Page 1
HA7Z Micro controller diagram.
VR501 7805
*VDD
D501
D502
D503
D504
D505
D506
D507
D508
D509
D510
D511
D512
D513
D514
D515
D516
D517
D518
D519
D520
D521
D522
D523
C501
100nF
I/P O/P
R524 330R
R525 330R
R526 330R
R527 330R
R528 330R
R529 330R
R530 330R
R531 330R
R532 330R
R533 330R
R534 330R
R535 330R
R536 330R
R537 330R
R538 330R
R539 330R
R540 330R
R541 330R
R542 330R
R543 330R
R544 330R
R545 330R
R546 330R
R547 330R
G
C502
100nF
IC505
74HC4094
4
5
6
7
14
13
12
11
IC506
74HC4094
4
5
6
7
14
13
12
11
IC507
74HC4094
4
5
6
7
14
13
12
11
*VIN
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Vol
Mute
PH
CD
TU
VI
AU
SP
Tape
S/BY
CON501
S:\STUART\SERV1586.SCH
C515
1nF
1nF
46
45
44
43
42
41
40
39
38
37
36
35
34
IR
ROT_A
ROT_B
*CLK
*DATA
DIS_CE
*VOL_CE
*SEL_CE
C514
*MAINS
*PSXO
*PSX_MOD
*FUSE
*OVER_C
CONLIF15
C516
1nF
C526
1nF
C504
100nF
C518
1nF
C517
1nF
C522
1nF
SW501
SW502
SW503
SW504
SW505
SW506
SW507
SW508
SW509
SW510
C523
1nF
C524
1nF
R518
43k
R523
20k
R521
10k
R517
43k
R522
20k
R520
10k
R519
91k
R516
43k
R515
20k
R512
10k
R549 1k
R556 1k
R557 1k
R558 1k
R559 1k
R560 1k
C525
1nF
S/BY
MUTE
BAL
PH
CD
TU
VI
AU
SP
TP
*MC_IN
*MC_OUT
*SEL_CE
*VOL_CE
*DATA
*CLK
HA7Z Micro controller diagram.
1
2
3
*VDD
1
VDD
2
OUT
3
GND
X501 8.00MHz
R508 10M
C506
22pF
R504 4k7
*VDD
R505 4k7
C507
100n
*VDD *VDD
R562
10k
IR
Use guard tracks.
C505
22pF
8
XTAL
9
PC0
10
PC1
11
PC2
12
PC3
13
PC4
14
PC5
15
PC6
16
PC7
17
RESET
18
XIRQ
19
IRQ
20
PD0
*CCS_ON
PROT_OUT
*AMPIN
IC504B
6
74HC00
R561
10k
ROT_A
ROT_B
7
EXTAL
PD121PD222PD323PD424PD525VDD26PA727PA628PA529PA430PA331PA232PA1
4
5
C511
100nF
15
1
2
3
9
15
1
2
3
9
15
1
2
3
9
C510
100nF
C512
100nF
R564 1k
C527
1nF
*VDD
12
13
C513
100nF
IC504D
74HC00
/RESET
DIS_CE
*DATA
*CLK
IC503
74HC373
2
5
6
9
12
15
16
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
*VDD
20
D0
VCC
D1
D2
D3
D4
D5
D6
D7
OE
LE
GND
3
4
7
8
13
14
17
18
1
11
RE501
ROTARY_ENC
IR501
REMOTE_EYE
10
*VDD
28
IC502
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
VPP
CE
OE
VCC
GND
27C256
D0
D1
D2
D3
D4
D5
D6
D7
11
12
13
15
16
17
18
19
/RESET
R502
10k
T502
BC846B
*VDD
R501
10k
T501
BC846B
R503
10k
R514
1k8
*VDD*VDD
10
9
8
7
6
5
4
3
25
24
21
23
2
26
27
1
*VDD
11
20
22
14
C503
C509
100nF
100nF
*VDD
16
EN
Q0
VDD
Q1
STR
DATA
Q2
CLK
Q3
Q4
Q5
Q
Q6
Q
Q7
GND
8
*VDD
16
EN
Q0
VDD
Q1
STR
DATA
Q2
CLK
Q3
Q4
Q5
Q
Q6
Q
Q7
GND
8
*VDD
16
EN
Q0
VDD
Q1
STR
DATA
Q2
CLK
Q3
Q4
Q5
Q
Q6
Q
Q7
GND
8
*VIN
*CCS_ON
*OVER_C
*PSX_MOD
9
10
R507
4k7
5
4
6
E
R/W
1
*MC_IN *MC_OUT
2
R563 1k
R550 1k
*FUSE
R551 1k
*MAINS
R552 1k
R553 1k
*AMPIN
R554 1k
*PSXO
R555 1k
IC504C
8
74HC00
