+2.7V
IC10
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
R39
10K
R40
22K
TALK
INT
8
5
7
SP
*
3
6
9
CLEAR
R
#
0
2
1
4
SOFT_A
MIC
R37
33R
R38
33R
C10
100n
R29
2.2K
IC2
1
CD
2
FC2
3
FC1
4
VIN
5
VO1
6
VCC
7
GND
8
VO2
R34
180K
R35
27K
C14
100n
C13
100n
C15
1u
C16
100n
+4V
C38
470P
R36
68K
C12
1u
N.M.
C43
N.M.
C41
10u
C42
CN4
1
5
4
3
2
+2.7V
C46
100n
C48
0.047u
R52
18K
C45
100n
C49
100n
C47
100n
R51
1M
X2
+2.7V
+4V
IC3
5 RSSI
6 VCC_OC
7 GND
8 SYCL
9 SYDA
10 SYEN
11 GND
12
RXDSG
13
SYRI
14
GND
15
GND
16
GND
17
GND
18
GND
19
GND
20
RXDA
21
GND
22
GND
23
GND
24
PSEL
25
PAON
26
GND
27
VCC_PA
28
GND
29
GND
30
GND
31
GND
32
GND
33
RF1
34
GND
GND
1
GND
2
GND
3
TXDA
4
A201
R55
10K
L2
4.7uH
C56
68p
C54
33p
C55
100n
IC4
1I
R
Q
2
IFSEL
3
SYNC
4
AVDD
5
TESTA
6
TESTA
7
TESTA
8
V
REFL
9
V
REFR
10
AOUTL
11
AOUTT
12
AGND
13
PTESTO2
14
ILE
15
CS
16
RD
17
WR
18
D7/TESTO
19
D5/TESTO
20
D5/ERQ
21
D4/SRQ
22
D3/ARQ
23
D2/SCLK
25
D1/SDOUT
26
D0/SDIN
27
VDDIO
28
DVDD
29
PTESTIN1
30
CLOCK
31
P0
32
P1
33
P2
34
P3
35
P4
36
PTESTO1
37 VIB
38 DrvGND
39 PANEL
40 PWM0
41 PWM1
42 PWM2
43 PWM3
44 DVDD
45 DGND
46 TEST1
47 PTESTIN2
48 RESET
24
DGND
C44
1u
C60
4.7u
C61
B 1u
R58
2.2
C62
4.7u
C63
5600p
C64
2p
C65
2
p
C66
2p
SP_TEST2
SP_TEST1
REV_TEST1
REV_TEST2
SW1
COM
C
P
B
A
D
R62
10k
C69
2p
Q8
R65
N.M.
C70
100n
R66
10k
R50
100R
IC5
1
1A
2
3Y
3
2A
4
GND
5
2Y
6
3A
7
1Y
8
VCC
TP15
R71
100k
TP1
TP2
TP3
TP4
TP5
TP6
CLK
TP8
TP9
D5
C67
10p
(10-05)
C76
N.M.
C78
N.M.
C79
N.M.
D4
L
C80 2.2u
21-25
R74
0R
C83
N.M.
TP13
R75
0R
N.M.
C85
N.M.
C84
C81
2
p
C82
2
p
D8
C86
1u
R77
680R
R76
22K
10P
C17
10P
C89
10P
C87
10P
C92
10R
R80
C95
N.M.
(2125)
C100
1u
10P
C77
10P
C75
R90
10K
C101
100n
COL4
COL5
COL3
COL2
COL1
P0
PANEL
PWM1
ROW3
COL0
TXDA
SYCL
SYDA
SYEN
RXDSG
RXDA
PSEL
P2
P3
SYRI
PAON
RSSI
ROW 2
ROW1
ROW0
HEADSET JACK
DOWN
RIGHT
LEFT
UP
PUSH
KX-TCA154AZM: SCHEMATIC DIAGRAM (CORDLESS HANDSET)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
3.9V
0V
Speaker
Receiver
MIDI signal
0V (without Headset)
1V (with Headset)
0V
2.7V
0V
2.7V
0V
2.7V
2.7V
2.7V
0V
TX-DATA
RX-DATA
4.2V
0V
2.7V
Summary of Contents for KX-TCA154AZM
Page 2: ...SPECIFICATIONS 2 ...
Page 12: ...12 ...
Page 13: ...5 2 Cordless Handset 13 ...
