Read Panasonic KX-T7630RU Service Manual online
5
KX-T7630RU-B
4 Technical Descriptions
4.1.
Block Diagram
GND
R9~R0
C5~C0
D7-0
A6-0
WEN
REN
CSN
INTON
INTIN
PDX0
PDX1
PDR
KEYIN8-1
KEYOUT8-1
Function Key 46
KEYIN6-1
KEYOUT8-7
+3.3V
GND
DATA
COMUNICATION
IC3 CPU
H8/3627S
RESET
IC1
J
K1(HS JACK)
MIC
CN6
SP
CN7
HOOK
RESET
MAIN P. C. Board
PBX I/F
CODEC
IC4
MIC
SP
LED
CO1~24(2color)
Function LED 8
LED
Function LED 1
D133
Function Key
12
X1
16.384MHz
+3.3V
TO
LCD
CN1
HOOK
SW
SO,SCL,A0,RES,CS1
HF
COMP
IC5 ASIC
EEPROM
128bit
IC9
SP
MIC
JK4(HEADSET JACK)
POWER
IC6
JK3
IC2
8.196MHz
D6
T1
DPTS I/F
COMP
DATA
COMUNICATION
Q8,Q9
Q2
Q15
IC7
LED
Message
D130-132
DDX0
DDX1
DDR
CLK
DATA
CS
-1.2V
IC8
,C11,12
D1,13
Charge Pump
Q16
DSP
CORE
PCM
I/F
ECHO
CHANCELLOR
GAIN
CONTROLLER
CONNECTOR
CN8-CN9
CONNECTOR
CN11-CN12
OPTION I/F
LED's driver
CPU I/F
TEL
JACK
JK2
XDP
CN
CN13
DXD
P
XDP
JACK
CN4-CN5
KX-T7630RU-B : BLOCK DIAGRAM
DTMF.Gen.
TONE.Gen.
TONE Det.
ROM : 60kB
RAM : 2kB
LED's driver(Tr)
Q
3
~
7,Q11~
1
3
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