*VDD
R506
4k7
1
2
3
VSS
MODB
MODA
STRA/AS
IC501
MC68HC11A8
68HC11
MICRO PROCESSOR
*VDD
*VDD
147
IC504A
74HC00
C521
1nF
R548
10R
C508
100n
50
52
51
VRL
VRH
3
C520
1nF
C519
1nF
PE247PE648PE349PE7
PE5
PE1
PE4
PE0
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA0
33
Q502 Q503 Q504 Q505 Q506 Q507 Q508
Q501
13-Aug-2001c Cyrus Electronics Ltd
MOUNTING HOLES
R511
10k
C530
100n
10k
R510
C529
100n
R513
10k
C528
100n
Page 2
Moving Magnet plugin phono stage
Cyrus III i (HA7Z)
Moving magnet
Phono stage
Input Sens = 2.75mV
Freq Resp =
RIAA +/-0.2dB
SK601
11
LINEIP_R
1
IN_L
$IN_L
2
GND_A
3
IN_R
$IN_R
13 14
PLUGIN_PHONO
LINEOP_R
+CCS_L
PH_L
-CCS_L
+15V
GND_PSU
+CCS_R
PH_R
-CCS_R
LINEOP_LLINEIP_L
12
10
9
$OUT_L
8
15
$+15V
7
16
$-15V
-15V
6
5
$OUT_R
4
$+15V
$-15V
C601
22uF
C602
22uF
S:\STUART\SERV1686.SCH
C603
22uF
16V
$IN_L
SMD
R601
300k
C605
47pF
R603
56k
$GND $GND $GND
$GND$GND
C604
22uF
16V
$IN_R
SMD
R602
300k
C606
47pF
R604
56k
$GND $GND $GND
$GND
$GND
R605
62R
R606
62R
IC601A
NE5532
3
2
R611
1
7k5
$-15V
C607
R607
62R
R609
560R
82pF
$GND
C609
10nF
2.5%
IC601B
NE5532
5
6
R613
4k7
C611
22uF
$+15V
R615
2k
R617
33k
R619
430k
7
C613
R621
510k
R623
820k
C615
10nF
2.5%
C617
22uF
2p7
R625
300k
$OUT_L
$GND
$GND
IC602A
NE5532
3
2
R612
1
7k5
$-15V
C608
R608
62R
R610
560R
82pF
$GND
C610
10nF
2.5%
IC602B
NE5532
5
6
R614
4k7
C612
22uF
$+15V
R616
2k
R618
33k
R620
430k
Moving Magnet plugin phono stage
7
C614
R622
510k
R624
820k
C616
10nF
2.5%
C618
22uF
2p7
$GND
R626
300k
$OUT_R
$GND
13-Aug-2001c Cyrus Electronics Ltd
Page 3
HA7Z Left hand channel Power amp
,
Cyrus III i (HA7Z)
Gain = 52.25AV=34.36dB
Freq Resp:
4.5Hz to 79KHz
S:\STUART\SERV1186.SCH
LIS_L
C102
47uF
63V
GND_PSUL
+CCS_L
C101
22uF
16V
SMD
R101
22k
R102
2k
GND_IP GND_IP
-CCS_L
GND_PSUL
C103
47uF
63V
1mA 1mA 1mA 3mA 4.3mA 5.5mA 10mA
R111
820R
T109
BC846B
T105A
IMZ1A
R109
24R
R110
24R
T106B
IMZ1A
T110
BC856B
R112
820R
C105
39pF
GND_IP
R115
150R
R116
R117
16R
C109
2200uF
6V3
820R
R139
DNF
R140
DNF
C119
DNF
C120
DNF
LB+
LB-
R113
100R
T111
2SA1038S
R118
2k
R119
820R
RV101
100R
T112
2SC2389S
R114
100R
T113
BD235
R120
2k
GND_IP
T114
BC846B
GND_IP
C107
150pF
C108
150pF
R121
100k
R122
100k
C104
1nF
COG
T101
BC856B
T104
BC846B
R103
560R
T102
BC856B
R104
560R
R107
24R
T105B
IMZ1A
T106A
IMZ1A
R108
24R
R105
560R
T103
BC846B
R106
560R
T117
2SC2389S
R123
560R
T118
2SA1038S
R124
4R7
NFR
R125
NFR
GND_PSUL
T119
2SC3421-Y
R128
220R
T120
2SA1358-Y
GND_PSUL
4R7
C112
47uF
63V
2SD1047
OC+L
C114
100nF
OC-L
T122
2SB817
C113
47uF
63V
T121
R135
0R22
+VCC
D104
1N4002
Set bias current to 20mA
or 8mV across the bias
when warm.
