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1 2 3 4 5 6 7 8
LK1001 LK1007 LK1013 LK1019 LK1025 LK1031 LK1037 LK1043 LK1049 LK1055 LK1067 LK1073 LK1079 LK1085 LK1091 LK1097 LK1103 LK1109 LK1115 LK1121 LK1127 LK1133
WAF
LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP
LK1002 LK1008 LK1014 LK1020 LK1026 LK1032 LK1038 LK1044 LK1050 LK1056 LK1062 LK1068 LK1074 LK1080 LK1086 LK1092 LK1098 LK1104 LK1110 LK1116 LK1122 LK1128 LK1134 WAF
LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP WAF
LK1003 LK1009 LK1015 LK1021 LK1027 LK1033 LK1039 LK1045 LK1051 LK1057 LK1063 LK1069 LK1075 LK1081 LK1087 LK1093 LK1099 LK1105 LK1111 LK1117 LK1129 LK1135
LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP
EL2
D D
LK1004 LK1010 LK1016 LK1028 LK1034 LK1046 LK1052 LK1058 LK1064 LK1070 LK1076 LK1082 LK1088 LK1094 LK1100 LK1106 LK1112 LK1118
LK1130 LK1136
Update Box
LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP
LINK10NP LINK10NP
UPDATE_BOX
LK1005 LK1011 LK1017 LK1023 LK1029 LK1035 LK1041 LK1047 LK1053 LK1059 LK1065 LK1071 LK1077 LK1083 LK1089 LK1095 LK1101 LK1107 LK1113 LK1119 LK1125 LK1131 LK1137
LINK10NP LINK10NP LINK10NP LINK10NP DD
LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP
Drilling
LK1006 LK1012 LK1018 LK1024 LK1030 LK1036 LK1042 LK1048 LK1054 LK1060 LK1066 LK1072 LK1078 LK1084 LK1090 LK1096 LK1102 LK1108 LK1114 LK1120 LK1132 LK1138
Detail
LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP LINK10NP DRILL_DETAIL
PD2 PD3 PD4 PD5
TOOLING TOOLING TOOLING TOOLING
Y1 Y2
MAINS INPUT TX WIRE CLIP WIRE CLIP
TX
PS
C200
SK201
! Photo Strip
IEC3 NOTE :
1N0 CD ACLT WINDINGS ON
PHOTO_STRIP
ALPHA 6 TX1 ONLY !
PD8 PD9
N E L R204 TARGET1 TARGET1
ATE_PAD PSUP P15V
+37V Z201
TP1
TX1 GREY1 470R FU
TP2
! SK6 ACLT1 D203 7815 P15V
L
E
N
R205 I O
1 Vin Vout TP3
Grey 470R FU
GND
MAINS_N
SELECT VOLTAGE
9Vac Grey
2 GREY2 UF5403
BY FITTING FS201 ATE_PAD R206 PD10 PD11
C OR FS202 CAGECLAMP2 TOOLING TOOLING C
470R FU
+ C204
G
T2 C206
MAINS_E 230V + C210
10M EL 50V 100N PC C208 10U EL
OR1
CAGECLAMP3 ATE_PAD D204
POWRE 4N7 PP
SK4 SK7
MAINS_L
3 1 BLUE1 UF5403
FS201 T3 Orange Orange DD1
AS1A25
2 115V
Dark Grey Blue
2
MAINS SWITCH ! 1 3 Drilling Detail
Blue Orange ATE_PAD
Issue Box
SW201A SW201B C201 ! CAGECLAMP3A
DD_ISSUE
! OR2
ATE_PAD
A1007 4N7 MAINS
T1 !
FS202
BLUE2 C209
AS2A5_115V + C211
A1007 ATE_PAD L815TX 4N7 PP
D201 + C205 C207 10U EL
SK5 100N PC
GREEN 1 SCREEN 10M EL 50V
Green
G
ATE_PAD UF5403
CAGECLAMP1 R201
W10
470R FU
GND
PD1
TOOLING ! !
