Service manual

RCD1200M
11 – 4
[2] Figure S-2. Switching Power Supply Unit Circuit
4,5
Output
Input
R27 R26
IC21
C23R23
PC1A
2 1
R24R25
C22
+
R21
L21
ZD21
C13
CN21
2 1
C24
F21
D7
R11
C7
C9
+
C10
+
C8
PC1B
4 3
R7
R22
C21
T1
12
2
10
8 7
4 3
FB1
D6
R6
C6
R3R4R5
C5
+
C1
CN1
3 2 1
C14
C11 C12
R1R2
TH1
R10
D5
IC1
5
3
2
1
4
6 8
7
NC
DRV
CS
FB
ADJ
VCC
HV
GND
VZ3
D21
D8
L1
D1
R9
D2
D4
D3
Q1
R8
ZD2
VZ1
ZD1
F1
12
VZ2
CD1