Harman Kardon 800+ - Block Diagrams and Board Layouts; Block Diagram Overview; Low Cut;High Cut Board Diagrams; Sound Field Balance Diagram

BLOCK DIAGRAM
PHONO/AUX JI
LF AIF
LF AIF
FM/ AU XJ2
FM(U
AIF
AIF
E-15
BIR
PHONO/AU X J3
LB
FM/AUX J4
LB BIR
BIR
E-16
AM
A IF C3 F
PHONO/AUX J5
RF
C3 F
FM/AUX J6
RF
C3F
FM CR)
C3F
E-7
C3F
<I)
PHONO/AUX J7
RB
D3R
~
D3R
V,
FM/AUX J8
RB
z
E-8
D3R
0
MIOI-
E4F
I-
u
FM METER OUT
E4F
z
REG. C905oQ904 B6
E4 F
::::,
lJ..
TUNER FM METER
E4F
AM B+ TUNER AM
METER
E4F
FM B+ TUNERCl60 BLK)
F4R
DIAL LAMP
F4
CHASSIS GRD
F4R
TAPE OUT
2
DOLBY
OUT
SOUND Fl ELD BALANCE
VR3O2~GO2
JI 8 JI 9
J2 I s 9
I
IN
....J f--'Q"'-9::...O=-==-2--=Bc:::5_
LT
:~J2O TAPE MON.I .--0J
22
J23 I
E- 9
0
0::
1-
z
0
SIE-4F
BG
~ TUNER S
~ ICIO5 PING
1-
,.j
Q_
::;:
<(
w
0::
0..
Ji2 Ji3
D4R
1424 LAMP
CHASSIS GRD
VR3O1
0
40 I
A2/2 I
I
N
I
V,
VR5O I
0
60 I
3
B2/2 I
V,
I
A3R
SWITCHED
on
1+--QJ 11
w
VI A S 8
0
I
0
CONTOUR
::;;
P/O TAPE MON. S5
A
0
Bl/2
CONN. C
0
CONN.GRD
A
O
B 2/2
D-I
0
,-14
C-2
0
7~8
0
13
A2/2;B2/2
LF RB RF B5
SQ BOARD AM-B- 836 REG.
1,-,--c~-__J I
VR3O1-6.OI 1
....J
0
0::
1--
zO
o'°
uil
wr<>
a:::
3>'
....J
0
>
I
VI A S7
LEFTP
INPUT
E-IO
B5
E3
E-11
<t
I
0
u
I-
::::,
u
I
E-I6
E-15
E- 8
LT
RT
LF GRD RF GRD R282
E-I3
LOW CUT BOARD/HIGH CUT BOARD-TOP
ti
0 2
w Q:
~ w
Q: \;i
0 -
S3
LOW·CUTSW.
S7
HIGH-CUT SW.
-16-
RIGHT INPUT J27
LOW CUT BOARD - BOTTOM
<¥;>---tt-"
R632 C632
820K 0,047pF
820K 0.04 7pF
R432 C432
<¥;> _.._..
,,,,
"'Vt, ...... .:.
R!532 C532.
820K 0.047pF
820K Q047jiF
R332 C332
"""" .,..... .....
.y,.. .............. <¥;> ..............
R43I C4 31 R33I C 331
820K O.Olllj,F 820K 0.01!5jiF
820K 0.0l!!jiF 820K 0,0I5Jif
R631 C631 R!531 C53~
<¥;> - ...... "'Vt, - ......
HIGH CUT BOARD - BOTTOM
t
CO33-
I-
::::,
-1-
-
0..
0
0
z
LB
lJ..
+
-
0::
0
0
RF
BD.
+Rr
E3
C75 I
I-
VJ
i~,i
C 851
:l
w
SIO
0..
V,
:5PKI(
CO32-
z
::::,
CO33-
lJ..
'J/M':..
lJ..
....J
<.j
0
0
R34I
0..
LF
::;:
+
. I
<(
-
0
0
IC332
0::
LB
:R332
w
+
-
S 11
3
3
IC532
0
0
0
RF
0
:R532
0..
....J
+
-
I COl2
0
0
0
I
RB
VIA
VIA
COl3
0
SB S3
CO22-
FUSE HOLDERS
SIB OUTPUT LB (SPEAKERS)
SIA OUTPUT LF
r--------,
SID OUTPUT RB
I POWER
0
LAMPS
01
I
,FUSESOTEST I
E3
: POINTS
0
ETC.
0
I
1 SEE SCH EM.
I
'
SIC OUTPUT RF
,._ ________ _...
B6 +12V
B5 +30V
SOUND FIELD BALANCE
El
E2
r
- - --
AM METER SI- E4F
AM A NT.
AM
SJ-Al F C3F
AM OUT
SI-ABCD
STEREO
THRESHOLD
VRO 12
MUTING
MPX
ADJUST
VROI I
I
I
on
.,._I
off
MUTE
MUTING SW S4
J25
FM A NT. r--.'>l---+--1
8
FM
I
3 00 OHM ~-~1....:9'-L, __ _J
: AM-FM
1TUNER~
~REG. 0..9018
'-- -
TO:PCB(CONNECTOR)
~-21b--==-;/
I
I
- - J
TO :P.C.B(C ONNECTOR)IB] 13a ----e==::.,1
-17-
TO:P.C.B(CONNECTOR)(§] 9a ----===~
>-
Q::
(!)
CID