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Model
DCR-TRV140 DCR-TRV140E DCR-TRV140M (serv.man2)
Pages
10
Size
589.92 KB
Type
PDF
Document
Service Manual
Brand
Device
Movie / CORRECTION-1
File
dcr-trv140-dcr-trv140e-dcr-trv140m-sm2.pdf
Date

Sony DCR-TRV140 / DCR-TRV140E / DCR-TRV140M (serv.man2) Service Manual ▷ View online

– 5 –
DCR-TRV140/TRV140E/TRV140M
J-9
J-10
J-11
J-12
I/F unit for LANC control
Mini pattern box
Camera table
CPC jig connector
J-6082-521-A
J-6082-353-B
J-6082-384-A
J-6082-539-A
For connecting the adjustment remote commander
For adjusting the flange back
For adjusting the flange back
For connecting the adjustment remote commander
Note:
If the micro processor IC in the adjustment remote com-
mander is not the new micro processor (UPD7503G-C56-
12), the pages cannot be switched. In this case, replace
with the new micro processor (8-759-148-35).
J-1
J-2
J-3
J-4
J-5
Fig. 5-1-1
J-6
J-7
J-8
J-9
J-10
J-11
J-12
Ref. No.
Name
Parts Code
Usage
1-1-1.  List of Service Tools
• Oscilloscope
• Color monitor
• Vectorscope
• Regulated power supply
• Digital voltmeter
• Frequency counter
SECTION  5  ADJUSTMENT
Page
CORRECT
5-4
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 : Points changed portion.    
&
 : Points added portion.
5-5
1-1-2. Preparations
Note 1:
For details of how remove the cabinet and boards, refer
to “2. DISASSEMBLY”.
Note 2:
When performing only the adjustments, the lens block
and boards need not be disassembled.
1) Connect the equipment for adjustments according to Fig. 5-1-
4.
2) Connect the adjustment remote commander to VC-273 board
CN1011 via I/F unit for LANC control (J-6082-521-A) and
CPC jig connector (J-6082-539-A). (Fig. 5-1-3)
To operate the adjustment remote commander, connect the AC
power adaptor to the DC IN jack of I/F unit for LANC control,
or connect the L series Info-LITHIUM battery to the battery
terminal of I/F unit for LANC control.
3) The front panel block (SI-033 board,  video light, microphone
unit) need not be assembled except during the steadyshot op-
eration check.
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– 6 –
DCR-TRV140/TRV140E/TRV140M
Page
CORRECT
5-6
-
 : Points changed portion.    
&
 : Points added portion.
Note:
 Use either the AC power adaptor or the InfoLITHIUM battery as the power supply of I/F unit for LANC control.
Adjustment
remote commander
AC power adaptor
L series
InfoLITHIUM
battery
(7.2 Vdc)
LANC
jack
I/F unit for LANC control (Note)
(J-6082-521-A)
CPC jig connector
(J-6082-539-A)
EVF BLOCK
Must be connected when 
performing the electronic 
viewfinder system adjustment.
Must be connected
DC IN jack
Video
(yellow)
Color monitor
Vector scope
CN1551
CN1005
CN1007
CN4404
CN4403
CN4402
FRONT PANEL BLOCK
LENS BLOCK
CD-353 BOARD
CN2001
To PD-156 
board
CN5701
PD-156  BOARD
CABINET (R)
SI-033 BOARD
CN752
CN4401
CN5501
CN5502
CN5704
CN5703
CN5601
A/V OUT jack
CN3101
VC-273 BOARD
Must be connected
Must be connected when 
performing the LCD system
adjustment.
Must be connected when 
performing the steadyshot 
check.
AC power adaptor
To CONTROL SWITCH 
BLOCK (CF-2000)
CN1003
CN5701
CN5702
CN1002
CN1501
CN1011
CN701
CN1009
Terminated
75 
Audio L (white)
Audio R (red)
Multi CPC jig
(J-6082-311-A)
Must be connected when performing
the LCD system adjustment.
]
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DCR-TRV140/TRV140E/TRV140M
Page
CORRECT
5-24
-
 : Points changed portion.
5-30
1-4.
ELECTRONIC  VIEWFINDER  SYSTEM
ADJUSTMENTS
Note 1:
When replacing the LCD unit, be careful to prevent dam-
ages caused by static electricity.
Note 2:
Set the VF B.L. (Menu setting) to the BRT NORMAL
 [Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated at VC-273 board CN1011. Connect the measur-
ing instruments via I/F unit for LANC control (J-6082-521-A) and
CPC jig connector (J-6082-539-A). The following table lists the
test point of I/F unit for LANC control.
