Sony HVR-M15J Service Manual page 122

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.
Adjustment
remote commander
(J-1, J-2)
XH2-1
HVR-M15J/M15U/M15N/M15E/M15P/M15C
L A
N C
Oscilloscope
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.
Connect to pin 13
CH1
Connect to pin 15
EXT
TRIG
Pin No. Signal name
2 REG_GND
13 RF_MON
15 SWP
Connect to pin 13
Connect to pin 2
75 Ω resistor
6-28
Normal entrance and exit sides
Faulty entrance side
Faulty exit side
CPC-8 jig (J-23)
CN4002
VD-036 board