Read Sony SCD-XB940 (serv.man2) Service Manual online
9
9
SCD-XB940
2.
DIAGRAMS
2-1.
BLOCK DIAGRAM – RF/SERVO Section –
1
5
6
7
8
13
14
15
16
12
11
10
9
20
19
17
23
14
13
2
3
5
9
6
7
16
15
23
26
20
INVERTER
Q601
LASER
DIODE
46
45
44
43
44
69
22
43
42
41
68
48
39
40
29
67
28
DETECTOR
OPTICAL PICK-UP
BLOCK
(KHM-220AAA/JIN)
AUTOMATIC
POWER
CONTROL
Q001
32
85
48
66
97
26
39
3
2
1
23 65 7 9 8
50
27
DEFECT
SWITCH
Q002
(FOCUS)
(TRACKING)
2-AXIS
DEVICE
VC
(2.5V)
FOCUS
COIL
DRIVE
TE GAIN
CONTROL AMP
IC610 (1/2)
TILT
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
SPINDLE
ERROR AMP
IC613 (1/2)
LOADING
MOTOR
DRIVE
15 – 18
STANDBY
STANDBY
STANDBY
STANDBY
TRACKING
COIL
DRIVE
M
M
4, 5
117 – 120, 122 – 125
60 – 64
74, 81, 84, 93, 96
12
11
FCS+
FCS–
TRK+
TRK–
INLIMIT
SENSOR
2
5
20
9
23
17
18
6
M
SLED
MOTOR
DRIVE
11, 12
13, 14
M
SPM+
SPM–
SPM–
LDM+
LDM–
7
5
10
3
8
1
46
49
92
80
RF
A
B
C
D
E
F
G
H
RFIP
A2
B2
C2
D2
E
F
G
H
A
B
C
D
47
54
58
59
64
63
61
62
50
49
51
52
20
21
26
42
28
31
38
SDEN
SRD
SWD
SCLK
HOLD1
TE
FE
PI
MIN
TZC
SIGDET
SIGO
MIRR
HOLD2
DFT
25
LDON
LD
PD
VC
VC1
LD
PD
2VC
(SPINDLE)
(TILT)
(SLED)
M1
(LOADING)
CENTER VOLTAGE
GENERATOR
IC613 (2/2)
2.5VC
2VC
1.6V
DVD RF, CDRF
+5V
+3.3V
+3.3V
CENTER VOLTAGE
GENERATOR
IC610 (2/2)
5
7
+3.3V
2VC
4
3
2
1
GIO5
ADC0
GIO6
GIO7
GIO8
ADC1
ADC2
DAB2
GIO2
ADC3
DAB0
GIO4
GIO1
DAB1
DAB3
TRREF
TRIN
DFCT1
GIO11
DIGITAL SERVO
SIGNAL PROCESSOR
IC607
FDCHG
FCD+
TLTB
TE GAIN
TRD+
TLTA
TRD–
FCD–
SSDFCT
INLIM
SP ERROR
LOCK
MCK1
LOCK, MCK1
MCK
X601
27MHZ
FGAEF
X1
RS
GIO10
HINT
HCS
HMR
EA0, 1
HD0 – 7
ADC5 – 9
X2
VRBA, VRBI – 3,
VRTO
HRD
TIA+, –
TIB+, –
FCD+
FCD–
TRD+
TRD–
TILTA
TILTB
SLB–, +
SLA–, +
HD8 – 15
5
6
7
8
9
11
12
14
HA0, 1
HD0 – 15
HD0 – 19
XSDPRD
XSDPWR
XSDPCS
XSDPINT
XSDPCS
XSDPINT
GAIN CONTROL
Q601, 602
S1
(OPEN/CLOSE)
OCSW1
OCSW2
13
10
15
XSDPRD, XSDPWR,
XSDPCS, XSDPINT
FCSON
XSDPRST
RSTX
SPGAIN
LDMM/DMM, LDMP/DMP
XDRV MUTE
SDPLSTOP
OCSW1, OCSW2
D604
D600
D606 (2/2)
D610
MDSO
MDPO
D609
FGIN
ADC4
PWM2
PWM0
PWM1
STVC
SLDA
SLDB
GIO0
D606
(1/2)
D608
LDMM/DMM
LDMP/DMP
26
3
STVC
STVC
SLDB
SLDA
D607
D605
108
109
128
FOCUS/TRACKING COIL DRIVE,
TILT MOTOR DRIVE
IC614
SPINDLE/SLED/LOADING
MOTOR DRIVE
IC615
ATOP
ATON
AIP
AIN
SSOUT
FNP
FNN
CLM
DIP
DIN
(Page 10)
(Page 11)
(Page 11)
(Page 10)
(Page 11)
(Page 11)
(Page 11)
(Page 11)
(Page 11)
(Page 10)
(Page 11)
(Page 11)
(Page 11)
(Page 11)
(Page 11)
DATA BUS
ADDRESS BUS
SACD/CD RF AMP,
FOBUS/TRACKING ERROR AMP
IC001
•
SIGNAL PATH
: SACD
: CD
05
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