Panasonic KX-TG7851UAB / KX-TG7851UAH / KX-TG7861UAB / KX-TGA785RUB / KX-TGA785RUH Service Manual ▷ View online
17
KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
SIGNAL ROUTE
ROUTE
IN
OUT
SIGNAL
Memo/OGM
Recording
(from Handset)
Recording
(from Handset)
ICM Recording
(from Tel Line)
(from Tel Line)
(BASE UNIT)
from HANDSET ANT1 - C851 –– DA802
from HANDSET ANT1 - C851 –– DA802
IC501 (RXn) ––
ANT2 - C853 – IC501 (RXp) –
IC501 (LSRp) - IC601 (5)
(BASE UNIT)
A –––––––– D101 - Q141 - Q161 - R164 - C173 - R178 - IC501 (MICn) - IC501 (SPI_DO) - IC601 (5)
B - P101–
A –––––––– D101 - Q141 - Q161 - R164 - C173 - R178 - IC501 (MICn) - IC501 (SPI_DO) - IC601 (5)
B - P101–
Message Play
(to Handset)
(to Handset)
(BASE UNIT)
IC601 (2) - IC501 (SPI_DI) IC501 (TXp) C803 -
IC601 (2) - IC501 (SPI_DI) IC501 (TXp) C803 -
(BASE UNIT)
IC601 (2) - IC501 (SPI_DI) - IC501 (LSRp) - C184 - Q161 - Q141 - D101 A
IC601 (2) - IC501 (SPI_DI) - IC501 (LSRp) - C184 - Q161 - Q141 - D101 A
Message Play
(to Tel Line)
(to Tel Line)
Message Play
(to Base Unit)
(to Base Unit)
(BASE UNIT)
IC601 (2) - IC501 (SPI_DI) IC501 (SPp)
IC601 (2) - IC501 (SPI_DI) IC501 (SPp)
IC501 (SPn)
IC501 (TXn)
DA802
C851 - ANT1
C853 - ANT2
to HANDSET
(HANDSET)
from BASE UNIT ANT - C801–– IC1 (1)
from BASE UNIT ANT - C801–– IC1 (1)
– IC2 (2)
IC1 (35) - SP (–)
IC1 (37) - SP (+)
P101 - B
for KX-TG7861 only
(HANDSET)
MIC (+) - C13 - IC1 (17) IC1(86)
MIC (–) - C11 - IC1 (18) IC1(87) C859 - C801 - ANT to BASE
MIC (+) - C13 - IC1 (17) IC1(86)
MIC (–) - C11 - IC1 (18) IC1(87) C859 - C801 - ANT to BASE
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KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
5 Location of Controls and Components
Refer to the Operating Instructions.
Note:
You can download and refer to the Operating Instructions (Instruction book) on TSN Server.
6 Installation Instructions
Refer to the Operating Instructions.
Note:
You can download and refer to the Operating Instructions (Instruction book) on TSN Server.
7 Operating Instructions
Refer to the Operating Instructions.
Note:
You can download and refer to the Operating Instructions (Instruction book) on TSN Server.
7.1.
For Service Hint
Items
Contents
Battery
You could use other rechargeable batteries sold in a market, but the unit is not guaranteed to work
properly.
properly.
The battery strength may not be indicated correctly if the battery is disconnected and connected again,
even after it is fully charged. In that case, by recharging the battery as mentioned in the Operating
Instructions, you will get a correct indication of the battery strength.
even after it is fully charged. In that case, by recharging the battery as mentioned in the Operating
Instructions, you will get a correct indication of the battery strength.
PIN Code
Recall
Earth Recall feature is not supported in this model.
L Change the PIN using the following method.
1
2
2
7
3
Enter the new 4-digit base unit PIN.
i
M
i
{ic}
#
1 (right soft key) 132
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KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
8 Service Mode
8.1.
Engineering Mode
8.1.1.
Base Unit
Important:
Make sure the address on LCD is correct when entering new data. Otherwise, you m ay ruin the unit.
9). Press
(off) to return to standby mode.
After that, turn the base unit power off and then power on.
_ _ _ _ _ _
This pictured model is KX-TG7861.
