Samsung MAX-445 - Cassette Deck

Samsung Electronics 6-5
6-2 Cassette Deck
Troubleshooting
Block Main Function Check Point
TAPE IC JIC1
(KA22291)
Convert of P/B & R/P Signal
Check for voltage at pin5
1 P/B Deck : H
2 R/P Deck : L
Check for voltage at LC2
Osc Frequency : 85kHz
When inoperative : LQ4, LQ3 check
Convert of PLAY/RECORD
R/P Switching
Oscillate RECORD BIAS (85KHZ)
Check for voltage at pin no.16,8
BIAS OSC
Mode
Rec.
PLAY
9V
0V
Pin no.16,8