Sony CCD-TR3200E Service Manual ▷ View online
5-45
1. 1.5 MHz Deviation Adjustment (VC-195 board)
Sets the spectrum of the L-ch ((L+R)/2 signal) level modulated
during recording. If deviated, the crosstalk signal of the audio signal
will occur and the audio level will drop during both playback and
recording.
during recording. If deviated, the crosstalk signal of the audio signal
will occur and the audio level will drop during both playback and
recording.
Mode
VTR recording
Signal
Input the AFM DEV jig output signal to
the left and right audio input terminal
the left and right audio input terminal
Measurement Point
CH1: AFM DEV jig TP31
CH2: AFM DEV jig TP3
CH2: AFM DEV jig TP3
Measuring Instrument
Oscilloscope
ADD mode
CH2 INV mode
CH2 INV mode
Adjustment Page
F
Adjustment Address
45
Specified Value
The level difference between CH1 signal
and CH2 signal should be minimum.
Connection:
1) Connect TP24 and TP26 of the AFM DEV jig to CN910 of the
1) Connect TP24 and TP26 of the AFM DEV jig to CN910 of the
VC-195 board.
TP24(GND) ...................... Pin
8 of CN910
TP26(RF SWP) ................. Pin
!¡ of CN910
2) Connect TP25 (REC AFM) of the AFM DEV jig to Pin
@ª of
IC301 with a 0.01
µ
F capacitor (1-101-004-00).
3) Connect the audio output terminal (J1 and J2) of the AFM DEV
jig to AUDIO terminal of the unit.
4) Connect TP28 (DC), TP27 (GND) of the AFM DEV jig to the
DC power supply (+7Vdc to +9Vdc).
5) Set the AFM DEV jig switches to the following positions.
S1 ............................... BIL Position
S2 ............................... PAL Position
S3 ............................... SIN Position
S2 ............................... PAL Position
S3 ............................... SIN Position
Preparations:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 14, after memorizing the data, set the
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 “3. Bit value discrimination”
of “3-1-8. Service mode”).
of “3-1-8. Service mode”).
3) Select page: D, address: 15, after memorizing the data , set the
bit value of bit7 to “0”.
4) Set to recording mode. (Use the wireless remote commander
of 8mm VCR, or connect Pin
6 of CN935 of DD-105 board
and GND with 4.7k
Ω
resistor for a second.)
4.7k
Ω
resistor: 1-249-425-11
Adjusting method:
1) Match the vertical ranges of CH1 and CH2 of the oscilloscope
1) Match the vertical ranges of CH1 and CH2 of the oscilloscope
to each other.
2) Set the oscilloscope to the ADD mode and CH2 to the INV
(invert) mode.
3) Select page: 0, address: 01, and set data: 01.
4) Select page: F, address: 45, change the data and minimize the
4) Select page: F, address: 45, change the data and minimize the
audio signal level difference (A).
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-16.
Approx. 2msec
A
Processing after completed adjustment:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 14, and set the data memorized at step
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”.
3) Press the PAUSE button of the adjusting remote commander.
4) Select page: D, address: 15, and set the data memorized at step
4) Select page: D, address: 15, and set the data memorized at step
3) of “Preparations”.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
5-46
2. 1.7 MHz Deviation Adjustment (VC-195 board)
Sets the spectrum of the R-ch ((L-R)/2 signal) level modulated during
recording. If deviated, the crosstalk signal of the audio signal will
occur and the audio level will drop during both playback and
recording.
recording. If deviated, the crosstalk signal of the audio signal will
occur and the audio level will drop during both playback and
recording.
Mode
VTR recording
Signal
Input the AFM DEV jig output signal to
the left and right audio input terminal
the left and right audio input terminal
Measurement Point
CH1: AFM DEV jig TP32
CH2: AFM DEV jig TP2
CH2: AFM DEV jig TP2
Measuring Instrument
Oscilloscope
ADD mode
CH2 normal mode
CH2 normal mode
Adjustment Page
F
Adjustment Address
46
Specified Value
The level difference between CH1 signal
and CH2 signal should be minimum.
