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22.7. A / V I / O Schematic Diagram
LB43701
J0JHC0000032
REG.+5V
TO P4501
MAIN P.C.B.
(Hi-Fi AUDIO SECTION)
PS43001
A23
G X SW 13V
REG5V
1
2
X SW+13V
AADC IN L 3 A1 C44038
AADC IN R 4 A2 16V47
5
PROUT DM 6 A3
C44031 R44059
PBOUT DM 7 A4 150P 47K
GPYOUT DM 8 A5
V GND 9 R44055 R44054
YOUT DM 10 A6 6.8K 6.8K
V GND C44043 C44044 C44033 C44037
11 0.1 16V1000 0.1 16V220
PR OUT 12 A7
PB OUT 13 A8
PY OUT 14 A9
RGB H 15 A10
AUDIO MUTE2 H 16 5 4 8 7 6 5
MIX L OUT DM A12
IN2-
IN2+
17 VIN VOUT
VCC
VO2
MIX R OUT DM 18 A13
REG.
IC44003
C0CBCDC00028 - +
F
ON(H)
GND
(SWITCHING REG.)
NR
3
IC440
1 2 3 C0AA
D44501 (AUDIO
MA3Z142D0LG
1 2 - +
IN1+
VO1
VEE
IN1-
C44058
R44501 R44502 0.1
1 2 3 4
2700 2700 C44036 R44060
16V47 47K
Q44501 Q44502
2SD132800L 2SD132800L
(MUTE) (MUTE)
R44058 C44032
6.8K 150P
TO P4502
E MAIN P.C.B.
(Hi-Fi AUDIO SECTION)
PS43002 R44057
6.8K
I2C5CK 1 A14
I2C5DT 2 A15
AU5V 3
RF AUDIO OUT 4 A16
LINE OUT L 5 A17
C44045 C44052 C44022 C44023
LINE OUT R 6 A18 0.1 16V470 0.1 16V470
7
MIX R OUT 8 A19
MIX L OUT 9 A20
ON(H)
VTR P ON H 10
DVD OUT H 11 A21 5 4
DVD OUT L 12 A22 VIN VOUT
DVD OUT R 13 A23
REG.
IC44005
D PS12V 14 C0CBCDC00027
GND
VHS/DVD TUN.VIDEO 15 B1 (REG.+12V)
NR
DECODER L 16 B2
DECODER R 17 B3 1 2 3
JC P ON H 18
C44050
0.1
R44080 R44081
680 680
TO P4503
MAIN P.C.B.
(Hi-Fi AUDIO SECTION)
PS43003
VHS R OUT 1 B4
C VHS L OUT
V GND
2
3
B5
C47426 1
VIDEO TUNER OUT 4
V GND 5 C47425 1
DVD TUNER OUT 6
VHS TUN H 7 B6
DVD DECODER L 8 B7 REG.AU+5V
DVD DECODER R 9 B8
ON(H)
A GND 10 X SW+5.8V
VHS DECODER L 11 B9 6 5 4
C44046 C44049
GND
VHS DECODER R 12 B10 0.1 6V470 DVD VHS
A GND 13
L H
AUDIO AV3 IN R 14 A24
AUDIO AV3 IN L 15 A25 5 4 IC47403
X SW 5.8V 16 VIN VOUT C1AB00001486
SCART IN L 17 B11
REG.
IC44004 (VHS/DVD TUNER VIDEO SELECTO
B SCART IN R 18 B12 C0CBCDC00026
TUN H
GND
(REG.AU+5V)
VDD
VHS
NR
1 2 3 1 2 3
C44047 L47402 C47427 C47428
0.1 22u 16V10 0.01
A PS+12V
B6 B1
1 2 3 4 5 6
94
REG.+5V A
B
A22 A12 A13 A25 A24 A1 A2 A18 A17 A15 A14 A16
C44038
16V47
C44031 R44059
150P 47K
R44055 R44054 C
.8K 6.8K
D
E75VEB
C44008 C44009
35V10 35V10
6 5
IN2-
IN2+
- +
R44029 R44027
IC44002 12K 12K
C0AABA000054
C44026 50V1
(AUDIO BUFFER)
C44027 50V1
- +
IN1+
VEE
C44019 82P
C44017 82P
3 4
R44031 1K
R44025 100
R44032 1K
R44024
100
R44075 R44074
12K 12K
C44016
16V220
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
AV3 L
AV3 R
AADC
AADC
OUT R
IN R
IN L
OUT L
VDD RF
OUT
R
L
IIC BUS
LOGIC
AMP AMP
+
2 AMP
- + - +
INPUT
SELECTOR IC44001
C1AB00001920
Lch Rch (AUDIO I/O SELECTOR SWITCH)
LEVEL SENSE
AV1/AV2
AV1/AV2
TU IN L
VHS R
VHS L
TU IN
IN R
IN L
R
RF BIAS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C44006 50V1
C44005 50V1
C44002 0.01
C44001 0.01
R44012 1K
R44011 1K
C44011
C44014 50V1
C44013 50V1
0.01
C47403
1AB00001486
HS/DVD TUNER VIDEO SELECTOR SW.)
