Sony DCR-TRV16 / DCR-TRV16E / DCR-TRV18 / DCR-TRV18E (serv.man2) Service Manual ▷ View online
5-43
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
Decimal
(D
3
)
Hexa-
decimal
(H
3
)
0
256
512
768
1024
1280
1536
1792
2048
2304
2560
2816
3072
3328
3584
3840
4096
4352
4608
4864
5120
5376
5632
5888
6144
6400
6656
6912
7168
7424
7680
7936
8192
8448
8704
8960
9216
9472
9728
9984
10240
10496
10752
11008
11264
11520
11776
12032
12288
12544
12800
13056
13312
13568
13824
14080
14336
14592
14848
15104
15360
15616
15872
16128
16384
16640
16896
17152
17408
17664
17920
18176
18432
18688
18944
19200
19456
19712
19968
20224
20480
20736
20992
21248
21504
21760
22016
22272
22528
22784
23040
23296
23552
23808
24064
24320
24576
24832
25088
25344
25600
25856
26112
26368
26624
26880
27136
27392
27648
27904
28160
28416
28672
28928
29184
29440
29696
29952
30208
30464
30720
30976
31232
31488
31744
32000
32256
32512
32768
33024
33280
33536
33792
34048
34304
34560
34816
35072
35328
35584
35840
36096
36352
36608
36864
37120
37376
37632
37888
38144
38400
38656
38912
39168
39424
39680
39936
40192
40448
40704
40960
41216
41472
41728
41984
42240
42496
42752
43008
43264
43520
43776
44032
44288
44544
44800
45056
45312
45568
45824
46080
46336
46592
46848
47104
47360
47616
47872
48128
48384
48640
48896
49152
49408
49664
49920
50176
50432
50688
50944
51200
51456
51712
51968
52224
52480
52736
52992
53248
53504
53760
54016
54272
54528
54784
55040
55296
55552
55808
56064
56320
56576
56832
57088
57344
57600
57856
58112
58368
58624
58880
59136
59392
59648
59904
60160
60416
60672
60928
61184
61440
61696
61952
62208
62464
62720
62976
63232
63488
63744
64000
64256
64512
64768
65024
65280
0000
0100
0200
0300
0400
0500
0600
0700
0800
0900
0A00
0B00
0C00
0D00
0E00
0F00
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
1A00
1B00
1C00
1D00
1E00
1F00
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
2A00
2B00
2C00
2D00
2E00
2F00
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
3A00
3B00
3C00
3D00
3E00
3F00
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
4A00
4B00
4C00
4D00
4E00
4F00
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
5A00
5B00
5C00
5D00
5E00
5F00
6000
6100
6200
6300
6400
6500
6600
6700
6800
6900
6A00
6B00
6C00
6D00
6E00
6F00
7000
7100
7200
7300
7400
7500
7600
7700
7800
7900
7A00
7B00
7C00
7D00
7E00
7F00
8000
8100
8200
8300
8400
8500
8600
8700
8800
8900
8A00
8B00
8C00
8D00
8E00
8F00
9000
9100
9200
9300
9400
9500
9600
9700
9800
9900
9A00
9B00
9C00
9D00
9E00
9F00
A000
A100
A200
A300
A400
A500
A600
A700
A800
A900
AA00
AB00
AC00
AD00
AE00
AF00
B000
B100
B200
B300
B400
B500
B600
B700
B800
B900
BA00
BB00
BC00
BD00
BE00
BF00
C000
C100
C200
C300
C400
C500
C600
C700
C800
C900
CA00
CB00
CC00
CD00
CE00
CF00
D000
D100
D200
D300
D400
D500
D600
D700
D800
D900
DA00
DB00
DC00
DD00
DE00
DF00
E000
E100
E200
E300
E400
E500
E600
E700
E800
E900
EA00
EB00
EC00
ED00
EE00
EF00
F000
F100
F200
F300
F400
F500
F600
F700
F800
F900
FA00
FB00
FC00
FD00
FE00
FF00
Table 5-3-3.
5-44
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
3-3.
SERVO AND RF SYSTEM ADJUSTMENT
Before perform the servo and RF system adjustments, check that
the specified value of “36 MHz Origin Oscillation Adjustment” of
“CAMERA SYSTEM ADJUSTMENT” is satisfied.
And check that the data of page: 0, address: 10 is “00”. If not, set
data: 00 to this address.
the specified value of “36 MHz Origin Oscillation Adjustment” of
“CAMERA SYSTEM ADJUSTMENT” is satisfied.
And check that the data of page: 0, address: 10 is “00”. If not, set
data: 00 to this address.
Adjusting Procedure:
1.
1.
CAP FG duty adjustment
2.
PLL f
0
& LPF f
0
adjustment
3.
Switching position adjustment
4.
AGC center level and APC & AEQ adjustment
5.
PLL f
0
& LPF f
0
fine adjustment
1. Cap FG Duty Adjustment (VC-280 Board)
Set the Cap FG signal duty cycle to 50% to establish an appropriate
capstan servo. If deviated, the uneven rotation of capstan and noise
can occur.
capstan servo. If deviated, the uneven rotation of capstan and noise
can occur.
