Sony CCD-TRV66E / CCD-TRV77E Service Manual ▷ View online
5-39
A
0.18
µ
sec
Fig. 5-3-12.
7. REC Y Current Adjustment (VC-214 board)
Adjust the Y FM signal recording current.
Mode
VTR recording (SP mode)
Signal
No signal
Measurement Point
Pin 0 of CN910 (REC RF)
Measuring Instrument
Oscilloscope
(20 MHz BW LIMIT: OFF)
(20 MHz BW LIMIT: OFF)
Adjustment Page
F
Adjustment Address
73 to 7A
Specified Value
A=185 ± 5mV
Preparations only for the model without REC switch:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 14, after memorizing the data, set the
bit value of bit1 to “1”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
bit value of bit1 to “1”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
3)
Insert a tape, and set to recording mode. (Use the wireless
remote commander of 8mm VCR.)
remote commander of 8mm VCR.)
Adjusting method:
1)
1)
Insert a tape, and set to recording mode.
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: F, address: 7C, after note down the data , set data:
00, and press the PAUSE button of the adjustment remote
commander.
00, and press the PAUSE button of the adjustment remote
commander.
4)
Select page: F, address: 85, after note down the data , set data:
00, and press the PAUSE button of the adjustment remote
commander.
00, and press the PAUSE button of the adjustment remote
commander.
5)
Select page: 2, address: 01, set data: 41, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
6)
Select page: F, address: 74 , change the data and set the Y signal
level (A) to the specified value.
level (A) to the specified value.
7)
Press the PAUSE button of the adjustment remote commander.
8)
Select page: F, address: 74 , and read the data (D
74
).
9)
Calculate the adjustment data from the following equations,
and input each adjustment address.
and input each adjustment address.
Address: 73
D
73
= D
74
Address: 75
D
75
= D
74
Address: 76
D
76
= D
74
Note:
After setting each data, be sure to press the PAUSE button of
the adjustment remote commander.
the adjustment remote commander.
10) Write the following data in page: F, address: 77 to 7A .
Note:
After setting each data, be sure to press the PAUSE button of
the adjustment remote commander.
the adjustment remote commander.
11) Select page: F, address: 7C, set the data noted down at step 3),
and press the PAUSE button of the adjustment remote
commander.
commander.
12) Select page: F, address: 85, set the data noted down at step 4),
and press the PAUSE button of the adjustment remote
commander.
commander.
13) Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
14) Select page: 0, address: 01, and set data: 00.
Address
77
78
79
7A
Data
63
6B
63
6B
Processing after completed adjustment only for the model
without REC switch:
1)
without REC switch:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 14, and set the data memorized at step
2) of “Preparations only for the model without REC switch”.
2) of “Preparations only for the model without REC switch”.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
5-40
A
0.67
µ
sec
Center of the luminace line width
Center of the luminace line width
Fig. 5-3-13.
VC-214 BOARD
IC202
1
44
132
89
176
133
45
88
IC001
12
1
25 36
13
48
24
37
C085
8. REC L Level Adjustment (VC-214 board)
Set the recording levels of the REC AFM signal and REC ATF signal.
If the level is too low, the audio S/N will deteriorated, tracking will
not be stable, or SP/LP will not be discriminated properly. If too
high, color beets will be produced on the self-recording / playback
image.
If the level is too low, the audio S/N will deteriorated, tracking will
not be stable, or SP/LP will not be discriminated properly. If too
high, color beets will be produced on the self-recording / playback
image.
Mode
VTR recording (SP mode)
Signal
No signal
Measurement Point
Pin 0 of CN910 (REC RF)
Measuring Instrument
Oscilloscope
(20 MHz BW LIMIT: OFF)
(20 MHz BW LIMIT: OFF)
Adjustment Page
F
Adjustment Address
7B to 84
Specified Value
A=11.0 ± 0.7mV
Note:
Do not insert any plug into the AUDIO (R) terminal.
Connection:
1)
1)
Remove C085 (0.01
µ
F, Pin !§ of IC202).
Note:
After completing “REC L Level Adjustment” and “REC C
Current Adjustment”, replace C085 with new parts (1-182-970-
11 CERAMIC CHIP 0.01
Current Adjustment”, replace C085 with new parts (1-182-970-
11 CERAMIC CHIP 0.01
µ
F 10% 25V).
Preparations only for the model without REC switch:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 14, after memorizing the data, set the
bit value of bit1 to “1”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
bit value of bit1 to “1”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
3)
Insert a tape, and set to recording mode. (Use the wireless
remote commander of 8mm VCR.)
remote commander of 8mm VCR.)
Adjusting method:
1)
1)
Insert Hi8 ME tape, and set to recording mode.
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: F, address: 7B, set data: 00, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
4)
Select page: F, address: 85, set data: 00, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
5)
Select page: F, address: 7C, change the data and set the REC
AFM signal level (A) to the specified value.
AFM signal level (A) to the specified value.
6)
Press the PAUSE button of the adjustment remote commander.
7)
Select page: F, address: 7C, read the data (D
7C
).
8)
Convert D
7C
to decimal notation, and obtain D
7C
'. (Refer to Table
5-4-1. “Hexadecimal-decimal conversion table” of “5-4. Service
Mode”.)
Mode”.)
9)
Calculate the adjustment data (decimal) from the following
equations (decimal calculation), convert it to a hexadecimal
number, and input each adjustment address.
equations (decimal calculation), convert it to a hexadecimal
number, and input each adjustment address.
