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HA7Z Right hand channel Power amp
S:\STUART\SERV1286.SCH
Cyrus III i (HA7Z)
Gain = 52.25AV=34.36dB
Freq Resp:
4.5Hz to 79KHz
1mA 1mA 1mA 3mA 4.3mA R224 5.5mA 10mA
+VCC
R203 R211 R213 4R7
NFR
T201 560R 820R 100R GND_IP C212
BC856B 47uF
C202
47uF 63V
T211 C207
63V
2SA1038S 150pF
T202 GND_PSUR
BC856B
GND_PSUR RB+ T217
T209 T219
+CCS_R 2SC2389S
BC846B R239 R218 2SC3421-Y
T221
DNF 2k
2SD1047
R204 D204
560R
RB- 1N4002
T205A
IMZ1A
R207 C219 T213 OC+R Set bias current to 20mA
24R DNF BD235 or 8mV across the bias
R209 R221 R223 R228 C214
socket, when warm.
560R 220R 100nF
24R C205 100k
T205B R215
IMZ1A SK201
R235
39pF 150R SKTBIAS FIT WITH LINK
C201 0R22 SK202
HA7Z Right hand channel Power amp
R202 R216 R236
LIS_R
2k 820R 0R22
22uF
16V R201 C204 T206A R237 R238
SMD IMZ1A
22k 1nF 22k 3R9
R210 R217 R219 R222
COG 24R 16R 820R 100k
C218 C215
R208 C220
DNF OC-R
GND_IP GND_IP 24R 1nF 100nF SK203
T206B C209 T214
IMZ1A 2200uF RV201 BC846B
6V3 D205
c Cyrus Electronics Ltd
R205 GND_OP_R
560R R220 T222 1N4002
GND_IP R240
DNF 2k 2SB817
T210
-CCS_R 100R
T218 T220
BC856B
2SA1038S 2SA1358-Y
GND_PSUR
T203 GND_PSUR
BC846B T212 C208
2SC2389S 150pF
C203
47uF C213
T204
63V R206 R212 R214 GND_IP 47uF
BC846B
560R 820R 100R 63V
R225
-VCC
4R7
NFR
13-Aug-2001