Soft keys
Navigator key/
?
(Volume) key
{OFF}
Dial keypad
1). Press
{
}
.
2). Select "Initial Setup" using or
then press
then press
{
OK
}
.
H/S key operation
H/S LCD
{^} {V}
4). Enter "7", "2", "6", "2", "7", "6", "6", "4".
Note: 7262 7664 = PANA SONI
(see letters printed on dial keys)
6). Enter " ", " ", " ", " " (Address). (*1)
7). Enter " ", " " (New Data). (*1)
5). Select "Write EEP" using or
then press
then press
{
OK
}
or
{>}
.
{^} {V}
3). Select "Line Setup" using or
then press
{
OK
}
or
{>}
.
{^} {V}
Set Addr.:
Ringer Setup
Time Settings
Handset Name
Key Finder Setup
Caller Barred
Handset Name
Key Finder Setup
Caller Barred
OK
OK
OK
Default Data
Set Addr.:
C
OK
New Data
Set Addr.:
C
OK
8). Press , a long confirmation beep
will be heard.
{
OK
}
Initial Setup
Answer System
OK
OK
Auto Talk
Line Setup
Privacy Mode
Base Unit PIN
Repeater Mode
Base Unit PIN
Repeater Mode
Read EEP
Write EEP
Get S/W Ver
Service Mode
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KX-TG7851UAB/KX-TG7851UAH/KX-TG7861UAB/KX-TGA785RUB/KX-TGA785RUH
Frequently Used Items (Base Unit)
ex.)
Note:
(*1) Refer to Registering a Handset to a Base Unit in the Operating Instructions.
(*2) When you enter the address or New Data, please refer to the table below.
(*2) When you enter the address or New Data, please refer to the table below.
(*3)
Items
Address
Default Data
New Data
Remarks
C-ID(FSK) sensitivity
06 B9/06 B8
00/51
00/39
(3 dB up)
00/28
(6 dB up)
When the hex change from 00/51 to 00/39 or
00/28, gain increase by 3 dB or 6 dB.
00/28, gain increase by 3 dB or 6 dB.
C-ID(DTMF) sensitivity
06 BF/06 BE
08/00
0B/4C
(3 dB up)
0F/F6
(6 dB up)
When the hex change from 08/00 to 0B/FC or
0F/F6, gain increase by 3 dB or 6 dB.
0F/F6, gain increase by 3 dB or 6 dB.
Frequency
00 08/00 07
02/70
-
-
Use these items in a READ-ONLY mode to
confirm the contents. Careless rewriting may
cause serious damage to the computer system.
confirm the contents. Careless rewriting may
cause serious damage to the computer system.
ID
00 02~00 06
Given value
-
-
Bell length
03 7D
32 (5 sec) (*3)
1E (3 sec)
14 (2 sec)
This is time until bell stops ringing.
(Unit: 100 msec)
(Unit: 100 msec)
PULSE Dial speed
(10PPS -> 20PPS)
(10PPS -> 20PPS)
03 57
28 (40 msec)
(*3)
11 (17 msec)
-
This is pulse make time.
(Unit:1 msec)
(Unit:1 msec)
03 58
3C (60 msec)
(*3)
21 (33 msec)
-
This is pulse break time.
(Unit:1 msec)
(Unit:1 msec)
03 6C
57 (870 msec)
(*3)
2C (440 msec)
-
This is interdigit time in pulse mode.
(Unit:1 msec)
(Unit:1 msec)
Desired Number (hex)
Input Keys
Desired Number (hex)
Input Keys
0
0
A
[R] + 0
1
1
B
[R] + 1
.
.
C
[R] + 2
.
.
D
[R] + 3
.
.
E
[R] + 4
9
9
F
[R] + 5
Bell length
32 (hex) = 50 (dec)
50 100 msec = 5000 msec (5 sec)
PULSE Dial speed
(10PPS -> 20PPS)
(10PPS -> 20PPS)
28 (hex) = 40 (dec)
40 1 msec = 40 msec
3C (hex) = 60 (dec)
60 1 msec = 60 msec
57 (hex) = 87 (dec)
87 10 msec = 870 msec
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