Samsung MAX-810 Service Manual page 29

6-2 Cassette Deck
Block
TAPE IC JIC1
(KA22291)
BIAS OSC
R/P Switching
Samsung Electronics
Main Function
Convert of P/B & R/P Signal
Oscillate RECORD BIAS (85kHz)
Convert of PLAY/RECORD
Check Point
Check for voltage at pin5
1 P/B Deck : H
2 P/B DECK : L
Check for voltage at JL3
Osc Frequency : 85kHz
When inoperative : LQ3 check
Check for voltage at pin no.16,8
Mode pin no. 16,8
Rec.
PLAY
Troubleshooting
12V
9V
6-5