Sony DCR-TRV25 / DCR-TRV27 Service Manual ▷ View online
— 5 —
DCR-TRV25/TRV27
• MA-409 (MIC IN, HP JACK, REMOTE CONTROL
RECEIVER, SWITCH)
PRINTED WIRING BOARD ······················· 4-73
• FP-444 FLEXIBLE BOARD ····································· 4-74
• FB-219 (MANUAL FOCUS SENSOR)
• FB-219 (MANUAL FOCUS SENSOR)
PRINTED WIRING BOARD ······················· 4-75
• PD-161 (RGB DRIVE, TIMING GENERATOR
LCD DRIVE, BACK LIGHT)
PRINTED WIRING BOARD ······················· 4-76
• LB-077 (EVF, EVF BACK LIGHT)
PRINTED WIRING BOARD ······················· 4-77
• FP-100 (MODE SWITCH), FP-228 (DEW SENSOR),
FP-102 (TAPE TOP/END SENSOR, S/T REEL)
FLEXIBLE BOARD ····································· 4-77
• CK-108 (SWITCH, CONNECTOR)
PRINTED WIRING BOARD ······················· 4-79
• VA-117 (RGB DRIVE, TG, AUDIO, MIC AMP,
DC-DC CONVERTER, CHARGE, VIDEO I/O)
PRINTED WIRING BOARD ······················· 4-83
• VC-281 (A/D CONVERTER, TIMING GENERATOR,
IRIS/FOCUS/ZOOM DRIVE, EVR, CAMERA PRO-
CESS, MPEG MOVIE/DIGITAL STILL
PROCESS, HI CONTROL, DIGITAL STILL
CONTROL, FLASH MEMORY SDRAM, DV SIGNAL
PROCESS, DV INTERFACE, REC/PB AMP, USB I/F,
VIDEO A/D CONVERTER, AUDIO A/D,
D/A, PITCH/YAW SENSOR AMP,
DRUM/CAPSTAN DRIVE, CAMERA/MECHA
CONTROL, HI CONTROL, CONNECTOR)
CESS, MPEG MOVIE/DIGITAL STILL
PROCESS, HI CONTROL, DIGITAL STILL
CONTROL, FLASH MEMORY SDRAM, DV SIGNAL
PROCESS, DV INTERFACE, REC/PB AMP, USB I/F,
VIDEO A/D CONVERTER, AUDIO A/D,
D/A, PITCH/YAW SENSOR AMP,
DRUM/CAPSTAN DRIVE, CAMERA/MECHA
CONTROL, HI CONTROL, CONNECTOR)
PRINTED WIRING BOARD ······················· 4-87
4-4.
WAVEFORMS ······························································ 4-91
4-5.
MOUNTED PARTS LOCATION ································· 4-96
5.
ADJUSTMENTS
1.
Before starting adjustment ··············································· 5-1
1-1.
Adjusting items when replacing main parts and boards. · 5-2
5-1.
CAMERA SECTION ADJUSTMENT ··························· 5-4
1-1.
PREPARATIONS BEFORE ADJUSTMENT
(CAMERA SECTION) ··················································· 5-4
(CAMERA SECTION) ··················································· 5-4
1-1-1. List of Service Tools ························································ 5-4
1-1-2. Preparations ····································································· 5-5
1-1-3. Precaution ········································································ 5-7
1.
1-1-2. Preparations ····································································· 5-5
1-1-3. Precaution ········································································ 5-7
1.
Setting the Switch ···························································· 5-7
2.
Order of Adjustments ······················································ 5-7
3.
Subjects ··········································································· 5-7
1-2.
INITIALIZATION OF 8, A, B, C, D, E, F, 1B, 1E, 1F
PAGE DATA ···································································· 5-8
PAGE DATA ···································································· 5-8
1-2-1. INITIALIZATION OF A, D PAGE DATA ······················ 5-9
1.
1.
Initializing the A, D Page Data ········································ 5-9
2.
Modification of A, D Page Data ······································ 5-9
3.
A Page Table ···································································· 5-9
4.
D Page Table ·································································· 5-10
1-2-2. INITIALIZATION OF B, 1B PAGE DATA ·················· 5-11
1.
1.
Initializing the B, 1B Page Data ···································· 5-11
2.
Modification of B, 1B Page Data ·································· 5-11
3.
B Page Table ·································································· 5-11
4.
1B Page Table ································································ 5-11
1-2-3. INITIALIZATION OF 8, C PAGE DATA ····················· 5-12
1.
1.
Initializing the 8, C Page Data ······································· 5-12
2.
