Diagrams; Block Diagram - Cd Servo Section - Sony CMT-HX3 Service Manual

HCD-HX3/HX5/HX7
SECTION 6

DIAGRAMS

6-1. Block Diagram – CD SERVO Section –
OPTICAL PICK-UP
R-ch is omitted due to same as L-ch.
SIGNAL PATH
HCD-HX3/HX5/HX7
AVDD
DETECTOR +3.3V
VCC
A
A
95 FNi1 (A)
B
B
97 FPi1 (B)
RFo 89
C
C
94 FNi2 (C)
D
D
96 FPi2 (D)
RFRP 3
E
E
100 TNi (E)
TEi 6
F
F
98 TPi (F)
LASER DIODE
AUTOMATIC
LD
POWER CONTROL 91 LDo MDi 92
Q301
PD
LD
PD
VC
BLOCK
(KSM-213DCP)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
BIAS 23
SP+
2 VO1+
M401
M
IN1 3
(SPINDLE)
SP–
1 VO1–
SL+
12 VO2–
M402
M
IN2' 9
(SLED)
SL–
11 VO2+
2-AXIS
DEVICE T+
18 VO3+
IN3' 20
T–
17 VO3–
F+
26 VO4+
IN4' 24
F–
27 VO4–
MUTE
7
S201
(LIMIT)
: CD PLAY
DVDD
+3.3V
: USB
LO 30
88 AGCi RFEQo 83 81 RFi
82 RFRPi
RO 27 R-CH
2 RFZI
A-IN
7 TEZi AIN (PI4) 65
BCK
BCKi (PI5) 66
LRCK
LRCKi (PI6) 67
GATE
PIO3 51
ST-REQ
AoUT3 (PO4) 46
DATA BUS SWITCH
84 VRo
BUS0 38 1
BUS1 39 4
BUS2 (SO) 40 8
CD-MP3 PROCESSOR BUS3 (SI) 41 11
IC101
13 DMo
DATA BUS SWITCH
12 FMo
1
4
10 TRo 8
11
9 FOo
SIGNAL SELECTOR
BUCK (CLK) 42 4
XCCE 43 7
PIO0 48 14
20 IO0 (/HSO)
13
10
11
SBSY 54
XRST 37
XI XO
23 24
X102
16.9344MHz
18 18
(HX7)
(HX3/HX5)
SYSTEM CONTROLLER
IC311 IC301 (1/5)
2 3 CD BUS0
13
3 2 CD BUS1
5
9 1 CD BUS2
6
10 100 CD BUS3
12
Q321
IC312
BUS0
2
13
BUS1
3
5
BUS2
9
6
BUS3
10
12
IC313
2 23 CD CLK
BUCK
3
5 24 CD CCE
CCE
6
12 26 MP3 IREQ
REQ
9
A/B
1
6 DEC BUS SEL1
CDM LOAD IN 49
(HX7)
CDM LOAD OUT
CDM OPEN SW
19 SBSY
25 CD XRST
CDM CLOSE SW
22 CD DRIVE MUTE
CD-L
A
(Page 20)
A-IN, BCK, LRCK,
GATE, ST-REQ
B
(Page 19)
(HX3/HX5)
BUS0 – BUS3,
BUCK, CCE, REQ
C
(Page 19)
(HX3/HX5)
LOADING
M001
M
MOTOR DRIVE
(LOADING)
48
IC320
S001
50
DISC TRAY
OPEN/CLOSE DETECT
51
OPEN
CLOSE