Connection:
1) Connect TP24 and TP26 of the AFM DEV jig to CN910 of the
1) Connect TP24 and TP26 of the AFM DEV jig to CN910 of the
VC-195 board.
TP24 (GND) ..................... Pin
8 of CN910
TP26 (RF SWP) ................ Pin
!¡ of CN910
2) Connect TP25 (REC AFM) of the AFM DEV jig to Pin
@ª of
IC301 with a 0.01
µ
F capacitor (1-101-004-00).
3) Connect the audio output terminal (J1 and J2) of the AFM DEV
jig to AUDIO terminal of the unit.
4) Connect TP28 (DC), TP27 (GND) of the AFM DEV jig to the
DC power supply (+7Vdc to +9Vdc).
5) Set the AFM DEV jig switches to the following positions.
S1 ............................... BIL Position
S2 ............................... PAL Position
S3 ............................... INV Position
S2 ............................... PAL Position
S3 ............................... INV Position
Preparations:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 14, after memorizing the data, set the
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 “3. Bit value discrimination”
of “3-1-8. Service mode”).
of “3-1-8. Service mode”).
3) Select page: D, address: 15, after memorizing the data , set the
bit value of bit7 to “0”.
4) Set to recording mode. (Use the wireless remote commander
of 8mm VCR, or connect Pin
6 of CN935 of DD-105 board
and GND with 4.7k
Ω
resistor for a second.)
4.7k
Ω
resistor: 1-249-425-11
Adjusting method:
1) Match the vertical ranges of CH1 and CH2 of the oscilloscope
1) Match the vertical ranges of CH1 and CH2 of the oscilloscope
to each other.
2) Set the oscilloscope to the ADD mode and CH2 to the normal
mode.
3) Select page: 0, address: 01, and set data: 01.
4) Select page: F, address: 46, change the data and minimize the
4) Select page: F, address: 46, change the data and minimize the
audio signal level difference (A).
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-17.
Approx. 2msec
A
Processing after completed adjustment:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 14, and set the data memorized at step
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”.
3) Press the PAUSE button of the adjusting remote commander.
4) Select page: D, address: 15, and set the data memorized at step
4) Select page: D, address: 15, and set the data memorized at step
3) of “Preparations”.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
5-48E
3-6.
ARRANGEMENT DIAGRAM FOR ADJUSTMENT PARTS
VC-195 BOARD (SIDE A)
CN909
CN501
IC202
CN551
IC604
CN911
C085
IC001
IC301
10
1
23
1
1
15
2
16
1
44
132
89
45
88
176
133
1
25
75
51
26
50
100
76
50
1
33
48
16
1
49
64
32
17
1
16
48
33
17
32
64
49
VC-195 BOARD (SIDE B)
IC501
CN910
IC751
1
16
1
12
36
25
13
24
48
37
1
12
36
25
13
24
48
37
3. BPF f0 Adjustment (VC-195 board)
Sets the BPF passing frequency so that the AFM signal can separate
from the playback RF signal properly. If deviated. the mono/stereo
mode will be differentiated incorrectly, and noises and distortions
will increase during high volume playback.
from the playback RF signal properly. If deviated. the mono/stereo
mode will be differentiated incorrectly, and noises and distortions
will increase during high volume playback.
Mode
Playback
Signal
Alignment tape:
For BPF adjustment
(WR5-11CS)
(WR5-11CS)
Measurement Point
Audio output terminal left or right
Measuring Instrument
distortion meter
Adjustment Page
F
Adjustment Address
47
Specified Value
The Main and Sub channel distortion
rate should be almost the same
(within
rate should be almost the same
(within
±
1%) and minimum.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Set the Hi-Fi sound switch (menu display) to “2”.
