Hafler 9180 - Manual (Page 19)

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
101-199: RIGHT CHANNEL
2 0 1 - 2 9 9 : C O M M O N PARTS
301-399: CHASSIS/POWER SUPPLY
4 . Ql7/Q117 & Q20/Q120 NOT PRESENT ON
SERIES 9180
5. LEFT CHANNEL ONLY SHOWN
6. STEREO/MONO SW I TCH SHOWN IN STEREO
7. VOLTAGE SELECTOR SHOWN IN 1OOV POSITION
6 . Ql/QlOl & Q2/Q102 USE TWO 2SK163 SINGLE JFET'S
OR ONE 2SK389 DUAL JFET
9 . Q3/Q103 & Q4/Q104 USE TWO 2SJ74 SINGLE 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 NOT USED
FUSE CHART
J101
RIGHT INPUT
R 3 4
R35
SCHEMATIC
, NEUTRAL
1
I
DIAGRAM
- - -
+ H V
- H V
I
I
JJ