Panasonic KX-NT366RU (serv.man2) Service Manual ▷ View online
61
KX-NT366RU/KX-NT366RU-B
11.3. LCD Board
11.3.1. Component View
11.3.2. Flow Solder Side View
C614
CN604
CN601
R610
R605
R604
R622
C609 C608
C605
C606
R616
C607
R609
R617
D3.3V
22
1
1
30
C610
C604
C603
C602 C601 C611
C615
R601
R603
R618
R618
R624
R602
Q601
R615
R613
R612
R614
R625
R608
CN602
R611
R619
R620 R621
R628
R633
R632
R632
C612
C616
C613
R626
R631
R630
R629
R607
R607
R606
R623
R623
C617
C618
V5
PbF
PSUP1637Z
A
DG
CN603
11
20
10
1
KX-NT366
RU/KX-NT366RU-BLCDCOMPONENTVIEW
SW601
SW602
SW603
SW604
LED601
LED602
LED603
KX-NT366
RU/KX-NT366RU-BLCDBOTTOMVIEW
62
KX-NT366RU/KX-NT366RU-B
12 Appendix Information of Schematic Diagram
Note:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
1. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
1. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
63
KX-NT366RU/KX-NT366RU-B
13 Exploded View and Replacement Parts List
13.1. IC Data
13.1.1. IC1 (VoIP)
Pin No.
Terminal Name
I/O Setting
Contents of Control
Remark
1
DGND1
-
Digital system ground
2
A15
O
Address bus
3
A14
O
Address bus
4
A13
O
Address bus
5
A12
O
Address bus
6
A11
O
Address bus
7
A10
O
Address bus
8
A9
O
Address bus
9
A8
O
Address bus
10
A7
O
Address bus
11
A6
O
Address bus
12
A5
O
Address bus
13
NC13
-
Not internal connection
Connecting
to
GND
14
TEST3
I
Test pin
15
TEST2
I
Test pin
16
TEST1
I
Test pin
17
NC17
-
Not internal connection
Connecting
to
GND
18
PVDD1.8_18
-
PLL power supply (+1.5V)
19
PGND19
-
PLL ground
20
VCNT1
O
PLL1 VCO control
21
nWAIT/PB12
I
Not in use
22
nRSTOUT
O
Reset output
23
TEST0
I
Test pin
24
ROMBUSW
I
Memory bus width selection
25
A4
O
Address bus
64
KX-NT366RU/KX-NT366RU-B
26
A3
O
Address bus
27
A2
O
Address bus
28
A1
O
Address bus
29
A0
O
Address bus
30
nMWRL
O
External memory write signal
31
nMWRH
O
External memory write signal
32
nMRD
O
External memory read signal
33
nRESET
I
Rest
34
XTAL1
I
Crystal oscillator connection (8.192MHz)
35
XTAL2
O
36
DVDD3.3_36
-
Digital system power supply (+3.3V)
37
DGND37
-
Digital system ground
38
nCS0
O
External memory chip select 0
39
nCS1/PD4
I
Not in use
Connecting
to
GND
40
DQM3
O
SDRAM byte mask 3
41
DQM2
O
SDRAM byte mask 2
42
nDRCS1
O
SDRAM chip select 1
43
nDRCS0
O
SDRAM chip select 0
44
nRAS
O
Row address strobe
45
nCAS
O
Column address strobe
46
DRCLK
O
SDRAM clock
47
DRWE
O
SDRAM write enable
48
DQM1
O
SDRAM byte mask 1
49
DQM0
O
SDRAM byte mask 0
50
M1_TXEN
O
MAC1 transmit enable
51
M1_TXCLK
I
MAC1 transmit clock
52
M1_TXD3
O
MAC1 transmit data
53
M1_TXD2
O
MAC1 transmit data
54
DVDD1.8_54
-
Digital system power supply (+1.5V)
55
DGND55
-
Digital system ground
56
M1_TXD1
O
MAC1 transmit data
57
M1_TXD0
O
MAC1 transmit data
58
NC58
-
No internal connection
Connecting
to
GND
59
M1_RXCLK
I
MAC1 receive clock
60
M1_RXDV
I
MAC1 receive data valid
61
M1_RXER
I
MAC1 receive data error
62
M1_RXD3
I
MAC1 receive data
63
M1_RXD2
I
MAC1 receive data
64
M1_RXD1
I
MAC1 receive data
65
M1_RXD0
I
MAC1 receive data
66
M1_CRS
I
MAC1 carrier sense
67
M1_COL
I
MAC1 collision detection
68
M1_MDC
O
MAC1 MII control clock
69
M1_MDIO
I/O
MAC1 MII control data
70
NC70
-
No internal connection
Connecting
to
GND
71
M2_TXEN
O
MAC2 transmit enable
72
DVDD3.3_72
-
Digital system power supply (+3.3V)
73
DGND73
-
Digital system ground
74
M2_TXCLK
I
MAC2 transmit clock
75
M2_TXD3
O
MAC2 transmit data
76
M2_TXD2
O
MAC2 transmit data
77
M2_TXD1
O
MAC2 transmit data
78
M2_TXD0
O
MAC2 transmit data
79
M2_RXCLK
I
MAC2 receive clock
80
M2_RXDV
I
MAC2 receive data valid
81
M2_RXER
I
MAC2 receive data error
82
M2_RXD3
I
MAC2 receive data
83
M2_RXD2
I
MAC2 receive data
84
M2_RXD1
I
MAC2 receive data
85
M2_RXD0
I
MAC2 receive data
86
M2_CRS
I
MAC2 carrier sense
87
M2_COL
I
MAC2 collision detection
88
M2_MDC
O
MAC2 MII control clock
89
M2_MDIO
I/O
MAC2 MII control data
Pin No.
Terminal Name
I/O Setting
Contents of Control
Remark
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