Modification of 8, C Page Data ····································· 5-12
3.
8 Page Table ··································································· 5-12
4.
C Page Table ·································································· 5-13
1-2-4. INITIALIZATION OF E, F, 1E, 1F PAGE DATA ········ 5-15
1.
1.
Initializing the E, F, 1E, 1F Page Data ·························· 5-15
2.
Modification of E, F, 1E, 1F Page Data ························· 5-15
3.
E Page Table ·································································· 5-16
4.
F Page Table ·································································· 5-17
5.
1E Page Table ································································ 5-18
6.
1F Page Table ································································ 5-19
1-3.
CAMERA SYSTEM ADJUSTMENTS ························ 5-20
1.
66MHz Origin Oscillation Adjustment (VC-281 board) ·· 5-20
2.
HALL Adjustment ························································· 5-21
3.
MR Adjustment ····························································· 5-22
4.
Flange Back Adjustment (Using Minipattern Box) ······· 5-23
5.
Flange Back Adjustment ··············································· 5-24
5-1.
Flange Back Adjustment (1) ·········································· 5-24
5-2.
Flange Back Adjustment (2) ·········································· 5-24
6.
Flange Back Check ························································ 5-25
7.
MAX GAIN Adjustment ··············································· 5-25
8.
Picture Frame Setting ···················································· 5-26
9.
Color Reproduction Adjustment ···································· 5-27
10.
Auto White Balance & LV Standard Data Input ··········· 5-27
11.
Auto White Balance Adjustment ··································· 5-28
12.
White Balance Check ···················································· 5-29
13.
Mechanical Shutter Adjustment ···································· 5-30
14.
Black Defective CCD Adjustment ································· 5-30
15.
Steady Shot Check ························································· 5-31
1-4.
COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT ····························································· 5-32
ADJUSTMENT ····························································· 5-32
1.
VCO Adjustment (VA-117 board) ································· 5-32
2.
RGB AMP Adjustment (VA-117 board) ························ 5-33
3.
Contrast Adjustment (VA-117 board) ···························· 5-33
4.
White Balance Adjustment (VA-117 board) ·················· 5-34
1-5.
LCD SYSTEM ADJUSTMENT ··································· 5-35
1.
VCO Adjustment (PD-161 board) ································· 5-35
2.
RGB AMP Adjustment (PD-161 board) ························ 5-36
3.
Contrast Adjustment (PD-161 board) ···························· 5-36
4.
COM AMP Adjustment (PD-161 board) ······················· 5-37
5.
V COM Adjustment (PD-161 board) ···························· 5-37
6.
White Balance Adjustment (PD-161 board) ·················· 5-38
5-2.
MECHANISM SECTION ADJUSTMENT ·················· 5-39
2-1.
HOW TO ENTER RECORD MODE WITHOUT
CASSETTE ··································································· 5-39
CASSETTE ··································································· 5-39
2-2.
HOW TO ENTER PLAYBACK MODE WITHOUT
CASSETTE ··································································· 5-39
CASSETTE ··································································· 5-39
2-3.
TAPE PATH ADJUSTMENT ········································ 5-39
1.
Preparation for Adjustment ··········································· 5-39
2.
Processing after Completing Operations: ······················ 5-39
5-3.
VIDEO SECTION ADJUSTMENTS ··························· 5-40
3-1.
PREPARATIONS BEFORE ADJUSTMENTS ············ 5-40
3-1-1. Equipment Required ······················································ 5-40
3-1-2. Precautions on Adjusting ··············································· 5-41
3-1-3. Adjusting Connectors ···················································· 5-42
3-1-4. Connecting the Equipment ············································ 5-42
3-1-5. Alignment Tapes ···························································· 5-43
3-1-6. Input/Output Level and Impedance ······························· 5-43
3-2.
3-1-2. Precautions on Adjusting ··············································· 5-41
3-1-3. Adjusting Connectors ···················································· 5-42
3-1-4. Connecting the Equipment ············································ 5-42
3-1-5. Alignment Tapes ···························································· 5-43
3-1-6. Input/Output Level and Impedance ······························· 5-43
3-2.
SYSTEM CONTROL SYSTEM ADJUSTMENT ········ 5-44
1.
Initialization of 8, A, B, C, D, E, F, 1B, 1E, 1F Page Data · 5-44
2.
Serial No. Input ····························································· 5-44
2-1.
Company ID Input ························································· 5-44
2-2.
Serial No. Input ····························································· 5-44
3-3.
SERVO AND RF SYSTEM ADJUSTMENT ··············· 5-46
1.
