Tape Path Adjustment; Preparations For Adjustment - Sony HANDYCAM DCR-TRV130E Service Manual

2-4.

TAPE PATH ADJUSTMENT

2-4-1.

Preparations for Adjustment

1) Clean the tape path face (tape guide, drum, capstan shaft, pinch
roller).
2) Connect the adjustment remote commander.
3) Turn on the HOLD switch of the adjustment remote
commander.
4) Select page: 3, address: 33, and set data: 08.
5) Connect the oscilloscope to CPC jig for BX/BK.
Channel 1: PB RF (MON)
Channel 2: SWP
Note: Connect a 75 resistor between the test point PB RF (MON)
and GND.
75 resistor (Parts code: 1-247-804-11)
6) Playback the SW/OL standard tape. (WR5-2D)
7) Check that the oscilloscope RF waveform is flat at the entrance
and exit.
If not flat, perform the following section 2-4-2. until it is flat.
8) Perform "Processing after operations", after completing
adjustment.
Test point of CPC jig for BX/BK
Pin No. Signal Name
3 BL
7 EVF VG
9 PB RF (MON)
13 BPF MONI
17 TMS
20 TDI
16 SWP
8 CAP FG
Note: Pin No. are those of CN1011 of VC-256 board.
Table 5-2-1.
[Processing after operations]
1) Connect the adjustment remote commander, and turn on the
HOLD switch.
2) Select page: 3, address: 33, and set data: 00.
3) Remove the power supply from the unit.
Pin No. Signal Name
1 EVF VCO
5 BL 4.75
10 GND
15 REC RF (RF IN)
19 TDO
18 TCK
14 IR VIDEO
Normal
CH1
CH2
Entrance side faulty
CH1
CH2
Exit side faulty
CH1
CH2
5-31
Fig. 5-2-2.