Rf/Eq Board; Rf Level Adj. (Hdlp); Rf Level Adj. (Hdsp) - Panasonic DVCPRO HD EX AJ-HD1200AP Service Manual

4. RF/EQ Board

< Note >
After replacing the
paragraphs 4-1, 4-2, 4-3 and 4-4. "RF Level
Adjustments" before performing LISTA adjustment.

4-1. RF Level Adj. (HDLP)

BOARD RF/EQ
TP
See Table Below
ADJ.
Service Menu
INPUT
----
MODE
STILL
TAPE
VFM3780KML (Color Bar)
M. EQ
Oscilloscope
SPEC.
A Max = 500mVp-p ± 50mV
<Service Menu Setting>
B00: RF ADJUST ---- B-1: HDLP PB ADJUST
1. Open the service menu and select the "HDLP PB
ADJUST".
2. Connect the oscilloscope to Measuring Point
(MP) and Trigger Point (TG) as shown in the table
below.
3. Play back the
(VFM3780KML) in the STILL mode.
4. Adjust each EVR so that the envelope maximum
level is in the specification.
5. To save the EVR data, select B22 DEFAULT and
press the "Set Button", then the "SAVE" indication
appears, press the "SET Button" again.
B1: HDLP_PB ADJUSTMENT
Test Point Adj. EVR
TP201 B01 PB MAG L1
(PB L13ch) B02 PB MAG L3
TP202 B03 PB MAG R1
(PB R13ch) B04 PB MAG R3
TP203 B05 PB MAG L2
(PB L24ch) B06 PB MAG L4
TP204 B07 PB MAG R2
(PB R24ch) B08 PB MAG R4
TP205 B09 RP MAG L1
(RP L12ch) B10 RP MAG L2
MP
TG
Refer the measuring point (MP) and torigger point (TG)
in the above for each head.
cylinder unit, perform
HDLP alignment
Trigger Point
TP1
(PB L13 HSW)
TP2
(PB R13 HSW)
TP3
(PB L24 HSW)
TP4
(PB R24 HSW)
TP5
(RP L12 HSW)
"A" (MAX)

4-2. RF Level Adj. (HDSP)

the
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 ± 50mV
"A" Max = 750mVp-p ± 50mV (TP205)
<Service Menu Setting>
B00: RF ADJUST ---- B-2 HDSP ADJUST
1. Open the service menu and select the "HDSP PB
ADJUST".
2. Connect the oscilloscope to Measuring Point
(MP) and Trigger Point (TG) as shown in the table
below.
3. Play
(VFM3580KMor KL) in the STILL mode.
4. Adjust each EVR so that the envelope maximum
level is in the specification.
5. To save the EVR data, select B22 DEFAULT and
tape
press the "Set Button", then the "SAVE" indication
appears, press the "SET Button" again.
<Note>
Since the adjustment value of TP205 differs from
others.
B2: HDSP_PB ADJUSTMENT
Test Point
TP201
(PB L13ch)
TP202
(PB R13ch)
TP203
(PB L24ch)
TP204
(PB R24ch)
TP205
(TR L21ch)
ELE-4
(TP201, TP202, TP203, TP204)
back the 25M
Adj. EVR
B01 PB MAG L1
B02 PB MAG L3
B03 PB MAG R1
B04 PB MAG R3
B05 PB MAG L2
B06 PB MAG L4
B07 PB MAG R2
B08 PB MAG R4
B09 TR MAG L2
B10 TR MAG L1
alignment tape
Trigger Point
TP1
(PB L13 HSW)
TP2
(PB R13 HSW)
TP3
(PB L24 HSW)
TP4
(PB R24 HSW)
TP7
(TR L21 HSW)