DOWNLOAD Sony CCD-TRV138 (serv.man2) Service Manual ↓ Size: 515.62 KB | Pages: 49 in PDF or view online for FREE

Model
CCD-TRV138 (serv.man2)
Pages
49
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515.62 KB
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Service Manual
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Device
Movie / SECTION 6 ADJUSTMENTS BRAZIL
File
ccd-trv138-sm2.pdf
Date

Sony CCD-TRV138 (serv.man2) Service Manual ▷ View online

6-23
CCD-TRV138/TRV238E/TRV338/TRV438E
2. LCD V-COM Adjustment (PD-204 Board)
Set the DC bias of the common electrode drive signal of LCD to
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
52
Specified Value
The brightness difference between
the section-A and section-B is
minimum
Note 1:
Perform “LCD Level Adjustment” before this adjustment.
Note 2:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
C
52
Change the data so that
brightness of the section A
and section B is equal.
3
C
52
Subtract 8 from the data.
4
C
52
Press PAUSE button.
5
0
01
00
3. LCD White Balance Adjustment (PD-204 Board)
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
56, 57
Specified Value
LCD screen must not be colored
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Note 2:
Check the white balance only when replacing the fol-
lowing parts. If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC6001
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
C
56
87
Press PAUSE button.
3
C
57
68
Press PAUSE button.
4
Check that the LCD screen is
not colored. If not colored,
proceed to step 6.
5
C
56
Change the data so that the
LCD screen is not colored.
57
(Note 3)
6
0
01
00
Note 3:
To write in the non-volatile memory (EEPROM), press
the PAUSE button each time to set the data.
A
A
A
A
B
B
B
B
Fig. 6-1-14
6-24
CCD-TRV138/TRV238E/TRV338/TRV438E
6-2. MECHANISM SECTION ADJUSTMENTS
Mechanism Section adjustments, checks, and replacement of
mechanism parts, refer to the separate volume “8mm Video Mecha-
nism Adjustment Manual IX
M2000 Mechanism
”.
Note:
Before perform the adjustments, check that the data of page:
0, address: 10 is “00”.
If not, select page: 0, address: 10, and set the data “00”.
2-1.
ADJUSTMENT REMOTE COMMANDER
Connect the adjustment remote commander to CN007 of VC-341
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 com-
mander, 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.
OPERATING WITHOUT CASSETTE
1) Refer to “Section 2. DISASSEMBLY” and supply the power
with the cabinet assembly removed. (So that the mechanical
deck can be operated.)
2) Connect the adjustment remote commander.
3) Turn  on the HOLD switch of the adjustment remote com-
mander.
4) Close the cassette compartment without loading a cassette and
complete loading.
5) Select page: 0, address: 01, and set data: 01.
6) Select page: C, address: 14, set data: 01, and press the PAUSE
button of the adjustment remote commander.
7) Select page: D, address: 10, set data: 02, and press the PAUSE
button of the adjustment remote commander.
8) Select page: A, address: 10, set data: 10, and press the PAUSE
button of the adjustment remote commander.
9) Select page: 7, address: 10, set data: 02, and press the PAUSE
button of the adjustment remote commander.
10) Disconnect the power supply of the unit.
By carrying out the above procedure, the unit can be operated
without loading a cassette.
Be sure to carry out “Processing after Operations” after check-
ing the operations.
Set the data of page: A, address: 10 to the following if the
sensor ineffective mode, forced VTR power supply On mode
or forced camera power supply ON mode are to be used to-
gether.
Forced VTR power ON mode ....................................... 12
Forced camera power ON mode ................................... 11
[Procedure after checking operations]
1) Select page: 0, address: 01, and set data: 01.
2) Select page: C, address: 14, set data: 00, and press the PAUSE
button of the adjustment remote commander.
3) Select page: D, address: 10, set data: 00, and press the PAUSE
button of the adjustment remote commander.
4) Select page: D, address: 10, set data: 00, and press the PAUSE
button of the adjustment remote commander.
5) Select page: 7, address: 10, set data: E2, and press the PAUSE
button of the adjustment remote commander.
6) Select page: 0, address: 01, and set data: 00.
7) Disconnect the power supply of the unit.
2-3.
TAPE PATH ADJUSTMENT
1.
Preparations for Adjustment
