Panasonic KX-T7633 Service Manual page 49

JK4(HEADSET JACK)
MIC
SP
CN4-CN5
JK1(HS JACK)
SP
IC7
MIC
SP
CN7
IC2
MIC
CN6
HF
+3.3V
TO
LIGHT
CN2
Q1
LIGHT
+3.3V
Charge Pump
TO
IC8,C11,12
LCD
D1,13
-1.2V
CN1
SO,SCL,A0,RES,CS1
GND
TO
OPTION
+3.3V
EEPROM
128bit
IC9
GND
CONNECTOR
CN3
SCLK,TxD,RxD,TxEN,RxRDY,BUSY,OPDET
OSX,OSR,OSYNC,OCK2M,RESETOUT
IC5 ASIC
Q16
DSP CORE
PCM
I/F
GAIN
CONTROLLER
CODEC
IC4 ECHO
CHANCELLOR
DTMF.Gen.
TONE.Gen.
TONE Det.
CLK
8.196MHz
DATA
CS
X1
RESET
16.384MHz
IC1
RESET
IC3 CPU
H8/3627S
ROM : 60kB
RAM : 2kB
PDX0
PDX1
COMP
PDR
DDX0
DDX1
COMP
DDR
+3.3V
R9~R0
D7-0
C5~C0
A6-0
WEN
REN
OSX,OSR,OSYNC,OCK2M,RESETOUT
CSN
INTON
INTIN
LED's driver(Tr)
Q3~7, Q11~13
LED
CO1~24(2color)
Function LED 8
HOOK
SW
KEYIN8-1
KEYOUT8-1
Function Key 46
MAIN P. C. Board
DATA
COMUNICATION
T1
Q2
DATA
COMUNICATION
Q8,Q9
Q15
POWER
IC6
D6
GND
SCLK,TxD,RxD,TxEN,RxRDY,BUSY,OPDET
LED
Function LED 1
D133
CONNECTOR
CN8-CN9
Function Key
12
KEYIN6-1
KEYOUT8-7
KX-T7633 / KX-T7633-B : BLOCK DIAGRAM
TEL
JACK
JK2
DXDP
XDP
JACK
JK3
XDP
CN
CN13
TO
USB
OPTION
CN10
GND
CONNECTOR
CN11-CN12
LED
Message
D130-132