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IC2 Troubleshooting
Check the power supplying to pin 17
Check the oscillation of X1
Check the clock of CE, DI, DO, CLK
Is the normal ?
END
Refer to “Power Circuit
Troubleshooting”
Replace the X1
Check the line or refer to “IC2
Troubleshooting”
CE: Chip Enable
DI: Data Input(from u-com)
DO: Data Output(to u-com)
CLK: Tuner mode clock
Replace the IC2
YES
YES
YES
YES
NO
NO
NO
NO
AM•COIL Troubleshooting
Check the “High” of L2 Pin 2
Refer to “IC2 Troubleshooting”
Replace the L2
Check the oscillation of L2 Pin 13
Refer to “IC1 Troubleshooting”
YES
YES
NO
NO
Play
Check the VCC supplying to IC100 pin 4
Refer to “Power Circuit Troubleshooting”
Check the Deck Mecha
Replace the Deck
Mecha.
Replace the IC100
Check the signal output of IC100 pin 3, 6
Check the “LOW” of Q100, 150, “B”
YES
YES
YES
NO
NO
NO
Содержание FFH-164
Страница 6: ... 1 6 MEMO ...
Страница 20: ... 2 14 MEMO ...
Страница 21: ...2 15 2 16 BLOCK DIAGRAM ...
Страница 23: ...2 19 2 20 TUNER DECK SCHEMATIC DIAGRAM ...
Страница 24: ... FRONT SCHEMATIC DIAGRAM 2 21 2 22 ...
Страница 25: ... CDP SCHEMATIC DIAGRAM 2 23 2 24 ...
Страница 27: ...PRINTED CIRCUIT DIAGRAMS MAIN TUNER P C BOARD SOLDER SIDE 2 27 2 28 ...
Страница 28: ... MAIN TUNER P C BOARD COMPONENT SIDE 2 29 2 30 ...
Страница 29: ... FRONT POWER P C BOARD SOLDER SIDE 2 31 2 32 ...
Страница 30: ... FRONT POWER P C BOARD COMPONENT SIDE 2 33 2 34 ...
Страница 31: ... 2 35 CD MAIN P C BOARD SOLDER SIDE ...
Страница 32: ... 2 36 CD MAIN P C BOARD COMPONENT SIDE ...
Страница 33: ... 2 37 INTERNAL BLOCK DIAGRAM OF ICs BU1923 BU1923F RDS RBDS decoder ...
Страница 34: ... 2 38 BA3308 Dual preamplifier with ALC KA78R33 Low Dropout Voltage Regulator ...
Страница 38: ... 2 42 KIA6225P S BIPOLAR LINEAR INTEGRATED CIRCUIT ...
Страница 42: ... 4 2 MEMO ...