Schematic Diagram / L-Type Power Supply Unit (Psu-L) / Kx-Tda0103Xj/X; Main Board - Panasonic KX-TDA0103XJ Service Manual

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

17.1. MAIN BOARD

Rectifier Circuit 1
Z5
L4
D1
Z4
CN103
CN2-1 CN2-2
SUB BOARD 3
Q1
Filter Circuit 1
Rectifier Circuit 2
PFC
control circuit
10
Filter Circuit 2
T1
R26
Vcc feeding circuit
R21
R20
R4
D15
Q2
PFC start-up circuit
4
5
C12
1 2 3 4 5 6 7 8 9
PC2
Iin Vin OVP Vo GND on/off Vcc 100/200
IC1
Q52
D52
R52
D51
Q51
Q53
AC detection circuit
9
8 D303 R319
15V Output Converter
Switching Circuit
R303
T301
R302 Q302
Q301
D301
15V Output Q303
Over Current
Protection Circuit
12
Q304
D318
R318
15V Output Converter Control Circuit
PFC Switching circuit
1
2
BEA1
R35
Q7
PC1
BEA2
R38
D16 D14
Q3
Q4
Q5
CN551 CN552
CN553
CN554
11
13
CN905 CN805
C321
1 1
R321
2 2
3 3
4 4
5 5
6 6
14
FAN(+)
FAN1
KX-TDA0103XJ/X L-TYPE POWER SUPPLY UNIT (PSU-L)
152
C17 3
D19
BEA4
Q6
Q610
Discharge circuit
Battery Operation
Controller Circuit
Q505
Q502
R506
Q503
Q504
R597
CN105
R596
Q591
1
R591
FAN LOCK
3
Q592
FAN(-)
2
FAN Circuit
MAIN BOARD (MPS3802) (1/2)
(1)
Q620
(2)
Sub SW
6
(3)
(4)
R689
(5)
Main SW
Q601
(6)
(7)
Q611
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
D502
(22)
(23)
Q506
Q507
(24)