Panasonic KX-NT366RU (serv.man2) Service Manual ▷ View online
37
KX-NT366RU/KX-NT366RU-B
10 Schematic Diagram
10.1. Block Diagram
Analog I/F
HeadSet IF
Address Bus
JK5
Data Bus
Handset
RJ11
IC24
IC27
IC26
SW
Transistor
MIC
Speaker
CN5
CN4
JK4
KEY/LED/LCD
Bluetooth unit
Self-labeling LCD
<LCD_Boad>
CN603
LCD
CN
604
CN
602
Back
light
CN
601
PCMSYNC1,PCMOUT,
CN
9
IC1
IC3 IC2
SDRAM
8Mbyte
FLASH
4Mbyte
GPIO
IC20
MUTE_SP1
IC29
IC25
IC26
SW
SW
IC27
IC26
SW
SW
SW
SW
SW
HSIN
VoIP/DSP
Analog
Q1
IC21
IC28
IF
IC28
IC20
IC30
IC23
CN10
MUTE_SP2
CPU(Slave)
IC5
PCMIN,PCMCLK
PIO[3:0],RESET,
UART_TX/RX,UART_RTS/CTS
BK_LIT
CPU(Slave)
LED / Key
IC4
SIO
PCM_I/F
HSOUT
MICIN
SPOUT
MUTE_SP0
GPIO
IC12
Reset
IC
INT
RESETn
RxRDY,OP_DET,SCLK,
RxD,TxD, RESET_OUT
DC/DC
+4V
+3.3V
+1.5V
REG(1.5V)
Super
CAP
REG(3.3V)
DC ALARM
CN2
(For Option)
IC10,31
IC11
C501
C502
IC8
IC13
Power I/F
PoE chip
IC9
nRST_PHY
nRST_PHY
JK2
JK1
X1
Ethernet I/F
25.00
MHz
PULSE
Trans
PULSE
Trans
T2
RJ45
RJ45
To LAN
10/100Base-t
To PC
10/100Base-t
T1
X2
+9V
DC IN
TX_EN,TX_ER,
TXD[3:0],
TX_EN,TX_ER,
TXD[3:0],
CRS
TX_CLK
RX_DV
RX_ER
RXD[3:0],
RX_CLK
TX_CLK
RX_CLK
COL
CRS
RX_DV
RX_ER
RXD[3:0],
COL
Ethernet
PHY
(KSZ8041)
IC6
Ethernet
PHY
(KSZ8041)
IC7
MAC1
MII2
MAC2
MII1
+48V
8.192
MHz
TXD,RESET,
SCLK_SELF
Self-labeling
TXD,RESET,
RXD_SUB,SCLK_SUB
38
KX-NT366RU/KX-NT366RU-B
10.2. Main No.1
D
C
B
A
45
6
23
1
7
KX-NT366
RU
/KX-NT366
RU
-B MAIN No.1 (1/4)
1/4
(a)
(b)
(c)
(d)
(1)
(2)
M2_RXD[1]
M2_RXD[0]
M2_RXD[2]
M2_RXD[3]
M2_TXD[3]
M2_TXD[0]
M2_TXD[1]
M2_TXD[2]
M1_MDIO
R62
1k
PHY3.3V
DG
M2_MDC
DG
R55 1k
M2_RXER
M2_RXDV
M2_RXCLK
M2_TXEN
DG
M2_COL
M2_RXD[3-0]
M2_TXCLK
M2_CRS
M2_MDIO
M2_TXD[3-0]
PHY_nRST_2
DG
DG
DG
R51 1M
DG
C59
22p
R52
22
C60 22p
X2
25MHz
R75
49.9(1%)
R76
49.9(1%)
R77
49.9(1%)
R78
49.9(1%)
C90 K0.1
C89 K0.1
C58
K0.01
IC15
1
7
IC15
62
35
IC15
8
4
R69
6.49k(1%)
R54
0
R53
0
DG
C65
K0.01
PHY_nIRQ_2
C69
Z10
C73 K0.01
C67
Z10
DG
C78 Z22
DG
C63
K0.01
PHY3.3V
PHY3.3V
PHY3.3V
PHY3.3V
IC7
1
GND
2
VDDPLL_18
3
VDDA_3.3
4
RX-
5
RX+
6
TX-
7
TX+
8
XO
9 XI
10 REXT
11 MDIO
12 MDC
13 RXD3
14 RXD2
15 RXD1
16 RXD0
17
VDDIO_3.3
18
RXDV
19
RXC
20
RXER
21
INT#
22
TXC
23
TXEN
24
TXD0
25
