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G
G
ORANGE 100nF 100nF 100nF 100nF 1N4002 1N4002 1N4002 1N4002
C422
G
HA7Z PSU and protection diagram c Cyrus Electronics Ltd 13-Aug-2001
S:\STUART\SERV1486.SCH
VDD
CON407 BLACK CON408 BLUE CON409 RED CON401 WHITE C417 D413 1N4002 C401 22uF 63V R410 22k
PSX_MOD
VDD
R413 820R
LB+
R414 47k R415 820R
RB+
R416 47k Q401 Q402
VDD
AMPIN
THERMAL SENSOR ON @73DEG OFF @69DEG
D421
D414 BAS16
OVER_C
BAS16 C428 1nF R409 560R Q403 Q404
1
3
1
R412 47k R411 4k7
IC401 SFH610-2
IC402 SFH610-2
R467 33k
TH401 33k 2322 640 63333
T405 BC856B
3
R469 100k R470 10k
T412 BC856B
GND_D GND_D
2
4
2
4
PSXO
GND_D
GND_D
GND_D
LB-
GND_D
RB+15V
R465 R428 2k 3k T408 BC846B C429 100nF R468 390R
T411 BC846B R471 100k
CON402 YELLOW 100nF 1N5402 100nF 1N5402 100nF 1N5402 100nF 1N5402 CON403 GREEN CON410
D401
+PSU
FS401 4 Amp fast
+VCC
ST401
+PSU
R417 1R NFR
T406
TIP31
VR402 7815
I/P O/P
R419 7k5 R421 3k3 C402 22uF 63V C404 22uF 63V R422 3k3
+15V
GND_D
ISSue 6 to inclued temperature mods and over voltage detection mods
C418 C415 7000uF 50V
R424 22k
D402
D411 1N4002
GND_PSUR GND_D GND_OP_R GND_IP
T406/407 Use with heat sink
C403 22uF 63V C405 22uF 63V
R430 1k8
C406 100nF
+5V
D422 5V6 POWER SUPPLY 1/12 25V > TRIP > 50V
VDD
R456 3k9
VDD
VDD
R459 10k
D403
GND_IP
R431 1k8 C407 100nF D423 5V6 GND_REG
GND_AC
C419
GND_AC
C416 7000uF 50V
D412 R425 1N4002 22k FS402
GND_REG GND_PSUL -VCC
GND_OP_L
GND_REG
R420 7k5
5 6
R457 10k
-5V
T409 BC856B
+VCC
R454 47k R452 100k
7
IC404B LM393
CON404 GREY
D404
IC404A LM393
C420
-PSU
-PSU
R418 1R NFR T407 TIP32
I/P O/P
VR403 7915
-15V -15V
4 Amp fast
R429 3k R466 2k R453 100k R455 4k7 R458 10k
3 2
1
FUSE
C421
-VCC
CON405 D405
VIN
Placed at CON301
VR401 7805
GND_D GND_D
GND_D
HA7Z PSU and protection diagram
I/P O/P
VDD
D406
+CCS_L
R461 4k3
+CCS_R
R406 4k3
VDD
OC TRIP = 15A LF, 20HF, 25A TRAN. R438 68k R439 68k R442 13k R444 15k IC403A TL072 D417 BAS16 R448 10k R450 20k R451 10k
D407
C425 2200uF
C409 100nF
R460 1R NFR R401 CON406 VIOLET 1R NFR
C423
C426 22uF 63V
OC+L OC-L CCS_ON
T401 BC846B
3 2 -15V
R446 100k
1
D415 BAS16
+PSU OVER_C
R463 22k R464 22k
D408 R407 2k
C424
GND_D OC+R
T403 BC856B
GND_D GND_D
R440 68k R441 68k R443 13k R445 15k
+15V 5 6
IC403B TL072 R447 100k
C408 100nF
T410 BC846B D418 5V6
VDD
D409 BAS16 D410 BAS16 R403 47k
7
D416 BAS16 R449 1k8
GND_DGND_D
OC-R
D419
MUTE5V
BAS16 D420
GND_IP MAINS
R408 4k3
R462 4k3
GND_D
VDD
BAS16
GND_D GND_D -CCS_L
Cyrus III i Power supply
GND_D
C427 22uF 63V
R402 1k
-CCS_R
GND_D GND_D