Panasonic AJ-YA120AG, Service Manual

Page: 135 / 647

ELE-5
4-3. RF Level Confirmation (SDSP)
BOARD RF/EQ
TP
See Table Below
ADJ.
Service Menu
INPUT
----
MODE
STILL
TAPE VFM3580KM or KL (25M Color Bar)
M. EQ
Oscilloscope
SPEC.
“A” Max = 500mVp-p ± 100mV
(TP201, TP202, TP203, TP204)
“A” Max = 750mVp-p ± 100mV (TP205)
<Service Menu Setting>
B00: RF ADJUST ---- B-3 SDSP ADJUST
1. Open the service menu and select the “SDSP PB
ADJUST”.
2. Connect the oscilloscope to Measuring Point
(MP) and Trigger Point (TG) as shown in the table
below.
3. Play back the 25M alignment tape (VFM3580KM
or KL) in the STILL mode.
4. Make sure that each envelope maximum level is
in the specification.
<Note>
Since the adjustment value of TP205 differs from
others.
B-3: SDSP_PB ADJUSTMENT
Test Point Trigger Point
TP201
(PB L13ch)
B01
B02
TP1
(PB L13 HSW)
TP202
(PB R13ch)
B03
B04
TP2
(PB R13 HSW)
TP203
(PB L24ch)
B05
B06
TP3
(PB L24 HSW)
TP204
(PB R24ch)
B07
B08
TP4
(PB R24 HSW)
TP205
(TR L21ch)
B09
B10
TP7
(TR L21 HSW)
4-4. RF Level Confirmation (DVSP)
BOARD RF/EQ
TP
See Table Below
ADJ.
Service Menu
INPUT
----
MODE
STILL
TAPE
VFM3010ESD (Color Bar)
M. EQ
Oscilloscope
SPEC.
A Max = 500mVp-p ± 100mV
<Service Menu Setting>
B00: RF ADJUST ---- B-4 SDSP ADJUST
1. Open the service menu and select the “SDSP PB
ADJUST”.
2. Connect the oscilloscope to Measuring Point
(MP) and Trigger Point (TG) as shown in the table
below.
3. Play back the DV alignment tape (VFM3010ESD)
in the STILL mode.
4. Make sure that each envelope maximum level is
in the specification.
B-4: DVSP_PB ADJUSTMENT
Test Point Trigger Point
TP201
(PB L13ch)
B01
B02
TP1
(PB L13 HSW)
TP202
(PB R13ch)
B03
B04
TP2
(PB R13 HSW)
TP203
(PB L24ch)
B05
B06
TP3
(PB L24 HSW)
TP204
(PB R24ch)
B07
B08
TP4
(PB R24 HSW)
TP205
(RP L12ch)
B09
B10
TP5
(RP L12 HSW)