B&K 4416 User manual

Bruel &Kjmr
r -------------------------- ~
037 - 26 1
4416
Response Test Unit
valid from serial no . 575443
-.,

BRUEL & KJA:R
Ncerum - Denmark
Consisting of:
Service In struction
S Imphfled Diagram
Adjustment Procedure
ZS 0298 Remote Control
ZT 0294 Amplifier / Power Supply
ZT 0295 Input Filter
Circuit Diagram with Parts List /
Cabinet Parts
4 . 76
037 261
Service Instruction
4416
4416
Response Test Unit
Page
0- 1
0- 2
1 1
1- 2
1- 3
1- 4
2
1
2
valid from serial no . 575443
Dat e
4. 76
4.76
4 .7 6
4
.76
476
4 . 76
. 76
. 76
. 76
. 76
1. 76
TroubJe Shooting
If any faults should occur please check the instrumenl according 10 Ihe
Adjustment Procedure .
When a fault has been traced and corrected , the voltages and
adjuslments influenced by the correction must be rechecked . The
comp let e instrument shou ld then be tes ted to make sure that all basic
functions are operative .
The tolerances given in thes e notes are intended for use as gUide for ad-
justments .
Before correcting any apparent deviation make sure that th e measuring
instrument has tolerances small enough not to affect th e measurernenl.
Modifications
Due to the constant technical progress the instrument will be modified
from time to time in order to provide continously improved performance .
For
this reason there may be smal l differencies between the instrument
and the Service Instru ction.
However. the local Representative Service is in possession of all informa-
tion regarding the modifications that have been made .
Spare Parts
Please state type and serial number of the instrument when ordering
spare parts .
0-1

~
N
-!:>
-..J
(j)
Amplifier
Preamp .
Zi47kIl
~
Input
10 mY
I {/
R
10mY
Boost
75}JS
IEC
To po
Input 100 mY
p
Generator
ILin
'r
I
5 V
RE=:3O---
L+R ~
Chop ~
I I 5 V
I
R
Rumble A -0"0 f T
~! s'
R
5V
Rumble 8 ..,..-0
ItT I -i s
Out
R
100 mY
5V
~
5V
1Hz
Choppor
to V 11
_ t oV13
--
-to V 12
to Q 8, 9
Y11
to V 23
Rumble
A B
LP 315 Hz BP 315 Hz
U:~m .
f ' J"'
Cf)
3
~
3
CO
a.
o
'"
<C
...,
'"
3
-!:>
-!:>
(j)

BRUEL & KJ~R
Nrerum - Denmark
1.1. Power Supply
1.2. Gain
BOOST 7511S "Out"
EQUALIZATION "Lin ."
RUMBLE FILTER: "Out"
PICK-UP " 47kO "
PI CK -UP to " I MO "
1.3. Chopper
1.4. Noise
4.76
Adjustment Procedure
4416.1
Check the voltage across C7 1:
C72
C73
JPOIOI
15V ± 0,6V
- 15V ± 0.6V
5V±0.3V
ACOOI'
c =L = "-Ia:ll======~i:::::::; 5" - ~
__ ~JP050' ~
I1 ° type 4416
Sine waVe
gQnorot or
Input signal to "47 kO" input 0. 316 mV RMS at 1 kHz .
Check the output voltage at "AC Output" socke t: 1 00 mV RMS ± 3.5 mV .
Check that the output voltage do not ch ange more than 15 mV for all combinations of EQUA-
LIZATION/BOOST.
Switc h between Land R and check that the difference between the outp ut voltage is not
more than 2 mV
I nput signal to " I MO " inpu t: 31 .6 mV RMS at 1 kHz.
Check the output voltage at "AC Output " socket: 1 00 mV RMS ± 3,5 V.
Input signal to "Tape Recorder" input · 100 mV RMS at 1 kHz.
Check the output voltage at "AC Output" socket: 1 00 mV RMS ± 3.5 mV .
Connect a fr e qu ency cou nt er or an oscilloscope to outp ut of V7 and check the chopper
fr equency: 1 Hz ± 0.2 H z.
