Sony Handycam DCR-PC2E, Service Manual, Page: 125 / 173

5-43
6. APC & AEQ Adjustment (MR-41 board)
Mode Camera record and playback
Subject Arbitrary
Measurement Point Pin
@º
of CN2904 (RF MON) on
VC-220 board (Note 1)
External trigger: Pin
!¶
of CN2904
(SWP)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 18, 19, 1B, 1C, 21, 73
Specified Value The display data of page: 3,
address: 03 is “00”
Note 1: Connect a 75
Ω
resistor between Pin
@º
and Pin
!ª
(GND) of
CN2904.
75
Ω
resistor (Parts code: 1-247-804-11)
Note 2: The “5. AGC Center Level Adjustment” must have already been
completed before starting this adjustment.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 2, address: 30, and set data: 40.
3) Record the camera signal for a minute.
4) Playback the recorded segment.
5) Select page: 3, address: 33, and set data: 08.
6) Check that the playback RF signal is stable.
7) Select page: 3, address: 01, set data: 07, and press the PAUSE
button of the adjustment remote commander.
8) Select page: 3, address: 02, and check that the data changes
from “07” to “00” in about 15 seconds after pressing the PAUSE
button.
9) Select page: 3, address: 03, and check that the data is “00”.
Note:
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. )
10) Select page: 3, address: 33, and set data: 00.
11) Select page: 2, address: 30, and set data: 00.
12) Select page: 0, address: 01, and set data: 00.
Note 3: If this data is displayed twice successively, the machine is defective.
(Note4)
Note 4: Select page: C, address: 24, and change the data from “0F” to
“0D” or “0E”, and perform re-adjustment. If this data of page: 3,
address: 03 is “00” at step.9), the machine is not defective.
Data of page: 3,
address: 03
20
30
50
60
80
Contents of defect
Perform re-adjustment. (Note 3)
The machine is defective. (Note4)
Perform re-adjustment. (Note 3)
The machine is defective. (Note4)
The machine is defective. (Note4)
7. PLL f
0
& LPF f
0
Final Adjustment (MR-41 board)
Mode VTR playback
Signal Arbitrary
Measurement Point Display data of page: 3, address: 03
Measuring Instrument Adjustment remote commander
Adjustment Page C
Adjustment Address 1F, 20, 22, 47
Specified Value 00
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 30, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 3, address: 02, and check that the data changes to
“00”.
4) Select page: 3, address: 03, and check that the data is “00”.
Note: If the data of page: 3, address: 03 is other than “00”, 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”. )
5) Select page: 0, address: 01, and set data: 00.
Bit value of page: 3, Error contents
address: 03
bit 4 = 1 PLL f
0
, even channel is defective
bit 5 = 1 PLL f
0
, odd channel is defective
bit 6 = 1 LPF f
0
is defective
bit 3 = 1 PLL f
0
final adjustment is defective
Pin
@º
Pin
!¶
PB RF signal is stable
6.7 msec
Fig. 5-3-7.