FIT ONLY ONE FUSE D202
R202 I O
Vin Vout TP6
Chassis Earth Point, 470R FU
Use correct screw and washer. UF5403 Z202 N15V
TP4
TP5
-37V R203 7915
N15V
B NSUP 470R FU B
ACSENSE
!
R207 MS
100R MF
MAINS SW SPACER
TP28
MAINS_SW_SPACER
Test point for service engineers are shown as
See additional service documentation for details.
A DRAWING TITLE A
23425
ALPHA 7, 8, 8P & 5.2 AMP
97_1055 UPGRADE MODS
A & R Cambridge Ltd.
W12
Pembroke Avenue Circuit Diagram 97-1062 UPGRADE CORRECTION CHANGES
Denny Industrial Centre
WARNING SAFETY CRITICAL COMPONENT Waterbeach Sheet 1 of 6 97-1110 9-Dec-1998 Z801 to Philips only L817CT1 11
! REPLACE WITH IDENTICAL PART Cambridge CB5 9PB Phil
Filename ECO No. DATE DESCRIPTION OF CHANGE DRAWING NO. ISSUE
C:\TEMP\L817c111.sch DRAWN BY CHK BY
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
10
11
12
Z305A
NE5532
TP7
3
SW302D C702 1 C706
+
4PCO 2 10U EL
D 47P CD D
2 LK701 1
1
R701
10MM LINK 47K MF R703 R704 R505
C701
680K MF 56K MF R705 4K7 MF
820R MF SW305B
100P PP
4
5
6
C704 C705 A1202
R702
11
LK702
820R MF
4N7 PP 10MM LINK SW301B
PHINL 1N3 PP 10
2
2PCO
SW302B
4 9 12 R502
C703 47K MF
SK301A +
22U EL PREOL
5 8 R501
1K8 MF
6 LK9 7
N 8P ONLY
PHINE 4PCO FITTED BY HAND PREOUTL
LK804
ON ALPHA 5.2 AMP ONLY
EMC
10MM LINK
MINI_LK TUNL COL AUXL AVL TAPL
F
1 2
1
PREAMP OUT
PHONO4G Z305B 8P - PWR IN
TP8
7
8
9
C606 RV301B
5 NE5532 TAPE OUT 20K LOG POT
TUNER CD AUX AV TAPE IN TAPEOL
7 8P - LINK VOLL
+
C602 6 C305
PHINR SW302C SK301B
4PCO 10U EL PHONO4G 47P CD
47P CD
C 2 1
N N N N N N N C
LK601
1
EMC
EMC
EMC
R601 R603 R604 C304 SIGE
10MM LINK F
C303
F SK302A F F F F F
47K MF 680K MF 56K MF R605 PHONO4G RV301A
C601 1 1 1 C306
820R MF 1N0 CD 20K LOG POT
100P PP C604 C605 1N0 CD TAPEOR
R602 SK303A SK304A 47P CD VOLR
LK602 SK303B PHONO4G SK304B
820R MF SK302B PHONO4G PHONO4G PHONO4G
4N7 PP 1N3 PP 10MM LINK
PHONO4G LK803
2
1 2
1
C603 TUNR COR AUXR AVR TAPR 10MM LINK
SW302A
+
22U EL 8P ONLY
4PCO 2
R401 PREOUTR
3 2 1K8 MF
SW305A SW301A R402
3 A1202 2PCO 47K MF
LK8 PREOR
MINI_LK 4 1
FITTED BY HAND
1
2
3
ON ALPHA 5.2 AMP ONLY 5
6 R405
4K7 MF
B B
LK901A
1
2
3
4
5
6
7
8
L809CA
P15V
C301
8
10N CD
Z305C
NE5532
Key to component numbers:
A DRAWING TITLE A
0xx Power amp L