Panasonic AJ-YA120AG, Service Manual

Page: 150 / 647

ELE-20
7. SGEN_SDI & UDC
Boards (AJ-YA120AG)
Preparation
1. In order to perform the electrical adjustment for the
optional SDI In/OUT Board (AJ-YA120AG), it
should be installed in the Digital HD Video Cassette
Player AJ-HD1200A.
2. Refer the Operation Instructions for more details
of the installation.
7-1. NTSC 4fsc Adj.
BOARD SGEN SDI / UDC
TP
TP300
ADJ.
VR305 [NTSC FREQ]
TAPE
---
INPUT
---
MODE
EE
M. EQ
Frequency Counter
SPEC.
14.318180MHz ± 500Hz
<VTR Menu Setting>
SYSTEM FREQUENCY: 59/60
OUTREF: SDREF
HD FREQUENCY: 59/23
SYS FORMAT 1080i
1. Do not supply any signal to the SDREF input.
2. Connect the frequency counter to TP300 and
adjust VR305 so that the frequency is in the
specification.
7-2. HD 74MHz / 59.94HzAdj.
BOARD SGEN SDI / UDC
TP
TP401
ADJ.
VR401 [HD FREQ59]
TAPE
---
INPUT
EE
MODE
---
M. EQ
Frequency Counter
SPEC.
74.175824MHz ± 500Hz
<VTR Menu Setting>
SYSTEM FREQUENCY: 59/60
OUTREF: HDREF
HD FREQUENCY: 59/23
SYS FORMAT 1080i
1. Connect the frequency counter to TP401 and
adjust VR401 so that the frequency is in the
specification.
7-3. PAL 4fsc Adj.
BOARD SGEN SDI / UDC
TP
TP300
ADJ.
VR304 [PAL FREQ]
TAPE
---
INPUT
---
MODE
EE
M. EQ
Frequency Counter
SPEC.
17.734475MHz ± 500Hz
<VTR Menu Setting>
SYSTEM FREQUENCY: 50
OUTREF: SDREF
1. Connect the frequency counter to TP300 and
adjust VR304 so that the frequency is in the
specification.
7-4. HD 74.25MHz / 50Hz, 60.00Hz
Adj.
BOARD SGEN SDI / UDC
TP
TP401
ADJ.
VR400 [HD FREQ60]
TAPE
---
INPUT
---
MODE
EE
M. EQ
Frequency Counter
SPEC.
74.250000MHz ± 500Hz
<VTR Menu Setting>
SYSTEM FREQUENCY: 50
OUTREF: HDREF
1. Connect the frequency counter to TP400 and
adjust VR400 so that the frequency is in the
specification.