7
ELECTRICAL ADJUSTMENT
1. PLAYBACK PHASE
ADJUSTMENT PROCEDURE
1. Play back the test tape. (DP-2)
2. Set the oscilloscope to the CHOP mode. Connect CH1 to the SW PULSE (PIN 4 of P504)
3. Connect CH2 to the ENVE signal (PIN5 of P504)
4. Insert PATH JIG and press "REC" button on the remote control.
5. Check the position of the V-sync from the rising edge of the SW pulse.
(Standard : 6.5H
±
0.5H)
ITEM
MODE
ADJUSTMENT
POINT
CHECK POINT
TEST
EQUIPMENT
TEST
TAPE
INPUT
SIGNAL
6.5H
ADJUSTMENT
PLAY
[REC] BUTTON
PIN 4 & PIN 5
OF P504
OSCILLOSCOPE
DP-2
NO SIGNAL
ADJUSTMENT PARTS
MEASURING POINT
PCB : MAIN - TOP VIEW
TMI
BLOC
PRE-
AMP
P50
TO PATH JIG
OSCILLOSCOPE
CH1 CH2
PATH JIG
Summary of Contents for DV-K813S Series
Page 15: ...14 CIRCUIT DIAGRAM 1 POWER CIRCUIT DIAGRAM 230V ONLY...
Page 16: ...15 CIRCUIT DIAGRAM 2 SYSCON CIRCUIT DIAGRAM...
Page 17: ...16 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM SECAM...
Page 18: ...17 4 PIF CIRCUIT DIAGRAM CIRCUIT DIAGRAM...
Page 19: ...18 CIRCUIT DIAGRAM 5 HIFI SW CIRCUIT DIAGRAM...
Page 20: ...19 CIRCUIT DIAGRAM 6 SW CIRCUIT DIAGRAM...
Page 25: ...24 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 PCB MAIN...
Page 26: ...25 DISASSEMBLY 1 PACKING ASS Y...
Page 27: ...26 DISASSEMBLY 2 FRONT PANEL ASSEMBLY DV K813S SERIES DV K823S SERIES...
Page 28: ...27 DISASSEMBLY DV K873S SERIES DV K893S SERIES...
Page 29: ...28 DISASSEMBLY DV K843S SERIES DV K863S SERIES...
Page 30: ...29 DISASSEMBLY DV K9A3S SERIES...