Pin No.
Signal Name
Pin No.
Signal Name
N.C
BL
15
EVF VCO
14
EVF VG
N.C
BL 4.75
9
PB RF (MON)
3 (N.C)
BPF MONI
6, 8, 10,
GND
N.C
TMS
7 (N.C)
REC RF (RF IN)
N.C
TDI
N.C
TDO
5
SWP
N.C
TCK
4 (N.C)
CAP FG
2 (N.C)
IR VIDEO
Note:
 Pin No. are those of CN1011 on VC-273 board.
5-2. MECHANISM  SECTION
ADJUSTMENT
Mechanism Section adjustments, checks, and replacement of
mechanism parts, refer to the separate volume “8mm Video Me-
chanical Adjustment Manual IX   M2000 Mechanism  ”.
2-1.
ADJUSTMENT REMOTE COMMANDER
Connect the adjustment remote commander to CN1011 of VC-
273 board via I/F unit for LANC control (J-6082-521-A) and CPC
jig connector (J-6082-539-A). To operate the adjustment remote
commander, connect the AC power adapter (8.4Vdc) to the DC IN
jack of I/F unit for LANC control, or connect the L series Info-
LITHIUM battery to the battery terminal of I/F unit for LANC
control.
2-2.
HOW TO    ENTER  RECORD  MODE
WITHOUT  CASSETTE
1)
Connect the adjustment remote commander.
2) Turn the HOLD switch of the adjustment remote commander
to the ON position.
3) Close the cassette compartment without the cassette.
4) Select page: 3, address: 01, and set data: 0C, and press the
PAUSE button of the adjustment remote commander.
(The mechanism enters the record mode automatically.)
Note:
 The function buttons becomes inoperable.
5) To quit the record mode, select page: 3, address: 01, set data:
00, and press the PAUSE button of the adjustment remote com-
mander. (Whenever you want to quit the record mode, be sure
to quit following this procedure.)
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– 8 –
DCR-TRV140/TRV140E/TRV140M
Page
CORRECT
5-31
-
 : Points changed portion.    
&
 : Points added portion.
5-34
2-4.
TAPE PATH ADJUSTMENT
2-4-1.
Preparations for Adjustment
1) Clean the tape path face (tape guide, drum, capstan shaft, pinch
roller).
2) Connect the adjustment remote commander.
3) Turn on the HOLD switch of the adjustment remote com-
mander.
4) Select page: 3, address: 33, and set data: 08.
5) Connect the oscilloscope to I/F unit for LANC control.
Channel 1: PB RF (MON)
Channel 2: SWP
Note:
Connect a 75 
 resistor between the test point PB
RF (MON) and GND.
75 
 resistor (Parts code: 1-247-804-11)
6) Playback the SW/OL standard tape. (WR5-2D)
7) Check that the oscilloscope RF waveform is flat at the entrance
and exit.
If not flat, perform the following section 2-4-2. until it is flat.
8) Perform  “Processing after operations”, after completing ad-
justment.
Test point of I/F unit for LANC control
Pin No.
Signal Name
Pin No.
Signal Name
N.C
BL
15
EVF VCO
14
EVF VG
N.C
BL 4.75
9
PB RF (MON)
3 (N.C)
BPF MONI
6, 8, 10,
GND
N.C
TMS
7 (N.C)
REC RF (RF IN)
N.C
TDI
N.C
TDO
5
SWP
N.C
TCK
4 (N.C)
CAP FG
2 (N.C)
IR VIDEO
Note:
 Pin No. are those of CN1011 on VC-273 board.
Table 5-2-1
3-1-1. Equipment to Required
1) TV monitor
2) Oscilloscope (dual-phenomenon, band width above 30 MHz
with delay mode) (Unless specified otherwise, use a 10 : 1
probe)
3) Frequency counter
4) Digital voltmeter
5) Audio level meter
6) Regulated power supply
7) Digital8 alignment tapes
• SW/OL standard (WR5-2D)
Parts code: 8-967-993-22
• Audio operation check for NTSC (WR5-3ND)
Parts code: 8-967-993-32
• System operation check for NTSC (WR5-5ND)
Parts code: 8-967-993-42
• Audio operation check for PAL (WR5-3CD)
Parts code: 8-967-993-37
• System operation check for PAL (WR5-5CD)
Parts code: 8-967-993-47
8) Adjustment remote commander (J-6082-053-B)
9) CPC jig connector (J-6082-539-A)
10) I/F unit for LANC control (J-6082-521-A)
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