Panasonic EASA-PHONE KX-T2355 Service Manual And Technical Manual page 5

Ci
Rt
RO
SS) DIODE
BRIDGE
SAI
BLOCK DIALGRAM
oe ee ee ee ee eee 1
D1~D4 1
DIODE — RINGER |
BRIDGE CIRCUIT a (| ieee
IC2, Q4, Q18
| RECEIVING, maces MIC
DIAL TRANSMITTING SPEAKER |
PULSE AND PHONE
- SWITCH ADDRESS AMP
SIGNALS ral — L_ sf
Q5, 6, 10, 11
PT | mc
HANDSET
AMP
Q13
DC
REGU-
LATOR
J tc
CPU WITH ~ — Q7~9, 12, 14~17, 19
KEY BOARD
MEMORY AND:
CIRCUIT DTMF OUTPUT
CONTROL
CIRCUIT
3
eran eee
cee eee
DO IN
JACK
12V