Sony DCR-TRV7 / DCR-TRV7E Service Manual ▷ View online
5–49
H
A
3-4-2. Base Band Block Adjustment
1. Composite Output Y Level Adjustment (CB-58 Board)
Set the Y signal level of the composite video output signal.
2. Composite Output Chroma Level Adjustment
(CB-58 Board)
Set the chroma signal level of the composite video output signal.
Note1:
Insert a plug in the AUDIO/VIDEO OUT jack.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 96, and set the sync signal
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 96, and set the sync signal
level(A) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 0, address: 01.
5) Perform “Composite Output Chroma Level Adjustment”.
4) Set data: 00 to page: 0, address: 01.
5) Perform “Composite Output Chroma Level Adjustment”.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
VTR stop
No signal
Video signal terminal of AUDIO/VIDEO
OUT jack (75
Ω
terminated)
Oscilloscope
D
96
A = 286 ± 6 mV (NTSC)
A = 300 ± 6 mV (PAL)
Fig. 5-3-9.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
VTR stop
No signal
Video signal terminal of AUDIO/VIDEO
OUT jack (75
Ω
terminated)
Oscilloscope
D
97
A = 286 ± 6 mV (NTSC)
A = 300 ± 6 mV (PAL)
Note1:
Insert a plug in the AUDIO/VIDEO OUT jack.
Note2:
Perform “Composite Output Y Level Adjustment” before
this adjustment.
this adjustment.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 97, and set the burst signal
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 97, and set the burst signal
level(A) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 0, address: 01.
5) Perform “S-C Output Level Adjustment”.
4) Set data: 00 to page: 0, address: 01.
5) Perform “S-C Output Level Adjustment”.
H
Fig. 5-3-10.
A
5–50
3. S-C Output Level Adjustment (CB-58 Board)
Set the chroma signal level of the S video output signal.
4. S-Y Output Level Adjustment (CB-58 Board)
Set the Y signal level of the S video output signal.
Note1:
Insert a plug in the S VIDEO output jack.
Note2:
Perform “Composite Output Y Level Adjustment” and
“Composite Output Chroma Level Adjustment” before this
adjustment.
adjustment.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D,a ddress: 94, and set the burst signal
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D,a ddress: 94, and set the burst signal
level(A) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 0, address: 01.
4) Set data: 00 to page: 0, address: 01.
Note1:
Insert a plug in the S VIDEO output jack.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 95, and set the sync signal
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 95, and set the sync signal
level (A) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 0, address: 01.
4) Set data: 00 to page: 0, address: 01.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
VTR stop
No signal
Chroma signal terminal of S VIDEO
output jack (75
Ω
terminated)
Oscilloscope
D
94
A = 286 ± 6 mV (NTSC)
A = 300 ± 6 mV (PAL)
A
H
Fig. 5-3-11.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
VTR stop
No signal
Y signal terminal of S VIDEO output jack
(75
Ω
terminated)
Oscilloscope
D
95
A = 286 ± 6 mV (NTSC)
A = 300 ± 6 mV (PAL)
Fig. 5-3-12.
A
H
5–51
3-4-3. Clock Adjustment
1. IC1900 27MHz XTAL fo Adjustment (RJ-74 Board)
Set the sub-carrier frequency of the video output signal in VTR mode.
Adjusting method:
Adjusting method:
VTR stop
No signal
R1901 (Pin
2 of IC1900)
Frequency counter
D
98
f = 13500000 ± 68Hz (NTSC)
f = 13500000 ± 68Hz (PAL)
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 98, and set the clock
2) Change the data of page: D, address: 98, and set the clock
frequency (f) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 0, address: 01.
4) Set data: 00 to page: 0, address: 01.
2. IC1900 VCO Operation Check (RJ-74 Board)
Checking method:
1) Set data: 01 to page: 0, address: 01.
2) Set data: 02 to page: 2, address: 05 and press the PAUSE button
1) Set data: 01 to page: 0, address: 01.
2) Set data: 02 to page: 2, address: 05 and press the PAUSE button
of the adjusting remote commander.
3) Set data: 03 to page: D, address: B0 and press the PAUSE button
of the adjusting remote commander.
4) Check that the display data of page: 2, address: 0E is “C0” to
“FF”.
5) Set data: 05 to page: D, address: B0 and press the PAUSE button
of the adjusting remote commander.
6) Check that the display data of page: 2, address: 0E is “C0” to
“FF”.
7) Set data: 00 to page: D, address: B0 and press the PAUSE button
of the adjusting remote commander.
8) Set data: 00 to page: 2, address: 05 and press the PAUSE button
of the adjusting remote commander.
9) Set data: 00 to page: 0, address: 01.
3. IC6101 41.85MHz VCO Operation Check (RJ-74 Board)
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Mode
Signal
Measurement Point
Measuring Instrument
Specified Value
VTR stop
No signal
Display data of page: 2, address: 0E of
the adjusting remote commander
“C0” to “FF”
Mode
Subject
Measurement Point
Measuring Instrument
Specified Value
Camera recording
Arbitrary
Display data of page: 3, address: 39 of
the adjusting remote commander
“37” to “C9”
Checking method:
1) Check that the display data of page: 3, address: 39 is “37” to
1) Check that the display data of page: 3, address: 39 is “37” to
“C9”.
3-4-4. BIST Check
1. Playback System Check
1) Set the POWER switch to VTR (or PLAYER) position.
2) Connect the adjusting remote commander and set the HOLD
2) Connect the adjusting remote commander and set the HOLD
switch to HOLD (SERVICE) position.
3) Playback the BIST check tape.
IC1701(D1) Playback System Check
4) Set data: 04 to page: 4, address: 11 and press the PAUSE button.
5) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
6) Set data: 03 to page: 4, address: 13 and press the PAUSE button.
5) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
6) Set data: 03 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
7) When the IC1701 (D1) n IC1601 (U1) playback system is
normal, following data will be displayed in page: 4, address: 14
and 15.
and 15.
8) When the IC1701(D1) n IC3501(INDI) playback system is
normal, following data will be displayed in page: 4, address: 16
and 17.
and 17.
9) When the IC1701 (D1) n IC1901 (A1) playback system is
normal, following data will be displayed in page: 4, address: 18
and 19.
and 19.
IC1901(A1) Playback System Check
10) Set data: 10 to page: 4, address: 11 and press the PAUSE button.
11) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
12) Set data: 04 to page: 4, address: 13 and press the PAUSE button.
11) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
12) Set data: 04 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
13) When the IC1901(A1) playback system is normal, following
data will be displayed in page: 4, address: 14 and 15.
Data
E5 (NTSC), 27 (PAL)
11 (NTSC), CA (PAL)
Data
C0 or BA (NTSC), DC (PAL)
6E or 04 (NTSC), 44 (PAL)
Page
4
4
Page
4
4
Page
4
4
Page
4
4
Address
15
14
Data
7B (NTSC), CC (PAL)
B5 (NTSC), C0 (PAL)
14) Set data: 08 to page: 4, address: 11 and press the PAUSE button.
15) Set data: 07 to page: 4, address: 13 and press the PAUSE button.
15) Set data: 07 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
16) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
17) Perform “Recording System Check”.
17) Perform “Recording System Check”.
Data
33 or B2 (NTSC), A2 (PAL)
59 or 19 (NTSC), 03 (PAL)
Address
19
18
Address
17
16
Address
15
14
5–52
2. Recording System Check
Note1:
Note1:
Peform “Playback System Check” before this check.
Note2:
Close the LCD panel.
1) Playback the BIST check tape.
2) Input the following data in order.
2) Input the following data in order.
Note:
Press the PAUSE button each time set the data.
Data
C6 (NTSC), F8 (PAL)
90 (NTSC), 3E (PAL)
Address
15
14
Page
4
4
20) When the IC1701(D1) n IC3501 (INDI) recording system is
normal, following data will be displayed in page: 4, address: 16
and 17.
and 17.
Data
41 (NTSC), B9 (PAL)
7D (NTSC), F6 (PAL)
Address
17
16
Page
4
4
21) When the IC1901(A1) n IC1701(D1) recording system is
normal, following data will be displayed in page: 4, address: 18
and 19.
and 19.
Data
76 (NTSC), CE (PAL)
B9 (NTSC), E7 (PAL)
Address
19
18
Page
4
4
22) When the IC1701(D1) n IC6101(DX) recording system is
normal, following data will be displayed in page: 4, address: 1A
and 1B.
and 1B.
Page
4
4
Address
1B
1A
Data
72 (NTSC), 8C (PAL)
37 (NTSC), CD (PAL)
23) Set data: 56 to page: D, address: 14, only for AEP and UK
models, and press the PAUSE button.
24) Set data: (03)[01] to page: D, address: 15, and press the PAUSE
button.
( ): NTSC model, PAL E/Tourist model
[ ]: PAL AEP/UK model
( ): NTSC model, PAL E/Tourist model
[ ]: PAL AEP/UK model
25) Set data: 00 to page: 0, address: 01.
Data
01
02
01
01
0A
00
01
0E
00
01
8E
00
Address
41
0F
0E
40
0F
40
40
0F
40
40
0F
40
Page
4
4
4
4
4
4
4
4
4
4
4
4
3) Set to the stop mode.
4) While keep the HOLD switch of the adjusting remote commander
4) While keep the HOLD switch of the adjusting remote commander
at ON (SERVICE) position, eject the BIST check tape and insert
a tape for recording in place of the tape.
a tape for recording in place of the tape.
5) Set data: 01 to page: 0, address: 01.
6) Set data: 57 to page: D, address: 14, only for AEP and UK
6) Set data: 57 to page: D, address: 14, only for AEP and UK
models, and press the PAUSE button.
7) Set data: (07)[05] to page: D, address: 15, and press the PAUSE
button.
( ): NTSC model, PAL E/Tourist model
[ ]: PAL AEP/UK model
( ): NTSC model, PAL E/Tourist model
[ ]: PAL AEP/UK model
8) Set the HOLD switch of the adjusting remote commander to
OFF position.
9) Press the REC button and set to the VTR recording mode.
10) Set the HOLD switch of the adjusting remote commander to ON
10) Set the HOLD switch of the adjusting remote commander to ON
(SERVICE) position.
11) Set data: 02 to page: 4, address: 11 and press the PAUSE button.
12) Set data: 02 to page: 4, address: 13 and press the PAUSE button.
12) Set data: 02 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
13) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
IC1701 (D1) Recording System Check
14) Set data: 0D to page: 3, address: 01 and press the PAUSE button.
15) Set data: FF to page: 4, address: 1C and press the PAUSE button.
16) Set data: 04 to page: 4, address: 11 and press the PAUSE button.
17) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
18) Set data: 03 to page: 4, address: 13 and press the PAUSE button.
15) Set data: FF to page: 4, address: 1C and press the PAUSE button.
16) Set data: 04 to page: 4, address: 11 and press the PAUSE button.
17) Set data: 00 to page: 4, address: 11 and press the PAUSE button.
18) Set data: 03 to page: 4, address: 13 and press the PAUSE button.
(The data will be automatically return to “00”.)
19) When the IC1601 (U1) n IC1701 (D1) recording system is
normal, following data will be displayed in page: 4, address: 14
and 15.
and 15.
Click on the first or last page to see other DCR-TRV7 / DCR-TRV7E service manuals if exist.