Panasonic KX-TG2559LBS, Руководство по обслуживанию

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7.4.5. Check Table for RF Block
No. Item BU (Base unit) (*1) HS (Handset) (*1)
1a Link confirmation Normal 1. The switch of “HS Test Fixture” is changed to
normal mode side, and is charge of "HS Test
Fixture".
2. Press [TALK] key of "HS Test Fixture" to
establish link about one foot (30cm) away from
"Base unit".
3. Confirm to link. 1. The swich of “BU TEST Fixture” is changed to
“Normal mode side”, and is charge of "BU Test
Fixture".
2. Press [TALK] key of "Handset" to establish link
about one foot (30cm) away from "BU Test Fixture".
3. Confirm to link.
1b Link confirmation Test 1. The switch of “HS Test Fixture” is changed to
TEST mode side, and is charge of "HS Test
Fixture".
2. Press [TALK] key of "HS Test Fixture" to
establish link about one foot (30cm) away from
"Base unit".
3. Confirm to link. 1. The swich of “BU TEST Fixture” is changed to
“TEST mode side”, and is charge of "BU Test
Fixture".
2. Press [TALK] key of "Handset" to establish link
about one foot (30cm) away from "BU Test Fixture".
3. Confirm to link
1c Check Antenna connection 1. Check ANT1(*2) and ANT2(*2) soldering.
2. Check ANT1(*2) and ANT2(*2) points are not
shorted to GND. 1. Check Antenna(*3) on HS mainboard soldering.
2 24MHz Adjustment 1. Set BU to [Test STANDBY] mode (*5)
2. Confirm X101 frequency within 24MHz ± 720Hz
at TP_FREQ(*4) of RF Unit.
If X101 frequency is spec out than adjust frequency
within 24 MHz ±100 Hz by VC101. 1. Set HS to [Test STANDBY] mode (*5)
2. Confirm X101 frequency within 24MHz ± 720Hz
at TP_FREQ(*4) of RF Unit.
If X101 frequency is spec out than adjust frequency
within 24 MHz ±100 Hz by VC101.
3 TX Pow_Low confirmation 1. Put low loss high frequency wire to ANT1(*2) and
GND(*2)
2. Connect this wire to Spectrum analyzer.
3. Set BU to [Low Power] mode (*5)
4. Confirm TX power level within -5 ~ +10dBm 1. Remove Antenna on HS main board. Put low
loss high frequency wire to ANT(*3) and GND (*3)
2. Connect this wire to Spectrum analyzer.
3. Set HS to [Low Power] mode (*5)
4. Confirm TX power level within -5 ~ +10dBm
4 TX Pow_High confirmation 5. Set BU to [High Power] mode (*5)
6. Confirm TX power level 20±4dBm 5. Set HS to [High Power] mode (*5)
6. Confirm TX power level 20±4dBm
5 Antenna Diversity confirmation 7. Set BU to [Test STANDBY] mode (*5)
8. Put low loss high frequency wire to ANT2 (*2)
and GND (*2)
9. Connect this wire to Spectrum analyzer
10. Press [1] key to activate the ANT2.
11. Set BU to [High Power] mode (*5)
12. Confirm TX power level 20±4dBm
6 Receiver confirmation Same as Item 1b. Same as Item 1b.
(*1) BU: Base Unit, HS: Handset.
(*2) See Base Unit Reference Drawing 1.
(*3) See Handset Reference Drawing.
(*4) See RF Unit Reference Drawing (Base Unit and Handset).
(*5) See TEST MODE AND ADJUSTMENT.
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KX-TG2559LBS