NOTE!3 UNLESS SPECIFIED OTHERWISE
1.ALL RESISTORS IN OHMS
2.ALL CAPACITORS IN MICROFARADS
3.COUPONENT DESIGNATORS: l - 9 9 : LEFT C H A N N E L
2 0 1 - 2 9 9 : C O M M O N PARTS
4 . Ql7/Q117 & Q20/Q120 N O T P R E S E N T O N SERIES 9180
5. LEFT CHANNEL ONLY SHOWN
6.STEREO/MONO SWITCH SHOWN IN STEREO
7.VOLTAGE SELECTOR SHOWN IN 1OOV POSITION
6 . Ql/QlOl & Q2/Q102 U S E T W O 2SK163 S I N G L E JFET'S OR ONE 2SK389 DUAL JFET
9 . Q3/Q103 & Q4/Q104 U S E T W O 2SJ74 S I N G L E JFET'S OR ONE 251109 DUAL JFET
1 0 . R44/R144. R45/R145. R46/R146. R47/R147. C21/C121.
C22/C122 ARE PRESENT ONLY WHEN USING DUAL JFET’S
2SK389 & 2SJ109 ( F O R S U B S T R A T E B I A S I N G )
1 1 . C17/C117. C18/C118 C19/C119 N O T U S E D
FUSE CHART
J101
RIGHT INPUT
R 3 4
33.2K
!%I”’
LEF;IiNPUT
R35
47.5K
R33
47.5K7;
9180/9270 CiRCUIT SCHEMATIC DIAGRAM
| HOTI o | , NEUTRAL | REMSED 1 l/13/91 | ||
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+ H V
- - -
- H V
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