socket
SK101
SKTBIAS
R137
22k
D105
1N4002
-VCC
FIT WITH LINK
C118
1nF
R138
3R9
C115
100nF
R136
0R22
GND_OP_L
SK102
SK103
HA7Z Left hand channel Power amp
13-Aug-2001c Cyrus Electronics Ltd
Page 4
HA7Z Right hand channel Power amp
,
Cyrus III i (HA7Z)
Gain = 52.25AV=34.36dB
Freq Resp:
4.5Hz to 79KHz
S:\STUART\SERV1286.SCH
LIS_R
C202
47uF
63V
GND_PSUR
+CCS_R
C201
22uF
16V
SMD
R201
22k
R202
2k
GND_IP GND_IP
-CCS_R
GND_PSUR
C203
47uF
63V
1mA 1mA 1mA 3mA 4.3mA 5.5mA 10mA
R211
820R
T209
BC846B
T205A
IMZ1A
R209
24R
R210
24R
T206B
IMZ1A
T210
BC856B
R212
820R
C205
39pF
GND_IP
R215
150R
R216
R217
16R
C209
2200uF
6V3
820R
R239
DNF
R240
DNF
C219
DNF
C220
DNF
RB+
RB-
R213
100R
T211
2SA1038S
R218
2k
R219
820R
RV201
100R
T212
2SC2389S
R214
100R
T213
BD235
R220
2k
GND_IP
T214
BC846B
GND_IP
C207
150pF
C208
150pF
R221
100k
R222
100k
C204
1nF
COG
T201
BC856B
T204
BC846B
R203
560R
T202
BC856B
R204
560R
R207
24R
T205B
IMZ1A
T206A
IMZ1A
R208
24R
R205
560R
T203
BC846B
R206
560R
T217
2SC2389S
R223
560R
T218
2SA1038S
R224
4R7
NFR
R225
NFR
GND_PSUR
T219
2SC3421-Y
R228
220R
T220
2SA1358-Y
GND_PSUR
4R7
C212
47uF
63V
2SD1047
OC+R
C214
100nF
OC-R
T222
2SB817
C213
47uF
63V
T221
R235
0R22
+VCC
D204
1N4002
Set bias current to 20mA
or 8mV across the bias
when warm.
socket
SK201
SKTBIAS
R237
22k
D205
1N4002
-VCC
FIT WITH LINK
C218
1nF
R238
3R9
C215
100nF
R236
0R22
GND_OP_R
SK202
SK203
HA7Z Right hand channel Power amp
13-Aug-2001c Cyrus Electronics Ltd
Page 5
HA7Z I/P and Volume Control
CON302
TO PHONO GND POST
R324
100R
SK303A
SK301A
CD_R
CD_L
SK301B
TU_R
TU_L
SK302A
VI_R
VI_L
SK302B
AU_R
AU_L
SK303B
SP_R
SP_L
SK304A
TPIN_R
TPIN_L
SK304B
TPOP_R
TPOP_L
SK305A
SK305B
C333
1nF
R327
1k
13-Aug-2001c Cyrus Electronics Ltd
R325 2R2
R326 2R2
PRE_R
PRE_L
GND_D
C334
1nF
C352
1nF
GND_IP
C314 100pF
C332 100pF
C331 100pF
R328 1k
R329 1k
GND_IP GND_IP VDD VDD VDD
PL101 PLUGIN_PHONO
11
1
2
3
13 14
C313 100pF
R321 100k
D301
BAS16
R320 100k
LINEIP_R
IN_L
GND_A
IN_R
C312 100pF
D302
BAS16
R319 100k
LINEOP_R
+CCS_L
-CCS_L
GND_PSU
+CCS_R
-CCS_R
LINEOP_LLINEIP_L
C311 100pF
D303
BAS16
PH_L
+15V
PH_R
R318 100k
VDD
IC301
74HC4094
16
15
EN
Q0
VDD
1
2
3
STR
DATA
CLK
Q1
Q2
Q3
Q4
9
Q5
Q
Q6
Q
Q7
GND
IC302
ULN2004A
4
IN_11OUT_1
5
2
IN_2
6
3
IN_3
7
4
IN_4
14
5
IN_5
13
6
IN_6
12
7
IN_7
