Read Panasonic KX-NT136RU Service Manual online
7 BLOCK DIAGRAM
To SP
To MIC
-1.2V
CSN,
RSTN,
A0,
CLK,
D0
RSTN,
A0,
CLK,
D0
IC6, C19,
D1, C20
+3.3V
JK201(HEADSET Jack)
HEADSET Board
IC8
IC9
To LAN
EtherJack
JK3
To PC
EtherJack
JK2
T1
T2
DC Jack
JK301
PoE
48V
48V
48V
PoE chip
IC302
C301
Backup
L301
3.8V
DC-CON
IC301
Power
IC14
Power
IC15
+ 1.8V
+ 3.3V
3.8V
DSP
PCM
I/F
CLK
FCLK
DIN
FCLK
DIN
DOUT
MII bus
+3.3V
SRAM
IC4
R/WN
CSN
A19
-0
D15
-0
MAIN-CPU
IC1
SDRAM
IC2
Flash
IC3
X1
25MHz
25MHz
SIO
LED
CO1-24
(2color)
LED
Message
D201-203
Message
D201-203
Power Supply Board
LED
D204
SP-Phone
Function
Key
12
Key
12
Function
Key
46
Key
46
HOOK
SW
SW
KEYIN6-0,
KEYOUT5-0, Etc.
KEYOUT5-0, Etc.
X3
10MHz
10MHz
CONNECTOR
CN6-CN302
SP
MIC
To SP
CN5
To MIC
CN4
HF
IC10
JK1(HS Jack)
IC8
IC9
IC10
IC11
MAIN Board
D6
Ethernet IC
IC12
D5
X2
32.768MHz
32.768MHz
LED
CONF
FWD
AUTOANS
AUTODIAL
INTERCOM
FWD
AUTOANS
AUTODIAL
INTERCOM
CONNECTOR
CN8-CN202
CONNECTOR
CN7-CN203
D31-0
D15-0
A18-0
A22-0
CSN
Reset
R/WN, OEN
RESET
IC5
DQM3-0
CLK
CKE
CLK
CKE
CONNECTOR
CN3-CN201
LED Board
KEY Board
To LIGHT
CN1
To LCD
CN2
CPU
(ARM)
IC13
LED driver
Q9-Q11
LED driver
Q5-Q8
Q12-14
MAC0
MAC1
CODEC
IC7
SUB-CPU
KX-NT136RU : BLOCK DIAGRAM
SPI
KX
-N
-N
T
136
RU
11
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