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4.17.
AUDIO SCHEMATIC DIAGRAM
EARPHONE
MICROPHONE
from[Q]
[2] VIDEO board, CN5§ CN3
AUDIO PB
(H)
[Al viDEO board, cna
AUDIO OUT (for CAMERA)
8
os
4,
a=,
ict
Qs
2SDI330ST
AN3991K
Q6
DTAIZ4F
Q9 2SAII75H
1C2 TA736IP
TP
for BIAS LEVEL
ADJUST
AUDIU
HEAD
OTCI44F
(9)
7
R28
eh
eax
| $m
tezo
Q8 DTCI44F
orcas
| . c a
'50,1/20P4220/10
520, Re
1¢ 3 6vTO2
==
REC
MUTE (H)
Nc
SWITCHED 12V
GND
BIAS ON
(H)
AUDIO ERASE HEAD
re
NOTES:
Unless otherwise specified;
All diodes are 188133.
Alll capacitors are in microfards, inductor
in henries, resistors are in ohms (1/6 W).
(__) represents the DC voltage at playb
4-18
4-18
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