11
8
GND
8
GND_D GND_D
R367
390R
R355
LM1972
IN 2
GND 2
VSS 1
OUT 2
GND AC
VDD 2
GND AC
VDD 1
100k
IN 2
20
19
GND_IP
18
-5V
17
16
15
+5V
14
13
12
Q
11
R336
2k
-5V -5V
IC303
1
GND 1
2
OUT 1
3
GND AC
4
IN 1
5
GND AC
6
GND AC
7
VSS 2
8
GND DIG
9
CLOCK
SHIFT10DATA
+5V -5V
C343
C344
47uF
47uF
63V
63V
R360 10k
R361 10k
R362 10k
C336
1nF
GND_IP
R364 100R
DATA
VOL_CE
CLK
GND_D
CCS_ON
PRE_L PRE_R
T302
BC818-25
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
VDD
D307 BAS16
D308 BAS16
R339
11k
GND_D
R340
11k
GND_IP
16
15
14
13
12
11
10
9
+5V+5V
3
2
GND_IP
5
6
GND_IP
R365
100k
R332 100k
RL1
RL2
RL3
RL4
RL5
RL6
RL7
VDD
R343 10k
C349
10pF
IC304B
OPA2604
R344 10k
C350
10pF
R333
2k
GND_D GND_D
IC304A
OPA2604
1
-15V
R351
3k3
+15V
7
R352
3k3
MUTE5V
R335
100k
-5V
VDD VDD
C347
100nF
C339
R347
560R
100uF
6V3
SMD
R345
100k
GND_IP
+15V -15V
C345
47uF
63V
GND_IP GND_IP
C340
R348
560R
100uF
6V3
SMD
R346
100k
GND_IP
T301
BC856B
R334
2k
C348
100nF
GND_IP
GND_IP
GND_IP
PRE_L
LIS_L
C341
100pF
C346
47uF
63V
PRE_R
LIS_R
C342
100pF
T303
BC818-25
HA7Z I/P and Volume Control
RL1
VDD
R353
1M
SEL_CE
DATA
CLK
R363
1k
12
10
T=0.1s, uproT=1mS
9
8
15
+15V
7
GND_REG
16
-15V
-15V
6
VDD
RL301
5
4
RL302
RL2
GND_D
VOL_R VOL_L IN 1IN 2
RL303
RL3
R354
100k
C351
100nF
R366
390R
C335
1nF
GND_D
D305 BAS16
D306 BAS16
GND_IP GND_IP
RL304
RL4
GND_IP
IN 1
C310 100pF
R317 100k
D304
BAS16
C309 100pF
R316 100k
R330
47k
C308 100pF
R315 100k
MC_IN
MC_OUT
C307 100pF
R314 100k
C306 100pF
C305 100pF
R313 100k
CCS_ON
GND_D
AMPIN
GND_D
PSXO
R312 100k
C304 100pF
C303 100pF
R311 100k
R337
R331 1k
R358 100k
RL305
RL5
RL306
RL6
R322
R323
100R
R350 100k
IC305F
74HC14
R356
100k
IC305C
5 6
74HC14
100R
1312
GND_D
R357
100k
OVER_C
PSX_MOD
FUSE
MAINS
C301 100pF
C302 100pF
R310 100k
10k
IC305E
74HC14
IC305D
74HC14
R349 100k
GND_IP
1110
VDD
98
R359
100k
VIN
CON301
RL307
C329
C330
CONLIF15
RL7
100uF
100uF
GND_D
SEL_CE
VOL_CE
DATA
CLK
6V3
6V3
VOL_R
VOL_L
-5V
VDD
IC305A
74HC14
147
GND_D
3 4
74HC14
IC305B
12
MC_IN
MC_OUT
S:\STUART\SERV1386.SCH
Page 6
HA7Z PSU and protection diagram
S:\STUART\SERV1486.SCH
CON407
AMPIN
BLACK
CON408
BLUE
CON409
RED
CON401
PSXO
WHITE
CON402
YELLOW
1N5402
100nF
1N5402
100nF
1N5402
100nF
1N5402
100nF
CON403
GREEN
CON410
GND_AC GND_AC
CON404
GREY
CON405
ORANGE
