8.21. MAIN (MIC) SCHEMATIC DIAGRAM
SDR-S26
MAIN (MIC) SCHEMATIC DIAGRAM
(MAIN P.C.B.)
REFER TO MAIN CONNECTION
+
C4803
10u[KB]
C4802
1u
C4801
1u
C4812
22u
6.3V
IC4801
C0ABBB000369
(MIC AMP)
1
A OUTPUT
2
A-INPUT
3
A+INPUT
4
V-
5
B+INPUT
6
B-INPUT
7
B OUTPUT
8
V+
(R7) ECM_R
TO MAIN CN (C-17/D-17)
<TO ECM>
(R5) ECM_L
(R6) MIC_GND
REGA5V (R1)
MIC_L (R4)
MIC_GND (R3)
MIC_R (R2)
R4807
3900[D]
R4808
150k
R4804
33k
R4805
150k
R4803
22k
R4802
4700
R4810
3900[D]
TP4801
TP4802
Q4801
4.9
4.9
4.2
2SD2216J08
(R.FILTER)
C4809
470p
C4804
470p
R4806
18k
R4809
18k
C4810
0.022u
C4806
0.022u
TO MAIN CN (D-17)
<TO POWER>
TO MAIN CN (C-17/D-17)
<TO AVIO>
0
2.4
2.4
2.4
2.4
2.4
2.4
4.9
: AUDIO MAIN SIGNAL PATH IN REC MODE
NOTE:
DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART, PLEASE REFER
TO PARTS LIST.
NOTE:
THE MEASUREMENT MODE OF THE DC VOLTAGE ON
THIS DIAGRAM IS STOP MODE.
NOTE:
CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED
HEREIN SHALL BE REGARDED AS REFERENCE
INFORMATION WHEN PROBING DEFECT POINT,
BECAUSE IT MAY DIFFER FROM AN ACTUAL MEASURING
VALUE DUE TO DIFFERENCE OF MEASURING
INSTRUMENT AND ITS MEASURING CONDITION
AND PRODUCT ITSELF.
8
9
10
7
6
E
F
G
D
C
5
4
3
2
1
B
A
SDR-S26P
45
Содержание SDR-S26EB
Страница 7: ...3 Specifications 7 SDR S26P ...
Страница 9: ...Fig 1 2 Fig 1 3 9 SDR S26P ...
Страница 11: ...5 Service Fixture Tools 5 1 Service Tools and Equipment 11 SDR S26P ...
Страница 13: ...6 1 2 Checking and repairing individual circuit boards How to use extension cables 13 SDR S26P ...
Страница 14: ...6 2 1 Main P C B 6 2 Location for Connectors of the Main P C B and Sub P C B 14 SDR S26P ...
Страница 15: ...6 2 2 Sub P C B 15 SDR S26P ...
Страница 17: ...6 3 2 Sub P C B Make sure to install CSP IC in the correct position of the Sub P C B as shown 17 SDR S26P ...
Страница 62: ...SDR S26P 62 ...
Страница 91: ...10 3 Abbreviations 91 SDR S26P ...
Страница 92: ...92 SDR S26P ...
Страница 93: ...93 SDR S26P ...
Страница 94: ...94 SDR S26P ...
Страница 95: ...95 SDR S26P ...