"LR_0C" RIAA Phono Stage Rev 3.0 2005-11

"LR_0C" RIAA Phono Stage Rev 3.0 2005-11
C
D
E
F
G
H
I
J
K
3
B
5
A
DIN 5pin F
D3a
8
9
R4
1
stereo/mono
Axicom IM06
R2
R-
7k68 (8k2+120k parallel)
Tantalum
L-
Axicom IM06
4
2,3
n/c
Tantalum
D4
2123 Hz pole
R+
K5b
10nF 63V
K1
D3
n/c
2
L+
3
3
RK6a
1k0
R10
D1…D5 UF1007
D1
D2
R8 910R
2
R out
balanced
K5a
L+
50 Hz pole
2
2
XLR
3
3
1
D5
3
CAMAC
R-
L+
-2.1V
R7
Tantalum
8k06 (8k2+330k par)
R out
unbalanced
10uF 300V MP
gry
C1
org
1
R22
330R
red
500 Hz zero
V1
R1
150K
Tantalum
R12 200R
Bourns 3386F-1-201
5
4
2,3
1 Meg
10nF 63V
b/w
bla
LL1670
VIO
wht T2
Sowter 9853 1.8H
L2
100R
-2.1V
4K12
6k8
ORG
BLU
1
100R
950pF
BRN
YEL
whi
D3a
blu
9
R5
GRY
GRN
org
8
T5
Jensen JT-346-AX 1:12
RED
7
V2
7
Axicom IM02
Sowter 9852 1H
transformer
compensation
100nF 250V
K2
2
red
200 Vdc 20mA
Sowter 9851 3:1
1R0 1%
K4a
wht
L1
100nF 250V
T1 Sowter 9850 2:1
C4
1
4
1R0 1%
10uF 300V MP
MM in (~2.5mV, 47k; gain 40dB)
200 Vdc 20mA
2
5
1
R3
330R
on main PCB
3
5
20 Hz adj
R16
9
1
R15
7k68 (8k2+120k parallel)
Tantalum
CAMAC
R19
Tantalum
8k06 (8k2+330k p)
1k0
-2.1V
K4b
100R
2123 Hz pole
50 Hz pole
C2
10uF 300V MP
100nF 250V
R17
2,3
2,3
8
L out
balanced
R20 910R
Tantalum
5
310nF 63V
K1
9
2+
XLR
8
1
bla
D8
D7
D7…D11 UF1007
1 Meg
10nF 63V
b/w
LL1670
5
950pF
VIO
GRN
-2.1V
4K12
ORG
BLU
whi
100R
6k8
BRN
YEL
1
R14
150K
Tantalum
D3a
4
L out
unbalanced
gry
D10
R23
GRY
4
RED
9
R18
Jensen JT-346-AX 1:12
L4
D9
8
org
V3
330R
Axicom IM06
red
500 Hz zero
transformer
compensation
blu
Sowter 9853 1.8H
200 Vdc 20mA
7
4
T6
org
wht T4
Sowter 9852 1H
100nF 250V
D3a
R25 200R
Bourns 3386F-1-201
V4
Sowter 9851 3:1
1R0 1%
R9
330R
C4
10uF 300V MP
L3
K3
Axicom IM02
5
Sowter 9850 2:1
wht T3
red
5
1R0 1%
200 Vdc 20mA
4
MC in (~0.25mV; gain 60dB)
1
4
DIN 5pin F
7
2
D11
K6b
9
8
20 Hz adj
9Vdc
balanced/
unbalanced out
MM/MC in
mono/
stereo
K1
K6
S
Q1 IRF840
Power
Standby
300k
C5
R6 330K
R32
10R0
1N4148
G
R31
1
Nais TQ4-12
D32
D
D31 BZX79-C5V6
5.6V 500mW 5%
D30
R30
1000uF 25V
6
SHIE
GREY 12V
PINK Standby
BLUE Power on
YEL Heater return
BRN B+1
WHT GND
RED B+2
GRN Heater +
Mute on
5.6V 500mW
3k9
5.6V 500mW
5.6V 500mW
1
L7809CV
R21
220K
Power on
10
3k9
4 x LED blu 12V
EBT 1903257
K5
51R
51R
Heater on
3k9
2
51R0
K4
330nF
10nF
4.5V 140mW
3
7
U-Link
10nF
4.5V 140mW
K3
K2
U-Link
6
Epcos B82502
33mH 1A
B+ on
EARTHGND
1N4007
100K
7
Mute Relay Circuit delay approx 90 sec
Mute
3 x APEM AV6
"LR_0C"
RIAA Phono Stage
Rev 3.0 2005-11-27
© Steve Bench
8
Chassis GND
A
B
C
D
E
F
G
H
I
J
K
8
A
B
C
D
E
F
G
H
I
J
K
N
G
L
1
Schurter CD11
230 Vac
68nF
1
1
2 x 10 mH
GND
B+ 1
8
2
7
3
6
4
2 x 315mA slo
5
2
Heater -
12Vdc 800mA
U3
L7812CV
in: 230Vac
out: 15Vdc
K3
K4
3
B+ 2
2 x M15F12
K5
L5
33mH 1A
43 V
U-Link
R13
39K2
R14
D8
43V 500mW 5%
1N5260B
100K
R13
1N5260B
D14
43V 500mW 5%
5
D15
LED blue
B+ ok
4K22
R8
MPSA42
R9
Q4
150K
200pF
C10
G
150K
R6
51K1
150K
MPSA42
R7
51K1
R5
100uF 350V
4 x UF1007
100K 2W
C3
100uF 350V
YEL
2 x M15F12
K3
5
K4
BLU
Q3
39K2
100R 1W
C9
100R 1W
R3
RED
ORG
100uF 350V
WHT
PIN
D3-D6
C4
BRN
R2
C2
GRN
260Vdc
R1
4
D9
Q2 IRF840
D
S
200pF
WagnerGrimm
18+18:115+115V 50VA
41K2
Q2 IRF840 D7
D
S
T2
R11
41K2
4
5.6V 500mW 5%
1N5232B
R10
R12 150K
5.6V 500mW 5%
1N5232B
R4
G
K2
Power On
Stand by
K2
210Vdc 50mA
15Vdc 800mA
CHASSIS GND
12Vdc +
210Vdc 50mA
C12
Traco TOM 21215
100nF 50V
K1
3
K1
2
SCR
2 x 2.2nF
Heater +
Epcos B82502
SIGNAL Gnd
6
1N5232
5.6V 500mW 5%
1k2
7
12.6 (8) V
R21
D17
4k22
R20
D16
LED blu HTR OK
C7
1mF 25V
G5V1-12
R15
1k13
18V
1mF 25V
K5
R16
124R0
D11
1
1mF 25V
D13
124R0
2
1k6
C8
PCB
LM317T
U1
C5
23V
Heater Reference
floating = n/c
+18 V = 1+2
-12.6V = 2+3
1N4007
3
1k65
7
R17
U2
SB560
R18
BLU
2
1
YEL
LM317T
1
2
3
1N4007
1mF 25V
WHT
PIN
22mF 25V
RED
ORG
3
C1
GRN
1N4007
SB560
1N4007
T2
WagnerGrimm
115+115:18+18V 50VA
BRN
D15
D12
C6
6
J1
"LR_0C"
Power Supply
Rev 2.0 2005-11-21
© Steve Bench
all rights reserved
CHASSIS GND
8
A
B
C
D
E
F
G
H
I
J
K
8
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