3) Select page: F, address: 47, change the data and minimize the
1) Select page: 0, address: 01, and set data: 01.
2) Set the Hi-Fi sound switch (menu display) to “2”.
3) Select page: F, address: 47, change the data and minimize the
distortion rate.
4) Press the PAUSE button of the adjusting remote commander.
5) Set the Hi-Fi sound switch (menu display) to “1”.
6) Select page: F, address: 47, change the data and minimize the
5) Set the Hi-Fi sound switch (menu display) to “1”.
6) Select page: F, address: 47, change the data and minimize the
distortion rate.
7) Press the PAUSE button of the adjusting remote commander.
8) Repeat steps 2) to 7) and set the data of address: 47 so that the
8) Repeat steps 2) to 7) and set the data of address: 47 so that the
distortions rates when the Hi-Fi sound switch is set to “2” and
set to “1” respectively are almost the same and minimum.
set to “1” respectively are almost the same and minimum.
9) Press the PAUSE button of the adjusting remote commander.
11) Select page: 0, address: 01, and set data: 00.
12) Set the Hi-Fi sound switch to “STEREO”.
11) Select page: 0, address: 01, and set data: 00.
12) Set the Hi-Fi sound switch to “STEREO”.
5-47
5-48E
3-6.
ARRANGEMENT DIAGRAM FOR ADJUSTMENT PARTS
VC-195 BOARD (SIDE A)
CN909
CN501
IC202
CN551
IC604
CN911
C085
IC001
IC301
10
1
23
1
1
15
2
16
1
44
132
89
45
88
176
133
1
25
75
51
26
50
100
76
50
1
33
48
16
1
49
64
32
17
1
16
48
33
17
32
64
49
VC-195 BOARD (SIDE B)
IC501
CN910
IC751
1
16
1
12
36
25
13
24
48
37
1
12
36
25
13
24
48
37
3. BPF f0 Adjustment (VC-195 board)
Sets the BPF passing frequency so that the AFM signal can separate
from the playback RF signal properly. If deviated. the mono/stereo
mode will be differentiated incorrectly, and noises and distortions
will increase during high volume playback.
from the playback RF signal properly. If deviated. the mono/stereo
mode will be differentiated incorrectly, and noises and distortions
will increase during high volume playback.
Mode
Playback
Signal
Alignment tape:
For BPF adjustment
(WR5-11CS)
(WR5-11CS)
Measurement Point
Audio output terminal left or right
Measuring Instrument
distortion meter
Adjustment Page
F
Adjustment Address
47
Specified Value
The Main and Sub channel distortion
rate should be almost the same
(within
rate should be almost the same
(within
±
1%) and minimum.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Set the Hi-Fi sound switch (menu display) to “2”.
3) Select page: F, address: 47, change the data and minimize the
1) Select page: 0, address: 01, and set data: 01.
2) Set the Hi-Fi sound switch (menu display) to “2”.
3) Select page: F, address: 47, change the data and minimize the
distortion rate.
4) Press the PAUSE button of the adjusting remote commander.
5) Set the Hi-Fi sound switch (menu display) to “1”.
6) Select page: F, address: 47, change the data and minimize the
5) Set the Hi-Fi sound switch (menu display) to “1”.
6) Select page: F, address: 47, change the data and minimize the
distortion rate.
7) Press the PAUSE button of the adjusting remote commander.
8) Repeat steps 2) to 7) and set the data of address: 47 so that the
8) Repeat steps 2) to 7) and set the data of address: 47 so that the
distortions rates when the Hi-Fi sound switch is set to “2” and
set to “1” respectively are almost the same and minimum.
set to “1” respectively are almost the same and minimum.
9) Press the PAUSE button of the adjusting remote commander.
11) Select page: 0, address: 01, and set data: 00.
12) Set the Hi-Fi sound switch to “STEREO”.
11) Select page: 0, address: 01, and set data: 00.
12) Set the Hi-Fi sound switch to “STEREO”.
5-47
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