If necessary ad ju st PI
Short circu it JP 0101 a nd check the noise on "AC Output"
Check th e noise for L. Rand L + R. (Frequency range 20 Hz - 20 kH z)
Pick- up input check PICK -UP to "
47kO " PICK-UP to " I
MO "
"
47 kO" input shorted
" I MO " input s hort ed
BOOST 7511S
EQUALIZATION RUMBLE Vo lt RMS
Volt RMS
Out
Lin
Out *3.16mV *1 , 5BmV
Bo ost
Lin
Out 21 mV
15mV
Boost IE C Out
6mV 3.1 mV
Out
Lin A *0
.95 mV
O.4mV
Boost Lin A
O,7mV
0.7mV
Bo ost IE C A
2.5mV
1 .8 mV
Boost
IEC
B 0.26 mV
0. 18mV
Boost Lin B 0,
36 mV 0, 36 mV
Out
Lin
B *0 ,3 mV
0, 18mV
Tape input check Tape
input sho rted
l Out l Out
l Out
* 1 mV
Figure marked with a * are specifications , the other s hould be used as a guide for troubl e
s ho o ting .
valid fr om serial no . 575443
1- 1

Adjustment Procedure 4416 .1
1.5 . Distortion
1.6 . Frequency Res pons e
• Bruel & Kim,
Check the dis tortion for L. Rand L + R according to the scheme belove.
The distortion sho uld be measured w ith an output voltage of 1 V RMS .
Tape input
IEC/BOOST
Pick- up input
LIN /BOOST
Remote Control
1
AQ 0038
2010
2307
UB OOLl
Qlnput
9
r BFO I
Output
20Hz - 20 kHz
5 Hz -
50 kHz
5 Hz -
50 kHz
r LL16 1
'lor
Zi L7k1l.
< 70dB
< 60dB
< 50dB
/f
rom "AC Output "
to AC voltme ter
(f . inst .2L 27)
To check
it em 1 .6 an d 1.7 a Level R ecorder and a Sine Wave generator ( fr equ ency range
2 Hz - 200 kHz) is necessary .
The w
ritin g width of the Level Recorder is 100 mm.
Bruel & Kim, Bruel & Kimr
00000000000000 0000 000 00000000000 00000000000000000
la-rueI& Kjrer Potentiomete, Range : ~dB Rectifier: RMS lower lim . Freq.:~Hz Wr . Speed: -1Lmm /sec.Paper Speed :...L mm /sec
1- 2
Copenhagen 50 25
1075
1: Lin
...
dBdB
2: Lin + Boost, 75 J.l.S
dBdB
3: IEC 2+
4020
4: I EC + Boost, 75 J.l.S
Ta
60
Measuring Obi .:
3 &4-
I-
:,
3015
1- .
64!
~onse -
curves
...Q!...ly~
~ ~
1 &2 1 &4
4416 20
10
430
3
lOrs
215
Rec. No .:
y100 kHz
Date 27·6·75
Sign.: JAH oLa
10
20
Hz
50
100 200 500
1000 2000 5000
10000 200a.-~
00 A B C lin . 0
QP 1124
Multiply Frequency Scale by Zero
level :
1612 / 2112
A B C
750634
RUMB LE FILTER: " Out "
Knob se tting f or Type 2307
LOWER LIMIT FREQ.. " 10H z"
WRITING SPEED: "
16 mm "
PAPER SPEED: " 1
mm"
Set the f reque ncy to 10H z in 2 Hz - 2 kHz log frequency range.
Inp ut volt age to " 47 kO" input · 0,3 16 mV RMS.
Start th e Level R eco rder and l et it run until approxima tely 1 kHz. Stop the Level R ecor der,
change the frequency r ange of the generator to 200 Hz - 200 kHz and set the fr e quency
pointer to the frequ ency where it was stopped .
Start th e L eve l R eco rder and l et it run o ut the ' rest of the chart.
Thi s chec k sho uld be don e f or L, R, L + R and for both 47 kO/ l MO input s.
4.76

Adjustment Procedure 4416 .1
1.7 . Rumble Filter
BrGel & Kjmr -Measuri ng Object: BrGel & Kjmr
OOOOOOOODDDODOOODDOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO[
~B Recording No .: Sign .: Date : Potentiometer: Zero Level: 0 ABC lin.
40
Rumble A
30
10
o
2 Z 0 IU
OP 1143 Pot . Range,
EQUALIZATION: " Lin ."
CHANNEL SELECTOR: "L I R"
RUMBLE FILTER: "Out "
RUMBLE FILTER to "A"
RUMBLE FILTER to "8 "
1.8. Max. Output Voltage
EQUALIZATION: "Lin"
RUMBLE FILTER: "O ut "
1.9 . Cross talk
4. 76
EQUALIZING: "Lin ."
