Panasonic KX-TS3282B Service Manual page 78

SP
H/S
MIC
Headset
SP-PHONE IC
Q420
MIC
SP-TX AMP
Comparator
SP-RX AMP
Q411
IC401
SP
IC302
SP-PHONE
VOL
IC806
LCD
LCD
INTERFACE
KEY
MATRIX
LED LED
DRIVER
IC605
Q354, Q355
AMP
AMP
Q301, Q303
DTMF
SP-PHONE CS
SP-PHONE VOL
S_TONE DET.
LCD DATA
CPU (IC801)
KEY A~D INTERCOM-CONT
LED
SP-PHONE, EXT1-8
LINE1, LINE2, INTERCOM
CROSS POINT SW
(IC301)
10 5
AMP 7 12
Q300
9 6
8 11
IC504
STT-TONE
(
Detection
C-ID
Modem
IC502
IC802
EEPROM
D101
Q155
1 4
L1-TR
SIDE_TONE
RLY
_CIRCUIT
2 3
D201
1 4
L2-TR
2 3
RLY
NC
Line
SW
IC503
RESET/POWER
5.6V 8.0V
DOWN REG REG
Q602, IC602 Q601 IC603
IC601
BATTERY
IC701
INTERCOM
6
MOD/DEMOD
5
8
KX-TS3282B: BLOCK DIAGRAM
LINE1/2
1
POS1
2
3
4
BELL PC5
IC101
C-ID
PreAmp
LINE2
POS2
1
2
BELL PC6
C-ID
PreAmp
IC201
DC_JACK
1
2
7
1
C717
3
2
T701