Read Panasonic KX-T7565RU Service Manual online
6 BLOCK DIAGRAM
DATA
COMMUNICATION
COMMUNICATION
IC4,Q1
TEL JACK
Power circuit
LED
D100
D110
LED
DRIVE
Q5
DRIVE
Q5
Q9
IC1
GATE
ARRAY
DPT
communic
communic
ation
LED
control
control
IC3
CODEC
CODEC
IC7 SP-PHONE CIRCUIT
HANDSET
CIRCUIT
CIRCUIT
IC2
CPU
RESET
H/S VOLUME
CONTRAST control
LCD
KEY
8MHz
16.384 MHz
HANDSET
SPEAKER
SP-PHONE
VOLUME
VOLUME
+5V
+5V
+5V
+5V
+5V
SW1
HOOK SW
+5V
MICROPHONE
Q10
RESET
IC5,Q3,Q4,D2
D1
Power control circuit
Q200,Q201,Q202
Q200,Q201,Q202
T1
RXA,RXB
TXA,TXB
X2
RX
TX
CK2M,SYNC
IC10
R0,R1,R4,R5
C0 C4
D0
D3
A0,A1,IOR,IOW
INTRX,INTTX
OP0,OP1
X1
CLK,DATA,E
+5V
DTMF generator
Q14
Q15
Q15
Q20
Q21
Q21
IC8
Tone control
Tone control
IC9
Side tone
control
control
IC9
Off-hook
monitor
control
Off-hook
monitor
control
SW2
Ringer SW
Q999
Ringer vol.
control
Q18
W.OHCA
control
control
CN1
JK1
KEY OUT 1
5
KEY IN 0
5
HOLD KEY
KX-T7565RU MAIN
Q12
Q16
10
KX-T7565RU
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