Power Amp - YORKVILLE AP312 Service Manual

TO PIN 8 OF U2 TO PIN 4 OF U2
+VFLTA +FOPVA -FOPVA -VFLTA
R88A R86A
L-BDY L-BDY
33R 33R
C40A C37A
10N 10n
R35A R34A
10R 10R
AOG
10p
C36A
SIGA 37K90
R54A R90A
L-BDY
1K2
910R
R48A
R84A
R93A 220R
Q13A
C38A
L-BDY
J108
120K
39N
C49A
100V
150P
FET_CTRL
AOG
R47A
33U 16V
C57A
4K590
AOG

POWER AMP

M1116-PA.SCH_DATABASE_HISTORY
MODEL(S):- AP-312
# DATE VER# DESCRIPTION OF CHANGE
1 SEP/10/97 1.10 PC#5459_ADD_D29A_AT_LD1A
2 MAR/03/98 1.20 U3A_CORRECTION_TL072->33078
3 APR/14/98 1.30 PC#5686_R94A,R42A,R43A_TO_1/8W
4 . . FLAMEPROOF
5 MAY/01/98 1.40 ADD_SPEAKON
6 MAR/15/99 1.50 PC#5890_TM100_100K->10K_ADD_D31A,
7 . . R30A,R31A,Q16A
8 JUL/18/00 1.60 PC#6273_R48A_1K->220R_C38A_15N->39N
9 D V N
10 D V N
Get user manuals: See SafeManuals.com
+VFLTA
150P
100V
C10A
Q2A
MPSA93
47K
R30A
Q16A 4K7
BC560
R57A
470K
D12A
R31A
LIMA
4148
12K
R92A
-VFLTA R94A
820R
FP
R33A
R130A
9K760
470R
33078
1/2
3
U3A 1K
1
R89A
2
R121A
100p
FP
C34A
274R
Q14A
(4=+FOPVA,8=-FOPVA)
33078
BC550
1/2
R119A
BAT85
5
U3A
FP
D4A
7 274R
6
(4=+FOPVA,8=-FOPVA) R53A
4K7
R49A
1K070
270P AOG
RX1
ADJUST FOR 10 TO 12mV BETWEEN TP1 AND TP2
R36A
R109A
56K
MPSA93
1K5
Q15A
R55A R140A R141A
22K 22K 1K2
ACLP
D9A
+VFLTA
16V
Q3A
500mW
MPSA43
D19A
A
C46A
Q4A
25V
MPSA56
100u
D11A
D27A
4148
BAT85
3V0
D8A
BAT85
D6A
C45A
25V
100u
16V
R52A 500mW
82K D20A
D29A
-VFLTA
WITH AMP COLD
2K2
R87A
R110A
1K5
DATE: JUL/18/00
YORKVILLE NAME: M1116-PA
R120A
BAV21 33R
D5A
R85A
2K2
4V7
1N750A
D23A
D7A
LD2A
RED
Q9A
MJF15032
C50A
100N
R42A
1K5-FP
Q1A
R123A
4K7
FP
R91A
220R
MPSA06
R46A
62K
R51A
75R
D1A
D30A
D13A
R50A
4148
75R AOG
R56A
62K
R122A
Q5A
FP
MPSA56
220R
R43A
1K5-FP
C48A
100N
Q8A
MJF15033
LD1A
D2A
RED
4V7
IN750A
D24A
R124A
D3A
BAV21
75R
MODELS: AP-312
PCB#&VER: M1116
+63V
Q11A
MJL21193
1N4004
D26A
AOG
4R7
R125A
1
4R7
R126A
R112A
0R18
47N
L1A
C33A
5uH
R114A
1W
R111A
10R
0R18
AMP_A_OUT
2
5 3 1
JB2A
T R S
6 4 2
5 3 1
1N4004
D25A
JB1A
T R S
Q12A
6 4 2
MJL21194
AMP_A_OUT
AOG
SPEAKON
1+
1-
2-
2+
.
-63V SPEAKON
FOR EXPORT
UNITS ONLY
SHEET 7 OF 7 SCH ISSUE: 1.60
TITLE: POWER_AMP