Panasonic KX-TCA364RU Service Manual ▷ View online
41
KX-TCA364RU
R213
R407
R218
R219
CN402
CN403
MIC
CN405
SW01
SW02
SW03
C215
C216
C217
C218
SW11
C219
SW12
SW13
C411
C220
C414
C221
C222
C223
C224
C225
SW21
SW22
SW23
C421
SW31
SW32
SW33
SW40
SW41
SW42
SW43
SW51
SW52
SW53
D401
D402
SW1
SW2
R131
R132
D301
D302
D305
D306
D307
D308
D309
D310
D311
D312
D313
D314
D
316
D320
D
321
D322
D323
D324
D325
D326
D327
D328
D329
D330
D331
KX-TCA3
64
RU
CIRCUIT
BOARD (HANDSET) Bottom V
iew
AF VOL
T
METER
(R)
OSCILLOSCOPE
32
Ω
42
KX-TCA364RU
11.2.3. Adjustment (Charger Unit)
Note:
After the measuring, sock up the solder of TP.
11.2.4. Adjustment Standard (Charger Unit)
When connecting the Simulator Equipments for checking, please refer to below.
11.2.4.1. Flow Solder Side View
11.3. RF Specification (Handset)
**: Refer to Adjustment (Handset) (P.37)
Items
Adjustment
Point
Procedure
Check or
Replace Parts
(A) Charging Check
-
1. Connect Charge Contact 12
Ω/2W register between charge+ and charge-.
2. Measure and confirm voltage across the register is 2.7V±0.2V.
Item
Value
Refer to -. **
Remarks
TX Power
20 dBm~25 dBm
Adjustment (Handset) (I)
Modulation
360 kHz/div~380 kHz/div
Adjustment (Handset) (J)
Frequency Offset
-45 kHz~+45 kHz
Adjustment (Handset) (K)
Frequency Drift
< ± 30 kHz / ms
Adjustment (Handset) (L)
RX Sensitivity
< 1000 ppm
Adjustment (Handset) (M)
Timing Accuracy
< ± 0.5 ppm
Adjustment (Handset) (N)
RSSI Level
0x11 hex±8 hex (at -81dBm)
0x1E hex±8 hex (at -63dBm)
0x1E hex±8 hex (at -63dBm)
Adjustment (Handset) (O)
Power RAMP
Power RAMP is matching
Adjustment (Handset) (P)
R601 R602
R603
R610
R611
R612 R613
R614
R615
C602
C603
C604
C608
C609
IC602
Iw
Vin
CII
Vop
V+
Vtc
Vsw
Vn
GND
Isens
CHARGE
TERMINAL
R
Blk
Vo
PSUP1649Z
PbF
VDC
VF
IC601
A
KX-TCA364RU CIRCUIT BOARD
(CHARGER UNIT) Flow Solder Side View
DIGITAL
VOLT
METER
VOLT
METER
12
Ω/2W
(A)
43
KX-TCA364RU
11.4. How to Check the Handset Speaker
1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
2. Put the probes at the speaker terminals as shown below.
2. Put the probes at the speaker terminals as shown below.
11.5. How to Check the Handset Receiver
1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
2. Put the probes at the receiver terminals as shown below.
2. Put the probes at the receiver terminals as shown below.
44
KX-TCA364RU
11.6. Frequency Table (MHz)
Note:
Channel No. 10: In the Test Mode on Handset.
HANDSET
Channel No
Transmit Frequency
Receive Frequency
1
1897.344 1897.344
2
1895.616 1895.616
3
1893.888 1893.888
4
1892.160 1892.160
5
1890.432 1890.432
6
1888.704 1888.704
7
1886.976 1886.976
8
1885.248
1885.248
9
1883.520 1883.520
10
1881.792 1881.792
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