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20.6. TUNER
DMR-EH54DEG
TUNER
SCHEMATIC DIAGRAM
Note:
Marked $ (spare) parts are not assembled
R7813
$
R7814
$
R7816
R7817
C
7825
33P
C
7826
33P
C
7827
$
C
7828
0.
01
C
7830
$
C7834
2200P
C
7840
$
C
7841
$
L
7803
E
L
JNA2R
2J
F
IN
1
GND
3
IN-G
2
OUT
5
OUT
4
X7801
VCC
1
IN1
2
IN2
3
AGC
4
GND2
5
OUT2
6
OUT1
7
GND
8
IC7801
C
7815
0.
22
R7815
100
L7802
C
7836
1µ
C7
8
3
7
0
.1
C
7
818
0
.0
1
C7808
1u
C7809
0.01
C7810
0.01
C7820
16V47
LB7802
C7811
0.01
C7813
0.01
C7816
0.01
C7822
16V47
LB7803
FBMH1608HM151-T
C7812
0.01
C7814
0.01
C7817
0.01
C7821
16V47
R7818
$
R7819
$
D7807
C7839
50V1
C7838
0.1
C7819
0.01
L7804
R7810
0
R7809
0
R7822
$
C7831
$
1
2
3
4
5
6
7
8
9
10
11
12
PP7802
SDA
SCL
BOOSTER 5V
TU_VIDEO_IN
TU_AUDIO_IN
GND
ANT_5V_ON_H
JC_REG_5V
UNREG_38V
GND
GND
GND
GND
GND
IF_OUT_[-]
I]
IF_AGC
AUDIO_OUT
VIDEO_OUT
SIF_OUT
AFT_OUT
LB7801
C
7829
$
C
7823
$
X_SW_5R8V
PWR_SAVE_L
X_SW_12R4V
PS_5V
D7802
Q7801
D7801
QR7803
QR7801
K7801
C7804
C7806
JC_P_ON_H
C7801
0.01
C7802
0.01
QR7804
QR7802
Q7802
D7803
C7803
0.01
C7807
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PP7801
C7805
R7821
$
R7820
$
C7824
$
C7844
$
R7826
0
C7842
$
C7843
$
L7805
$
R7827
470
R7828
470
VHFUHF
R7801
680
R7802
820
R7830
680
R7803
680
Q7803
R7833
0
R7834
0
DU7801
L7806
C7845
$
C7846
$
NC
1
M5DA
2
5V ANT
3
REG5V
4
M5CL
5
VIDEO IN
6
AUDIO IN
7
[AGC]
8
[BT]
9
NC
10
REG5V
11
NC
12
BTL
13
NC
14
SDA
15
SCL
16
NC
17
IF OUT
18
SW1IN
19
SW2IN
20
AUDIO OUT
21
SIF OUT
22
AFT OUT
23
VIDEO OUT
24
REG5V
25
26
27
TU7801
Q7806
R7837
$
R7836
6800
R7835
6800
1
2
3
4
5
VOUT
GND
ON_H
NOISE
VIN
IC7802
$
C7850
$
C7848
$
C
7849
$
C7852
0.01
L7809
$
C7851
$
LB7804
$
D7810
$
D7809
$
C
7853
0.
01
C7854
50V2R2
C7860
1u
D7808
DMR-EH54DEG
59
Summary of Contents for DMR-EH54DEG
Page 44: ...44 DMR EH54DEG ...
Page 46: ...DMR EH54DEG 46 ...
Page 52: ...DMR EH54DEG 52 ...
Page 64: ...DMR EH54DEG 64 ...
Page 72: ...DMR EH54DEG 72 ...
Page 73: ...22 EXPLODED VIEWS 22 1 CASING PARTS AND MECHANISM SECTION 73 DMR EH54DEG ...
Page 74: ...22 2 PACKING ACCESSORIES SECTION 74 DMR EH54DEG ...