Cap FG Duty Adjustment (VC-281 Board) ··················· 5-46
2.
PLL f
0
& LPF f
0
Adjustment (VC-281 Board) ·············· 5-46
3.
Switching Position Adjustment (VC-281 Board) ·········· 5-47
4.
AGC Center Level and APC & AEQ Adjustment ········· 5-47
4-1.
Preparations before adjustments ···································· 5-47
4-2.
AGC Center Level Adjustment (VC-281 Board) ·········· 5-47
4-3.
APC & AEQ Adjustment (VC-281 Board) ··················· 5-48
4-4.
Processing after Completing Adjustments ···················· 5-48
5.
PLL f
0
& LPF f
0
Fine Adjustment (VC-281 Board) ······ 5-49
3-4.
VIDEO SYSTEM ADJUSTMENTS ····························· 5-50
1.
Chroma BPF f
0
Adjustment (VA-117 Board) ················ 5-50
2.
S VIDEO OUT Y Level Adjustment (VC-281 Board) ·· 5-50
— 6 —
DCR-TRV25/TRV27
3.
S VIDEO OUT Chroma Level Adjustment
(VC-281 Board) ····························································· 5-51
(VC-281 Board) ····························································· 5-51
4.
VIDEO OUT Y, Chroma Level Check (VC-281 Board) · 5-51
3-5.
AUDIO SYSTEM ADJUSTMENTS ···························· 5-52
1.
Playback Level Check ··················································· 5-53
2.
Overall Level Characteristics Check ····························· 5-53
3.
Overall Distortion Check ··············································· 5-53
4.
Overall Noise Level Check ············································ 5-53
5.
Overall Separation Check ·············································· 5-53
5-4.
SERVICE MODE ·························································· 5-54
4-1.
ADJUSTMENT REMOTE COMMANDER ················ 5-54
1.
Using the adjustment remote commander ····················· 5-54
2.
Precautions upon using the adjustment remote commander · 5-54
4-2.
DATA PROCESS ··························································· 5-55
4-3.
SERVICE MODE ·························································· 5-56
1.
Setting the Test Mode ···················································· 5-56
2.
Emergence Memory Address ········································ 5-56
2-1.
EMG Code (Emergency Code) ····································· 5-56
2-2.
MSW Code ···································································· 5-57
3.
Bit value discrimination ················································ 5-58
4.
Switch check (1) ···························································· 5-58
5.
Switch check (2) ···························································· 5-58
6.
Switch check (3) ···························································· 5-59
7.
Switch check (4) ···························································· 5-59
8.
Record of Use check (1) ················································ 5-60
9.
Record of Use check (2) ················································ 5-60
10.
Record of Self-diagnosis check ····································· 5-60
6.
REPAIR PARTS LIST
6-1.
EXPLODED VIEWS ······················································ 6-1
6-1-1. OVERALL ······································································ 6-1
6-1-2. FRONT PANEL SECTION ············································· 6-2
6-1-3. CABINET (R) SECTION ··············································· 6-3
6-1-4. LCD SECTION (2.5INCH) (TRV25) ····························· 6-4
6-1-5. LCD SECTION (3.5INCH) (TRV27) ····························· 6-5
6-1-6. EVF SECTION ································································ 6-6
6-1-7. MAIN CHASSIS COMPLETE SECTION ····················· 6-7
6-1-8. CABINET (L) SECTION ················································ 6-8
6-1-9. CASSETE COMPARTMENT ASSEMBLY,
6-1-2. FRONT PANEL SECTION ············································· 6-2
6-1-3. CABINET (R) SECTION ··············································· 6-3
6-1-4. LCD SECTION (2.5INCH) (TRV25) ····························· 6-4
6-1-5. LCD SECTION (3.5INCH) (TRV27) ····························· 6-5
6-1-6. EVF SECTION ································································ 6-6
6-1-7. MAIN CHASSIS COMPLETE SECTION ····················· 6-7
6-1-8. CABINET (L) SECTION ················································ 6-8
6-1-9. CASSETE COMPARTMENT ASSEMBLY,
DRUM BLOCK ASSEMBLY ········································· 6-9
6-1-10. LS CHASSIS BLOCK ASSEMBLY ·························· 6-10
6-1-11. MECHANISM CHASSIS BLOCK ASSEMBLY ······ 6-11
6-2.
6-1-11. MECHANISM CHASSIS BLOCK ASSEMBLY ······ 6-11
6-2.
ELECTRICAL PARTS LIST ········································ 6-12
*
Color reproduction frame is shown on page 233.
