Read Sony HCD-EX660Z / HCD-EX880Z / HCD-EX990Z / MHC-EX660 / MHC-EX880 / MHC-EX990 Service Manual online
HCD-EX660Z/EX880Z/EX990Z
HCD-EX660Z/EX880Z/EX990Z
17
17
5-1. BLOCK DIAGRAM - CD Section -
OPTICAL PICK-UP BLOCK
(DA11MMVGP)
B
C
D
D
E
A
F
SP+
SP-
LD
MD
VREF
AUTOMATIC
POWER
CONTROL
Q201
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC301
CD-MP3 PROCESSOR
IC101
VO1+
BIAS
2
VO1-
1
IN1 3
23
SL+
SL-
VO2+
11
VO2-
12
IN2’ 9
T+
T-
VO3+
18
VO3-
17
IN3’ 20
F+
F-
CD
MECHANISM
DECK
LOADING
MOTOR
DRIVE
IC201
M+
OPEN SW
CLOSE SW
M–
VO4+
26
VO4-
27
IN4’ 24
MUTE 7
7 BIN
6 CIN
8 DIN
6 CIN
8 DIN
EIN
5 AIN
14
13
FIN
18 LDD
LDS
11 VREF
25 SPDO
19
24 SLDO
23 TDO
22 FDO
XOUT
XIN
X101
16.934MHz
S001
(LIMIT)
72
73
LIMIT-SW(CONT3) 32
LCHO
CD/USB-L
76
RCHO
R-CH
78
USB CONTROL
IC901
37 UHD-
38 UHD+
6 CF1
VBUS+5V
7 CF2
URX1 44
DBGP2 25
DBGP1 24
DBGP0 23
P71 47
RES 2
SO0 9
SI0 10
SCK0 11
P16 15
P23 32
P23 32
SDAT 26
BCLK 27
BCLK 27
LRCK 28
P22 31
P24 33
P70 46
P24 33
P70 46
UTX1 45
STREQ(DEFECT) 33
STCK(FSEQ) 34
STDATA(C2F) 35
PCMLRSY 62
O-USB-TXD
93
I-USB-RXD
94
O-USB-SLEEP
92
RESB 47
O-CD-RST
1
O-CD-M-MUTE
100
O-USB-RST
4
O-CD-CL
98
O-CD-CE
3
O-CD-DI
2
I-CD-DO
99
O-CD-ON 91
+9V
AVDD3.3V
DVDD3.3V
O-CD-M- 43
O-CD-M+ 44
7
1
9
2
4
4
2
1
4
I-HP/CD-SW 18
DBGP0
DBGP1
DBGP2
DBGP1
DBGP2
DBGP0
RESET
DBGP1
DBGP2
DBGP2
95
96
97
96
97
I-RST 11
3
D+
D-
X901
12MHz
2
1
4
I-HP/CD-SW
SYSTEM CONTROL
IC200 (1/3)
63
PCMBCK
64
PCMDATA
65
PCMREQ
44
CL
43
CE
45
DI
46
DO
2
CN200
FLASH
PROGRAMMING
3
( )
CN901
FLASH
PROGRAMMING
( )
5
1
5FKLVRPLWWHGGXHWRVDPHDV/FK
8
7
5
7
5
9
DBGP0
DBGP1
DBGP2
DBGP1
DBGP2
TRESET
I-RST
+3.3V REG
IC202
MOTOR
CONTROL
Q200
VREF
FIN
RIN
RIN
OUT2
OUT1
OUT1
6LJQDOSDWK
: CD
: USB
: USB
TUNER/AUDIO
SECTION
(Page 18)
(Page 18)
A
TUNER/AUDIO
SECTION
(Page 18)
(Page 18)
B
DISPLAY/POWER
SECTION
(Page 19)
(Page 19)
C
CN100
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