Panasonic KX-TG7331CAM / KX-TG7331CAT / KX-TGA731RUM / KX-TGA731RUT / KX-TGA731RUC / KX-TGA731RUS Service Manual ▷ View online
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KX-TG7331CAM/KX-TG7331CAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
11.6.2. Handset
Before making the following adjustment, ensure you have carried out PC Setting (P.61) in The Setting Method of JIG (Hand-
set).
set).
Note:
(*3) XX: country code, YY: revision number
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.61).
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.61).
(*4) Refer to Check Point (Handset) (P.48)
Items
Necessary Adjustment
BBIC (FLASH type)
(IC1)
(IC1)
Programs for Voice processing, interface for RF
and EEPROM
and EEPROM
1. Make sure to connect the JIG cable, then detach the DC
Power.
2. Execute the command “flw480 *********.hex”.
3. Connect the DC Power.
4. Press and hold the handset Power key.
5. While holding down the handset Power key, press the PC
3. Connect the DC Power.
4. Press and hold the handset Power key.
5. While holding down the handset Power key, press the PC
Enter key once.
6. After a few minutes, “Successful upgrade” is displayed
on the PC indicating downloading has finished.
7. Detach the JIG cable, then press the handset Power key
to turn it on.
8. Connect the JIG cable again, and execute the command
"getchk”, then confirm the checksum value is correct.
• If the downloading fails, start again from step 1.
9. Default batch file: Execute the command “default.bat”.
10. Default batch file (remaining): Execute the Command
“TGA731DEFrevYY.bat”. (*3).
11. Country version batch file: Execute the command
“TGA731XXrevYY.bat”. (*3).
12. Clock adjustment: Refer to Check Point (H). (*4).
13. 1.8 V setting and battery low detection: Refer to Check
13. 1.8 V setting and battery low detection: Refer to Check
Point (A), (F) and (G). (*4).
EEPROM (IC3)
Adjustment parameter data
(country version batch file, default batch file,
etc.)
(country version batch file, default batch file,
etc.)
1. Default batch file: Execute the command “default.bat”.
2. Default batch file (remaining): Execute the Command
2. Default batch file (remaining): Execute the Command
“TGA731DEFrevYY.bat”. (*3)
3. Country version batch file: Execute the command
“TGA731XXrevYY.bat”. (*3)
4. Clock adjustment: Refer to Check Point (J). (*4)
5. 1.8 V setting and battery low detection: Refer to Check
5. 1.8 V setting and battery low detection: Refer to Check
Point (A), (F) and (G). (*4)
X'tal (X1)
System clock
1. Refer to Check Point (H). (*4)
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KX-TG7331CAM/KX-TG7331CAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
11.7. RF Specification
11.7.1. Base Unit
*: Refer to Check Point (Base Unit) (P.44)
11.7.2. Handset
**: Refer to Check Point (Handset) (P.48)
Item
Value
Refer to -. *
TX Power
19 dBm ~ 25 dBm
Check Point (Base Unit) (J)
Modulation
-370±30/+370±30 kHz/div & Modulated
width 690 kHz
width 690 kHz
Check Point (Base Unit) (K)
Frequency Offset
-50 kHz ~ +50 kHz
Check Point (Base Unit) (L)
Frequency Drift
< ± 35 kHz / ms
Check Point (Base Unit) (M)
RX Sensitivity
< 1000 ppm
Check Point (Base Unit) (N)
Timing Accuracy
< ± 5.0 ppm/<±15.0 ppm
Check Point (Base Unit) (O)
Power RAMP
Power RAMP is matching
Check Point (Base Unit) (P)
Item
Value
Refer to -. **
TX Power
19 dBm ~ 25 dBm
Check Point (Handset) (I)
Modulation
-370±30/+370±30 kHz/div & Modulated
width 690 kHz
width 690 kHz
Check Point (Handset) (J)
Frequency Offset
-50 kHz ~ +50 kHz
Check Point (Handset) (K)
Frequency Drift
< ± 35 kHz / ms
Check Point (Handset) (L)
RX Sensitivity
< 1000 ppm
Check Point (Handset) (M)
Power RAMP
Power RAMP is matching
Check Point (Handset) (N)
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KX-TG7331CAM/KX-TG7331CAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
11.8. How to Check the Speaker or Receiver
1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
2. Put the probes at the speaker (receiver) terminals as shown below.
2. Put the probes at the speaker (receiver) terminals as shown below.
11.9. Frequency Table (MHz)
Note:
Channel No. 10: In the Test Mode on Base Unit and Handset.