Measurement Point
Display data of page: 3, address: 02, 03
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
16
Specified Value
Data of page: 3, address: 02 is “00”.
Data of page: 3, address: 03 is “00”.
Data of page: 3, address: 03 is “00”.
Note1:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
Close the cassette compartment
without inserting a cassette.
without inserting a cassette.
2
0
01
01
Set the data.
3
3
01
1B
Set the data, and press PAUSE
button.
button.
4
3
02
Check that the data changes in
the following order.
“1B”
the following order.
“1B”
t “2B” t “00”
5
3
03
Check that the data is “00”.
(Note2)
(Note2)
6
0
01
00
Set the data.
Note2:
If the data is “01”, adjustment has errors or the mechanism deck is
defective.
defective.
2. PLL f
0
& LPF f
0
Adjustment (VC-280 Board)
Mode
VTR stop
Measurement Point
Display data of page: 3, address: 02, 03
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
1F, 20, 22, 29
Specified Value
Data of page: 3, address: 02 is “00”.
Data of page: 3, address: 03 is “00”.
Data of page: 3, address: 03 is “00”.
Note1:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
C
21
DC
Set the data, and press PAUSE
button.
button.
3
3
01
30
Set the data, and press PAUSE
button.
button.
4
3
02
Check that the data changes to
“00” with in 5 sec. (Note2)
“00” with in 5 sec. (Note2)
5
3
03
Check that the data is “00”.
(Note2)
(Note2)
6
0
01
00
Set the data.
Note2:
If it isn’t satisfied, select page: C, address: 21, set the following
data, and press the PAUSE button, and repeat steps 3 to 5.
data, and press the PAUSE button, and repeat steps 3 to 5.
There are errors when it isn’t satisfied even if the above treatment
is done.
If bit2, bit3, bit4, bit5 or bit 6 of the data of page: 3, address: 03 is
“1”, there are errors. For the error contents, see the following table.
(For the bit values, refer to “5-4. SERVICE MODE”, “4-3. 3. Bit
value discrimination”.)
is done.
If bit2, bit3, bit4, bit5 or bit 6 of the data of page: 3, address: 03 is
“1”, there are errors. For the error contents, see the following table.
(For the bit values, refer to “5-4. SERVICE MODE”, “4-3. 3. Bit
value discrimination”.)
Setting data
E0
D8
E4
D4
When the data of page: C, address: 21 is “DC”.
When the data of page: C, address: 21 is “E0”.
When the data of page: C, address: 21 is “D8”.
When the data of page: C, address: 21 is “E4”
Bit value of page: 3,
address: 03 data
address: 03 data
bit 2 = 1 or bit 3 = 1
bit 4 = 1 or bit 5 = 1
bit 6 = 1
Error contents
PLL f
0
fine adjustment is defective
PLL f
0
adjustment is defective
LPF f
0
is defective
5-45
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
3. Switching Position Adjustment (VC-280 Board)
To obtain normal playback waveform output during the Digital8
playback mode, adjust the switching position.
playback mode, adjust the switching position.
Mode
VTR playback
Signal
SW/OL reference tape (XH2-3)
Measurement Point
Display data of page: 3, address: 02, 03
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
10, 11, 12, 13
Specified Value
Data of page: 3, address: 02 is “00”.
Data of page: 3, address: 03 is “00”.
Data of page: 3, address: 03 is “00”.
Note1:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
Insert the SW/OL reference tape
and enter the VTR STOP mode.
and enter the VTR STOP mode.
2
0
01
01
Set the data.
3
C
10
EE
Set the data, and press PAUSE
button.
button.
4
3
21
Check that the data is “02”.
(Note2)
(Note2)
5
3
01
0D
Set the data, and press PAUSE
button.
button.
6
3
02
Check that the data changes to
“00”.
“00”.
7
3
03
Check that the data is “00”.
(Note3)
(Note3)
8
0
01
00
Set the data.
Note2:
If the data of page: 3, address: 21 is “72”, the tape top being played.
After playing the tape for 1 to 2 seconds, stop it, perform step 5
and higher.
If the data of page: 3, address: 21 is “62”, the tape end being played.
After rewinding the tape, perform step 5 and higher.
After playing the tape for 1 to 2 seconds, stop it, perform step 5
and higher.
If the data of page: 3, address: 21 is “62”, the tape end being played.
After rewinding the tape, perform step 5 and higher.
Note3:
If bit 0 of the data is “1”, the EVEN channel is defective. If bit 1 is
“1”, the ODD channel is defective. Contents of the defect is written
into page: C, addresses: 10 and 12. See the following table. (For
the bit values, refer to “5-4. SERVICE MODE”, “4-3. 3. Bit value
discrimination”.) If bit 3 of the data is “1”, the tape end being
played, so rewind the tape and perform the adjustment again.
“1”, the ODD channel is defective. Contents of the defect is written
into page: C, addresses: 10 and 12. See the following table. (For
the bit values, refer to “5-4. SERVICE MODE”, “4-3. 3. Bit value
discrimination”.) If bit 3 of the data is “1”, the tape end being
played, so rewind the tape and perform the adjustment again.