R44018 0
E75VEB
C44004 50V1
C44003 50V1
R44016 47K
R44015 47K
R44005 82K
R44006 82K
R44001
R44017 0
R44014 0
R44013 0
C44007
3.3M:E75VEB 50V4.7
0:E75VEG
R44004 82K
C47427 C47428 R44003 82K
16V10 0.01
E
F
G
H
I
PS+12V J
B7 B8 B5 B4 B11 B12
K
DMR-E75VEB/EG
Audio/Video I/O Schematic Diagram
L
6 7 8 9 10 11
94
A REG.+5V
REG.+12V
B
A20 R44506 A21 A19
10K
R44505
1K QR44501 C44504
UNR521300L 0.01
(DVD OUT H :ON)
C44501 35V10
C
C44503 35V10
D
R44504 100K C44502 35V10
R44503 100K C44507 35V10
16 15 14 13 12 11 10 9
VDD R CH DVD VHS OUSA OUSB
R R
SW LOGIC 8 7 6 5
VDD Lch
IC44502 -
C0JBAR000285 +
(DVD/VHS AUDIO SELECTOR SW.) IC44501
C0ABBB000
(AUDIO BUFFE
+
-
DVD VHS
L L CH L INH VEE VSS Rch GND
1 2 3 4 5 6 7 8 1 2 3 4
R44509 100K
R44510 100K
R44511 C44509 C44508 C44505
1K 10V100 35V10 35V10
R47428 C47462 C47463 R47429
1K 16V47 0.01 47K
L47405
22u QR47403
UNR521300L
(VHS TUN H :ON)
R47430 100K R47423 0 C47458 16V10
R47431 100K C47464 16V10
16 15 14 13 12 11 10 9
VDD OUSA OUSB
8 7 6 5
VDD Rch
SW LOGIC
+
-
PS+12V
IC47406 IC47407
C0JBAR000285 C0ABBB000
VHS/DVD TUNER (AUDIO BUFFE
+
SELECTOR SW.
-
Lch GND
1 2 3 4
INH VEE VSS
1 2 3 4 5 6 7 8
R47425 100K
R47424 100K
R47427 C47461 R47426 C47460
1K 10V100 0 16V10
C47459
16V10
E
F
G
H
I
J
B9 B10 B3 B2
K
DMR-E75VEB/EG
Audio/Video I/O
Schematic Diagram
L
12 13 14 15 16 17
95
VIDEO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
DVD VIDEO SIGNAL DVD AUDIO SIGNAL
A3 A4 A10 A5 A6
REG.+5V
C43703 C43702
1 1
IC43702
C9ZB00000377
(VIDEO I/O BUFFER)
5 6 5 4
GND
Lch 1 32
L H
IC44501 IC43701 2 MUTE1 TEST 31
C0ABBB000108 C1AB00001486 C43709
(AUDIO BUFFER) (SELECTOR SWITCH) 0.1
3 C
RGB H
30
VCC
h GND
4 1 2 3 4 29
C43710
0.1
5 Y 28
6 VCC 27
C43711 R43701 R43703 C43701 C43712 C43713
1 1800 1800 0.01 6V220 0.01
7 26
PY/CY
8 CLAMP 25
9 24
10 12M 23
LPF
C43720
PY/CY 6V1000
11 VCC 6dB 750hm 22 A9
C43707 (IC TRAP 27MHz) C43721
6V47 PB/CB 6V100
12 6M LPF