Main (Mic) Schematic Diagram - Panasonic SDR-S26P Service Manual

8.21. MAIN (MIC) SCHEMATIC DIAGRAM

(MAIN P.C.B.)
REFER TO MAIN CONNECTION
G
F
TO MAIN CN (C-17/D-17)
E
<TO ECM>
(R7) ECM_R
(R6) MIC_GND
(R5) ECM_L
D
C
B
A
1 2
R4806
18k
C4806
0.022u
0 2.4
4 3 2
5 6 7
2.4 2.4
C4810
0.022u
R4809 R4808
18k 150k
3 4 5
Q4801
2SD2216J08
(R.FILTER)
4.9 4.9
4.2
R4805
150k
2.4 2.4
1
IC4801
C0ABBB000369
(MIC AMP)
8
2.4 4.9
6 7
45
: AUDIO MAIN SIGNAL PATH IN REC MODE
TO MAIN CN (D-17)
<TO POWER>
REGA5V (R1)
TP4801
TO MAIN CN (C-17/D-17)
C4801
<TO AVIO>
1u
MIC_R (R2)
MIC_GND (R3)
MIC_L (R4)
C4802
1u
TP4802
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.
SDR-S26
MAIN (MIC) SCHEMATIC DIAGRAM
8 9 10
SDR-S26P