Circuit Adjustments; Preparations - Sony BKM-301HD Service Manual

The BKM-301HD is an optional board of the PHM-14M8U/20M8U and therefore cannot operate by itself. Consequently
when performing measurements and adjustments, mount it to the PHM series monitor. Use a monitor which satisfies the given
specifications.
The following describes circuit adjustments which must be performed after repairs and maintenance of the BKM-301HD.
B board (Y gain adjustment)
B board (P gain adjustment)
B
B board (P gain adjustment)
R

2-1. PREPARATIONS

1. Equipment Used
Name
Oscilloscope
HD SDI signal generator
Monitor
2. Tools
Name
1m BNC cable
Adjusting screwdriver
3. Connection
Switching regulator
(FAW05-3RO)
SECTION 2

CIRCUIT ADJUSTMENTS

Specifications
Frequency: Above DC to 150 MHx
Above 2 phenomena (ADD mode)
1080 specifications
HD color monitor
Parts No.
—
—
CN2
GC board
G board
CN610
CN4003
CN4002
CN4001
Monitor (A board)
Equipment
TEKTRONIX 2445A or equivalent
Shibasoku TG15B6 or equivalent
SONY PHM-20M8U
PHM-14M8U
Remarks
DC FAN
CN1
B board
CN3
BCN connector
Input/output terminal board
assembly INPUT C
2-1