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Model
CCD-TRV138 CCD-TRV238E CCD-TRV338 CCD-TRV438E (serv.man2)
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52
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732.78 KB
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PDF
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Service Manual
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Device
Movie / SECTION 6 ADJUSTMENTS
File
ccd-trv138-ccd-trv238e-ccd-trv338-ccd-trv438e-sm2.pdf
Date

Sony CCD-TRV138 / CCD-TRV238E / CCD-TRV338 / CCD-TRV438E (serv.man2) Service Manual ▷ View online

6-27
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)
6-28
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.
6-29
CCD-TRV138/TRV238E/TRV338/TRV438E
3-1-5.
Alignment Tapes
The following table lists alignment tapes which are available.
Use the tape specified in the signal column for each adjustment. If the type of tape to be used for checking operations is not specified, use
whichever type.
Alignment tape
Tape type:
ME .................................. Particle type metal tape
MP ................................... Evaporated type metal tape
Table 6-3-3
Fig. 6-3-2. shows the 75% color bar signals recorded on the alignment tape.
Note: Measure using the VIDEO terminal (Terminated at 75 
Ω).
Name
Tracking
(WR5-1NU(NTSC), WR5-1CU(PAL))
Video frequency characteristics
(WR5-10NM(NTSC), WR5-10CM(PAL))
Operation check
(WR5-5NSP(NTSC), WR5-5CSP(PAL))
Operation check
(WR5-8NSE(NTSC), WR5-8CSE(PAL))
Operation check
(WR5-4NL(NTSC), WR5-4CL(PAL))
Operation check
(WR5-8NLE(NTSC), WR5-8CLE(PAL))
BPF adjustment
(WR5-11NS(NTSC), WR5-11CS(PAL))
Tape speed
SP
SP (NTSC)
LP (PAL)
SP
SP
LP
LP
SP
Usage
Tape path adjustment, Switching position
adjustment
Frequency characteristics adjustment
Operation check
BPF adjustment
Recording mode
Standard 8
Hi8
Standard 8
Hi8
Standard 8
Hi8
Standard 8
Tape type
MP
ME
MP
ME
MP
ME
MP
For NTSC model
For PAL model
Color bar signal waveform
Color bar pattern
Color bar signal waveform
Fig. 6-3-2. Color bar signal of alignment tapes
1 V
0.714 V
0.286 V
White (75%)
White (100%)
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
Burst signal
0.286 V
Q
I
Horizontal sync signal
(75%)
White
Y
ello
w
Cy
an
Green
Magenta
Red
Blue
Q
I
White
(100%)
Black
1 V
0.7 V
0.3 V
White (100%)
Ye
llo
w
Cy
an
Green
Magenta
Red
Blue
Burst signal
Horizontal sync signal
0.3 V
(100%)
Ye
llo
w
Cy
an
Green
Magenta
Red
Blue
White
Blac
k
Color bar pattern
6-30
CCD-TRV138/TRV238E/TRV338/TRV438E
3-1-6.
Output Level and Impedance
Audio/Video output
AV MINIJACK:
Video signal: 1 Vp-p, 75 
Ω (ohms), unbalanced, sync
 negative
Audio signal: 327 mV (at output impedance more than
 47 k
Ω (kilohms))
Output impedance with less than 2.2 k
Ω (kilohms)
3-1-7.
Recording Mode (Standard 8/Hi8) Switching
The record mode (Standard 8/Hi8) of this unit switches as shown
in the following table. The playback mode (Standard 8/Hi8)
switches automatically according to the recording mode of the tape
played back.
Tape Used
Recording Mode
ME
Hi8
Hi8 MP
MP
Standard 8
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