Read Panasonic KX-T7436C / KX-T7436C-B Service Manual online
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KX-T7436C/KX-T7436C-B
BLOCK DIAGRAM
SPEAKER
MIC
HANDSET
JK2
IC3
Amp
OHCA
SP-Phone
IC
IC4
OHCA
CODEC
IC5
GATE
ARRAY
IC1
TONE
DETECT
IC8
IC6
CPU
LCD
CONT
CN2
KEY
(LCD p.c.board)
PSUP1179ZA
PSUP1179ZA
LCD
PANEL
PANEL
•
T7536
(24x6)
LCD
CONTROLER
CONTROLER
LCD
DRIVER
DRIVER
KEY
x3
PI
NI
C0~C5
R0~R5
4MHz
CK2K
SW301
JOG SW
JOG SW
3AP
2AP
LED
DRIVING
Q3~Q12
Q13~Q18
LED
D100~D117, D130
+5V
RESET
HOOK SW
x2
12.288
MHz
MHz
x1
+5V
PSUP1177ZA
(Main p.c.board)
(Main p.c.board)
DATA
COMMUNI-
CATION
IC11,Q1,Q2
COMMUNI-
CATION
IC11,Q1,Q2
DC-DC
CONVERTER
CONVERTER
IC9
T1
POWER REGULATOR
D1
+ ~
- ~
IC10
IC7
+5V
-5V
16.384
MHz
MHz
RX
1AP
TX
RX
TEL JACK
JK1
PBX
TX
INT,
RD,WT,
A0,A1,
D0~D3
RD,WT,
A0,A1,
D0~D3
INT,
RD,WT,ALE,
D5~D7
RD,WT,ALE,
D5~D7
RR,RD,RB
RR,RD,RB
IC2(TEL Communication LSI)
CODEC (D
CODEC (D
→
A
/
A
→
D)
SP-Phone CIRCUIT
HANDSET CIRCUIT
TONE GENELATOR
HANDSET CIRCUIT
TONE GENELATOR
DPITS
communi
-cation
LED
Control
JOG SW
Control
communi
-cation
LED
Control
JOG SW
Control
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