18.6. Tuner Pack Schematic Diagram
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
DMR-ES20EG/EP/EE
Tuner Pack
Schematic Diagram
13
12
11
10
9
8
7
6
5
4
3
2
1
TO PP7401
MAIN P.C.B.
(MAIN NET SECTION)
PS7801
JC REG 5V
SW2
IIC CLK
IIC DATA
SIF OUT
UNREG 38V
TUNER VIDEO IN
GND
7
10
11
12
13
14
15
16
17
18
2
SDA
VIDEO OUT
5V(VIF)
BTL+30VIN
SIF OUT
AFC S-CURVE
5V(TUNER)
SW(VIF)
SCL
AUDIO IN
3
MSDA
4
5V(RFC)
5
MSCL
6
VIDEO IN
TU7801
ENGF7501GF:(EG)
ENGF7502GF:(EP/EE)
9
RFAGC
AUDIO OUT
1
B
14
15
16
17
18
GND
BOOSTER 5V
GND
GND
AFC
AUDIO OUT
K7810
0
R7812
680
R7844
680
R7820
1000
Q7802
2SB1218ARL
(VIDEO BUFFER)
K7808
0
C7828
0.01
LB7802
J0JHC000032
C7817
6V47
C7809
0.01
C7813 6V47
C7822 0.01
R7815 470
C7818 33P
C7825
100P
LB7803
J0JHC0000032
C7819
33P
R7816
470
C7820 0.1
C7824 6V47
D7802 MAZ4300NMF
C7821 0.01
C7814 50V22
R7817
470
R7811
470
LB7804
J0JHC0000032
R7818
220
TL7401
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST, AND MAY BE
SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
REG.+5V
UNREG.+38V
U/V TUNER
(EP/EE)
R7845
0
R7846 5600
C7838
25V47
(EG)
(EP/EE)
K7809 0
(EG)
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE
52
Summary of Contents for DMR-ES20EG
Page 2: ...2 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 7: ...5 Each Button 7 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 12: ...Error Occurring Disc State 12 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 25: ...12 2 Checking and Repairing of Digital P C B 25 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 26: ...12 3 Checking and Repairing of Main P C B 26 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 27: ...12 4 Checking and Repairing of DVD RAM Drive 27 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 36: ...DMR ES20EG DMR ES20EP DMR ES20EE 36 ...
Page 42: ...DMR ES20EG DMR ES20EP DMR ES20EE 42 ...
Page 54: ...DMR ES20EG DMR ES20EP DMR ES20EE 54 ...
Page 63: ...20 Exploded Views 20 1 Casing Parts Mechanism Section 63 DMR ES20EG DMR ES20EP DMR ES20EE ...
Page 64: ...20 2 Packing Accessories Section 64 DMR ES20EG DMR ES20EP DMR ES20EE ...