Mechanism Section Adjustment; Operating Without Cassette; Tape Path Adjustment; Preparations For Adjustment - Sony CCD-TR317E Service Manual

5-2. MECHANISM SECTION
ADJUSTMENT
Mechanism Section adjustments, checks, and replacement of
mechanism parts, refer to the separate volume "8mm Video
Mechanism Adjustment Manual
2-1.

OPERATING WITHOUT CASSETTE

1) Refer to "Section 2. DISASSEMBLY" and supply the power
with the cabinet assembly removed. (So that the mechanical
deck can be operated.)
2) Connect the adjustment remote commander to the LANC jack.
3) Turn on the HOLD switch of the adjustment remote
commander.
4) Close the cassette compartment without loading a cassette and
complete loading.
5) Select page: 0, address: 01, and set data: 01.
6) Select page: F, address: 22, set data: 81, and press the PAUSE
button of the adjustment remote commander.
7) Select page: D, address: 10, set data: 10, and press the PAUSE
button of the adjustment remote commander.
8) Disconnect the power supply of the unit.
By carrying out the above procedure, the unit can be operated
without loading a cassette.
Be sure to carry out "Processing after Operations" after
checking the operations.
Set the data of page: D, address: 10 to the following if the
sensor ineffective mode, forced VTR power supply On mode
or forced camera power supply ON mode are to be used
together.
Forced VTR power ON mode ........................................ 12
Forced camera power ON mode .................................... 11
[Procedure after checking operations]
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, address: 22, set data: 80, and press the PAUSE
button of the adjustment remote commander.
3) Select page: D, address: 10, set data: 00, and press the PAUSE
button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
5) Disconnect the power supply of the unit.
B Mechanism ".
2-2.

TAPE PATH ADJUSTMENT

1. Preparations for Adjustment

1) Clean the tape path face (tape guide, capstan shaft, pinch roller).
2) Connect the adjustment remote commander to the LANC jack.
3) Turn on the HOLD switch of the adjustment remote
commander.
4) Select page: 0, address: 01, and set data: 01.
5) Select page: F, address: 22, set data: 88, and press the PAUSE
button of the adjustment remote commander.
(Be sure to perform "Processing after operation" after
completing adjustments.)
6) Connect the oscilloscope to VC-234 board CN982 via CPC-7
jig (J-6082-382-A).
Channel 1: VC-234 board, CN982 Pin 6
External trigger: VC-234 board, CN982 Pin qa
7) Playback an alignment tape for tracking. (WR5-1CP)
8) Check that the oscilloscope RF waveform is flat at the entrance
and exit.
If not flat, adjust according to the separate volume "8mm Video
Mechanical Adjustment Manual
9) Perform "Processing after operations", after completing
adjustment.
CN982 of VC-234 board
Pin No. Signal Name
1 LANC SIG
2 XCPC IN
3 IR VIDEO
4 AFC F0
5 BPF MONI
6 PB RF
7 RF AGC IN
8 REG GND
[Procedure after operations]
1) Connect the adjustment remote commander, and turn on the
HOLD switch.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: F, address: 22, set data: 80, and press the PAUSE
button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
5) Remove the power supply from the unit.
5-34
B Mechanism ".
Pin No. Signal Name
9 RF AGC OUT
10 REC RF
11 RF SWP
12 CAP FG
13 EVF BL
14 EVF BL 4.75V
15 VCO
16 EVF VG
Table 5-2-1.
Must be flat
Fig. 5-2-1.