CHANNEL SELECTOR: " R"
PICK-UP" 47 kO"
PICK-UP to " 1 MO "
o
50 dB
± 1 dB
Rumble B
50 100 200 500
2
1000 2000
5000 '-10000 20000
50000 100000
3 mm/ sec .
Rectifier .: RMS lower lim . Freq.:
Hz Writing Speed: 25
mm /sec. Paper Speed:
Adjust the input voltage to exactly 1 V RMS at 315Hz on "AC Output" .
Output voltage: 1 V RMS ± 20 mV .
Output voltage: 1 V RMS ± 20 mV .
Record
the frequency response for RUMBLE A and RUMBLE B filters .
Connect an osc ill oscope to "AC Output" socket and check that the output signal is not dis-
tored for an input voltage of : 23 mV RMS to "47 kO" input
2, 3V RMS to " 1 MO" input
Check max. output voltage for L, R, L + R and for both 47 kO and 1 MO inputs .
Connect the input signal to pin 3 and short circuit pin 5 to gro und on 47 kO input
Adjust the input signal to 3,16 V RMS at 1 kHz on "AC o utput "
Switch C HANNEL SELECTOR to "L" and check the cross talk acording to the scheme below .
Inpu t
Pi ck- up
Tape
fr
equency
47 kO 1
MO
1 kHz
-65 dB -65 dB
-65dB
20 kH z -45d B
-40d B
-45 dB
50kHz
-- 35 dB
-30d B
-3 5 dB
Change
the input to channe l "L" and check the cross talking.
Change the input S ignal to " 1 MO " input and check the cross talk as described for " 47 kO " input .
Change the input s ignal to "Tape" input and check the cross talk as described for " 47 kO"input
valid from se rial no . 575443
1- 3

Adjustment Procedure 4416.1
1. 10 . Synchrostarter
1- 4
Le¥l!l Recorder start : OV
EQUALIZING "Lin ."
CHANNEL SELECTOR: " L , R"
RUMBLE FILT ER : "Ou t"
PICK-UP: "
47kO "
SYNCHROSTART:
"A ut."
Level Recorder
type 2307 I
I
I
~~~~~;
.----- -- ,
I 0 : \
~--_1""H> I "
I
io
I Remote Control
I
I
I
I
I
I
-- -~
Level Recorder
type 2305
G
Remote
Control
Automatic
Stop
Clutch
Remote Control Coble
AQ 003e
type 4416
30V from Level 1IecQ-~
~
,
6,
I
15V
a JOZ
C 305
Connect " R emo te Control" on Type 44 16 to "Remote Control " on the Level Recorder.
Ad ju st the input signal fa r 1 00 mV RMS at 950 Hz on "AC Output ".
Switch PAPER DRI VE FUNCTION on Type 2307 to " Continue F ".
Press "BFO Stop" on Type 2010 and check th at the Level R ecorder sta rt s,
If the Level Recorder does not start adjust L301 (on ZS 0298) until the relay 0301 will be
energized and repeat the check.
Change t he input frequency to 1050 Hz and check again the start function .
If the Level R ecorder does not s tart adjust L 30 1 until the relay 030 1 will be energized a nd
repeat the star t function .
Change the input frequen cy to 700 Hz and let the Level Recorder run until a utomatic stop.
Increase the input fr e quency sl ow ly and check t hat the relay will be energized between
800 Hz and 950 Hz and the Level Recorder will be started between 1 050 Hz and 1250 Hz .
Repeat the
adjustment of L 30 1 until this is fullfill ed.
4. 76

BRUEL & KJ.tER
Nrerum - Denmark
Circuit and Layout Diagrams
with Parts List
Remote Control
lN4148
Q)02
ZS 0298
Remote Control
lN41411
+lSV lO)---- --f,----- T--T--------------- ---1~ - -l
-c:J-
R 3xx
. 76
I
I
I
I
I
4,7kO
@>-----+.bi4
J
]nF
~1-D1+--'.>N30"" ____ -I-r
1
0302,303
1 2
0 0
[;
0
1 6
-1~
c 3xx
3
~
-<>
,
18kO
Rloa
~
Q3xx
1
I
~
0301
' 0 01
, 0
02
60
03
' 0
01
CIRCUIT
DIAGRAM
REF .