TXD1
26
TXD2
27
TXD3
28
COL
29
CRS
30
LED0
31
LED1
32
RST#
PHY3.3V
PHY3.3VA
PHY3.3VA
R56
180
R57
180
R58
180
R63
180
R65
180
R67
180
RA24
180
C79
K0.01
L3
C57
33p
C56
22p
R50
470
(16)
(17),(18)
(14),(15)
(16)
(13)
39
KX-NT366RU/KX-NT366RU-B
D
F
E
H
G
45
6
23
1
7
KX-NT366
RU
/KX-NT366
RU
-B MAIN No.1 (2/4)
2/4
(e)
(f)
(g)
(h)
(i)
(j)
(1)
(2)
M1_RXD[3]
M1_RXD[2]
M1_RXD[1]
M1_RXD[0]
M1_TXD[0]
M1_TXD[1]
M1_TXD[2]
M1_TXD[3]
DG
M1_COL
M1_TXD[3-0]
M1_TXEN
M1_RXCLK
M1_CRS
M1_RXDV
M1_TXCLK
M1_RXER
M1_RXD[3-0]
M1_MDC
R79 49.9(1%)
C51
100/6.3V
C93
0.022
DG
R84
100k
L18
100uH
DG
IC10
1
CE
2
GND
3
NC
4
VDD
5
VOUT
DG
DG
DG
DG
PHY3.3V
PHY_nIRQ_1
D3.3V
D7
IC8
1
NC1
2
SW
3
BST
4
ISEN
5
SGND
6
RTN
7
NC7
8
NC8
9
FB
10
SS
11
RON/SD
12
VCC
13
VIN
14
NC14
PHY_nRST_1
DG
D4
100V/3A
DC_ALARM
DG
DG
C88
0.022/25V
DG
DG
D3.3V
R80 49.9(1%)
R81 49.9(1%)
R82 49.9(1%)
DG
C53
100/6.3V
C66
K0.01
C91 K0.1
C92
K0.1
C77
Z0.1
C62
Z0.1
C94
Z0.1
C84
Z0.1
C85
K0.01
D5
4.7V
DG
DG
R70
6.49k(1%)
DG
DG
C70
Z10
C72
K0.01
C76
K0.01
C68
Z10
C80
Z22
PHY3.3V
D4.0V
C61
K0.01
IC13
1
VOUT
2
VIN
3
NC
4
VSS
D3.3V
nDETPDN
R104
33k
C52
Z10
IC6
1
GND
2
VDDPLL_18
3
VDDA_3.3
4
RX-
5
RX+
6
TX-
7
TX+
8
XO
9 XI
10 REXT
11 MDIO
12 MDC
13 RXD3
14 RXD2
15 RXD1
16 RXD0
17
VDDIO_3.3
18
RXDV
19
RXC
20
RXER
21
INT#
22
TXC
23
TXEN
24
TXD0
25
TXD1
26
TXD2
27
TXD3
28
COL
29
CRS
30
LED0
31
LED1
32
RST#
PHY3.3VA
C83
NC
C86
K0.01
DG
DG
R61
180
R60
180
R68
180
R64
1
80
R59
1
80
R66
180
RA25
180
C74
K0.01
L19
A3.3V
AG
C50
220/6.3V
AG
C113 Z0.1
IC31
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
AG_2
C114
Z0.1
A3.3V
L21
NC
DG
R83 2.7k
R72
4.7k
R74
1.5k
R73
27k
R71
0
(10)
(5)
(6)
(11),(12)
(6)
(8),(9)
(10)
(7)
40
KX-NT366RU/KX-NT366RU-B
D
C
B
A
8
11
10
9
KX-NT366
RU
/KX-NT366
RU
-B MAIN No.1 (3/4)
3/4
(a)
(b)
(c)
(d)
DG
JK1
1
TX+
2
TX-
3
RX+
4
4
5
5
6
RX-
7
7
8
8
R95
75
R94
75
R90
DG
R89
R92
R91
DG
R99
75
R100
75
C102
Z0.1
C96
Z0.1
C97 100p
C98
100p
DG
T1
1
TD+
2
TCT
3
TD-
4
NC4
5
NC5
6
RD+
7
RCT
8
RD-
9
RX-
10
RXCT
11
RX+
12
NC12
13
NC13
14
TX-
15
TXCT
16
TX+
C105
1000p/100V
PHY3.3VA
L4 0
AG_2
AG
L5
EtherJACK
(PC)
(17),(18)
(14),(15)
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