Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment CYRUS Cyrus 3 cyrus 3 Cyrus-3pre amp
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HA7Z I/P and Volume Control
S:\STUART\SERV1386.SCH
PL101 PLUGIN_PHONO VDD VDD
CON302 11 12
LINEIP_R LINEOP_R
16
10 IC301
TO PHONO GND POST +CCS_L R353
T=0.1s, uproT=1mS
74HC4094 IC302
1 IN_L PH_L 9 1M ULN2004A
VDD
R324
15 EN Q0 4 1 IN_1 OUT_1 16 RL1
-CCS_L 8
100R VDD R363 1 5 2 15
15 SEL_CE STR Q1 IN_2 OUT_2 RL2 VDD VDD
+15V +15V 1k 2 6 3 14
2 7 RL301 DATA DATA Q2 IN_3 OUT_3 RL3
GND_A GND_PSU GND_REG RL1 C347 C348
CLK 3 CLK Q3 7 4 IN_4 OUT_4 13 RL4
16 100nF 100nF
-15V -15V 14 5 12
SK303A 6 Q4 IN_5 OUT_5 RL5
R325 2R2 GND_IP +CCS_R
13 6 11 GND_D GND_D
3 IN_R PH_R 5 Q5 IN_6 OUT_6 RL6
9 Q Q6 12 7 IN_7 OUT_7 10 RL7
4
GND
-CCS_R C351 C335
R326 2R2 11 8 9
13 14 100nF 1nF Q Q7 GND VDD VDD
LINEIP_L LINEOP_L RL302
SK301A RL2
8
CD_R
GND_D GND_D +5V GND_D GND_D +5V
D305 BAS16 D307 BAS16
CD_L VOL_R IN 2 VOL_L IN 1
R366 R367
SK301B
TU_R 390R 390R
RL303
RL3 R354 R355
100k D306 BAS16 100k D308 BAS16 IC304A
-5V -5V3 OPA2604
TU_L C339
1 R347
2 PRE_L
SK302A GND_IP GND_IP 560R
-15V 100uF
VI_R LIS_L
IC303
IN 2 6V3
LM1972 R343 10k
1 20 SMD
VI_L RL304 GND_IP GND 1 IN 2
RL4 2 19 R351 C341
OUT 1 GND 2 GND_IP R345
SK302B 3 18 3k3 100k 100pF
AU_R
GND AC VSS 1 -5V C349
R339 10pF
IN 1 4 IN 1 OUT 2 17 11k
5 16 GND_IP GND_IP
AU_L
GND AC GND AC
6 GND AC VDD 2 15 +5V GND_IP
SK303B RL305 7 14 +15V -15V
SP_R
RL5 -5V VSS 2 GND AC
8 GND DIG VDD 1 13 C345 C346
9 12 47uF 47uF
SP_L
CLOCK Q 63V
63V
10 11 R336
HA7Z I/P and Volume Control
SHIFT DATA
SK304A 2k GND_IP GND_IP
IC304B
TPIN_R OPA2604
RL306 +5V -5V
RL6 5 +15V C340
TPIN_L C343 C344 7 R348
6 PRE_R
47uF 47uF 560R
63V 63V 100uF
SK304B
TPOP_R
LIS_R
R344 10k 6V3
SMD
GND_IP GND_D
TPOP_L R360 10k R352 R346
DATA C342
c Cyrus Electronics Ltd
RL307
R322 100R
R323 100R R361 10k R364 100R 3k3 100k 100pF
SK305A RL7 VOL_CE C350
C329 100uF 6V3 R362 10k R340 10pF
PRE_R CLK
VOL_R 11k GND_IP GND_IP
C331 100pF
C332 100pF
C314 100pF
C313 100pF
C312 100pF
C311 100pF
C310 100pF
C309 100pF
C308 100pF
C307 100pF
C306 100pF
C305 100pF
C304 100pF
C303 100pF
C302 100pF
C301 100pF
R321 100k
R320 100k
R319 100k
R318 100k
R317 100k
R316 100k
R315 100k
R314 100k
R313 100k
R312 100k
R311 100k
R310 100k
R349 100k
R350 100k
C336
PRE_L C330 100uF 6V3 1nF
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