Harman Kardon AVR700 - Page 20

Symptom Test Point
Stereo Effect Failure. A) FM DET COIL Inferior.
Stereo does not light up. B) PLL&MPX IC check.
1. PLL&MPX I.C B+( 5 )V,B+( 3.3 )V check.
2. MPX control data check.
C) ൚-COM I.C & Resonator inferior.
1. ൚-COM IC B+( 3.3)V check
I.C119 Pin No. ( 16,62 )(DMAIN)
2. Micom control data check. I.C Pin No. ( 18, 40, 42, 43, 44)(DMAIN)
Tuner Sound Dead. A) Connector's disconnection or disjunction.
1. "L / R" Channel dead. Change or Close insertion of the connector.
2. "LEFT" Channel dead.
3. "RIGHT" Channel dead. B) FM DET COIL inferior.
C) AM IFT COIL inferior.
D) PLL&MPX IC check.
1. Signal IN/OUT terminal.
2. I.C driving voltage check. ( +5V) PACK102( 6 )(MAIN)
Check
AVR700 harman/kardon
20