84
TROUBLESHOOTING GUIDES (Continued)
YES
C.
Is Iuminance and color
signal output from
IC301 pin
1
,
4
?
YES
NO
Is REC color and FM luminance
signal input into ICA01 pin
&
,
*
?
Is +5V supplide at
ICA01 pin
2
?
Is REC(H) signal
supplied ICA01 pin
$
?
Check EP mode
YES
YES
YES
YES
YES
YES
YES
Is signal input into
IC301 pin
o
?
NO
Check input selector
circuit
NO
NO
NO
NO
NO
NO
Change ICA01
Check IC601 pin
8
Check C. sync
Check REC(H)
Check power circuit
Check RA01, RA02, CA11
Is C. sync: signal
supplied ICA01 pin
#
?
Is SW pulse input
into ICA01 pin
@
?
Is REC signal output from
pin
4
?
Check video head and
connector
Record video signal NG (2 head model)
Summary of Contents for DV- K504N-SJ
Page 35: ...34 AC001 K584NZ SJ M K584NZ SG M only...
Page 36: ...35...
Page 37: ...36...
Page 38: ...37...
Page 39: ...38...
Page 60: ...59 ELECTRICAL ADJUSTMENTS Fig 1 Circuit Board Location...
Page 92: ...91 INTERCONNECT WIRING DIAGRAM K584N K484N K384N K284N...
Page 93: ...92 POWER SUPPLY SCHEMATIC DIAGRAM FREE VOLTAGE K584NY SJ M K584NZ SJ M K584NZ SG M...
Page 95: ...94 2HD HEAD AMP SCHEMATIC DIAGRAM K384N K284N K304N...
Page 96: ...95 4HD HEAD AMP SCHEMATIC DIAGRAM K584N K484N K504N...
Page 97: ...96 VIDEO AUDIO SCHEMATIC DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 98: ...97 PIF INPUT SELECTOR SCHEMATIC DIAGRAM 9V USE K584NY SJ M K584NZ SJ M K584NZ SG M...
Page 100: ...99 TIMER SYSCON SCHEMATIC DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 101: ...100 POWER SUPPLY BLOCK DIAGRAM FREE VOLTAGE K584NY SJ M K584NZ SJ M K584NZ SG M...
Page 103: ...102 2HD HEAD AMP BLOCK DIAGRAM K384N K284N K304N...
Page 104: ...103 4HD HEAD AMP BLOCK DIAGRAM K584N K484N K504N...
Page 105: ...104 VIDEO AUDIO BLOCK DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 106: ...105 PIF INPUT SELECTOR BLOCK DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 109: ...108 MAIN PCB 2HEAD 4HEAD...