Read Sony CDX-GT700D / CDX-GT705DX Service Manual online
19
19
CDX-GT700D/GT705DX
CDX-GT700D/GT705DX
4-1. BLOCK DIAGRAM — CD SECTION —
SECTION 4
DIAGRAMS
83
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
X801
11.2896MHz
89
RFEQO
3
RFRP
6
TEI
88
RFI
RFRPI
2 RFZI
7 TEZI
9 F0O
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
81
AGCI
82
94
96
95
97
98
TNI
FPI1
FNI1
FPI2
FNI2
TPI
<
VRO
>
91 LDO
92
MDI
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Signal Path
: CD PLAY
: FM
LASER DIODE
M
M
M
18
17
VO3–
VO3+
14
13
VO1+
VO1–
12
11 VO2–
VO2+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN4– 26
OPIN4+ 27
OPOUT4 25
10 TRO
OPIN3– 23
OPIN3+ 24
OPOUT3 22
12 FMO
OPOUT1 4
13 DMO
OPOUT2 7
MUTE 21
BIAS 20
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
51
PIO3
48
PIO0
36
MSTBY
58
ZDET
37
/RST
43
/CCE
42
BUCK(CLK)
41
BUS3(SI)
FL
RL
SUB
A-L
MAIN
SECTION
A
62
AOUT1 (P07)
63
BCK (P08)
27 DEC_SSTBY
15 CD_ZDET
15 CD_ZDET
14 CD_XRST
13 CD_XCCE
64
22
56
5
7
27
26
LRCK (P09)
53 MEC_SELFSW
45 MEC_INSW
42 MEC_LIMIT
12 CD_BUCK
11 CD_BUS3
40
BUS2(SO)
10 CD_BUS2
39
BUS1
8
CD_BUS1
38
BUS0
7
CD_BUS0
81 X1
80 X0
MEC LOAD
43
DRVON
6
MEC EJECT
44
CD
SYSTEM CONTROL
IC3
+1.5V REG
IC6
SYSTEM CONTROL
IC303 (1/3)
D/A, A/D CONVERTER
IC801
LPF
IC471
37 DEC_XMUTE
SDIN0
AUXL1
57
AUXR1
BCLK0
R-CH
LRCLK0
33 MCLKI
40 DVDD
30 VDRIVE
47 DVDD
30 DEC_INT
SW2
(SELF)
46 MEC_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
56
UNISI
25
RXD
57
UNISO
58
UNICKI
50
BUS_ON
51
BU_IN
75
RSTX
61
XFLASH & EJECT_OK
67
MECON_CHK
1
CDON_1500MV
1.5V_ON
63
MECON
64
CDON
66
ZMUTE
60
A_ATT
26
TXD
PD1
E
F
VC
VC
VC
LOAD
LD
MON OUT
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q21
+1.5V ON/OFF
SWITCH
Q2,3
SWITCHING
DRIVER
Q651,652
• R-ch is omitted due to same as L-ch.
24
23
X2
16.934MHz
X1
12MHz
XI
XO
MAIN
SECTION
B
EJECT_OK
UNI SI
UNI SO
ATT
59
LINKOFF
LINK OFF
UNI CLK
BUS ON
BU CHK
SYS RST
47
CD_ON
VOUT
49
CDM_ON
48
Z_DET
CD+6V
50
68
CDON_CHK
1
5
VDD
3
CE
+3.3V SWITCHING
REG.
IC650
IN
BATT1
BATT
5
1
VCC
4
OUT
CD+3.3V
+1.5V
+3.3V
+1.7V REG.
Q801
+3.3V
+1.5V
BU+3.3V
84
100
58
3
1
VOUT1
60
VOUT3
72
VINL1
73
VINR1
59
VOUT2
R-CH
R-CH
(Page 20)
(Page 20)
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