Harman Kardon AVR 70/230 Service Manual page 32

Remote Controller Failure.
FM Failure.
AM Failure.
Stereo Effect Failure.
Stereo does not light up.
Tuner Sound Dead.
1. "L / R" Channel dead.
2. "LEFT" Channel dead.
3. "RIGHT" Channel dead.
A) Battery check.
B) RMC I.C & Resonator inferior.
1. μ-COM I.C B+( 3.3 )V check.
2. REMOCON data check.
A) FM MUTE adjustment inferior.
B) FRONT-END inferior.
C) FM DET COIL inferior.
D) PLL&MPX IC check.
1. PLL&MPX I.C B+( 5 )Vcheck.
2. PLL control data check. (Data/CE/Clock)
E) TUNER B+ voltage inferior.
F) μ-COM I.C & Resonator inferior.
1. μ-COM I.C B+( 3.3 )V check.
2. Micom control data check.
A) PLL&MPX IC check.
1. PLL&MPX I.C B+( 5 )Vcheck.
2. PLL control data check (Data/CE/Clock)
B) TUNER B+ voltage inferior.
C) AM OSC COIL inferior.
D) μ-COM I.C & Resonator inferior.
1. μ-COM I.C B+( 3.3)V check.
2. Micom control data check.
A) FM DET COIL Inferior.
B) PLL&MPX IC check.
1. PLL&MPX I.C B+( 5 )V,B+( 3.3 )V check.
2. MPX control data check.
C) μ-COM I.C & Resonator inferior.
1. μ-COM IC B+( 3.3)V check
2. Micom control data check.
A) Connector's disconnection or disjunction.
Change or Close insertion of the connector.
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)
I.C119 Pin No. ( 16,62 )(DMAIN)
RMC701(1) (FRONT)
PACK102( 6 )(MAIN)
pack102(3, 4, 5)(MAIN)
I.C119 Pin No. ( 16,62 )(DMAIN)
I.C Pin No. ( 18, 40, 42, 43, 44)(DMAIN)
PACK102( 6 )(MAIN)
pack102(3, 4, 5)(MAIN)
I.C119 Pin No. ( 16,62 )(DMAIN)
I.C Pin No. ( 18, 40, 42, 43, 44)(DMAIN)
I.C119 Pin No. ( 16,62 )(DMAIN)
I.C Pin No. ( 18, 40, 42, 43, 44)(DMAIN)
PACK102( 6 )(MAIN)