Table of Contents
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AG-520VDH
MAIN II SCHEMATIC DIAGRAM
TO M VI
9
SW+5V_VIDEO
TO M I
54
AUDIO_MUTE_H
TO M I
49
HSW
LSEK0540
P3503
1
LSEK0540
P3502
1
TO M I
42
TR_ENV
HIFI_HEAD_L
TO M IV
56
C3048
TO M IV
57
HIFI_HEAD_F
C3054
C3055
100/6.3V
0.1[KB]
TO M IV
58
HIFI_HEAD_R
L3008
UPPER CYLINDER UNIT
56U
HIFI AUDIO
K1MN09A00029
P3501
R HEAD
9
AR
9
HIFI AUDIO
8
A COM
8
L HEAD
7
AL
7
VIDEO SP
6
SP L
6
L HEAD
5
SP COM
5
VIDEO SP
L3010
PT
4
SP R
4
R HEAD
3
EP L
3
VIDEO LP/SLP
2
EP COM
2
L HEAD
L3009
PT
1
EP R
1
VIDEO LP/SLP
R HEAD
L4051
C4054
C4052
WA7.5
220/6.3V
0.1
R4063
C4041
FULL ERASE
270
2R2/50V
HEAD
AE/NO_AE
C4062
K1MZ02A00003
P4001
PT/WA5
33/16V
1
FE+
1
C4016
15P[JC]
L4004
L4005
2
FE-
2
C4063
PT
WA7.5
3R3/50V
J4103
PT
L4003
AUDIO CONTROL/ERASE
27U A,B,C
R4015
C4042
HEAD UNIT
15U
D,E,F
15K
4R7/25V
R4071
15K
K1MN06A00030
P4002
C4065
AUDIO
1800P[KB]
ERASE
1
AE(+)
1
HEAD
AE(-)
2
2
AUDIO
3
A HEAD(PB)
3
HEAD
A HEAD(REC)
R4081
4
4
8200
J4152
CONTROL
CTL(-)
WA15
5
5
HEAD
6
CTL(+)
6
TO M I
38
CTL+
C4082
470P
CTL-
TO M I
37
R4040
PT
Q4081
UNR21110L
TO M I
47
NA_PB_SW_ON_L
AUDIO
DELAY REC
ON-OFF
R4084
1K
Q4082
R4039
2SD1819AHL
PT
AUDIO
DELAY REC
ON-OFF
R4085
1K
Q4083
2SD1819AHL
AUDIO
R4101
DELAY REC
ON-OFF
120K
TP4101
R4104
PT
PT
T4101
TP4102
G2A342C00004
R4102
PT
18K
L4101
3
4
470U
*
TO M I
2
V_D_REC+12V
2
5
C4102
5600P
1
6
C4103
Q4101
0.01[KB]
TP4103
2SD0601A0L
PT
C4101
( BIAS OSC )
PT
C4106
R4103
22/16V
C4104
27K
0.01[KB]
TO M I
35
CYL_MOTOR_GND
*
R4007
1500
TO M IV
59
HIFI_D-REC+5V
*
R4008
1500
R4605
R4607
5600
5600
R4606
390K
390K
24
23
22
IC4601
C1BB00000815
AUDIO SOUND
PROCESSOR
1
2
3
C4623
1/50V
Q3007
L3005
C3056
PT
33U
C3032
0.1[KB]
47/6.3V
PT
L3007
C3045
C3043
R3027
VIDEO ENV
PT
PT
PT
TP3002
C3033
WA7.5
0.22[KB]
R3026
R3028
PT
L3006
PT
PT
X3001
H0D357400068
R4018
10K
R3022
R3025
PT
C3029
15K
0.01
C3028
0.01
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
81
50
82
49
0.1
83
48
84
47
C3049
0.01[KB]
85
46
86
45
0.01[KB]
C3050
87
44
88
43
C3051
0.01[KB]
89
IC3001
42
C1AB00002002
90
41
VIDEO/AUDIO
C3052
0.01[KB]
SIGNAL PROCESS
91
40
/HEAD AMP
92
39
C4053
1000P[KB]
93
38
R4062
C4061
0.01[KB]
10K
94
37
R4061
330K
95
36
96
35
97
34
C4064
1800P[KB]
98
33
99
32
100
31
C4018
22/6.3V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
C3015
C4010
C3007
0.1[KB]
C3012
10/16V
33P
0.1[KB]
C3010
C3009
1[KB]
1[KB]
C3011
L3001
R4012
R3006
C3013
4700
270U
1[KB]
C4009
6800
0.22[KB]
10/16V
C3004
150P[JC]
R4011
R3005
C3006
8200
0.1[KB]
1500
R3007
R3008
4700
0
R3001
R3002
8200
3900
Q3001
5
4
UNR221300L
FL4051
( INVERTER )
PT
1
2
3
R4052
TP4003
PT
R4010
100
C4011
1500P
TP4002
WA17.5
J4052
PT
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
U7001
(
UHF/VHF TUNER
)
1
2
3
4
5
6
7
8
9
10
11
R4610
R4611
100
100
L7001
C4619
10U
C7006
PT
R4608
0.33[KB]
C7040
D7001
PT
56P[JC]
PT
C7007
21
20
19
18
17
16
15
14
13
C7008
10P
C7009
PT
D7003
PT
D7004
PT
10
12
4
5
6
7
8
9
