
13.11. VHS Audio Section (Main P.C.B.(2/4)) Schematic Diagram (A)
L2_IN_L
A_REG12V
2
1
16V10
C4504
1
2
6200
R4506
1
2
R4505
6200
1
2
47K
R4511
1
2
R4523
47K
1
2
R4524
6200
2
1
C4502
16V10
R4502
47K
2
1
6V22
C4523
1
2
47K
R4509
1
2
R4503
47K
1
2
1
2
R4553
10K
2
1
16V10
C4503
L3_IN_L
IIC_DATA
IIC_CLK
1
TL4501
1
2
R4540
1K
1
2
39K
R4538
2
1
C4517
6V22
2
1
C4516
16V10
OUT_NORMAL
IN_NORMAL
FSC
2
1
16V10
C4526
1
TL4502
1
2
R4539
1K
FM_GND
1
2
K4504
VWJ0795=5
A_GND
1
2
TW4502
VWJ0795=5
L4502
390u
1
2
D4501
B0AACK000004
1
2
680
R4529
ABS_NORM_L
A_H_SW
DREC_H
AR
AL
A_COM
1
2
K4507
VWJ0795=7.5
1
2
K4509
VWJ0795=10
1
2
K4502
VWJ0795=10
1
2
TW4501
VWJ0795=5
1
2
K4506
1 2 0.01
C4518
TUN_L
2
1
C4505
6V33
1
2
R4557
10K
1
2
R4510
6200
1
2
6200
R4512
1
2
75K
R4519
1
2
75K
R4518
1
2
1K
R4525
4700
R4508
2
1
C4513
6V22
FM_MUTE_H
2
1
C4514
16V10
2
1
C4515
6V33
510
R4522
1
2
C4535
0.015[B]
0.047
C4522
1
2
4700
R4520
1
2
R4500
1K
510
R4521
1
2
0.047
C4501
TUN_R
1
2
120K
R4534
1
2
0.22[KB]
C4512
1
2
C4508
0.033[KB]
1
2
C4534
0.015[B]
1
2
C4510
0.01
1
2
C4511
0.1[KB]
1
2
C4509
0.01
2
1
C4507
6V22
2
1
C4506
16V10
1
2
C4537
56P[GC][22]
1
TL4507
R4526
24K
2
1
C4521
16V10
1
2
6800
R4527
L3_IN_R
1
2
R4516
47K
1
2
R4517
6200
1
2
100u
L4503
1
2
R4513
4700
DVD_OUT_L
L1_IN_R
1
2
R4515
56K
1
2
820[D]
R4504
1
TL1002
VHS_L
1
2
C4519
0.1
2
1
C4520
6V22
REF_GND
A_5V
X_SW_5R8V
2
3
1
B1AAGD000016
(2SC1959YT2M)
Q4502
1
2
K4513
VWJ0795=5
1
2
D4502
MAZ4056NHF
(MA4056N-HTA)
VHS_R
1
2
C4774
6800P
1
2
R4501
56K
1
2
C4773
6800P
1
TL4552
DVD_OUT_R
MO_ST_BI
1
2
R4507
4700
2
3
1
Q4501
2SB0710A0L
X_SW12R3V
2
1
C4525
16V100
1
2
L4501
1R2u
1
2
K4702
VWJ0795=20
1
2
0.01
C4538
L2_IN_R
2
3
1
QR4501
UNR521100L
JC_PON
1
2
C4524
0.1[KB]
L1_IN_L
57
59
61
63
64
62
60
58
39
51
53
55
56
54
52
41
49
50
43
45
47
48
46
44
42
40
17
35
37
38
36
19
33
34
21
23
25
27
29
31
32
30
28
26
24
22
20
18
2
4
5
3
1
11
13
15
16
14
12
7
6
9
8
10
23
58
45
44
47
48
46
30
31
32
43
40
41
35
37
36
33
34
39
38
42
28
25
26
24
27
29
55
56
50
51
49
53
54
52
57
62
63
61
19
18
20
3
2
5
4
6
8
7
1
64
15
16
9
13
10
12
11
14
17
22
21
59
60
AN3656NFBPBV
IC4501
V
V
S
S
S
V
