Cyrus CD T - Page 31

Vdda1
7
Vdda2
16
Vssa1
5
Vssa2
17
Vrefo
8
Iref
6
D1
9
D2
10
D3
11
D4
12
R1
13
R2
14
Vssa3
20
OSCOUT
18
OSCIN
19
Vddd1
41
DACRN
23
DACLP
26
DACV+
27
DACRP
22
DACLN
25
DACVref
24
CSLICE
15
TEST1
76
CL16
49
DATA
46
WCLK
47
SCLK
48
EF
45
TEST2
77
LKILL
34
Vssd1
40
V2
72
WCLKIN
43
DATAIN
42
SCLKIN
44
RESET
51
SDA
52
SCL
53
RAB
54
SILD
55
STATUS
56
TEST3
78
RCK
57
SUB
58
SFSY
59
SBSY
60
CL4/12
50
Vssd2
61
DOBM
62
Vddd3
70
CFLG
39
RA
64
FO
65
SL
66
Vddd2
63
Vssd3
69
MOTO1
67
MOTO2
68
V4
74
V5
75
V1
71
LASER
80
DC OFFSET COMP VOLTAGE BUFFER
HF & LF CAPTURE
ANTI ALIAS
CONTROL
FUNCTION
OUTPUT
STAGES
MICRO
INTERFACE
CONTROL
PA RT
MOTOR
CONTROL
ERROR
CORRECTOR
FLAGS
GEN
BIAS
TEST
TIMING
DECODER
MICRO-
CONTROLLER
INTERFACE
DIGITAL
PLL
EFM
DEMODULATOR
SRAM
RAM
ADDRESSER
SUBCODE
PROCESSOR
AUDIO
PROCESSOR
EBU
INTERFACE
SERIAL
DATA
INTERFACE
SERIAL
DATA
INTERFACE
(LOOPBACK)
PEAK
DETECT
BITSTREAM
DAC
KILL
VERSATILE
PINS
INTERFACE
RKILL
35
V3
73
DACGND
21
BUFOUTR
30
BUFOUTL
31
BUFINR
29
BUFINL
32
HEADPHONE
BUFGND
33
BUFV+
28
TEST4
79
CD TEXT
CDTRDY
36
CDTDAT
37
CDTCLK
38
DATA SLICER
THRESHOLD
CONTROL HP FILTER
DISC ADC
D1 - D4 SUM
MONITOR
3
SENSE
4
EXFILTER
2
LPOWER
1
IC401
SAA7826
D1
D2
D3
D4
S1
S2
VCOM
RF_BUFF
CON401
CONLIF24
FOCUS+ FOCUS- RADIAL+ RADIAL-
SF-HD850 OPU assembly
F-
F+
T+
T-
C
D
CD/DVD SW
RF
A
B
F
GND-PD
Vc(Vref)
Vcc
E
n.c.
VR-CD
VR-DVD
CD-LD
MD
HFM
n.c.
DVD-LD
GND-LD
+5V_CD
C401
22n
HF_GND
HF_GND
Sanyo SF-HD850 detector arrangement
CD
BA
E
F
FE=(A+C) - (B+D)
When FE minus, disc is
closer than focus point
EQSEL
0: n = 1
1: n = 2
x: n = 4
CDRW GAIN
0=1
1=4
R405 100R R406 100R
LD MON
LD
MON
R410
24k
C409
1n5 C0G
C402
22n
2.1V
C425
100n
HF IN 'EYE PATTERN'
0.65us
R466
100k
C446
33pF
I2C_SCLK
I2C_DATA
DGND
3v3_CD
RA
FO
SL
MOTO1
MOTO2
To Driver Circuits Sheet 2
C403
10n
HF_GND
R452
100R
C441
DNF
DGND
DOBM
CFLG
R451
DNF
R424
DNF
3v3_CD
1
2
3
4
5
SK401
DNF
DGND
RP401
100R * 4
SCLK_OUT WCLK_OUT DATA_OUT EF
ST401
STAR2
HF_GND
DGND
HOMESWITCH
STATUS
/RESET_OUT
R459
DNF
3v3_CD
CL16
CL12
HF_GND
C414
47n
3v3_HF
RP402
100R * 4
DGND
C415
22uF/16V
HF_GND
3v3_HF
3v3_CD
DGND
3v3_CD
DGND
C411
22n
C412
22n
C407
100n
C406
100n
C408
100n
C410
22uF/16V
HF_GND
CDT_RDY
CDT_DAT
CDT_CLK
DGND
R403 10R R404 10R
1v8_CD
R407
10k
3v3_CD
3v3_CD
