HVR-M15J/M15U/M15N/M15E/M15P/M15C
6-28
XH2-1
LANC
CH1
EXT
TRIG
Oscilloscope
Connect to pin 13
Connect to pin 15
Pin No.
Signal name
REG_GND
RF_MON
SWP
2
13
15
Connect to pin 13
75
Ω
resistor
Connect to pin 2
VD-036 board
CPC-8 jig (J-23)
CN4002
Adjustment
remote commander
(J-1, J-2)
4-7.
PREPARATION FOR ADJUSTMENT AND TAPE PATH CHECK
Preparation before adjustment (connection and setting)
1.
Mount the mechanism deck in the main unit.
(Connect all the connectors.)
2.
Clean the tape running side.
(Refer to “6-1-2. Periodic check”.)
3.
Connect an oscilloscope to VD-036 board CN4002 via the CPC-
8 jig (J-6082-388-A)(J-23).
Channel 1: VD-036 board, CN4002 Pin
qd
(Note)
External trigger: VD-036 board, CN4002 Pin
qg
Note:
Connect a 75
Ω
resistor between pins
qd
of CN4002 and
2
(GND).
75
Ω
resistor (Parts code: 1-247-804-11)
4.
Connect the adjustment remote commander (J-1, J-2) to the
LANC jack.
5.
Turn the HOLD switch of the adjustment remote commander
to the ON position. (Set the slide switch to SERVICE)
6.
Select page: 3, address: 33, set data: 08 and press the PAUSE
(Write) button.
7.
Select page: 3, address: 26, set data: 31 and press the PAUSE
(Write) button.
Procedure after operations
1.
Connect the adjustment remote commander to the LANC jack.
2.
Turn the HOLD switch of the adjustment remote commander
to the ON position. (Set the slide switch to SERVICE)
3.
Select page: 3, address: 33, set data: 00 and press the PAUSE
(Write) button.
4.
Select page: 3, address: 26, set data: 00 and press the PAUSE
(Write) button.
Tape path check (checking the RF waveform)
Play back the tracking tape (J-10) and check the states at the en-
trance and exit of the RF waveform. If it is not flat at either side,
perform the adjustments from Adjustment Start-4 in the flowchart
on page 6-23.
Normal entrance and exit sides
Faulty entrance side
Faulty exit side
Summary of Contents for HVR M15U - Professional Video Cassete recorder/player
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