58
KX-TCA275CE
13.2. Handset (RF Unit)
KX-TCA275CE RF UNIT SCHEMATIC DIAGRAM
D
F
E
C
B
A
4
7
6
2
81
0
9
C630
8p
R626
220
C622 12p
R605
1k
R615 2.7k
R606
1k
C646 0.1
C605 10p
TXDA
R611
3.9k
SYEN
C620 12p
L608
2.7nH
IC602
1
PO
2
PSEL
3
PAON
4
VCC
5
PI
6
PIX
7
PSET
8
VCCS
9
PRAMP
10
POX
C665
8p
PAON
L620
10nH
C671
10p
FIL601
1
2
3
4
C647
10p
C610
12p
L602 4.7nH
C621 12p
R607
1k
RXDA
L617
8.2nH
C682 0.01
L614
5.6nH
L621
10nH
C651
68p
C625 47p
R610 10k
C632 3p
R604 8.2k
JP601
C652
2p
C604 0.01
C657 8p
C674
NC
C681
0.01
R645
330
R632
F.B
L601
4.7nH
SYRI
FB603
F.B
C601 2200p
R633
10
C608 1000p
C677 1.0u
IC603
1
EN2
2
VIN
3
EN1
4
VSS
5
VOUT1
6
VOUT2
C666
0
R634
10
TP601
C654
10p
C633
3p
C648
10p
R603
2.7k
FB606
F.B
C603
10p
C656 1.5p
RSSI
C653
2p
C683
10p
R614
22k
PSEL
C607 0.01
C634
3p
C609 0.01
C673
0
BATT
C606 8p
C642
10p
BATT
C650
8p
R623
560
L610
3.3nH
C649
10p
C670 5.6nH
C643
10p
R612 1.2k
C660
10p
C645
1p
IC601
1
NC1
2
DR
3
DRX
4
NC4
5
NC5
6
DIREF
7
VCCRXRF
8
GNDRXRF
9
RF
10
RFX
11
RXON
12
VCC1
13
BPNP
14
VCCPLL
15
VCCBG1
16
GNDREG1
17
TXDA
18
GNDPLL
19
RSSI
20
RXDSG
21
SYRI
22
SYCL
23
SYDA
24
SYEN
25
ICHP
26
PD
27
GNDTX
28
VCOK2
29
VCOK1
30
GNDREG2
31
VCC2
32
GNDRXIF
33
GNDC
34
RXDA
35
VCCRXIF
36
PF
37
SHR
38
SHC
C624 1000p
L611
3.3nH
RFCONT
L605
27nH
L616
27nH
BATT
SYDA
C684
10p
C626 0.01
L603
27nH
C627 10p
C680 NC
SYCL
C623
12p
R613 27nH
L615
5.6nH
R625
270
C672
10p
R608
1k
C631
8p
RXDSG
L606
2.7nH
C676
1.0u
L631
27nH
C675 1.0u
CK601
CK602
C690
8p
D601
D602
L630
47nH
L632
0
C691
1p
C678
10p
1
2
8:A
8:B
5
3
8:B
1
Refer to
the jumper-land nearby the TP601 (RF test point)
Summary of Contents for KX-TCA275CE
Page 15: ...15 KX TCA275CE 5 Location of Controls and Components 5 1 Handset ...
Page 16: ...16 KX TCA275CE ...
Page 19: ...19 KX TCA275CE 7 Operating Instructions 7 1 Soft Keys ...
Page 20: ...20 KX TCA275CE ...
Page 21: ...21 KX TCA275CE 7 2 Handset Setting Menu Layout ...
Page 23: ...23 KX TCA275CE 7 5 DISPLAY ...
Page 25: ...25 KX TCA275CE 7 7 Function Keys ...
Page 26: ...26 KX TCA275CE 7 8 Flexible Keys ...
Page 27: ...27 KX TCA275CE 7 9 Caller ID ...
Page 28: ...28 KX TCA275CE 7 10 Character Mode Table ...
Page 31: ...31 KX TCA275CE Charger Unit NO Display On the LCD ...
Page 32: ...32 KX TCA275CE 5V Circuit 8 2 Battery Charge Trouble Handset 8 2 1 Charge On ...
Page 33: ...33 KX TCA275CE 8 2 2 Charge Off ...
Page 34: ...34 KX TCA275CE 8 3 LED Trouble Handset 8 3 1 Key Back Light 8 3 2 Charging And Ringing LED ...
Page 36: ...36 KX TCA275CE 8 6 No Voice Transmission ...
Page 37: ...37 KX TCA275CE 8 7 No Voice Reception 8 7 1 Talk Mode ...
Page 39: ...39 KX TCA275CE 9 Service Fixture Tools ...
Page 46: ...46 KX TCA275CE 4 6 Downloading Start After several seconds Display shows Flash Program Start ...
Page 65: ...65 KX TCA275CE 16 2 Cabinet and electrical Parts Location 16 2 1 Handset ...
Page 66: ...66 KX TCA275CE 16 2 2 Charger Unit ...
Page 67: ...67 KX TCA275CE 16 2 3 Accessories and Packing Materials ...