Page 14: ...14 ...
Page 15: ...5 3 Charger Unit 5 4 Icons above SOFT KEYS 5 4 1 Base Unit 15 ...
Page 16: ...5 4 2 Cordless Handset 6 SETTINGS For your Information 16 ...
Page 20: ...6 2 Symbols Used for Operations 6 2 1 Base Unit Cordless Handset 6 2 2 Base Unit 20 ...
Page 21: ...6 2 3 Cordless Handset 21 ...
Page 22: ...6 3 Setting the Ringer Volume 6 3 1 Base Unit 22 ...
Page 23: ...6 3 2 Cordless Handset 6 4 Settings Menu Chart 6 4 1 Base Unit 23 ...
Page 24: ...6 4 2 Cordless Handset 24 ...
Page 25: ...6 5 PIN Code 6 5 1 Base Unit 25 ...
Page 34: ...6 12 2 Cordless Handset Note for Service 34 ...
Page 35: ...7 DISPLAY 7 1 Display Icons 7 1 1 Base Unit 7 1 2 Cordless Handset 35 ...
Page 38: ...Turn the power OFF then ON Handset Disconnect then connect the AC adaptor Base Unit 38 ...
Page 39: ...39 ...
Page 41: ...8 OPERATIONS 8 1 Power ON OFF 8 2 Setting the Date and Time 41 ...
Page 45: ...8 4 1 Storing Caller Information in the Phonebook 8 4 1 1 Base Unit Phonebook 45 ...
Page 46: ...8 4 1 2 Cordless Handset Phonebook 46 ...
Page 47: ...8 4 2 Entering Names Characters 47 ...
Page 48: ...Cross Reference 48 ...
Page 49: ...Phonebook Character Table 8 4 3 Phonebook Character Table 8 4 4 Editing Caller Information 49 ...
Page 50: ...50 ...
Page 51: ...8 4 5 Storing the Number in the Handset Phonebook 51 ...
Page 52: ...52 ...
Page 53: ...8 4 6 Hot Keys Speed Dial 53 ...
Page 54: ...54 ...
Page 55: ...8 4 7 Voice Search 55 ...
Page 56: ...56 ...
Page 57: ...57 ...
Page 59: ...59 ...
Page 60: ...8 5 Cordless Handset Registration to a Base Unit 60 ...
Page 61: ...Note for Service At step 7 enter Finally Handset will be linked to Base Unit 61 ...
Page 62: ...8 6 Base Unit Selection 62 ...
Page 64: ...9 1 2 Cordless Handset 9 2 Greeting Message 9 3 Incoming Memo Messages 64 ...
Page 65: ...9 3 1 Base Unit 9 3 2 Cordless Handset 65 ...
Page 66: ...9 4 Answering System Direct Command 66 ...
Page 67: ...67 ...
Page 68: ...9 5 Remote Operation from a Touch Tone Phone 10 DISASSEMBLY INSTRUCTIONS 10 1 Base Unit 68 ...
Page 69: ...69 ...
Page 71: ...71 ...
Page 73: ...Cross Reference Check Power Bell Reception Check Battery Charge 73 ...
Page 75: ...Cross Reference Power Supply Circuit Note BBIC is IC2 11 1 2 Cordless Handset 75 ...
Page 78: ...78 ...
Page 80: ...80 ...
Page 109: ...109 ...
Page 111: ...111 ...
Page 116: ...21 3 Telephone Line Interface Function Bell signal detection Clip signal detection 116 ...
Page 122: ...122 ...
Page 123: ...26 CPU DATA BASE UNIT 26 1 IC2 BBIC 123 ...
Page 149: ...35 2 Cordless Handset 149 ...
Page 151: ...36 1 Base Unit 36 1 1 Cabinet and Electrical Parts 151 ...
Page 176: ...SW531 PbF KX TCD540NZM CIRCUIT BOARD BASE UNIT Operation Component View ...
Page 180: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...
Page 181: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...
Page 182: ...48 25 IC7 I C 2 64 65 RFM1 IC6 11 1 22 1 1 1 128 103 102 24 38 39 44 23 18 PbF Marked ...
Page 184: ...SW531 PbF Marked ...
Page 186: ...IC3 IC2 IC1 IC10 PbF Marked ...
Page 188: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...
Page 191: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A DC Power Supply 6V ...