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Model
KX-TCD215RU KX-TCD217RU KX-TCA121RU
Pages
113
Size
2 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
File
kx-tcd215ru-kx-tcd217ru-kx-tca121ru.pdf
Date
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Items
Check
Point
Procedure
Check or
Replace Parts
(L)
Frequency Dirft
Confirmation
-
Follow steps 1 to 6 of (I).
7.Confirm that the frequency drift is < ± 30kHz/ms.
IC2, IC8, R124,
R125, C153,
C140, C141,
DA1, C142,
C143, C144, L3,
L4, R118, R119,
C135, R115,
R116, Q6,
C145, C147,
C149, C151,
C157, R123,
C158, C159,
C160, C161,
C162, C163,
C164, C136,
R117, R127,
C156, C154,
C155
(M)
Sensitivity Receiver
Confirmation
-
Follow steps 1 to 6 of (I).
7.Set DECT tester power to -88dBm.
8.Confirm that the BER is < 1000ppm.
IC2, IC8, R124,
R125, C153,
C140, C141,
DA1, C142,
C143, C144, L3,
L4, R118, R119,
C135, R115,
R116, Q6,
C145, C147,
C149, C151,
C157, R123,
C158, C159,
C160, C161,
C162, C163,
C164, C136,
R117, R127,
C156, C154,
C155
(N)
Timing Confirmation
-
Follow steps 1 to 6 of (I).
7.Confirm that the Timing accuracy is < ± 2.0ppm.
IC2, IC8, R124,
R125, C153,
C140, C141,
DA1, C142,
C143, C144, L3,
L4, R118, R119,
C135, R115,
R116, Q6,
C145, C147,
C149, C151,
C157, R123,
C158, C159,
C160, C161,
C162, C163,
C164, C136,
R117, R127,
C156, C154,
C155
(O)*
RSSI Level
Confirmation
-
Follow steps 1 to 6 of (I).
7.Execute the command "readrssi".
8. Confirm that the returned value is 0×22 ± A (hex).
IC2, IC8, R124,
R125, C153,
C140, C141,
DA1, C142,
C143, C144, L3,
L4, R118, R119,
C135, R115,
R116, Q6,
C145, C147,
C149, C151,
C157, R123,
C158, C159,
C160, C161,
C162, C163,
C164, C136,
R117, R127,
C156, C154,
C155
49
KX-TCD215RU / KX-TCD217R U / KX-TCA121RU
Items
Check
Point
Procedure
Check or
Replace Parts
(P)
Power RAMP
Confirmation
-
Follow steps 1 to 6 of (I).
7.Confirm that Power RAMP is matching.
IC2, IC8, R124,
R125, C153,
C140, C141,
DA1, C142,
C143, C144, L3,
L4, R118, R119,
C135, R115,
R116, Q6,
C145, C147,
C149, C151,
C157, R123,
C158, C159,
C160, C161,
C162, C163,
C164, C136,
R117, R127,
C156, C154,
C155
(Q)*
Audio Check
-
  1. Link with Handset.
  2. Input -45dBm/1kHz to MIC ofHandset.
Measure the Level at Line I/F and distortion level.
  3. Confirm that the level is -9.5dBm ± 2dBm and that the distortion level is < 5%
at TEL Line (600
Ω
Load).
  4. Input -20dBm/1kHz to Line I/F.
Measure the level at Receiver ofHandset and distortion level
(*Receive volume set to second position from minimum).
  5. Confirm that the level is -20.5dBm ± 2dBm and that the distortion level is <
5% at Receiver (Volume Middle, 150
Ω
Load).
IC8, CN1,SA1,
L6, L7, D3, Q4,
Q5, R23, R25,
R26, R28
(R)
Charging Check
-
  1. Connect Charge Contact 12
Ω
/2W resistor between charge+ and charge-.
