Sony HCD-GT22, Руководство по обслуживанию

Страница: 23 / 98

HCD-GT22/GT44/GT55
23 23
HCD-GT22/GT44/GT55
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD SERVO, USB Section –
SYSTEM CONTROLLER
IC901 (1/4)
CD-MP3 PROCESSOR
IC101
MUTE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
95
89
A
BD+3.3V
DETECTOR
FNi1 (A)
RFo
97 FPi1 (B)
88
2
AGCi
3 RFRP RFZi
7 6 TEi TEZi
83 RFEQo 81 RFi
82 RFRPi
30 LO
27 RO
65 AIN (PI4)
66 BCKi (PI5)
BCK
A-IN
BUS1-U
BUS0-U
BUS2-U
BUS3-U
BUCK-U
67 LRCKi (PI6)
LRCK
51 PIO3
GATE
46 AoUT3 (PO4)
ST-REQ
38 BUS0
R-CH
94 FNi2 (C)
96 FPi2 (D)
100 TNi (E)
98 TPi (F)
91 LDo 92 MDi
2 VO1+
1 VO1–
13 DMo
LD PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
B
C
D
E
F
12 FMo
10 TRo
9 FOo
20 IO0 (/HSO)
I-V AMP
M401
(SPINDLE)
M402
(SLED)
12 VO2–
11 VO2+
18 VO3+
17 VO3–
26 VO4+
27
7
IN4’ 24
IN3’ 20
IN2’ 9
IN1 3
BIAS 23
84 VRo
VO4–
M
M
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
S201
(LIMIT)
BD+3.3V
24 XO
23 XI
X102
16.9344MHz
7 CD-M-MUTE
A
CD-L
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: USB
VCC
A
B
C
D
E
F
LD
PD
SP+
VC
SP–
SL+
SL–
T+
T–
F+
F–
47 AOUT2 (PO5)
63 BCK (PO8)
CLK
DATA
1 2 17 CD-BUS0 (I/O)
13
39 BUS1 3 4 16 CD-BUS1 (I/O)
5
40 BUS2 (SO) 9 8 15 CD-BUS2 (I/O)
12 CD-BUCK
6
41 BUS3 (SI) 11 10 14 CD-BUS3 (I/O)
19 CD-SEL1 12
BUS SWITCH
IC301
1 2
13
3 4
5
9 8
6
11 10
12
BUS SWITCH
IC302
DATA SELECTOR
IC303
SELECT
42 BUCK (CLK) 4
2
3
CCE-U
13 CD-CCE
43 XCCE
54 SBSY
48 PIO0
7
18 MP3 IREQ
21 CD-SEL2
29 I-SBSY
37 XRST 6 CD XRST
5
REQ-U
6
12
14
13
9
10
11
1
CLK
DATA
LB
I/O0 – I/O15
D0 – D15
S-RAM
IC921
39
UB 40
OE 41
WE 17
CE 6
79 D+
80 D–
77 USBOC
USB CONTROLLER
IC901
CN803
(USB)
3
2
1
D+
D–
78 USBPON
70 CS2
64 RD
65 WR
66 SRLLB
67 SRLUB
VBUS
VBUS POWER
ON/OFF SWITCH
IC915
5
1
4 OUT
EN
3
FLG
IN
VBUS
+5V
93 DATA
92 BCK
85 DATA
86 CLOCK
71 LRCK
94 GATE
97 ST-REQ
55 BUS0
56 BUS1
88 RXD1
87 TXD1
2 DI
84 DO
1 /RESET
57 BUS2
58 BUS3
59 /BUCK
60 /CCE
96 REQ
7 – 10, 13 – 16, 29 – 32, 35 – 38 18 – 25, 28 – 35
A0 – A15 A1 – A16
44 – 42, 27 – 24,
21 – 18, 5 – 1
37 – 43, 46 – 54
73 X2
75 X1
X901
9MHz
AUTOMATIC
POWER
CONTROL
Q301
BCK
A-IN
LRCK
GATE
ST-REQ
BUS1-U
BUS0-U
BUS2-U
BUS3-U
BUCK-U
CCE-U
REQ-U
43 O-USB-TXD (SO)
42 I-USB-RXD (SI)
10 O-USB-RST (DO)
9 I-USB-CTS (DI)
11 O-USB-RESET
LOADING MOTOR DRIVE
IC701
FIN
RIN
O-LM-F
S751
LEVEL SHIFT
Q731
DISC TABLE
ADDRESS SENSOR
IC731
23 OUT1 4
OUT2 2
7
9 O-LM-R 22
M
M751
(LOADING)
TABLE MOTOR DRIVE
IC712
FIN
RIN
O-TM-F 25 OUT1 4
OUT2 2
7
9 O-TM-R 24
I-CD-SENS 26
I-ENCD 55
I-OPEN-SW 27
M
M741
(TABLE)
ROTARY
ENCODER
S711
DISC TABLE
ADDRESS DETECT
OPEN
CLOSE
DISC TABLE
OPEN/CLOSE
DETECT
REC
D801
(USB)
O-USB-LED 37
LED DRIVE
Q931
(Page 24)