Panasonic KX-TS2368CAW Service Manual ▷ View online
17
KX-TS2368CAW
8.7.
Does Not Hold
Is the unit IN USE LED on?
Check the IN USE LED circuit.
(Red LED remains on.)
Does a charge occur between
Q501 [Q551]* collector and Q502
[Q552]* emitter for a moment?
Check D502, D504, Q504, Q503
[D552, D554, Q554, Q553]*.
(Red and green LEDs are on.)
Check Q506 [Q556]*.
Check Q501, R505, D509, Q502
[Q551, R555, D559, Q552]*.
Plug in tel. to line source. Left
the Handset off hook.
Is the LED on (red)?
Does the LED change from
red to green?
YES
YES Push the Hold Button.
OK
NO
NO
YES
NO
* [ ] : in case of Line2
18
KX-TS2368CAW
9 Disassembly and Assembly Instructions
Shown in Fig -.
To remove -.
Remove -.
1
Lower Cabinet
Screws (2.6 x 12).................................(A) x 5
2
Main P. C. Board
The Main P.C. Board
Battery Box
The Battery Box
3
Operational P.C. Board
Screws (2.6 x 8)....................................(B) x 5
Fig 1
Fig 3
Fig 2
A
B
Battery Box
19
KX-TS2368CAW
10 Miscellaneous
10.1. How to set the flash time and redial time
10.2. Flash Time
D801—D804 are used for default setting.
When you change the flash time, do the following procedure.
In case the program should be set frequency, change the default at D801—D804, then set the program.
When you change the flash time, do the following procedure.
In case the program should be set frequency, change the default at D801—D804, then set the program.
0= Without
1= With
10.3. Redial Time
0= Without
1= With
1= With
FLASH TIME
700 msec. 600 msec. 400 msec. 300 msec. 250 msec. 200 msec. 110 msec. 100 msec. 90 msec.
80 msec.
D801
D802
D803
D804
1
0
0
0
0 0
0
0
0
1
1
0
0
0
0 1
1
1
1
0
1
0
0
1
1 0
0
1
1
0
1
0
1
0
1 0
1
0
1
0
Auto Redial Times
D805
D806
15
10
4
Once
0
0
1
1
0
1
0
1
20
KX-TS2368CAW
10.4. IC Block Diagram
10.4.1. IC801
Pin
Description
I/O
High
Hi-z
Low
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Pin
Description
I/O
High
Hi-z
Low
D.I
Key In
Active
Non Active
-
D.I
Key In
Active
Non Active
-
D.I
BATT.OUT
None
Battery provided
-
D.O
Strobe
Active
-
Non Active
D.O
Strobe
Active
-
Non Active
D.O
Strobe
Active
-
Non Active
D.O
Strobe
Active
-
Non Active
D.O
Strobe
Active
-
Non Active
D.O
Strobe
Active
-
Non Active
D.O
Strobe
Active
-
Non Active
D.O
Strobe
Active
-
Non Active
D.O
D.O
D.O
PULSE
Make
Break
-
RLY
OFF
ON
-
D.O
L_SEZ/P_MUT
OFF
ON
-
D.O
HOLD_MUSIC
Music stop
Music output
-
D.I
BATT.LOW
BATT.LOW
NORMAL
-
D.I
HEAD_DET
Headset_off
Headset_on
-
D.I
TONE_DET
Tone
None
-
D.O
NC
Fixed
-
-
D.O
SP_VOL1
Low
-
High
D.O
SP_VOL2
Low
-
High
D.O
SP_VOL3
Low
-
High
D.O
HS_VOL1
Hi
Low
-
D.O
HS_VOL2
Hi
Low
-
D.O
HS_VOL3
Hi
Low
-
D.O
D.O
D.O
NC
Fixed
-
-
SP_CS
On
Off
-
D.O
DTMF
Active
Active
-
D.O
Vtref
-
-
-
A.I
Loop
-
-
-
D.I
EX_HOOK
Normal
ON->OFF_HOOK
-
D.O
CVCC
-
-
-
-
X1
Active
Active
-
-
X2
Active
Active
-
-
GND
Fixed
-
-
-
OSC2
Active
Active
-
-
OSC1
Active
Active
-
-
TEST terminal
Fixed
-
-
-
Power supply
-
Fixed
-
D.I
RESET
Reset
Normal
-
D.I
STOP input
Stop
Normal
-
D.O
LCD_CLK
Active
Active
-
D.O
LCD_CS
Active
Normal
-
D.O
LCD_DATA
DATA
DATA
-
D.I
NC
Fixed
-
-
D.O
TX_VOL_DOWN
Vol Down
-
Normal
D.O
RX_VOL_DOWN
Vol Down
-
Normal
D.I
HOOK_SW
Off-Hook
On-Hook
-
D.O
LCD_CNT2
Dark
Bright
-
D.O
LCD_CNT1
Dark
Bright
-
D.O
MUTE_LED
ON
-
OFF
D.O
SP_LED
ON
-
OFF
D.O
SP_TXMUTE
Unmute
Mute
-
D.O
RXMUTE
Unmute
Mute
-
D.O
BEEP OUTPUT
Active
Active
-
D.O
HS_TXMUTE
Unmute
Mute
-
D.O
GAIN_CTL
Headset
Handset
-
D.O
NC
Fixed
-
-
D.I
TEST_MODE
TEST_MODE
Normal
-
D.I
Key In
Active
Non Active
-
D.I
Key In
Active
Non Active
-
D.I
Key In
Active
Non Active
-
D.I
Key In
Active
Non Active
-
D.I
Key In
Active
Non Active
-
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