Diagrams; Block Diagram - Cd Servo Section - Sony CMT-BX1 Service Manual

6-1. BLOCK DIAGRAM – CD SERVO Section –
AVDD
+3.3V
DETECTOR
VCC
A
A
95
B
B
97 FPi1 (B)
C
C
94 FNi2 (C)
D
D
96 FPi2 (D)
E
E
100 TNi (E)
F
F
98 TPi (F)
LASER DIODE
AUTOMATIC
LD
POWER CONTROL 91 LDo
Q301
PD LD
PD
OPTICAL PICK-UP
VC
BLOCK
(KSM-213DCP)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
SP+
2 VO1+
M401
M
(SPINDLE)
SP–
1 VO1–
SL+
12 VO2–
M402
M
(SLED)
SL–
11 VO2+
2-AXIS
DEVICE
T+
18 VO3+
T–
17 VO3–
F+
26 VO4+
F–
27
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY
: USB
HCD-BX5BT/CBX1/CBX3
SECTION 6

DIAGRAMS

FNi1 (A)
LO 30
RFo 89 88 AGCi RFEQo 83 81 RFi
82 RFRPi
RO 27
RFRP 3 2 RFZI
TEi 6 7 TEZi AIN (PI4) 65
BCKi (PI5) 66
LRCKi (PI6) 67
PIO3 51
AoUT3 (PO4) 46
MDi 92
84 VRo
BUS0 38
IC401
BUS1 39
BIAS 23 BUS2 (SO) 40
BUS3 (SI) 41
CD-MP3 PROCESSOR
IC101
IN1 3 13 DMo
IN2' 9 12 FMo
IN3' 20 10 TRo
IN4' 24 9 FOo
VO4–
MUTE
7 BUCK (CLK) 42
XCCE 43
S201
(LIMIT)
PIO0 48
DVDD
20 IO0 (/HSO)
+3.3V
SBSY 54
XRST 37
XI XO
23 24
X102
16.9344MHz
R-CH
A-IN
BCK
LRCK
GATE
ST-REQ
(BX5BT/CBX1)
(CBX3)
BUS SWITCH SYSTEM CONTROLLER
IC321
1 2 68 CD BUS0
13
4 3 67 CD BUS1
5
8 9 66 CD BUS2
6
11 10 65 CD BUS3
12
Q321
BUS SWITCH
IC322
BUS0
1 2
13
BUS1
4 3
5
BUS2
8 9
6
BUS3
11 10
12
DATA SELECTOR
IC323
2 75 CD CLK
4
BUCK
3
5 63 CD CCE
7
CCE
6
14
12 69 MP3 IREQ
13
10
REQ
9
11
A/B
1
44 DEC BUS SEL1
(BX5BT/CBX1)
19 SBSY
71 CD XRST
72 CD DRIVE MUTE
21 21
CD-L
A
(Page 23)
A-IN, BCK, LRCK,
GATE, ST-REQ
B
(Page 22)
(CBX3)
IC301 (1/4)
BUS0 – BUS3,
BUCK, CCE, REQ
C
(Page 22)
(CBX3)
LOADING
CDM LOAD IN 89 M001
M
MOTOR DRIVE
(LOADING)
CDM LOAD OUT 88
IC311
S001
CDM SW (OPEN) 90
DISC TRAY
OPEN/CLOSE DETECT
CDM SW (CLOSE) 91
OPEN
CLOSE
HCD-BX5BT/CBX1/CBX3