Panasonic KX-F900 Service Manual page 69

KX-F900 ]
(SYMPTOM) ,
ITEMS TO CHECK J
!
!
SP-PHONE Tx _
I
I
I
[SP-PHONE Rx
I Portable Handset Tx
signal ROUTE
IN # I_ OUT
MIC-J270-C 138-1C109(13-27)-R145-1C 151 (75-63)-C203-R210-1C201 (2-1)-C202- R201 -T101 -
TEL LINE
TEL LINE-T101 -R202-C205-1C201 (6-7)-C210-C173-R172-R 173-C174-1C 151 (59-71)-C142-R 143-
IC109 (22-30)-C145-1C109 (4-7)-R146-C146-1C151 (40-38)-R245-C245-1C241 (4-5,8)-SPEAKER
-- _RTABLE HANOSET MIC_R283_C214_Q208_C233_R232_IC202(19_17)_C232_R231_IC202(16_13)_R230_
R228-R227-1C202(11-10)-C225-R229-VR201 -R458-R410-TX VCO-R459-C412-R460-1C401 (4-2)-
C409-C408-Q402-C405-Q401 -L422-FL401-L421-C492-L406-ANTTENA- RF UNIT L306-C392-L319-
FL302-Q304-C322-Q303-C328-1C301 (23-13)-FL303-Q305-C338-1C302(16-3)-FL304-1C302(5-9)-
R322-R335-CN301 (3)- CORI)LIFSS BASE UNIT C N502(3)-VR501-C540-R593-Q511-R505-C553-C536-R579-
R578-R577-1C502(2-5) R576-C534-R575-R562-R561 -R557-R558-C561 -L506-CN501 (5)- ANALOG OOARD
CN153(5)-R 160-Cl 59-1C151 (50-63)-C203-R210-1C201 (2-1)-C202-R201 -T101 (2-5)-C 109-R116-
Q101-D 101-R102-L105-R101-POS101-TEL JACK
Portable
Handset Rx
i
DTMF Speaker
monitor
I DTMF for TEL LINE
FAX Tx
a
I Beep for TEL LINE
I Dummy Ring
Back tone
ANALOG 8OARO TEL JACK-POS101-R101-L105-R102-D101-Q101-R116-C109-T101 (5-2)-R202-C205-
IC201 (6-7)-C210-C173-R172-R173-C174-1C151 (59-35)-C193-CN153(6) -coRDLEss BASE UN,T C N501 (6)-
L507-C571-R553-C572-C518-1C502(21-20)-C568-R569-1C502(19-17)-R570-C522-1C502(16-13)-
R571-R573-R574-1C502(11-10)-C537-R581-R582-VR502-CN502(10)RF UN,T C N301 (10)-R358-R310-
TX VCO-R359-C312-R360-1C301 (4-2)-C309-C308-Q302-C305-Q301-C303-FL301-C354-C392-
L306_ANTTENA_PORTABLE HANDSET L406-C492-C491-L419-FL402-L420-Q404-C422-Q403-C428-
IC401 (23-13)-FL403-Q405-C438-1C402(16-3)-FL404-1C402(5-9)-R432-R435-V R202-C235-R224-
R223-1C202(2-5)-R225-C217-1C203(3-4)-C259-R247-C238-R234-1C208(4-5, 8)-SPEAKER
{IC11 (44)-T- C73-rR90-1C 10 (6-7)-CN 1(10)}-CN271 (10)-C184-R184-1C 151(76-41)-C158-
L_ C74-J
R161-1C151 (40-38)- R245-C245-1 C241 (4-5,8)-S PEAKER
{IC11 (44)--[--C73TR90-1C 10 (6-7)-CN 1(10)}-CN271 (10)-C 184-R 182-1C151 (73-63)-C203-R210-
t_ C74.J
-IC201 (2-1)-C202-R201 -T101 -TEL LINE
{ICl (86)-CN1 (11)}-CN271 (11)-R185-C186-1C151 (77-63)-C203-R210-1C201 (2-1)-C202-R201-T101-
-TEL LINE
{IC1 (85,87)-[- R59-C56TCN2(1 )}-CN272(1 )-R186-C187-1C151 (78-63)-C203-R210-1C201 (2-1)-C202
/ R60-C57 .J
-R201-T101-TEL LINE
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I Ringing I '
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I Alarm/Beep/Key tone _-
!
I
I
I
CNG / DTMF/VOX I
detection
FAX Rx
I
{IC1 (85,87)- r- R59-C56-[-CN2 (1)}-C N272(1 )-R186-C187-1C 151(78-41)-C158-R161 -IC151 (40-38)-
L R60-C57 J
!
R245-C245-1C241 (4-5,8)-SPEAKER
{IC1 (86)-CN1 (11)}-CN271 (11)-R185-C186-1C151 (77-41)-C158-R161-1C151 (40-38)-R245-C245-
IC241 (4-5,8)-SPEAKER
TEL LINE-T101 -R202-C205-1C201 (6-7)-C210-C212-R215-C213-1C202(1-2)-C217-CN271 (9)-
{CN1 (9)-R97-1C 10(2-1 )-C82-R95-1C 11 (45)}
Note:
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