12.11. Tuner Section (Main P.C.B. (3/4)) Schematic Diagram (TU)
8
9
10
7
6
E
F
G
D
C
5
4
3
2
1
B
A
C
Tuner Section (Main P.C.B. (3/4))
Schematic Diagram (TU)
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.
M:Main Net Section (Page: )
A
AV:AV I/O Section (Page: )
B
TU:Tuner Section (Page: )
T:Timer Section (Page: )
C
D
C7308 10P
C7307 10P
R7325 220
C7319
0.1
3
1
2
4
5
IC7302
COEBH0000454
C7335 0.1
R7324 220
C7813
2200P
J0JHC0000032
LB7803
LB7804
COJCC0000103
470
R7804
C7807
33P
470
R7805
C7812
0.01
C7811
6V47
C7810
0.01
6V47
C7809
C7808
33P
K7804
0
J0JHC0000032
LB7802
C7333
0.1
R7307
0
R7326 0
R7304 100
C7301
0.1
L7304
GOC3R9JA0019
K7811
VWJ0795=12.5
K7810
VWJ0795=7.5
K7805
VWJ0795=12.5
LB7303
COJCC0000080
K7813
VWJ0795=12.5
K7812
VWJ0795=10
C7334
50V2.2
R7303
47K
C7305
6V100
K7803
0
R7803
220
ANT_SHORT_L
J0JHC0000032
LB7801
C7803
50V1
1
C7801
6V47
D7801
B0BA03000015
R7802
1000
4700
R7811
K7801
0
C7820
680P
2200P
C7826
C7804
0.01
270P
C7821
C7802
0.01
C7309
100P
C7310
100P
LB7302
JOJCC0000124
G_IIC_DATA_A
G_TU_V_OUT_A
AFC
UNREG38V
BOOSTER_5V
TU_REG5V
G_SW_A
C7824 22P
22P
C7823
G_TU_L_A
GND
G_TU_R_A
G_IIC_CLK_A
L7303
GOC1R0JA0019
C7332
0.1
C7303
6V100
C7302
1000P
LB7304
COJHC0000032
RET4
RET3
RET1
RET2
G4
G3
16
17
G1
G2
14
4
7
12
10
11
13
8
96
15
ENGF7601GF
TU7802
X7301
HOD24550016
C7314
33P
LB7305
J0JCC0000080
R7313
220
LB7301
J0JCC0000124
R7312
220
0.1
C7324
K7303
0
C7317
6V47
41
40
44
42
43
29
28
27
34
36
35
38
37
32
33
31
30
39
25
24
26
13
21
19
18
20
22
15
14
17
16
23
12
10
3
2
4
1
9
7
5
6
8
11
IC7301
C1AB00002225
R7322
0
C7330
8200
T
VSSA2/N.C
TEST1/N.C
VDDA2/MAD
M
M
M
AV
AV
T
AV
T
T
M
T
TPB/N.C
1REF/LF2
PCLK/N.C
XTAL0/LF1
TEST2/N.C
XTAL1/XTAL
ADDR1/AFR
VDDR2/N.C
TP2/N.C
OUT L
OUT R
CRESET/CAF2
SIF1/IFINT
VDEC2/AF1I
EXTIL/EXTL
P2
VREF2/VREF
P1
VSSD3/N.C
VDDD3/CID
EXT IR/EXTR
MONO IN/EXTM
SDA
SCL
VDDA3/VCC
VSSA3/VCC
VDD
NC
OUT
WS/AF20
GND
NC
SD0/LPF
SYS CLK/CTRIG
SCK/AF21
VSSD1/N.C
OUTM
VSSA4/N.C
VDDA1/CDE1
VSSA1/N.C
VSSD2/AGND
VDDD1/CDE2
TP1/N.C
VREF1/CAF1
SIF2/N.C
NICAM/AF1D
SDA
SCL
NC
NC
RF_AGC
VIF_5V
AFT_OUT
BTL_30V
SW
NC
NC
ANT_5V
NC
NC
SIF_OUT
VIDEO_OUT
TUNER_5V
1
2
3
5
PLL SC2
NARROW-BAND
FM DEMODULATOR
PLL SC1
NARROW-BAND
FM DEMODULATOR
2
AMPLIFIER
AF
1
AMPLIFIER
AF
SUPPLY
POWER
ADJUST
STEREO
DECODER
STEREO
TRANSCEVER
IIC BUS
NARROW-BAND PLL
PILOT
IDENTIFICATION
DIGITAL
AF SWITCH
11
10
9
8
7
6
5
4
3
2
1
34
35
36
37
38
39
40
41
42
43
44
23
24
25
26
27
28
29
30
31
32
33
22
21
20
19
18
17
16
15
14
13
12
GND
IN
OUT
3
2
1
Vref
+
-
IC7301
DECODER IC
IC-DETAIL BLOCK DIAGRAM
IC7302
RESET IC
IC-DETAIL BLOCK DIAGRAM
DMR-EH57GN
DMR-EH57GN
63
Содержание DMR-EH57GN
Страница 5: ...2 2 Precaution of Laser Diode 5 DMR EH57GN ...
Страница 7: ...3 Service Navigation 3 1 Service Information 3 2 Caution for DivX 7 DMR EH57GN ...
Страница 8: ...4 Specifications 8 DMR EH57GN ...
Страница 9: ...9 DMR EH57GN ...
Страница 10: ...5 Location of Controls and Components 10 DMR EH57GN ...
Страница 11: ...11 DMR EH57GN ...
Страница 13: ...6 1 2 When the Forcible Disc Eject can not be done 13 DMR EH57GN ...
Страница 29: ...9 2 P C B Positions 29 DMR EH57GN ...
Страница 38: ...10 1 2 Checking and Repairing of RAM Digital P C B Module 38 DMR EH57GN ...
Страница 39: ...10 1 3 Checking and Repairing of Main P C B 39 DMR EH57GN ...
Страница 40: ...10 1 4 Checking and Repairing of HDD 40 DMR EH57GN ...
Страница 41: ...10 2 Caution for Replacing Parts 10 2 1 Items that should be done after replacing parts 41 DMR EH57GN ...
Страница 44: ...44 DMR EH57GN ...
Страница 70: ...DMR EH57GN 70 ...
Страница 79: ...13 5 ATAPI P C B ATAPI P C B DMR EH57GN ATAPI P C B VEP70194A 1 A B 2 3 4 5 DMR EH57GN 79 ...
Страница 80: ...DMR EH57GN 80 ...
Страница 88: ...15 Parts and Exploded Views 15 1 Exploded Views 15 1 1 Casing Parts Mechanism Section 88 DMR EH57GN ...
Страница 89: ...15 1 2 Packing Accessories Section 89 DMR EH57GN ...
Страница 100: ...3 DMR EH57GC DMR EH57GCS DMR EH57GN ...
Страница 101: ...2 Changes of Exploded Views 2 1 Changes of Casing Parts Mechanism Section 4 DMR EH57GC DMR EH57GCS DMR EH57GN ...
Страница 102: ...2 2 Changes of Packing Accessories Section 5 DMR EH57GC DMR EH57GCS DMR EH57GN ...