK-3000 (CONTROL SWITCH BLOCK) ··· 4-59
SS-3000, PR-3000 (CONTROL SWITCH BLOCK) ···· 4-61
4-3.
Printed Wiring Boards ··················································· 4-63
CD-418 ·········································································· 4-65
PD-180 ··········································································· 4-71
LB-083 ··········································································· 4-75
SI-035 ············································································ 4-77
LS-057, FP-228, FP-299, FP-300, FP-301,
FP-302, FP-569, FP-577 FLEXIBLE ···························· 4-79
4-4.
Waveforms ····································································· 4-81
4-5.
Mounted Parts Location ················································ 4-90
5.
REPAIR  PARTS  LIST
5-1.
Exploded Views ···························································· 5-2
5-1-1. Overall Assembly ·························································· 5-2
5-1-2. F Panel Block Assembly ··············································· 5-3
5-1-3. Lens Block Assembly ··················································· 5-4
5-1-4. LCD Block Assembly ··················································· 5-5
5-1-5. Cabinet (R) Block Assembly ········································ 5-6
5-1-6. EVF Block Assembly ···················································· 5-7
5-1-7. Battery Panel Block Assembly ······································ 5-8
5-1-8. MD Frame Block ·························································· 5-9
5-1-9. Cassette Compartment Assembly, Drum Assembly ··· 5-10
5-1-10. LS Chassis Block Assembly ······································· 5-11
5-1-11. Mechanical Chassis Block Assembly-1 ······················ 5-12
5-1-12. Mechanical Chassis Block Assembly-2 ······················ 5-13
5-2.
Electrical Parts List ····················································· 5-14
Ver 1.2 2003.03
1-1
SECTION  1
SERVICE  NOTE
COVER
COVER
DCR-TRV250
1-1. NOTE  FOR  REPAIR
Make sure that the flat cable and flexible board are not cracked of
bent at the terminal.
Do not insert the cable insufficiently nor crookedly.
Cut and remove the part of gilt 
which comes off at the point.
(Be careful or some 
pieces of gilt may be left inside) 
When remove a connector, don’t pull at wire of connector.
It is possible that a wire is snapped.
When installing a connector, don’t press down at wire of connector.
It is possible that a wire is snapped.
1-2. POWER  SUPPLY  DURING  REPAIRS
In this unit, about 10 seconds after power is supplied to the battery terminal using the regulated power supply (8.4V), the power is shut off so
that the unit cannot operate.
The following method is available to prevent this.
Method 1.
Use the AC power adaptor (AC-L10, AC-VQ800 etc.).
1-2
DCR-TRV250
1-3. TO  TAKE  OUT  A  CASSETTE  WHEN  NOT  EJECT (FORCE  EJECT)
1
Refer to “SECTION 2 DISASSEMBLY” to remove the mechanism deck block.
2
Disconnect CN2401 (2P) of VC-305 board.
3
Add +5V from the DC POWER SUPPLY and unload with a pressing the cassette compartment.
4
Pull the timing belt in the direction of 
arrow 
A
 with a pincette while pressing 
the cassette compartment (take care 
not to damage) to adjust the bending 
of a tape.
5
Let go your hold the cassette 
compartment and rise the cassette 
compartment to take out a cassette.
Pincette
Timing belt
Timing belt
Press the cassette compartment not to 
rise the cassette compartment
[DC power supply]
(+5V)
Adjust the bending of a tape
Disconnect CN2401
of VC-305 board.
Loading motor
A
A
1-3
DCR-TRV250
1-4. JIG  MODIFICATION
Connect the LANC SIG pin of the I/F unit for LANC control to the land of pin 1 of the CPC jig connector with a jumper wire.
This modification is required in the DCR-TRV250 only. Be sure to disconnect the jumper wire when using the I/F unit for LANC control or
CPC jig connector on other models.
1
CPC jig connector
(J-6082-539-A)
LANC jack
LANC
jack
The other side
CX2000
CN1
I/F unit for LANC control
(J-6082-521-A)
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