BASE UNIT
HANDSET
Channel No
Transmit Frequency
Receive Frequency
Transmit Frequency
Receive Frequency
1
1897.344 1897.344 1897.344 1897.344
2
1895.616 1895.616 1895.616 1895.616
3
1893.888 1893.888 1893.888 1893.888
4
1892.160 1892.160 1892.160 1892.160
5
1890.432 1890.432 1890.432 1890.432
6
1888.704 1888.704 1888.704 1888.704
7
1886.976 1886.976 1886.976 1886.976
8
1885.248
1885.248
1885.248
1885.248
9
1883.520 1883.520 1883.520 1883.520
10
1881.792 1881.792 1881.792 1881.792
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KX-TG7331CAM/KX-TG7331CAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
12 Miscellaneous
12.1. CPU Data (Base Unit)
12.1.1. IC7 (BBIC)
Pin No.
Description
I/O
Connection
at Normal mode
at Reset mode
1
VSS_LNA1
-
GND
-
-
2
RF_RXp
A.I
RF_RXp
A.I
A.I
3
RF_RXn
A.I
RF_RXn
A.I
A.I
4
VSS_LNA2
-
GND
-
-
5
RFP1
D.O
RXON
O_0/1
Hi-Z
6
RFP0
D.O
ANT1
O_0/1
Hi-Z
7
REF_RES
A.O
REF_RES
A.O
A.O
8
AVS_XTAL
-
GND
-
-
9
XTAL2
A.I
XTAL2
A.I
A.I
10
XTAL1
A.I
XTAL1
A.I
A.I
11
AVD_XTAL
-
AVD_XTAL
-
-
12
RF_SUPPLY1
-
RF_SUPPLY1
-
-
13
VDD1
-
VDD1
-
-
14
SPI2_EN/P4_0
D.O
TAM_EN
O_0/1
I-PU
15
SPI2_CLK/P4_1
D.O
SPI2_CLK
O_0/1
I-PU
16
SPI2_DO/P4_2
D.O
SPI2_DO
O_0/1
I-PU
17
SPI2_DI/P4_3
D.I
SPI2_DI
I_0/1
I-PU
18
P4_4
D.O
LED1
O_0/1
I-PU
19
LDO_CTRL
A.O
LDO_CTRL
A.O
O-1
20
AVD
-
AVD
-
-
21
LSRn
A.O
LSRn
A.O
A.O
22
LSRp
A.O
LSRp
A.O
A.O
23
VREFm
-
GND
-
-
24
MICh
A.I
MICh
A.I
A.I
25
CIDOUT/MICn
A.O
CIDOUT
A.O
A.I
26
CIDINn/MICp
A.I
CIDINn
A.I
A.I
27
CIDINp/VREFp
A.I
CIDINp
A.I
A.I
28
PULSE_CTRL
D.O
N.C.
O_0/1
A.I
29
RINGn/P3_6
D.O
HOOK
O_0/1
A.I
30
RINGOUT/RINGING/
P3_5
P3_5
A.I
RINGING
A.I
A.I
31
PARADET/P3_4
A.I
PARADET
A.I
A.I
32
ADC0/P3_3
A.I
ADC0
A.I
A.I
33
ADC1/INT0/P1_0
A.I
ADC1
A.I
I-PU
34
NTC/ADC2
-
GND
-
A.I
35
SOCp
-
GND
-
A.I
36
SOCn
-
GND
-
A.I
37
CHARGE_CTRL
A.O
N.C.
A.O
O-0
38
P1_7/CHARGE
A.I
CHARGE
A.I
I-PD
39
DP1/PAOUTp/P3_1
D.O
DP1(N.C.)
D.O
O-0
40
VDDPA
-
GND
-
-
41
DP0/PAOUTn/P3_0
D.O
DP0(N.C.)
D.O
O-0
42
VBAT1
-
VBAT1
-
-
43
P4_5
D.O
LED2
O_0/1
I-PU
44
P4_6
D.O
N.C.
O_0/1
I-PU
45
P4_7
D.O
N.C.
O_0/1
I-PU
46
VBAT2
-
VBAT2
-
-
47
CP_C1x
A.I/O
N.C.
A.I/O
A.I
48
CP_C2x
A.I/O
CP_C2x
A.I/O
A.I
49
CP_C1y
A.I/O
N.C.
A.I/O
A.I
50
VBAT3
-
VBAT3
-
-
51
CP_C2y
A.I/O
CP_C2y
A.I/O
A.I
52
CP_VOUT1/LED1
A.O
CP_VOUT1
A.O
A.I
53
CP_VOUT2/LED2
A.O
CP_VOUT2
A.O
A.I
54
PON/P1_6
D.I
CHARGE_DET
I_0/1
I-PD
55
VDD2
-
+1.8V
-
-
56
P2_7/BXTAL
D.O
CLK
O_0/1
I-PU
57
P1_5/INT5/RDI/VDDE
D.I
ROW0
I_0/1
O-1
58
P1_4/INT4/TDOD
D.I
ROW1
I_0/1
I-PD
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