11
ELECTRICAL ADJUSTMENT
(5) C RECORD CURRENT
v
CONNECTION METHOD
v
ADJUSTMENT PROCEDURE
1) Supply the Color Bar Signal to the VIDEO IN JACK, and set the VCR to the REC mode.
2) Connect the oscilloscope to TJ491 and trigger the scope with a composite sync signal at TJ302.
3) Adjust R491 until Y-FM record current is minimized.
4) Adjust R492 until color record current is 130
±
10mVp-p.
Adjustment Parts
Check Point
Measuring Equipment
Test Tape
Input Signal
R492
TJ491
Signal Gen. Oscilloscope
Blank Tape
Color Bar
REC-C
R492
R491
TJ491
TJ302
CH-1
Oscilloscope
CH-2
SIGNAL
GENERATOR
Burst
TJ491
130 10mVp-p
Summary of Contents for DV-K580NZ-T
Page 51: ...50 1 CONNECTION DIAGRAM CIRCUIT DIAGRAM...
Page 52: ...51 CIRCUIT DIAGRAM 2 POWER CIRCUIT DIAGRAM...
Page 53: ...52 CIRCUIT DIAGRAM 3 SYSCON CIRCUIT DIAGRAM...
Page 54: ...53 CIRCUIT DIAGRAM 4 VIDEO CIRCUIT DIAGRAM...
Page 55: ...54 CIRCUIT DIAGRAM 5 HEADAMP CIRCUIT DIAGRAM...
Page 56: ...55 CIRCUIT DIAGRAM 6 OSD CIRCUIT DIAGRAM...
Page 57: ...56 CIRCUIT DIAGRAM 7 Y C SEPARATION CIRCUIT DIAGRAM...
Page 58: ...57 CIRCUIT DIAGRAM 8 AUDIO CIRCUIT DIAGRAM...
Page 59: ...58 CIRCUIT DIAGRAM 9 LOGIC CIRCUIT DIAGRAM...
Page 60: ...59 CIRCUIT DIAGRAM 10 TERMINAL CIRCUIT DIAGRAM...
Page 61: ...60 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 PCB MAIN...
Page 62: ...61 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 2 PCB UNION...
Page 63: ...62 DISASSEMBLY 1 PANEL FRONT ASS Y...
Page 64: ...63 DISASSEMBLY 2 SET TOTAL ASS Y...
Page 65: ...64 DISASSEMBLY 3 PACKING ASS Y...