C 301
C
302
C 303
C
304
C
305 - 307
L 301
0 301
0
302 , 303
Q 301 - 304
R 301
R 302
R 303
R 304 , 305
R 306
R 307
R
308
V 301 , 302
ZS 0298
4416 from serial no. 575443
330
AJDS
V301.302 - BC 107B
B
,0,
Botlom ... i,w
COMPONENT TYPE STOCK
REF.
Polyester
33 nF / 400V
CS 0058
10 nF1250 V
CS 0403
Polystyrene 0 ,1
/JF 1 63 V
CT 1543
Polyester 0,1 /JF1250 V
CS 0402
Electrolytic
2,2/JF / 63V
CE 0401
Re sonance Coil
250 mH
LB 0196
Relay A
2415-12V
OC 0042
Plastic Cover for above relay
SC 0014
Relay
RH - 24V
OC 0037
Silicon
lN4148
75 V175 mA
QV 0216
Carbon 1/
4W 5%
4,7 kO
RB 3470
560 kO
RB 5560
10 kO
RB 4100
47 kO
RB 4470
33 0
RB 1330
1/ 3W 10 %
50 0
1/ 4W 5%
18 kO
RB 4180
Silicon NPN
BC107 VB 0032
Printed Circuit Board XC
1292

BROEL & KJA:R
Ncerum -Denmark Layout Diagram
with Parts List ZT
0294
Ampl ifier / Power Supply
-c:J- R
--I~ c
~a
00 v
I.
I
I.
I
1_ ________ J _____ -I
viewed from the bottom side
CIRCUIT
COMPONENT TYPE STOCK CIRCUIT
COMPONENT TYPE STOCK
DIAGRAM
REF. DIAGRAM
REF .
REF . REF.
C 1 Ceramic 1
nF / 400 V
CK 3101 C
27
Polystyrene 20 nF I 63 V
CT 112 5
C 2
Tantalum 150IJ
F/
6,3V
CF 0048 C 28
75 nF I 63 V
CT 1523
C 3 Polystyrene
30 nF I 63 V
CT 1519 C
29
Polyester
0,1 IJF / 250 V
CS 0402
C 4
27 nF I 63 V CT 1518
C 30
Ceramic 30 pF / 400 V
CK 0105
C 5 Ceramic 8,2
pF / 400 V
CK 0820
C
31 , 32
Polystyrene 100 nF I 63 V
CT 1543
C 6,7
Tantalum 150IJ
F/
6,3V
CF 0048
C 33
Ceramic
30 pF / 400 V CK 0 1 05
C 8,9
15IJF / 20V
CF 0010
C
34
Polycarbonate O,22IJF 1 63 V CS 0801
C
10 Ceramic
3,9 pF / 400 V CK 0390
C 35
Polyester 47 nF/ 250 V CS 0401
C
11
1 nF / 400 V
CK 3101
C 36
10 nF / 250 V
CS 0403
C
12
Tantalum 150IJF / 6,3V
CF 0048
C 37
Polystyrene 3 nF I 63 V CT 1157
C
13
Polystyrene 30 nFI 63 V
CT 1519
C
38-41 Polyester 0,1 IJF / 250 V CS 0402
C
14
27 nFI 63 V
CT 1518
C
42 Tantalum 47 IJF I 6,3 V CF 0023
C
15 Ceramic 8,2
pF / 400 V CK 0820
C 43.44
Polyester 0,1
IJF / 250 V CS 0402
C
16 , 17 Tantalum 150IJ F/ 6, 3V
CF 0048
C
45 Tantalum 47 IJF I 6,3 V CF 0023
C
18 , 19 15IJF I 20V
CF0010
C 46.47
Polyester 0,1
IJF / 250 V CS 0402
C 20
Ceramic 3,9 pF / 400 V CK 0390
C 48.49
Ceramic 3,3 pF / 400 V
CK 0330
C
21 , 22
Polyester 0,1
IJF / 250 V
CS 0402
C
55 , 56
8,2 pF / 400 V CK 0820
C 23
Ceramic 8,2 pF / 400 V CK 0820 C 57 Polyester O, 22IJ F/ 1 00 V
CS 0339
C
24
30 pF / 400 V CK 0105
C 58
Ceramic 1
pF / 400 V CK 0100
C
25 Tantalum 2, 2IJF 1 35 V
CF 0022
C 59 10 pF / 400 V
CK 110 0
C
26
Polycarbonate O,
lIJF / 100V
CS038 1 ZT0294
C 60
Polyester
O,22IJF / 1 00 V
CS 0339
1. 76 4416 from serial no. 575443

ZT 0294 Layout Diagram with Parts List
CIRCUIT
DIAGRAM
REF .
