A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
YSP-1100
67
★
All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
INPUT 2/2
11.5
6.7
11.6
2
3
6.6
6.1
11.6
10.9
11.8
11.8
12.0
11.6
11.8
11.8
11.8
11.8
7.1
11.5
10.9
6.4
10.6
9.8
9.6
8.9
0
2
3
6.1
0
A-1
~
~
~
~
15.4
~
~
~
~
~
~
~
~
~
0
0
5.2
5.2
2.5
2.5
0
15.4
12.0
0
12.0
5.1
12.0
5.1
0
15.4
15.4
12.0
0
-29.4
4.0
3.3
10.4
0
0
0
0
0.1
3.1
0
0.1
3.1
3.3
0.1
0
0
0.1
~
~
~
~
~
~
~
~
~
~
1.0
~
~
~
~
~
~
~
~
0
10.4
1.2
10.4
0.1
2.5
3.2
~
~
~
~
~
~
~
~
~
~
0
4.0
3.2
0.8
0
4.0
3.2
10.4
4.0
0
-29.4
-24.9
0
-24.3
12.0
0
15.4
15.4
12.0
10.4
4.0
5.2
5.2
10.4
5.2
15.4
~
~
~
15.4
~
~
~
~
~
~
~
~
~
~
5.0
4.0
~
~
AC 3.9
POINT
A-1
D521 (C)
AC cable ON
Q504 (C)
AC cable ON
AC cable OFF
IC509
: NJM78M05FA
IC510, 511
: NJM78M12FA
Voltage regulator
INPUT
OUTPUT
COMMON
IC505
: FA3641N-H1-TE1
PMW control IC
REF
FB
5V
VCC
EMB
5V REF
0.82V~0.68V
8.5V~7.9V
6.5uA
0.9mA
0.8V
CS
VCC
15.5V
15.5V
UVL0
16.5V/9V
OUT
GND
RT
IS+
EMB
OUTPUT
R
QB
FF
Q
S
PWM
0.24V
OSC
RM
RT
Dmax
70%
3.0V
4V
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
–
–
IC502
: TC4013BP
Dual D-type flip flop
4
RESET1
1
Q1
6
SET1
5
DATA1
CL
3
CLOCK1
CL
CL
CL
CL
CL
2
Q1
10
RESET2
13
Q2
8
SET2
9
DATA2
7
VSS
14
VDD
11
CLOCK2
12
Q2
CL
CL
CL
CL
CL
CL
7
2
1
3
4
5
6
8
-
+
Error Amp.
Star
ter
V
o
ltage
Ref
e
rence
Input Short Circuit
Protection
Ov
er Current
Protection
Over Current
Protection
Rush Current
Protection
Thermal
Protection
IN
1
GND
3
OUT
2
IC506
: AN77L04
Low dropout voltage regulator
CATHODE
REFERENCE
ANODE
K
A
R
IC507
: NJM431
Adjustable precision shunt regulator
1 5
2
3 4
PIN FUNCTION
1.
OUTPUT
2.
GND
3.
+INPUT
4.
-INPUT
5.
V
+
IC401
: NJM2716F
Single supply single high-slew rate operational amplifier
1
2
3
5
4
7
6
8
1. A OUTPUT
2. A -INPUT
3. A +INPUT
4. GND
5. B +INPUT
6. B - INPUT
7. B OUTPUT
8. V
+
IC402
: NJM2717M
Single supply single high-slew rate operational amplifier
1
2
Anode
Cathode
4
3
Collctor
Emitter
IC501, 503, 504, 512:
TLP421
Photo transistor
Page 68
to OPERATION (4)_CB301
C3
Page 64
to AMP (2)_W501
M4
Page 65
to AMP (1)_W701
L4
Page 63
to DSP_W1
L3
Page 66
to INPUT (2)_W505
J7
INPUT (1)
SWITCHING
POWER SUPPLY
RESET
CIRCUIT
INPUT (3)
to POWER CABLE
5 k-ohms
10 W
Safety measures
• Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such as wearing insulating gloves.
• Note that C523 is dangerous even after the power is turned off because an electric charge remains and a high voltage continues to exist there.
Before starting any repair work, perform discharge by connecting a discharge resistor (5 k-ohms/10 W) between C523 terminals.
安全対策
・この製品の内部には高電圧部分があり危険です。修理の際は、絶縁性の手袋を使用するなどの安全対策を行ってください。
・C523には電源をOFFにした後も電荷が残り、高電圧が維持されており危険です。
修理作業前に放電用抵抗(5 kΩ/10 W)をC523の端子間に接続して放電してください。
(IR OUT)
Содержание YSP-1100U
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