Diagrams - Sony CMT-HX3 Service Manual

2-6. DIAGRAMS

2-6-1. 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-HX3/HX5/HX7
FNi1 (A)
LO 30
RFo 89 88 AGCi RFEQo 83 81 RFi
82 RFRPi
RO 27
RFRP 3 2 RFZI
TEi 6 7 TEZi AoUT3 (PO5) 47
BCK (PO8) 63
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
DATA
CLCOK
A-IN
BCK
LRCK
GATE
ST-REQ
DATA BUS SWITCH SYSTEM CONTROLLER
IC311 IC301 (1/4)
1 2 3 CD BUS0
13
4 3 2 CD BUS1
5
8 9 1 CD BUS2
6
11 10 100 CD BUS3
12
Q321
DATA BUS SWITCH
IC312
BUS0
1 2
13
BUS1
4 3
5
BUS2
8 9
6
BUS3
11 10
12
SIGNAL SELECTOR
IC313
2 23 CD CLK
4
BUCK
3
5 24 CD CCE
7
CCE
6
14
12 26 MP3 IREQ
13
10
REQ
9
11
A/B
1
6 DEC BUS SEL1
CDM LOAD IN 49
CDM LOAD OUT
CDM OPEN SW
19 SBSY
25 CD XRST
CDM CLOSE SW
22 CD DRIVE MUTE
25 25
CD-L
A (Page 26)
DATA, CLOCK,
A-IN, BCK, LRCK,
GATE, ST-REQ
B (Page 27)
BUS0 – BUS3,
BUCK, CCE, REQ
C (Page 27)
LOADING
M001
M
MOTOR DRIVE
(LOADING)
48
IC320
S001
50
DISC TRAY
OPEN/CLOSE DETECT
51
OPEN
CLOSE
HCD-HX3/HX5/HX7