Mechanism Section Adjustment; Adjustment Remote Commander; Operating Without Cassette; Tape Path Adjustment - Sony DCR-IP45 Service Manual

5-2. MECHANISM SECTION
ADJUSTMENT
On the mechanism section adjustment
For detail of mechanism section adjustments, checks, and
replacement of mechanism parts, refer to the separate volume
"MICRO MV MECHANICAL ADJUSTMENT MANUAL 1
V Mechanism ".
2-1.

Adjustment Remote Commander

Connect the adjustment remote commander to LANC jack.
2-2.

OPERATING WITHOUT CASSETTE

1) Connect the adjustment remote commander.
2) Turn on the HOLD switch of the adjustment remote
commander.
3) Close the cassette compartment without loading a cassette and
complete loading.
4) Select page: 0, address: 01, and set data: 01.
5) Select page: 9, address: 74, set data: 01, and press the PAUSE
button.
6) Select page: 9, address: 81, set data: 01, and press the PAUSE
button.
7) Select page: 9, address: C4, set data: 02, and press the PAUSE
button.
8) Disconnect the power supply of the unit.
By carrying out the above procedure, the unit can be operated
without loading a cassette. Never do opening or closing of the
cassette compartment under this condition.
Be sure to carry out "Procedure checking operations" after
checking the operations.
Set the following data to page: D, address: 10, if the forced
power supply ON mode is to be used together.
Forced VTR power supply ON mode .............................. 02
Forced CAMERA power supply ON mode ..................... 01
[Procedure after checking operations]
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 9, address: 74, set data: 00, and press the PAUSE
button.
3) Select page: 9, address: 81, set data: 00, and press the PAUSE
button.
4) Select page: 9, address: C4, set data: 00, and press the PAUSE
button.
5) Select page: 0, address: 01, and set data: 00.
6) Disconnect the power supply of the unit.
CH1
Trigger
5msec
Fig. 5-2-1.
DCR-IP45/IP45E/IP55/IP55E
2-3.

TAPE PATH ADJUSTMENT

1. Preparation for Adjustment

1) Clean the tape running side (tape guide, capstan shaft, pinch
roller, etc.).
2) Connect an oscilloscope to CN457 of VC-291 board.
Channel 1: CN457 Pin 3 (or CL455) (Note)
External trigger: CN457 Pin 7 (or R1601)
Note: Connect a 75Ω resistor (1-247-804-11) between Pins 3 of
CN457 and GND.
3) Playback the alignment tape for tracking. (XH8-1)
4) Connect the adjustment remote commander and turn the HOLD
switch to the ON position.
5) Select page: 0, address: 01, and set data: 01.
6) Select page: 9, address: BC, set data: 0D, and press the PAUSE
button.
7) Select page: 9, address: B1, set data: 62, and press the PAUSE
button.
8) Select page: 0, address: 01, and set data: 00.
9) Select page: 3, address: 0A, set data: 40, and press the PAUSE
button.
10) Check that the data of page: 3, address: 0B changes from "40"
to "00".
11) Rotate the HOLD OFF knob of the oscilloscope so that the
flattest waveform is displayed.
12) Check that the oscilloscope RF waveform is normal at the
entrance and exit.
If not normal, adjust according to the separate volume
"MICRO MV MECHANICAL ADJUSTMENT MANUAL 1
V Mechanism ".
CN457 of VC-291 board
Pin No. Signal Name
1 D 2.8V
3 (Note1) RF MON OUT
5 QTM2
7 (Note2) SWP
9 MD0
11 RH RST
13 SWP SO
15 MD2
17 XSYS RST
19 DRUM ON
21 REG GND
Note1: Or CL455
Note2: Or R1601

2. Processing after Completing Operations:

1) Connect the adjustment remote commander and set the HOLD
switch to the ON position.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: 9, address: BC, set data: 00, and press the PAUSE
button.
4) Select page: 9, address: B1, set data: 22, and press the PAUSE
button.
5) Select page: 0, address: 01, and set data: 00.
5-45
Pin No. Signal Name
2 CPC ENV OUT
4 QTM1
6 RAW PB
8 MD2
10 DIS HISIO
12 PLL ON DIA
14 SCK3
16 XCS MC FLASH
18 XCS ST IMAGE IC
20 FRRV
Table. 5-2-1.