Grundig GMI8500, Руководство по обслуживанию

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8.7. POWER SCHEMATIC DIAGRAM
24 23 22 21 20 19 18 17
OX3
CTL1 CTL2
IN3+
IN3- FB3
DTC
OY3
+
-
ERROR
AMPLIFIER
9
10
11
12
13
14
15
16
VE3
OUT3
VCC
VSS
VE1
OUT1
DTC1
OUT2
REFFERENCE
REGULATOR
1 2 3 4 5 6 7 8
VE2 IN2+ IN2- FB2 OY2 OX2 OY1 OX1
-
+
ERROR
AMPLIFIER
+
+
-
C
ERROR
AMPLIFIER
32
31
30
29
28
27
26
25
VCC
VREF
CT
RT
SCP
IN1+
IN1-
FB1
VREF
VREF
PWM
COMPARATOR
VREF
-
+
+
-
PWM
COMPARATOR
-
+
ERROR
AMPLIFIER
B
-
-
-
+
B
C
A
R
FF
S
VREF
VREF
LATCH
SCP
TRAIANGLE
WAVE
OSCILLATOR
A
P ON
LI BATT(+)
1
2
3
4 BATT D
TO
REAR CASE UNIT
PS1003
BATT T
BATT
LI BATT(+)
R1699
1K
R1601
K5H252A00004
C1035
1000P
R1024
47
C1037
470P
C1027
100P
R1016
15K
C1028
0.47
R1018
150
C1030
4700P
R1603
680K
R1602
120K C1041
0.01
R1067
22K
R1066
3900 C1046
0.01
QR1005
RN1112F
R1068
3900
Q1010
2SA1832FY
R1014
1800
R1015
1800
C1026 F2H1C100A001
R1017
1K
R1019
3300
C1024 1
R1012 18.7K
R1069
100K
C1033
1000P
R1021
33
C1034
1000P R1073
100
R1020
150
C1032
1000P
R1022
22
R1023
1800
C1025
0.1
R1052
82K
C1051
0.33
QR1001
RN2102F
1 2
C1001
2.2
C1071
1
L1001
G1C4R7MA0024 2 1
L1007
G1A470E00005
C1008
2.2
C1009
1500P
R1086
1K R1039
D1BB5600A010
C1081
0.047 R1006
2700
R1005
4700
2 1
L1002
VLQ0827M220T
R1085
1K R1038
D1BB4700A010
C1080
0.047 R1002
2000
R1001
7500
1 2
L1003
G1C4R7MA0024
4
1 2 3
R1071
1K
R1072
100K
1
2
3
8
7
6
3 2 1
Q1004
2SD2210
C1012
1000P
R1007
33
T1001
G5DYA0000025
C1014
2200P
R1008
18K
R1040
D1BB10000002
R1009
1500
C1019
0.33
D1020 MA2J11100L D1009 B0BC02200007
L1010
G1C100KA0019
C1005
1
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
IC1001
BA9706K
QR1061
RN2111F
C1603
1000P
R1025 22K
C1004
1000P
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.
R1013 47K
D1015
B0JCMD000003
C1003
2.2
VREF
5
6
C1602
0.1
BATT T
BATT D
D1602
B0BC01600010
D1604
B0BC01600010
1 2 3
Q1001
2SB1424
NOREG GND
DC IN
Q1003
MPL1
5 4
BL CTL
REG 4.8V
CAP SW
S REG 3V
EVF CTL
MONI CTL
C P ON
NOREG GND
V REF
BAT
NOREG
TO
SYSTEM
D1801
MA2J11100L
3
1 2
D1004
B0ADEJ000013
R1063
10K
L1015 ELJPA470KF
R1035
47
D1003
MA2J11100L
C1020
0.33 C1022
0.1
L1011
G1C101K00021
C1017
25V1
D1002
MA2J11100L
A
C
D
E
F
G
H
I
J
K
L
N
M
O
P
Q
R1057
1800
CAP GND
CYL GND
LD GND
MONI GND
AF GND
TO
SUB SERVO
TO
LCD
TO
LENS DRIVE
34
41
81
36
37
38
39
33
82
40
48
35
83
47
46
8
7
9
7
2
R1087
1K
C1082
0.01
C1601
0.1
MONI BL 5V
C1015
1
2 1
L1005
G1C4R7MA0024
TO
LCD
6
H
L
H
H
TL1002
(BUFFER)
(SWITCHING 4.8V)
(POWER CONTROL)
SWITCHING
3V
SWITCHING
REGURATOR
SWITCHING
NOREG
ERROR VOLTAGE
DET
ERROR VOLTAGE
DET
TL1001 TL1003
CL1601
CL1602
CL1603
CL1604
CL1605
CL1001
2.3
1.7
0.3 7.0
1.7
6.9
0
6.9
6.9
0.2
6.9
6.9
1.9 1.2
0
1.2
6.9
2.4
1.7
0.9
0
1.2
1.2
1.6
0.3
0
0.3
6.9
0.4
2.7
6.4
0
6.6
1.1
1.8 1.2 1.2 6.7 2.4 6.3 1.6 0.3
6.9
3.3
4.9 6.4
6.9 6.6
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