Address: 7B
D
7B
' = D
7C
'
Address: 7D
D
7D
' = D
7C
'
Address: 7E
D
7E
' = D
7C
'
Address: 7F
D
7F
' = D
7C
' –68
Address: 80
D
80
' = D
7C
' –68
Address: 81
D
81
' = D
7C
' –68
Address: 82
D
82
' = D
7C
' –68
Note:
After setting each data, be sure to press the PAUSE button of
the adjustment remote commander.
the adjustment remote commander.
10) Write the following data (hexadecimal) in page: F, address: 83
to 84.
Note:
After setting each data, be sure to press the PAUSE button of
the adjustment remote commander.
the adjustment remote commander.
11) Select page: 0, address: 01, and set data: 00.
12) Perform “REC C Current Adjustment”.
12) Perform “REC C Current Adjustment”.
Address
83
84
Data
96
96
Processing after completed adjustment only for the model
without REC switch:
1)
without REC switch:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 14, and set the data memorized at step
2) of “Preparations only for the model without REC switch”.
2) of “Preparations only for the model without REC switch”.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
5-41
A
1.35
µ
sec
Center of the luminance line width
Fig. 5-3-14.
9. REC C Current Adjustment (VC-214 board)
Set the recording current levels of the REC Chroma signal. If it is
too low, chroma signal noise in played back picture will increased.
If too high, Y signal noises will increase and white modulation noises
will be produced.
too low, chroma signal noise in played back picture will increased.
If too high, Y signal noises will increase and white modulation noises
will be produced.
Mode
VTR recording (SP mode)
Signal
No signal
Measurement Point
Pin 0 of CN910 (REC RF)
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
85
Specified Value
A=35.7 ± 1.3mV
Connection:
1)
1)
Remove C085 (0.01
µ
F, Pin !§ of IC202).
Note:
After completing “REC L Level Adjustment” and “REC C
Current Adjustment”, replace C085 with new parts (1-162-970-
11 CERAMIC CHIP 0.01
Current Adjustment”, replace C085 with new parts (1-162-970-
11 CERAMIC CHIP 0.01
µ
F 10% 25V).
2)
Connect Pin $∞ of IC001 and GND with a 0.01F capacitor.
0.01
0.01
µ
F capacitor: 1-101-004-00
Preparations only for the model without REC switch:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 14, after memorizing the data, set the
bit value of bit1 to “1”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
bit value of bit1 to “1”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).
3)
Insert a tape, and set to recording mode. (Use the wireless
remote commander of 8mm VCR.)
remote commander of 8mm VCR.)
Adjusting method:
1)
1)
Insert a tape, and set to recording mode.
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: 2, address: 01, set data: 41, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
4)
Select page: 6, address: 61, and set data: 30.
5)
Select page: F, address: DE, after note down the data, set data:
00, and press the PAUSE button of the adjustment remote
commander.
00, and press the PAUSE button of the adjustment remote
commander.
6)
Select page: F, address: 85, change the data and set the REC
chroma signal level (A) to the specified value.
chroma signal level (A) to the specified value.
7)
Press the PAUSE button of the adjustment remote commander.
8)
Select page: F, address: DE, set the data noted down at step 5),
and press the PAUSE button of the adjustment remote
commander.
and press the PAUSE button of the adjustment remote
commander.
9)
Select page: 6, address: 61, and set data: 10.
10) Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
11) Select page: 0, address: 01, and set data: 00.
Processing after completed adjustment only for the model
without REC switch:
1)
without REC switch:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 14, and set the data memorized at step
2) of “Preparations only for the model without REC switch”.
2) of “Preparations only for the model without REC switch”.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
5-42
3-5. IR TRANSMITTER ADJUSTMENTS
Adjust using a IR receiver jig (J-6082-383-A).
Note :
If the distance between the IR receiver jig and the camcorder is
below 1m, cover the LASER LINK emitter with a ND filter. (For
example, when the distance is 30cm to 50cm, cover the LASER
LINK emitter with a ND filter 1.0.)
below 1m, cover the LASER LINK emitter with a ND filter. (For
example, when the distance is 30cm to 50cm, cover the LASER
LINK emitter with a ND filter 1.0.)
Switch setting:
LASER LINK ........................................ ON (Red LED is lit)
1. IR Video Carrier Frequency Adjustment (VC-214 board)
Mode
Camera standby
Subject
Arbitrary
Measurement Point
Pin 5 of CN003 of IR receiver jig (RF)
(Or Pin !§ of IC751 of VC-214 board)
(Or Pin !§ of IC751 of VC-214 board)
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
68
Specified Value
f = 11.85 ± 0.05 MHz
Connection of Equipment
Connect the measuring device as shown in the following figure,
and adjust.
Connect the measuring device as shown in the following figure,
and adjust.
Fig. 5-3-15.
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 01, set data: 37, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
3)
Select page: F, address: 68, change the data, and set the video
carrier frequency (f) to the specified value.
carrier frequency (f) to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
6)
Select page: 0, address: 01, and set data: 00.
2. IR Video Deviation Adjustment (VC-214 board)
Mode
Camera standby
Subject
Arbitrary
Measurement Point
VIDEO OUT terminal of IR receiver jig
(Terminated at 75
(Terminated at 75
Ω
)
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
66
Specified Value
A = 0.87 ± 0.04 V
Connection of Equipment
Connect the measuring device as shown in the following figure,
and adjust.
Connect the measuring device as shown in the following figure,
and adjust.
Fig. 5-3-16.
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 01, set data: 39, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
3)
Select page: F, address: 66, and change the data, set the video
signal amplitude (A) to the specified value.
signal amplitude (A) to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
6)
Select page: 0, address: 01, and set data: 00.
Main unit
IR receiver jig
Pin
5
of
CN003
Frequency counter
Main unit
IR receiver jig
VIDEO
OUT
75
Ω
75
Ω
(1-247-804-11)
Oscilloscope
A
H
Fig. 5-3-17.
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