8 SCHEMATIC DIAGRAMS
8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
4
3
1
2
F1101
VSF0243C16
P1101
VJS4283
AC INLET
L1101
ELF15N003A
C1101
0.068
LB1101
VLP0056
C1102
1000P
4
3
1
2
L1102
ELF15N003A
1
2
3
4
LB1105
VLP0056
C1105
400V68
Q1201
PC123ZY2
1
2
3
4
PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF
THE PRODUCTS.
CAUTION
THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY
FROM THE SECONDARY CIRCUIT.
HOT
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
NOTE:THE MEASURMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
NOTE2:THE DC VOLTAGE INDICATED IN PRIMARY SIDE IS SHOWN THE VOLTAGE WHEN
INPUT AC IS 240V.
NOTE1:WHEN MEASURE THE VOLTAGE OR WAVEFORM ON THE POWER TRANSFORMER
CIRCUIT,SET THE GND TERMINAL OF MEASURING POINT AS FOLLOWS.
PRIMARY SIDE.....
SECONDARY SIDE...
D1103
S1WBA80-4062
R S
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
R1113
33
C1111
0.01
D1106
MA185
D1104
MA4027L
R1109
1800
R1111
330
D1105
MA165
C1109
0.047
C1110
0.1
R1112
3.3
Q1104
2SD1992A
(VOLTAGE
CONTROL)
1
2
3
LR1101
VLP0392
R1106
330
C1108
0.022
2
3
4
5
6
7
8
18
17
16
15
14
13
12
11
10
R1110
100K
C1112
1000P
LB1103
VLP0056
R1104
1K
R1105
100
Q1101
2SK2876
(VOLTAGE
CONTROL)
C1107
270P
LB1210
VLP0056
C1201
3300P
Q1102
FS4KM-12A-AS
(VOLTAGE CONTROL)
D1108
11ES1
Q1103
2SC3311A
(VOLTAGE
CONTROL)
R1107
100
R1108
0.51
(1W)
LB1104
VLP0056
R1102
1M
R1103
1M
T1101
G4D2A0000073
P2
P1
B2
B1
S7
S6
S5
S4B
S4A
S2
S3
S1
R1202
270
R1201
2200
C
A
R
R1203
27K
C1207
0.1
R1204
12K
R1205
2200
R1208
8200
R1209
56K
D1201
MA185
D1206
AK04V2
D1207
AK04V2
C1204
10V1200
C1208
10V330
L1202
22u
D1212
AK04V2
D1211
AK04V2
C1210
10V1200
L1103
22u
C1211
10V330
R1206
33K
R1207
39K
UNREG 14.5V
D1203
11EQS10
D1202
11EQS10
C1202
50V56
D1107
MA7510
D1213
0
R
UNREG 6V
R
UNREG 5.6V
R
UNREG 36V
R
GND
TO BOTTOM PLATE
D1208
MA185
C1203
25V820
C1209
25V100
L1201
22u
C1205
50V56
D1209
MA185
2
1
IP1201
VSF0015A04T
R
UNREG -29V
R
HEATER DC(+)
R
HEATER DC(-)
T
C1206
10V100
T :TO TIMER SECTION
IC1201
uPC1093J
648
-152
405
648
0
2.2
2.2
0
2.2
0.3
16.3
0.9
6.1
5.0
4.6
2.5
NV-HS870EG/B/EC
POWER TRANSFORMER
SECTION IN MAIN
SCHEMATIC DIAGRAM
37
Summary of Contents for NV-HS870B
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