Harman Kardon AVR 70/230, Service Manual

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Remote Controller Failure. A) Battery check.
B) RMC I.C & Resonator inferior.
1.
μ
-COM I.C B+( 3.3 )V check. I.C119 Pin No. ( 16,62 )(DMAIN)
2. REMOCON data check. RMC701(1) (FRONT)
FM Failure. 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. PACK102( 6 )(MAIN)
2. PLL control data check. (Data/CE/Clock) pack102(3, 4, 5)(MAIN)
E) TUNER B+ voltage inferior.
F)
μ
-COM I.C & Resonator inferior.
1.
μ
-COM I.C 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)
AM Failure. A) PLL&MPX IC check.
1. PLL&MPX I.C B+( 5 )Vcheck. PACK102( 6 )(MAIN)
2. PLL control data check (Data/CE/Clock) pack102(3, 4, 5)(MAIN)
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. I.C119 Pin No. ( 16,62 )(DMAIN)
2. Micom control data check. I.C Pin No. ( 18, 40, 42, 43, 44)(DMAIN)
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)
μ
-COM I.C & Resonator inferior.
1.
μ
-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)