T401
BC817
R401
220R
R402
750R
DGND
1v8_CD
C405
22n
HF_GND
C413
22uF/16V
VCOM
DGND
BIAS
C416
100n
Motor driver Bias
TP401
D1_1
TP402
D1_2
TP403
D2_1
TP404
D2_2
TP405
D3_1
TP406
D3_2
TP407
D4_1
TP408
D4_2
TP409
VREF
C417
100n
DGND
TP410
RF BUFF
TP412
S1
TP413
S2
RA
SL
R436
22k
R433
30k
R421
22k
FO
+5V_MOTOR
C430
22n
C431
100uF/10V
MOTO_GND
BIAS
MOTOR- MOTOR+ RADIAL- RADIAL+ FOCUS+ FOCUS- SLED- SLED+ TRAY- TRAY+
MOTO_GND
MOTO_GND
/STANDBY
FWD
1
OPIN1+
2
OPIN1-
3
OPOUT1
4
OPIN2+
5
OPIN2-
6
OPOUT2
7
Vcc
8
LO-
9
LO+
10
VO2-
11
VO2+
12
VO1-
13
VO1+
14
VO4+
15
VO4-
16
VO3+
17
VO3-
18
GND
19
BIAS
20
MUTE
21
OPOUT3
22
OPIN3-
23
OPIN3+
24
OPOUT4
25
GND
G1
GND
G2
OPIN4-
26
OPIN4+
27
REV
28
IC402
BA5984FP
R437
1R0
R432
1R0
R411
22k
MOTO1 MOTO2
R422
22k
R420
4.7k
C437
1n5 C0G
R418
4.7k
C435
1n5 C0G
R417
4.7k
C434
1n5 C0G
TRAY_CONTROL+
TRAY_CONTROL-
R415
4.7k
C438
1n5 C0G
R414
3.6k
C432
1n5 C0G
BIAS
BIAS
R435
3.6k
BIAS
R434
4.7k
BIAS
R412
3.6k
MOTO_GND
DGND
ST402
STAR2
I/P
O/P
G
VR401
LM1117MPX-3.3
DGND
+5V_CD
3v3_HF
C420
22n
C421
22n
C422
22uF/16V
R419
BML18EG121SN1D
3v3_CD
CON403
SIL_3W
CON402
SIL_4W
CON404
SIL_6W
SLED+ SLED- IN_SW
DGND DGND
LED1 LED2
TRAY- TRAY+ HOMESWITCH
DGND
MOTOR+ MOTOR-
CON405
CONLIF25
+5V_CD
DGND
DOBM
TRAY_CONTROL+
TRAY_CONTROL- IN_SW
/STANDBY
/RESET_OUT
I2C_DATA
I2C_SCLK
LED_DETECT1
LED_DETECT2
CDT_CLK
CDT_DAT
CDT_RDY
SCLK_OUT
WCLK_OUT
DATA_OUT
LED_ON
3v3_LED
LED_ON
R409
100k
R408
47R
T402
DTB113Z
D401
TSAL6200
D402
TSAL6200
DGND
V_LED
DGND
R413
30k
R416
30k
3v3_LED
LED1
Yellow
Red
R425
10k
R426
100R
R427
2k2
T403A
IMX1
T403B
IMX1
V_LED
DGND
D403
1N4148
D404
1N4148
R428
4.7k
LED_DETECT1
3v3_LED
LED2
R429
10k
R430
10k
D405
1N4148
D406
1N4148
R431
4.7k
V_LED
DGND
3v3_LED
V_LED
LED_DETECT2
C404
22uF/16V
R440
BML18EG121SN1D
C418
22n
HF_GND
C419
100n
R439
DNF
R438
DNF
DGND
3v3_CD
R423
1R0
X401
8.4672MHz GSX-333
DGND
C423
33pF
R441
10k
+5V_CD
C426
100n
MOTO_GND
DGND
R460
DNF
R461
DNF
R462
DNF
R463
DNF
FO_TEST
RA_TEST
MO1_TEST MO2_TEST
C427
100uF/10V
DGND
C428
100n
RP403
100R * 4
3v3_CD
R467
BML18EG121SN1D
+5V_MOTOR
R468
100k
3v3_CD
3v3_LED
TP414
S7051-42R
TP415
S7051-42R
Spring Term Harwin
C447
100n
C448
100n
DGND
Decoder and sled drive
CD t service manual Issue 1© Cyrus Audio Ltd Jun 2014
Servo PCB schematic diagram
28