1) Clean the tape path face (tape guide, 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: 0, address: 01, and set data: 01.
5) Select page: C, address: 14, set data: 08, and press the PAUSE
button of the adjustment remote commander.
(Be sure to perform “Processing after operation” after com-
pleting adjustments.)
6) Connect the oscilloscope to I/F unit for LANC control.
Channel 1: PB RF (Pin 9 of CN007)
Channel 2 (Trigger): SWP (Pin 5 of CN007)
7) Playback the alignment tape for tracking. (WR5-1NU (NTSC),
WR5-1CU (PAL))
8) Check that the oscilloscope RF waveform is normal at the en-
trance and exit.
If not normal, adjust according to the separate volume “8mm
Video Mechanical Adjustment Manual IX
M2000 Mechanism
”.
9) 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
BL
15
EVF VCO
14
EVF VG
BL 4.75
9
PB RF (MON)
3
BPF MONI
6, 8 ,10
GND
TMS
7
REC RF (RF IN)
TDI
TDO
5
SWP
TCK
4
CAP FG
2
IR VIDEO
Note:
 Pin No. are those of CN007.
Table 6-2-1.
[Procedure after operations]
1) Connect the adjustment remote commander, and turn on the
HOLD switch.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: C, address: 14, set data: 00, and press the PAUSE
button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
5) Remove the power supply from the unit.
Fig. 6-2-1.
CH1
Entrance 
side
Exit side
Check this section
(Normal waveform)
CH2
(Trigger)
V
6-25
CCD-TRV138/TRV238E/TRV338/TRV438E
6-3. VIDEO SECTION ADJUSTMENTS
3-1.
PREPARATIONS BEFORE ADJUSTMENTS
Use the following measuring instruments for video section adjust-
ments.
Note:
NTSC model: CCD-TRV138/RV338
PAL model: CCD-TRV238E/TRV438E
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) Audio distortion meter
7) Regulated power supply
8) NTSC alignment tapes
For tracking adjustment (WR5-1NU)
Parts code: 8-967-995-04
For video frequency characteristics adjustment (WR5-10NM)
Parts code: 8-967-995-03
For checking Standard 8 mode operations
For LP (WR5-4NL)
Parts code: 8-967-995-51
For SP (WR5-5NSP)
Parts code: 8-967-995-42
Note:
The following alignment tapes can also be used.
WR5-4NSP (8-967-995-41)
For checking Hi8 mode operations
For LP (WR5-8NLE)
Parts code: 8-967-995-52
For SP (WR5-8NSE)
Parts code: 8-967-995-43
For BPF adjustment (WR5-11NS)
Parts code: 8-967-995-71
9) PAL alignment tapes
For tracking adjustment (WR5-1CU)
Parts code: 8-967-995-09
For video frequency characteristics adjustment (WR5-10CM)
Parts code: 8-967-995-08
For checking Standard 8 mode operations
For LP (WR5-4CL)
Parts code: 8-967-995-56
For SP (WR5-5CSP)
Parts code: 8-967-995-47
Note:
The following alignment tapes can also be used.
1) WR5-3CL (8-967-995-36)
2) WR5-4CSP (8-967-995-46)
For checking Hi8 mode operations
For LP (WR5-8CLE)
Parts code: 8-967-995-57
For SP (WR5-8CSE)
Parts code: 8-967-995-48
For BPF adjustment (WR5-11CS)
Parts code: 8-967-995-76
10) Adjustment remote commander (J-6082-053-B)
11) CPC jig connector (J-6082-539-A)
12) I/F unit for LANC control (J-6082-521-A)
6-26
CCD-TRV138/TRV238E/TRV338/TRV438E
CN007
A/V OUT jack
16
1
Audio (black)
Video (yellow)
TV monitor
AC adaptor
AC IN
AC adaptor
CPC lid
Screw (M2)
I/F unit for LANC control
(J-6082-521-A)
CPC jig connector
(J-6082-539-A)
L serices Info
LITHIUM battery (7.2Vdc)
Adjustment
remote commander (RM-95)
Conductor side
LANC jack
AC IN
3-1-2.
Precautions on Adjusting
This set is adjusted in two modes, VTR mode and CAMERA mode.
3-1-3. Adjusting Connectors
Some of the adjusting points of the video section are concentrated
at VC-341 board CN007. Connect the measuring instruments via
I/F unit for LANC control (J-6082-521-A) and CPC jig connector
(J-6082-539-A).
The following table shows the pin No. and signal name of CN007.
Pin No.
Signal Name
Pin No.
Signal Name
1
EEP SCK
9
PB RF
2
PB RF
10
REG GND
3
BPF MONI
11
LANC OUT
4
CAP FG
12
LANC IN
5
SWP DIR
13
XLANC PWR ON
6
REG GND
14
EEP SO
7
REC RF
15
EEP SI
8
REG GND
16
XCS EEP
Table 6-3-1
Connecting the TV Monitor and Adjustment Remote Commander
Fig. 6-3-1
Note:
Use either the AC power adaptor or the InfoLITHIUM battery as the power supply of I/F unit for LANC control.
The following table lists the test point of I/F unit of for LANC
control.
Pin No.
Signal Name
Pin No.
Signal Name
BL
15
EVF VCO
14
EVF VG
BL 4.75
9
PB RF (MON)
3
BPF MONI
6, 8, 10
GND
TMS
7
REC RF (RF IN)
TDI
TDO
5
SWP
TCK
4
CAP FG
2
IR VIDEO
Note:
 Pin No. are those of CN007.
Table 6-3-2
3-1-4. Connecting the Equipment
Connect the measuring instruments as shown in Fig. 6-3-1 and
perform the adjustments.
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