52
KEX-M8406ZT,M8406ZT-91,M9406ZT,M9406ZT-91
Is B-UP ON?
BSENS terminal
Pin 75(IC601)
NO
Check +B
(Check a power supply.)
YES
Is ACC ON?
ASENS terminal
NO
Turn on ACC
(Check a power supply.)
Pin 73(IC601)
YES
Does illumination
come on?
NO
Check illumination circuit?
ILSENS terminal Pin 23(IC601)
DSSILL terminal Pin 51(IC601)
YES
Is PWR-ON enabled?
NO
Check PWRSW terminal
POWER Pin 55(IC601)
YES
Is voice output?
NO
Is amplifier connected
correctly?
YES
Is any sound of FM, AM and
TAPE (internal sources) output?
NO
Connect amp correctly
YES
Is VOL adjustment
enabled?
NO
Check encoder input.
ENC1+ Pin 53(IC601)
ENC1- Pin 54(IC601)
YES
Normal operation
NO
Check the following terminals
SYSPW Pin 52(IC601)
ANSW Pin 100(IC601)
SYSMUTE Pin 50(IC601)
MUTE Pin 49(IC601)
YES
Are FM and AM
sounds output?
NO
Check the following terminals
FMPW Pin 43(IC601)
AMPW Pin 44(IC601)
FMMUTE Pin 38(IC601)
AMMUTE Pin 37(IC601)
YES
Is TAPE sound output?
NO
Recheck hardware
YES
IsTAPE mechanical unit
operated normally?
NO
Check the following terminals
STBY Pin 85(IC601)
CM Pin 84(IC601)
SC1 Pin 83(IC601)
SC2 Pin 82(IC601)
YES
Check the following terminals
SYSPW Pin 52(IC601)
TAPEMUTE Pin 88(IC601)
7.1.4 TROUBLESHOOTING
Содержание KEX-M8406ZT-91/UC
Страница 6: ...6 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 2 2 CASSETTE MECHANISM MODULE ...
Страница 23: ...23 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 5 6 7 8 A B C D 5 6 7 8 FRONT C F CN251 CN901 F CN902 SIDE A A ...
Страница 24: ...24 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 A MAIN UNIT A ...
Страница 25: ...25 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...
Страница 27: ...27 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 1 2 3 4 A B C D 1 2 3 4 B SIDE B B FM AM TUNER UNIT ...
Страница 32: ...32 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 4 5 LCD UNIT G G LCD UNIT F CN903 SIDE A ...
Страница 33: ...33 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 1 2 3 4 A B C D 1 2 3 4 G SIDE B G LCD UNIT ...