  2. Measure and confirm voltage across the resistor is 2.85V ± 0.2V.
R3, R4, R5, D6,
C107, C180,
C181
50
KX-TCD215RU / KX-TCD217R U / KX-TCA121RU
     • 
• 
• 
• 
EEPROM serial JIG
JIG Cable: PQZZ1CD300E*
     • 
• 
• 
• 
PC which runs in DOS mode
     • 
• 
• 
• 
Batch file for setting: PQZZTCD215RU
Note:
*: Ifyou
have
the
JIG
Cable
f
or
TCD500 series
(PQZZ1CD505E),
change
the
following
values
of
resistance. Then you can use it as a JIG Cable for both
TCD300 and TCD500 series. (It is an upper compatible JIG
Cable.)
Resistor
Old value (k
Ω
)
New value (k
Ω
)
R2
22
3.3
R3
22
3.3
R4
22
4.7
R7
4.7
10
13.2.  The Setting Method of JIG (Base Unit)
13.2.1.  Preparation
13.2.1.1.  Equipment Required
     • 
• 
• 
• 
DECT tester: Rohde & Schwarz, CMD 60 is recommended.
     • 
• 
• 
• 
Frequency counter: it must be precise to be able to measure 1Hz (precision; ±4ppm).
Hewlett Packard, 53131A is recommended.
     • 
• 
• 
• 
Digital multi-meter (DMM): it must be able to measure voltage and current.
     • 
• 
• 
• 
Oscilloscope
13.2.1.2.  JIG and PC
13.2.2.  PC Setting
13.2.2.1.  Connections
13.2.2.2.  PC Setting
  1. Open a window ofMS-DOS mode from the start-up menu.
  2. Change a directory.
  3. Type “SET_COM=1” from the keyboard (when COM port 1 is used for the connection).
  4. Type “doskey”.
Note:
See the table below for frequently used commands.
Command name
Function
Example
rdeeprom
Read the data ofEEPROM
Type “rdeeprom 00 00 FF”, and the data from
address “00 00” to “FF” is read out.
readid
Read ID (RFPI)
Type “readid”, and the registered ID is read out.
writeid
Write ID (RFPI)
Type “writeid 00 18 E0 0E 98”, and the ID “0018 E0 0E
98” is written.
setfreq
Adjust Frequency ofRFIC
Type “setfreq nn”.
hookoff
Off-hook mode on Base
Type “hookoff”.
hookon
On-hook mode on Base
Type “hookon”.
getchk
Read checksum
Type “getchk”.
wreeprom
Write the data ofEEPROM
Type “wreeprom 01 23 45”. “01 23” is address and “45”
is data to be written.
51
KX-TCD215RU / KX-TCD217R U / KX-TCA121RU
13.3.  Adjustment Standard (Base Unit)
When connecting the Simulator Equipments for checking, please refer to below.
PbF
BUZ
CLK
VDD2
TP16
TP15
A_1
VDD3
A_2
ANT
VDD1
J101
TP19
TP20
RED
BLACK
J102
J103
J104
LINE_DC
L2T
L1T
CN1
L2R
L1R
DCP
DCM
Short A_1 and GND.
BELL
Simulator
Loop
Simulator
AF Volt
Meter
AF
OSC
DCP
GND
DC POWER
6V
PC
Digital
Volt Meter
(A) (B) (C)
(D) (E)
ANT
GND
GND
CLK
DECT Tester
CMD60
Frequency
Counter
CHARGE-
CHARGE+
TP16
TP15
Call-ID
Simulator
DTMF
Tester
L1T
TX
J102
RX
J103
GND
J104
GND
VDD1
VDD3
VDD2
GND
GND
BUZ
LINE_DC
L1R
Digital
Volt Meter
Digital
Volt Meter
AF
OSC
AF Volt
Meter
Dummy Handset
SP
MIC
OSC
OSC
AF
Volt Meter
600
Ω
12
Ω
2W
150
Ω
6.3V 47uF
+
-
(R)
(F)
(I) (J) (K) (L)
(M) (N) (O) (P) 
(H)
(G) (Q)
Note:
(A) - (R) is referred to Check Point (Base Unit) (P.47)
KX
-T
CD2
15RU
/
KX
-T
C
D
217R
U
/
KX
-T
CA1
21RU
52
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