YORKVILLE Darkhorse DH15H Service Manual page 7

Model type: ys1085
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M1420
MODEL(S):-
DARK HORSE
#
DATE
VER# DESCRIPTION OF CHANGE
1
DEC 09
v100p3 Value Changes, Repl Middle score w. Route
Feb 2010
v100
Replaced PURE switch with DPDT ON-ON-ON, used
2
3
.
.
stereo pots in tone stack for switchable placement
4
04-MAR-2010 2V00
PC8031: Remove W10 green GND wire
5
09-MAR-2010 .
PC8034: Change #2335 to #3865. Add test nodes
6
03-JUN-2010 V03P0 Added connectors to transformers
7
09-JUL-2010 V03
Added alternate patern for #5973
8
D
V
N
9
D
V
N
10
D
V
N
11
D
V
N
12
D
V
N
13
D
V
N
SEE LAYOUT DIAGRAM
M1420
DARK HORSE
MODEL(S):-
REF
FUNCTION
PART#
KNOB
P4
Treble
4424
8431
P5
Bass
4424
8431
P6
Gain
4425
8431
GG
P7
Volume
4425
8430
GG
R
F
P
K
GG
R
F
P
K
GG
R
F
P
K
R
F
P
K
R
F
P
K
R
F
P
K
R
F
P
K
R
F
P
K
M1420 PRODUCTION NOTES
1. RTV MUST BE ADDED TO THE FOLLOWING CAPS:
C1, C22, BETWEEN C13-C14, C15-C16
{NEW}
N
2. C18 IS 22N FOR BOTH NORTH AMERICA AND CE
N
N
3. KEYWAY OF S1 AND S5 MUST FACE ARROW ON SILKSCREEN
N
N
N
4. HARDWARE FOR 6549 & 6559 MUST BE ASSEMBLED IN ORDER
N
N
N
INDICATED IN ASSEMBLY DRAWING
N
N
N
ASSEMBLY OF 6549 SPDT AND 6559 DPDT
WITH Z1295 AND NUTS AND WASHERS
6pin
CONNECTOR
THIS TRIMMED CORNER OF
Z1295 SHOULD BE ORIENTED
CLOSE TO LABELED TABS
NUT WITH DOUBLE SIDE CHAMFER
*USE UNPOLISHED NUT. SEND
THE REST OF THE HARDWARE
TO WIRING.
2x 6549 SPDT SWITCH
Z1295 SWITCH WASHER
INSIDE TEETH WASHER
CHASSIS
FRONT PLATE
KEYED WASHER
NUT WITH ONE SIDE CHAMFER

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