Harman Kardon 75+ Technical Manual page 7

POWER AMP BOARD - TOP
Q347
@447)
547
Q647
rn:c'
RED
GRN
BLU
To: PCB(INV.ANP)
VR341
rR441)
VR541
VR641
TO :51 l(STEIIEO._.
QUAD
RED
TO:"e"
GRN
BLU
TO:FUSE HOLDER
(Sl'K"S)
POWER AMP BOARD - BOTTOM
, ~ ~=:
mii
,g~~:1
gm:~
f: ~ 1)
Q346
~
C341
~
- -
~
646
g~::) 0
3
4
7
R341,R441,R541,R641 2.7K
@~:l\.
~ ~
,Q
646
(:~~).
g;:~
R342,R442,R542,R642 33K
cs
41
.i!-
C C
..::.i .:':-.
j ,
@ ,
R557
°
64 7
R343 R443 R543 R643 390
R641
✓+
C343 R657 ""-
V
(
R541 0341 034 @ (C443~R345 \
©.
~
I/
0 R344 R444 R544,R644 6.8K
m:)f
~~:' ® 8i:~)
~i~
R;:~) R347 CR34~
~
R345 R445,R545 R645 180
l \,
f
Q641/ \0642
!
R645 447) (CR44 ...,.~
/4.
R346 ,R446 R546 R646 3.9K
- + C345 + ~ R547 CR
54
.-- R347 R447 -4 R647
C352
T ._,,._.
~445,- R647 R355 CR642
00' • •
n~
7, 5.6K
(
C452)
•C3 42
C344 C545 (R455)
(ID
R348 R448 R548 R648 33K
C552
I
(g;:~)~44) C645 R356 :~; O R349, R449 ,R549 ,R649 3.3K
cs
52
j
C642
c
544
(R VR~ R350 R4!!0 R550 R650 180
C64 4
R556 ~ V R 5 4 1 ._ _ _ _ _.
R342 VR441) R351 R451 R551 R651
100- 1
/2
( R
442
) - - - . . ,
f
r
CR
344
VR341 R352, R452, R552,R652
Io- I
R542 JUMPER ~CR444
t
f-=-cc==c½===="==~-c'-=--1
R642! 08\l!COPPER RR3 4 4 4 9 9 ~3 44 48 C 349
~
CR544 R353, R453, R553,R653 Q27-3
R 3 5B (R549 R54g\ (C44!!'J
1
R354, R454 , R554,R6 54 IO- I
(
R458) R649/ R64el
~::1!
0344
l
R355 R455 11555 R655 0.21-3
R558 (Q444) C346 Q348 R356 R456 R556,1(956 100- /2
RB5B L341 ~
544
c
445
0448 R357, R457 R557, R657 3-3- Y2
41 0644 C546
Q54 8
1
C64 Q648 R358,R458, R558,R658 27 /2
R353 oe- ,--.;
r2
C341, C441, C541, C64 I 220JJF-16V ( glgg!
(~;g~)
(g:m; -
1
~
o C342,C442,C542,C642 70P
C650
- W , , - - . .
Q345 R6531 CR543
✓
:::,-'
C343 C443, C543,C643 47uF-35V
(
0445) CRs
43
,C/
/4
C344,C444,C544,C644 220uF-16V
----,1--e
(~ii)
!Ri~
3
wg:~)
g~:g R352
1
k:=WJ®
C345, C445,C545,C645 47!JF-35V
R65 4 R543 0543 QJ452 C346 ,C446,C546 ,C646 ODl,iF
(c
g~5g5:1)
fi
R~
3
6
~
•@
l~~
~ijl)
<,347, C447, C547 C647 150P
,!+
V ..,.,
<-348, C448, C548 ,C648 47uF-35V
C651
~
+
lc
347
~~:
IG349,C449,C549,C649 0.001,iF
(
g~:) R
tgm)
C350,C4~ ,Ci!50,C650 0.1.uF
CC564488 (~65%8 -\cs47 C351, C451, C551, C651 0,1 ,iF
R65cl/ C352 C452 , C552 C652 0.1,iF
L341, L44 I, L541 L641 L6 •F
VR341, VR441, V_l,VIH41 4.7K
0341+0348 CR341.CR343 C341.C352 R341.R357
L341, VR341
LF(LEFT FRONT)
044,.Q448 , CR441•CR443 C441~ .. 52
IM4-«17
L441
V"441.
L9'1.£FT •ACK)
Qll41-0,-t8 ,C~i ♦CR543
,C,-tl•C5'52
R54~57
L541 VR541 - . . i T l ' - T I
0841•08-tl
CIIIS41•CR643 C84i+C852 R841-57,
L.41 VIH41 "•MlettT IIACKI
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