11
C4622
R4602
1/50V
4700
4700
C4624
R4601
1/50V
C4617
C4616
C4629
0.01
1000/16V
PT
Q3006
2SD1819A0L
D4601
B0AAML000001
(
BUFFER
)
L4601
R3020
1K
100U
C3053
R3018
PT
1K
R3021
2200
Q3005
UNR221100L
SWITCHING
Hi-Fi ADJ
ON-OFF
Q4751
PT
C3026
0.01[KB]
C3025
47/6.3V
L3003
C3023
68U
R3017
10/16V
C3024
PT
330P[JC]
TP3012
PT
R3015
Q3004
PT
PT
R3016
C3022 0.01
PT
C3021 0.01[KB]
R3014
6R8M
C3020
3R3/50V
C3019
0.1[KB]
C3018
0.1[KB]
C3017
0.1[KB]
C3016
1[KB]
SYNC
R3013
PT
J4702
L3002
WA5
15U
C3014
TP3001
47/6.3V
R3012
WA20
1800
8
7
6
R3011
Q3003
1K
2SB0709A0L
IC4701
PT
(
BUFFER
)
R3010
Q4701
Q3002
1K
PT
2SD0601A0L
(
BUFFER
)
1
2
3
R3009
PT
1200
J3001
J4701
WA5
U4501
LXPUS01275
HEAT_SINK
IC4501
C1BA00000367
(AUDIO AMP)
AMP
POP NOISE
RIPPLE
AMP
PREVENTION
FILTER
GND
Vcc
NC
GND
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
J4501
WA15
R4503
TP4501
10K
WA5
C4503
1200P[KB]
R4502
TP4507
TP4508 PT
1K
WA7.5
TP4502
WA5
L_OUT
R4506
4700
TP4509
PT
R_OUT
40
NOTE:
NOTE: For placing a purchase order of the parts,
PARTS MARKED "PT" ARE NOT USED.
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
12
13
14
15
16
17
C7011
D7002
PT
REC VIDEO SIGNAL
PB VIDEO SIGNAL
REC AUDIO SIGNAL
PB AUDIO SIGNAL
J7032
PT
Q7031
2SB0709A0L
(
BUFFER
)
R7021
PT
Q7021
PT
J7031
SIF_OUT
0
R7022
R7023
TNR_GND
PT
PT
IIC_DATA
IIC_CLK
IIC_GND
TNR_VIDEO
AUDIO_OUT_LCH
AUDIO_OUT_RCH
AUDIO_OUT_GND
REAR_AUDIO_LCH
REAR_AUDIO_GND
REAR_AUDIO_RCH
SW+9V
SW+12V
TP9553
TP9554
J4751
WA7.5
WA7.5
D9501
WA5
C4752
MA2C165001VT
PT
JK9501
D9502
8
7
6
5
MA2C165001VT
RCH
AUDIO
OUT R-CH
IC4751
AUDIO
PT
L4504
OUT L-CH
J0JBC000014
LCH
D9503
MA2C165001VT
1
2
3
4
J9501
PT
D9504
MA2C165001VT
TP4004
JK9502
WA10
C4754
0
AUDIO
PT
R9502
IN R-CH
C9501
TP4001
J4752
PT
0
R9503
WA10
WA5
C9503
AUDIO
PT
IN L-CH
D9507
VIDEO
MA2C165001VT
IN
D9508
MA2C165001VT
REAR_VIDEO
D9506
MAZ40510MF
(5.1V)
WA10
TP9501
D9505
MAZ40510MF
(5.1V)
FRONT_AUDIO_LCH
FRONT_AUDIO_GND
FRONT_AUDIO_RCH
TP4591
PT
C4708
D4592
D4591
MAZ42400MF
MAZ42400MF
PT
(24V)
(24V)
L4502
L4501
R4591
J0JBC0000014
J0JBC0000014
JK4591
5
K2HC103B0047
680
L4503
[S2]
RCH
J0JBC0000014
HEADPHONE
R4592
JACK
[S2]
680
R4593
TP4592
[S2]
680
PT
R4594
LCH
D4594
D4593
4
[S2]
680
MAZ42400MF
MAZ42400MF
(24V)
(24V)
D4507
MA2C165001VT
C4707
PT
D4508
MA2C165001VT
JK4702
TP4014
R4703
WA7.5
0
D4715
AUDIO
TP4011
C4717
MA2C165001VT
IN R-CH
PT
R4701
WA7.5
0
D4716
TP5019
C4709
AUDIO
WA7.5
PT
IN L-CH
MA2C165001VT
D4717
VIDEO
D4710
MA2C165001VT
IN
R4710
MAZ40510MF
75
(5.1V)
D4718
MA2C165001VT
D4711
FRONT_VIDEO
MAZ40510MF
(5.1V)
P4501
(
TO SPEAKER L-CH
2
SP_OUT_L
1 SP_OUT_GND
P4502
(
TO SPEAKER R-CH )
2
SP_OUT_R
1
SP_OUT_GND
85
TO M IV
TO M IV
84
16
TO M I
15
TO M I
TO M I
14
83
TO M III
82
TO M IV
TO M IV
81
TO M IV
80
TO M IV
79
78
TO M IV
77
TO M IV
76
TO M III
1
TO M V
75
TO M III
74
TO M IV
TO M IV
73
72
TO M IV
71
TO M III
)
LINK TO VOLTAGE CHART
LSJB2217
MAIN II SCHEMATIC DIAGRAM
AG-520VDH
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