Schematic Diagram / M-Type Power Supply Unit (Psu-M) / Kx-Tda0104Xj/X; Main Board - Panasonic KX-TDA0103XJ Service Manual

KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X
16 SCHEMATIC DIAGRAM / M-TYPE POWER SUPPLY UNIT
(PSU-M) / KX-TDA0104XJ/X

16.1. MAIN BOARD

Rectifier Circuit 1
Z5
D1
L4
Z4
1 2
CN103
CN2-1 CN2-2
SUB BOARD 3
Filter Circuit 1
Rectifier
Circuit 2
10
Transformer T1
Filter Circuit 2
T1
R21
R20
R4
PFC start-up circuit
Q1
4
C12
1 2 3 4 5 6 7 8 9
Iin Vin OVP Vo GND on/off Vcc
100/200
IC1
Q52
D52
R52
D51 Q51
Q53
AC detection circuit
PFC Switching circuit
Vcc feeding
R26
circuit
D16 D14
Q2
Q3
Q4
R32
Q5
PFC
control circuit
5
KX-TDA0104XJ/X M-TYPE POWER SUPPLY UNIT (PSU-M)
142
3
C17
1
D19
2
Q6
BEA1
R671
Discharge
circuit
15V Output
8
Over Current
Protection Circuit
Q301
CN302 CN301
1 1
2 2
3 3
4 4
Q502
Q503
Battery Operation Controller Circuit
MAIN BOARD (MPS3303) (1/2)
Sub SW
(1)
Q620
(2)
6
(3)
(4)
(5)
Main SW
Q601
(6)
(7)
Q610
Q611
(8)
(9)
(10)
R306
R303
R302
(11)
D301
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
Q505
(20)
(21)
Q504
D502
(22)
Q506
(23)
Q507
(24)
(25)
(26)