1-1
DCR-TRV25/TRV27
SECTION 1
SERVICE NOTE
COVER
COVER
1-1. SERVICE NOTE
1.
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.
This following two methods are available to prevent this. Take note of which to use during repairs.
that the unit cannot operate.
This following two methods are available to prevent this. Take note of which to use during repairs.
Method 1:
Use the AC power adaptor (AC-L10, AC-VQ800 etc.).
Method 1:
Connect the servicing remote commander RM-95 (J-6082-053-B) to the LANC jack, and set the commander switch to the “ADJ” side.
2.
TO TAKE OUT A CASSETTE WHEN NOT EJECT (FORCE EJECT)
1
Refer to 2-3 to remove the front panel assembly.
2
Refer to 2-5 to remove the top cabinet assembly.
3
Refer to 2-6 to remove the cabinet (R) assembly.
4
Refer to 2-7 to remove the battery panel section.
5
Remove the EVF block.
6
Open the VA-117 board.
7
Disconnect CN1010 (27P, 0.3mm) of VC-281 board.
8
Open the cassette lid.
9
Supply +4.5V from the DC power supply to the loading motor and unload with a pressing the cassette compartment.
VC-281 board
DC power supply
(+ 4.5V)
(+ 4.5V)
Loading motor
CN1010
1-2
DCR-TRV25/TRV27
1-2. SELF-DIAGNOSIS FUNCTION
1.
SELF-DIAGNOSIS FUNCTION
When problems occur while the unit is operating, the self-diagnosis
function starts working, and displays on the viewfinder, LCD screen
or LCD window what to do. This function consists of two display;
self-diagnosis display and service mode display.
Details of the self-diagnosis functions are provided in the Instruction
manual.
function starts working, and displays on the viewfinder, LCD screen
or LCD window what to do. This function consists of two display;
self-diagnosis display and service mode display.
Details of the self-diagnosis functions are provided in the Instruction
manual.
Note:
The “self-diagnosis display” data will be kept even if the lithium battery (CK-108 board BT5201 of the cabinet (R) assembly) is removed.
2.
SELF-DIAGNOSIS DISPLAY
When problems occur while the unit is operating, the counter of the
viewfinder, LCD screen or LCD window consists of an alphabet
and 4-digit numbers, which blinks at 3.2 Hz. This 5-character display
indicates the “repaired by:”, “block” in which the problem occurred,
and “detailed code” of the problem.
viewfinder, LCD screen or LCD window consists of an alphabet
and 4-digit numbers, which blinks at 3.2 Hz. This 5-character display
indicates the “repaired by:”, “block” in which the problem occurred,
and “detailed code” of the problem.
3.
SERVICE MODE DISPLAY
The service mode display shows up to six self-diagnosis codes shown in the past.
3-1.
Display Method
While pressing the “STOP” key, set the switch from OFF to “VCR”, and continue pressing the “STOP” key for 5 seconds continuously. The
service mode will be displayed, and the counter will show the backup No. and the 5-character self-diagnosis codes.
service mode will be displayed, and the counter will show the backup No. and the 5-character self-diagnosis codes.
3-2.
Switching of Backup No.
By rotating the control dial, past self-diagnosis codes will be shown in order. The backup No. in the [] indicates the order in which the
problem occurred. (If the number of problems which occurred is less than 6, only the number of problems which occurred will be shown.)
[1] : Occurred first time
problem occurred. (If the number of problems which occurred is less than 6, only the number of problems which occurred will be shown.)
[1] : Occurred first time
[4] : Occurred fourth time
[2] : Occurred second time
[5] : Occurred fifth time
[3] : Occurred third time
[6] : Occurred the last time
3-3.
End of Display
Turning OFF the power supply will end the service mode display.
Order of previous errors
Backup No.
Self-diagnosis Codes
C : 3 1 : 1 1
[3]
Lights up
Viewfinder or LCD screen
[3] C : 3 1 : 1 1
3 C : 3 1 : 11
LCD window
1 1
3 1
C : 3 1 : 11
C
Repaired by:
Refer to page 1-3.
Self-diagnosis Code Table.
Self-diagnosis Code Table.
Indicates the appropriate
step to be taken.
E.g.
31 ....Reload the tape.
32 ....Turn on power again.
step to be taken.
E.g.
31 ....Reload the tape.
32 ....Turn on power again.
Block
Detailed Code
Blinks at 3.2Hz
C : Corrected by customer
H : Corrected by dealer
E : Corrected by service
H : Corrected by dealer
E : Corrected by service
engineer
Viewfinder or LCD screen
LCD window
C : 3 1 : 1 1
LCD window
Control dial
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