S
S
V
V
V
V
I
I
S
S
I
I
(EXT4)
(EXT4)
FM MIX
ENVE
I
S
(TV)
(TV)
L
SW22
MIX
MUTE
SW19
R
SW21
AGC/
SW20
SW18
MIX
HIFI
PNR Rch
R
HIFI
L
L
R
MUTE
NORMAL
L
SW16
MIX
NORMAL
SW17
VCC(5V)
LOGIC
GND
DATA
CLK
REG
L
REC
DET
VCC(12V)
R
NC
AMP
DC OUT R
MAIN OUT
MTS VCC(5V)
SUB LEVDET
GND
AMP
LED PORT L
SIF IN
VCO-f0
adj LOGIN
MAIN REF
DEM REF
DEC(L)SW
DEC(R)SW
ZZ-PROM
AGC/
PNR Lch
SW2
NA0
R
Lch
AGC
REC LPF
PB
NR DET2
SW12
MIX
MUTE CT
Rch
VCO
NR DET1
REC LPF
FMLMT
GND
RECADJ
PBLPF
PBLPF
HPF
HOLD T
SW14
SW13
LINER SW
NOISE EDIT
NR REF
SW15
HA1
L
H
GND
SW11
OUT
AH SW
ENV
CCA 0
HIF/NOR
PB FM IN
VCC
AMP
HEAD
HA2
AMP
DET
REC
SW4
SW9
PC
H/S
PC
Lch BPF
SW NOISE
Rch BPF
AUDIO LIMTER
AUDIO LIMTER
SW NOISE
E3
BS IN[L]
-29dBV
BS IN[R]
E3
INPUT SW(R)
COMP
NAI
SUB REF
E1
E2
CUEDET
REF1
VREF1
INPUT SW(L)
E4
SW1
E2
NR DET1
GND
REF1
E1
E4
CCAOUT
NR DET2
NR REF
VCO
S/H
I
V
V
I
I
V
S
I
I
S
S
V
I
V I
V
I
I
DMR-EH75VP
VHS Audio Section
(Main P.C.B.(2/4))
Schematic Diagram(A)
10
9
8
7
6
5
4
3
2
1
F
E
D
C
B
A
D
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
V:Video Section:(Page: )
C
A:VHS Audio Section:(Page: )
D
S:Syscon/Servo/Timer Section:(Page: )
I:I/O Tuner Section:(Page: )
E
F
DMR-EH75VP
79
Summary of Contents for DMR-EH75VP
Page 6: ...2 2 Precaution of Laser Diode 6 DMR EH75VP ...
Page 8: ...3 Service Navigation 3 1 Service Information 8 DMR EH75VP ...
Page 9: ...4 Specifications 9 DMR EH75VP ...
Page 11: ...11 DMR EH75VP ...
Page 12: ...12 DMR EH75VP ...
Page 13: ...13 DMR EH75VP ...
Page 18: ...6 Location of Controls and Components 6 1 Each Buttons 18 DMR EH75VP ...
Page 19: ...19 DMR EH75VP ...
Page 40: ...10 2 P C B Positions 40 DMR EH75VP ...
Page 50: ...11 1 2 Checking and Repairing of Main P C B 50 DMR EH75VP ...
Page 52: ...11 1 3 Checking and Repairing of RAM Digital P C B Module 52 DMR EH75VP ...
Page 53: ...11 1 4 Checking and Repairing of HDD 53 DMR EH75VP ...
Page 57: ...57 DMR EH75VP ...
Page 120: ...17 1 2 Casing Parts Mechanism Section 2 120 DMR EH75VP ...
Page 121: ...17 1 3 VHS Mechanism Section 121 DMR EH75VP ...
Page 122: ...17 1 4 Packing Accessories Section 122 DMR EH75VP ...