When the EVEN channel is defective
When the ODD channel is defective
Data of page: C,
address: 10
address: 10
EE
E8
E7
Contents of defect
Writing into EEPROM (IC2502) is defective
Adjustment data is out of range
No data is returned from IC2101
Data of page: C,
address: 12
address: 12
EE
E8
E7
Contents of defect
Writing into EEPROM (IC2502) is defective
Adjustment data is out of range
No data is returned from IC2101
4. AGC Center Level and APC & AEQ Adjustment
Note:
The data of page: 0, address: 10 must be “00”.
4-1. Preparations before adjustments
Mode
Camera recording
Subject
Arbitrary
Adjusting method:
Order Page Address Data
Procedure
1
7
30
80
Set the data.
2
Record the camera signal for
three minutes.
three minutes.
4-2. AGC Center Level Adjustment (VC-280 Board)
Mode
Playback
Signal
Recorded signal at “Preparations
before adjustments”
before adjustments”
Measurement Point
Pin w; of CN1002 (RF MON) (Note1)
Ext. trigger: Pin qj of CN1002 (SWP)
Ext. trigger: Pin qj of CN1002 (SWP)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
1E
Specified Value
Data of page: 3, address: 02 is “00”.
Data of page: 3, address: 03 is “00”.
Data of page: 3, address: 03 is “00”.
Note1:
Connect a 75
Ω
resistor between Pin w; and Pin ql (GND) of
CN1002.
75
75
Ω
resistor (Parts code: 1-247-804-11)
Adjusting method:
Order Page Address Data
Procedure
1
Playback the recorded signal at
“Preparations before adjustments”
“Preparations before adjustments”
2
0
01
01
Set the data.
3
3
33
08
Set the data.
4
Confirm that the playback RF
signal is stable. (Fig. 5-3-4.)
signal is stable. (Fig. 5-3-4.)
5
3
01
23
Set the data, and press PAUSE
button.
button.
6
3
02
Check that the data is “00”.
7
3
03
Check that the data is “00”.
(Note2)
(Note2)
8
Perform “APC & AEQ
Adjustment”.
Adjustment”.
Note2:
If the data of page: 3, address: 03 is other than “00”, adjustment
has errors. (Take an appropriate remedial measures according to
the errors referring to the following table.)
has errors. (Take an appropriate remedial measures according to
the errors referring to the following table.)
Data
Contents of defect
20
Perform re-adjustment. (Note 3)
30
The machine is defective
40
Perform re-adjustment. (Note 3)
50
The machine is defective
Note3:
If this data is displayed twice successively, the machine is defective.
5-46
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
4-3. APC & AEQ Adjustment (VC-280 Board)
Mode
Playback
Signal
Recorded signal at “Preparations
before adjustments”
before adjustments”
Measurement Point
Pin w; of CN1002 (RF MON) (Note1)
Ext. trigger: Pin qj of CN1002 (SWP)
Ext. trigger: Pin qj of CN1002 (SWP)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
18, 19, 1B, 1C, 21, 2C
Specified Value
Data of page: 3, address: 02 is “00”.
Data of page: 3, address: 03 is “00”.
Data of page: 3, address: 03 is “00”.
Note1:
Connect a 75
Ω
resistor between Pin w; and Pin ql (GND) of
CN1002.
75
Ω
resistor (Parts code: 1-247-804-11)
Note2:
The “AGC Center Level Adjustment” must have already been
completed before starting this adjustment.
completed before starting this adjustment.
Adjusting method:
Order Page Address Data
Procedure
1
Playback the recorded signal at
“Preparations before adjustments”
“Preparations before adjustments”
2
0
01
01
Set the data.
3
3
33
08
Set the data.
4
Confirm that the playback RF
signal is stable. (Fig. 5-3-4.)
signal is stable. (Fig. 5-3-4.)
5
3
01
07
Set the data, and press PAUSE
button.
button.
6
3
02
Check that the data changes from
“07” to “00” in about 20 seconds
after pressing PAUSE button.
“07” to “00” in about 20 seconds
after pressing PAUSE button.
7
3
03
Check that the data is “00”.
(Note3)
(Note3)
8
Perform “Processing after
Completing Adjustments”.
Completing Adjustments”.
Note3:
If the data is other than “00”, adjustment has errors. Take an
appropriate remedial measures according to the errors referring to
the following table.
appropriate remedial measures according to the errors referring to
the following table.
Data
Contents of defect
20
Perform re-adjustment. (Note 4)
30
The machine is defective
50
Perform re-adjustment. (Note 4)
60
The machine is defective
80
The machine is defective
Note4:
If this data is displayed twice successively, the machine is defective.
4-4. Processing after Completing Adjustments
Order Page Address Data
Procedure
1
7
30
00
Set the data.
2
3
33
00
Set the data.
3
0
01
00
Set the data.
6.7 msec
PB RF signal is stable
Pin
qj
Pin
w;
Fig. 5-3-4.
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