C 61
C 62
C 63 , 64
C 65
C 68 , 69
C 70
C 71 - 73
C 74 - 77
C 78
P 1
o 1- 20
o 28 - 30
R
R 2
R 3
R 4
R 5
R 6
R 7
R 8
R 9
R 10
R 11 .12
R 13
R 14
R 15
R 16
R 17
R 18
R 19
R 20
R 21
R 22
R 23
R 24 ,25
R 26
R 27 .28
R 29
R 30
R 31
R 32
R 33
R 34
R 35 -39
R 40
R 41
R 42
R 43
R 44
R 45
R 46
R 47
R 48
R 49
2
COMPONENT TYPE
Ceramic
Polyester
Ceramic
Electrolytic
Tantalum
Ceramic
Electrolytic
Cermet
Silicon 1
N4148
1N4004
Metal
Carbon
Metal
Carbon
Metal
Carbon
Me
ta l
Carbon
Metal
Carbon
Metal
Carbon
Met al
Carbon
Metal
Carbon
Metal
Ca rb on
1/ 4W
1 pF / 400 V
10 pF / 400 V
0,1 IlF/
250 V
30 pF / 400 V
100llF I 40 V
470llF I 40V
151lFI 20V
47 nF I 30V
221lF I 40V
1%
5%
1%
5%
1%
5%
1%
5%
1%
5%
1%
5%
1%
5%
1%
5%
1%
1%
5%
22 kO
75 V175 mA
400 V/ 1 A
61 .9 kO
100 0
2 kO
47 kO
3,32 kO
9, 76 kO
115 kO
12 ,7 kO
10 kO
4,75 kO
47 ,5 kO
47 kO
61.9 kO
100 0
2 kO
47 kO
3,;32 kO
9. 76 kO
115 kO
12,7 kO
10 kO
4,75 kO
47 ,5 kO
47 kO
49 ,9 kO
24 ,9 kO
22 kO
330 kO
10 kO
100 kO
15 kO
100 kO
39 kO
15 kO
39 kO
15 kO
39 kO
15 kO
39 kO
15 kO
22 kO
15 kO
STOCK
REF .
CK 0100
CK 1100
CS 0402
CK 0105
CE 0443
CE 0417
CF 0010
CK 4470
CE 0428
PG 3221
OV0216
OV 0237
RF 4619
RB 2100
RF 3200
RB 4470
RF 3332
RF 3976
RF 5115
RF 4127
RB 4100
RF 3475
RF 4475
RB 4470
RF 4619
RB 2100
RF 3200
RB 4470
RF 3332
RF 3976
RF 5115
RF 4127
RB 4100
RF 3475
RF 4475
RB 4470
RF 4499
RF 4249
RB 4220
RB 5330
RB 4100
RB 5100
RB 4150
RB 5100
RB 4390
RB 4150
RB 4390
RB 4150
RB 4390
RB 4150
RB 4390
RB 4150
RB 4220
RB 4 150
CIRCUIT
DIAGRAM
REF.
R 50
R 51
R 52
R 53
R
54 , 55
R 56
R 57
R 58
R 59
R 60
R 61
R 62
R 63-65
R 66 . 67
R 69
R 70
R 71
R 72 - 75
R 76
R 81 - 87
R 90
R 91 , 92
R 95 , 96
R 97
R 98
R 99 . 100
R 101
R 102
R 103
R 104 , 05
V
V 2-7
V 8
V 9- 13
V 14 - 20
V 21 , 22
V 23 - 25
V 26
V 27
V 28
V 29
V 30
V 31
V 32 -3 4
V 35
V 36
V 37
V 38
COMPONENT TYPE
Metal
Carbon
Metal
Carbon
Metal
Carbon
Metal
Carbon
1/ 4W
1%
5%
1%
5%
1%
5%
1%
5%
Metal 1%
Carbon
Metal
Carbon
2 x Op. Amp .
Op . Amp .
Silicon PNP
FET N
Silicon PNP
Op. Amp .
FET N
4 x 2 Input NAND
S-R Flip-Flop
2 x 4 Input NAND
6 x
IN V
4 x 2 Input NAND
S-R Flip-Flop
Op.
Amp .
