Diagrams; Block Diagram -Cd Section - Sony CDX-M8815X Service Manual

3-1. BLOCK DIAGRAM — CD SECTION —
DETECTOR
PD2
PD2
PD1
PD1
E
E
F
F
LASER DIODE
AUTOMATIC
LD
POWER
CONTROL
Q1
PD LD
MON OUT
OPTICAL
PICK-UP BLOCK
(KSS1000E)
2-AXIS DEVICE
FCS+
FCS–
(FOCUS)
(TRACKING)
TRK+
TRK–
M902 M
(SLED)
M901
M
(SPINDLE)
M903
M
(LOADING)
CDX-M8810/M8815X
SECTION 3

DIAGRAMS

FPI2 79 RFI
96 RFO 87 85 AGCI RFEQO 77
86 RFDCI 78 RFRPI
94 FNI2
97 FPI1
95 FNI1
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
99 TNI RFRP 3 1 RFZI
98 TPI TEI 6 7 TEZI
91 LDO MDI 92
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
9 F0O
16 VO4– OPIN4– 26
15 OPOUT4 25
VO4+
18 VO3– OPIN3– 23 10 TRO
17 46 IO0(/HSO)
VO3+ OPOUT3 22
12 FMO
14 VO1+ OPOUT1 4
OPIN2 7 13 DMO
13 VO1–
47 IO1(/UHSO)
12 MUTE 21
VO2+
11 VO2–
10
VOL+
FWD 1
9 VOL–
REV 28
AU+5V
IC7
AUDIO INTERFACE
IC5
AOUT 58 3 DATA VOUTL+ 17
BCKO 59 2 VOUTL– 18
BCK
LRCKO 60 1 LRCK VOUTR+ 13
R-CH
12
VOUTR–
5 SCK
6
RST
ZEROL 23 22 DAC ZDETL
ZEROR 22 23 DAC ZDETR
MUTE 56 37 DEC XMUTE
53 30 DEC INT
REQ
43
STBY 27 DEC SSTBY
18
ZDET 15 CD ZDET
/RST 42 14 CD XRST
/CCE 41 13 CD XCCE
BUCK 40 12 CD BUCK
39 11 CD BUS3
BUS3
BUS2 38 10 CD BUS2
BUS1 37 8 CD BUS1
BUS0 36 7 CD BUS0
14 52 CD SBSY
SBSY
SYSTEM CONTROL
IC3
CRYSTAL
OSCILLATOR
XI 23 81 X1
16.9344MHz
X1
IC4
12MHz
80 X0
SW1
46 MEC_DSW
(DOWN)
SW2
53 MEC_SELFSW
(SELF)
SW3
45 MEC_INSW
(DISC IN)
SW4 42 MEC_LIMIT
(LIMIT)
43 MEC LOAD
44 MEC EJECT
15 15
AMP
IC8
3
1
2
UNISI 56 UNI SI
RXD 25
UNISO 57 UNI SO
TXD 26
UNICKI 58 UNI CLK
BUS ON 50 BUS ON
BU IN 51 B/U CHECK
RSTX 75 SYS RST
A ATT 60 A ATT
LINK OFF 59 LINK ON/OFF
SYSTEM CONTROL
IC303 (1/3)
MECON 63 71 CDM ON
CDON 64 59 CD ON
CD
ZMUTE 66 76 ZATT
MECON CHK 67 DR6V
+5V REG
AU+5V
IC304
CDON CHK 68
D3.3V
+1.5V REG
IC6
+1.5V ON/OFF
SWITCH 5 VOUT VDD 1
+1.5V
Q2,3
CE
3
+1.5V
1.5V ON 1
• R-ch is omitted due to same as L-ch.
• Signal Path
: CD PLAY
CDX-M8810/M8815X
MAIN
A
CD-L
SECTION
(Page 16)
MAIN
B
SECTION
(Page 16)
AU8V
BU3.3V