Panasonic KX-TCA256X, Service Manual

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KX-TCA256X
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.36)
Items Adjustment
Point
Procedure Check or
Replace Parts
( A ) Charging Check - 1. Connect Charge Contact 12
Ω
/2W register between 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) Data type: Fig31
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) Adjustment (Handset) (O)
Power RAMP Power RAMP is matching Adjustment (Handset) (P)
CII
C603
R601 R602 R603
C608
JT601 JT602
Vtc
Vsw
Iw
1
4
5
8
Vo
Vin
Vop V+
V- Isens
GND
IC601
KX-TCA256
X
CIRCUIT BOARD (CHARGER UNIT)
Flow Solder Side View
Digital Volt Meter
12
Ω
/2W
(A)