1N4002
100nF
1N4002
100nF
1N4002
100nF
1N4002
100nF
R460
1R NFR
R401
1R NFR
CON406
VIOLET
D409
D410
BAS16
BAS16
R402
C427
1k
22uF
13-Aug-2001c Cyrus Electronics Ltd
63V
GND_DGND_D
D413
R410
22k
1N4002
C401
22uF
63V
GND_D GND_D
C417
D401
C418
D402
D403
C419
D404
C420
C421
D405
C422
D406
D407
C423
D408
C424
VIN
VDD
R403
47k
MAINS
+PSU
C415
7000uF
50V
C416
7000uF
50V
-PSU
C425
2200uF
D414
BAS16
PSX_MODVDD
R412
47k
R411
4k7
FS401
4 Amp fast
R424
22k
D411
1N4002
D412
1N4002
R425
22k
FS402
4 Amp fast
VR401
7805
I/P O/P
Placed at CON301
G
C409
100nF
Cyrus III i
Power supply
VDD
T405
BC856B
GND_D GND_D
+VCC
ST401
GND_PSUR
GND_D GND_OP_R
GND_OP_LGND_REG
GND_PSUL
-VCC
VDD
C426
22uF
63V
GND_D
LB+
R413
R414
820R
47k
12
34
IC401
SFH610-2
RB+
R416
R415
47k
820R
12
34
IC402
SFH610-2
LB- RB-
R421
3k3
R422
3k3
+CCS_R
R406
4k3
R462
4k3
VR402
7815
I/P O/P
C402
22uF
63V
C404
22uF
63V
I/P O/P
VR403
7915
T406
R417
+PSU +15V
1R
NFR
T406/407 Use with heat sink
TIP31
R419
7k5
GND_IP
GND_REG
R420
7k5
R418
-PSU
1R
T407
NFR
TIP32
+CCS_L
R461
4k3
R407
2k
R408
4k3
T401
BC846B
T403
BC856B
CCS_ON
GND_IP
-CCS_L -CCS_R
VDD
R467
33k
C429
100nF
ISSue 6 to inclued temperature mods and over voltage detection mods
POWER SUPPLY 1/12
25V > TRIP > 50V
R454
47k
R452
100k
R453
100k
R428
3k
R430
1k8
R431
1k8
R429
3k
Q402
Q404Q403
R465
2k
R466
2k
C406
100nF
C407
100nF
T408
BC846B
D422
5V6
D423
5V6
T409
BC856B
+5V
GND_REG
-5V
+VCC
Q401
R409
C428
560R
1nF
GND_D
GND_D
+15V
G
C403
22uF
63V
C405
22uF
63V
G
GND_IP
-15V
-15V
-VCC
THERMAL SENSOR
ON @73DEG OFF @69DEG
R469
100k
TH401
R468
390R
33k
2322 640 63333
R470
T411
BC846B
10k
GND_D
VDDVDD VDD
R456
3k9
5
6
R457
10k
IC404B LM393
IC404A
3
2
R455
R458
4k7
10k
GND_D GND_D GND_D
LM393
T412
BC856B
R471
100k
7
1
R459
10k
D421
OVER_C
BAS16
FUSE
HA7Z PSU and protection diagram
GND_D
R448
10k
R449
1k8
VDD
D417
BAS16
R450
20k
GND_DGND_D
R451
10k
C408
100nF
OVER_C
GND_D
R463
22k
D418
5V6
VDD
+PSU
R464
22k
T410
BC846B
D419
BAS16
D420
BAS16
MUTE5V
OC+L
OC-L
OC+R
OC-R
R438
R439
R440
R441
68k
68k
68k
68k
R442
13k
GND_D GND_D
R443
13k
GND_D GND_D
OC TRIP = 15A LF, 20HF, 25A TRAN.
IC403A TL072
R444
15k
3
2
R446
100k
-15V
D415
1
BAS16
+15V
R445
15k
5
6
IC403B TL072
R447
100k
D416
7
BAS16
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