± 15 V Regulator
Sili
co n
PNP
5%
1%
5%
NP N
5 V R
eg ulator
Printed Circuit Board
Heatsink
8 pin-Socket for dual-in-
lin e
14 pin-Socket for dual-in- lin e
16 pin S oc ket for ci rcuit b oa rd
82 ,5 kO
15 kO
82 ,5 kO
15 kO
39 kO
45 ,3 kO
17,4 kO
5, 62 kO
27 kO
11 kO
3, 83 kO
12 kO
100 kO
4,7 kO
68 kO
47 kO
10 kO
1 kO
100 0
1 kO
390 0
1 kO
499 kO
316 kO
330 kO
499 kO
316 kO
330 kO
220 kO
150 0
739
301
BC
177
NF510
BC177
301
NF510
7400
74279
7420
7416
7400
74279
301
4195
40406
404 07
78M 05
STOCK
REF .
RF 4825
RB 4150
RF 4825
R8 4150
R84390
RF 4453
RF 4174
RF 3562
RB 4270
RF 4110
RF 3383
RB 4120
R85100
RB 3470
RB 4680
RB 4470
RB 4100
RB 3100
RB2100
RB 3100
RB 2390
RB 3100
RF 5499
RF 5316
RB 5330
RF 5499
RF 5316
RB 5330
RB 5220
RB 2150
VE 0079
VE 0044
VB 0071
VB 1021
VB 0071
VE 0044
VB 1021
VD 0002
VD 0073
VD 0007
VD 0051
VD 0002
VD 0073
VE 0044
VE 0068
VB 0053
VB 0054
VE 00 69
XC 1293
DT 0036
JJ 0804
JJ 1408
JJ 16 24
1. 76

BRUEL & KJ...:ER
Nrerum -Denmark
-c::::J-R2 xx
-+-C2""
CIRCUIT COMPONENT TYPE
DIAGRAM
REF.
C
201 Polystyrene
C
202 Ceramic
C 203
C 204
Polystyrene
C
205
C 206
Ceramic
C
207 Polys tyr ene
C 208
Ceramic
C
209
C
210 Polys tyr ene
C 211
C 212 Ceramic
C
213 -215
Push Button Selector
1. 76
Layout Diagram with Parts List
o ------------------ · --------- ---- -- -- - ~
~r • I
cr
I>
r
c 011>"
.0.0
II) II) I
I 0- I
, , -l U I
: : I : I V1 X I
e- -- - -, ;oO~l- r~~~ T -, j;r r;;:~~ rT~~~ r- --- -a
Vie wed from the top side
STOCK CIRCUIT COM PONENT TYPE
REF .
DIAGRAM
REF.
l , 6nF / 500V CT 1103 R 201 Metal 1/ 4W
33 pF/ 400 V CK 1330
R 202
150 pF / 400 V CK 2151
R 203
11 nF I 63 V CT 1551
R 204
Carbon
130pF / l 00V CT 1138
R 205 Met al
150 pF / 400 V CK 2152 R 206
1,6 nF/ 500 V
CT 1103 R 207
33 pF / 400 V CK 1330 R 208
150 pF / 400 V CK 2151 R 209
11 nFI 63 V CT 1551
R 210
130 pF / l 00 V CT 1138
R 211
Ca rbon
150 pF / 400 V CK 2151
R 212 Metal
47nF / 30V CK 4470
R 213
R 214
OJ 0056 V 201 - 204 Op. Amp .
Printed Circ uit Board
ZT 0295
4416 from serial no. 575443
ZT 0295
Input Filter
STOCK
REF .
1%
47 ,5 kO
RF 4475
2,21 kO RF 3221
4, 99 kO RF 3499
5% 4,7
kO RB 3470
1% 953 0
RF 2953
9, 53 kO RF 39 53
475 0 RF 2475
47 ,5 kO
RF 4475
2,21 kO RF 3221
4, 99 kO
RF 3499
5% 4,7
kO RB 3470
1%
953 0 RF 2953
9, 53 kO
RF 3953
475 0 RF 24 75
301
VE 0044
XC 1294

BRUEL & KJA:R
Nrerum - Denmark
Circuit Diagram with Parts List
1
1
1
1
1
1
1
I
1
1
1
1
1 /
I,
QA
0048
Q 21 - 27
R 77 - 80
R 88 , 89
1.76
LED RL209
Carbon 1/ 4W
Printed Circuit Board
5%
3900
3900
Print ed Circuit Board with components
16-pole Fl exible I nterconnector
BNC Socket
7-
pin DIN Socket
Banana Socket
Mains Socket
Stand - Off
Main s Voltage Selector
Fu se, s low 220 V
Fuse,
slow 110 V
Mains Transformer
QV 4001
RB 2390
RB 2390
XC 1295
OZ 0011
AR 1010
JJ 0121
JJ 0709
JT 6204
OA 0037
XL 0163
JS 0001
VF 0012
VF 0026
TN 0103
YV
1325
~
~e
Mains Switch
Cover for above switch
"Pick up" Selector
5- pin DIN Socket
Circuit Board with components
Remote Control
Amplifier / Pow er Supply
Input Filter
GV
0673
valid from serial no . 575443
4416.2
!
@
NN 0014
DO 0088
NN 0040
JJ 0501
ZS 0098
ZT 0294
ZT 0295
2 - 1

47kO
V27,31- SN 74279
nv "
"' U
l .1t
Preamplifiers
B,2pF
C!iS 61,9kO
l.ft
1 0 +15V
O,luF
1'" 0 J..
O, I,uF
Tezz
~-15V
a,22,uf
2 x499kn
C51
'95
'96
B,2pF
C56
Pick-up
I pf
C58
V32
IpF
RI
13
loon
"
l OOn
'15
J16kO
'"
1 r-- --,
V26 -3 0 SN 7400
V29- SN 741 6
V28-SN 7420
0
:
' V"
. "
GNO I
C61 JI6 kO
2x49HO
R99 ~10 0
V1-)JA739
0''' · '0''
Ouip - lilu A I Dulp . lau B
i"p - l,!! A: 11 In p. l B
Nu " Inverti ng I Inp . "9
Invelling I Non Inverling
- v ' I .verllng
Top vi"w
RI OI
V2-7,21,22,32-34, 201-204
LM301
c,mp ·O c ,m
p
.
- I +\1
Inp ,+ I Outp -
-v • B ,la n tl
Equalizers
,--- ----
I
I
I
I
I
I
R201
3
Jt4
7n Fl
1 C113 I
.TC214 TC21 ~
I5V
L ______ _
R204
R211
J,12kO
21nF
ZT 0295
JJpF
t20'
'5Jo
R212
R 18 RI9
V35-4195 15V
c,mp ·O +
v
GNO . 1 +lSY
elmp. I B alanu
-v ' -lSV
V3 7- NPN 40407
10kO
'22
V 9- 13 , 23-25
F510
B oHo m yil'W
1l.BO
Amplifiers
Stereo Output
RB
211150 ,uF 47 .SkO
,--- ~~~~~-- ~~~~
4,
I
I
I
I
I
I
I
I
I
I
I
$+l5v
~ - 1 5v
rr=r
~
13
I
1 -------~
V38-78M05 5V
L+R
C6 C7
330 kO
'"
2.2,uF
Generator
TC25
-15'11
Zx150,uF 41,5kO
R2'
~~~~ -- -M~
41k O
'26
+IV
1k0
' 12
C 20
+ 1 5V
~nF
J-~
- .l lO OnF
-~
O{]------------- -t ------------ ---- ~_'l2 S
15
" R
+IV
+ 5V ~
47nF
lN4148 1k0
J-~
.19
R14
II S
10 R
, R
C2J
Chopper
!OkO
2HJ\.
'32
PI
V17
V2 7
A '
V17
V27
left
L+ R
- 15'11
Ri ht
IODkO
RJ1
ChOp
01
HV
OZ 0 011
,--,
I A I
I
I
I
I
I
+5V 1 kO
'86
I
I
I I
I I ... 1k0
lOut I ~
L_:J
Rumble Filter
Selector
J9kO
"'.
~8 2.5kO CJ4
JR 52
ISkO
'41
V IS
19kO
'42
'56
IN41 48
0"
15 kO 15kO
"3
'"
VI6
J9kO
" 4
Rumble Filters
2HO
'58
l1kO 12kO
R60
R62
Rumble A Rumble 8
IN4148
,10
15kO
'"
VI7
+'V O- ~~----~ -1~ --~~------~--------~---------- ~-- -------+ ------ ~
V36
IN L(lOL
+15V
- I 5 V 0----- --+- ---- -4- ---------"'-'--- --.../
+ 5V o---~ -- --'i
J9kO
'"
O,lA/ HOV
O,2A/ lI QV
575443 -19 ,75 -'416