Sony HCD-DZ20 Service Manual page 49

QQ
3 7 63 1515 0
• IC Pin Function Description
MAIN BOARD IC1101 CXD9849R
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No. Pin Name
1
2
3
4
5
6 DVDRFIP
7 DVDRFIN
8
9
10
11
12
13
14
15
16
17
18
19
TE
L 13942296513
20
21
22
23
24
25
26
27
28 V2REFO
29
30
31
32
33 TEZISLY
34
35
36
37
38
39 TROPENPWM
40 IOPMON
41
www
42
43
44
.
45
46
47
http://www.xiaoyu163.com
I/O
AGND — Ground terminal
DVDA I AC coupled input path A
DVDB I AC coupled input path B
DVDC I AC coupled input path C
DVDD I AC coupled input path D
I AC coupled DVD RF signal input RFIP
I AC coupled DVD RF signal input RFIN (not used (Open))
NA I DC coupled main-beam RF signal input A
NB I DC coupled main-beam RF signal input B
MC I DC coupled main-beam RF signal input C
MD I DC coupled main-beam RF signal input D
SA I DC coupled sub-beam RF signal input A (not used (Open))
SB I DC coupled sub-beam RF signal input B (not used (Open))
SC I DC coupled sub-beam RF signal input C (not used (Open))
SD I DC coupled sub-beam RF signal input D (not used (Open))
CDFON I CD focusing error negative input (not used (Open))
CDFOP I CD focusing error positive input (not used (Open))
TNI I 3 beam satellite PD signal negative input
TPI I 3 beam satellite PD signal positive input
MDI1 I Laser power PD monitor input
MDI2 I Laser power PD monitor input
LDO2 O Laser drive output (for DVD)
LDO1 O Laser drive output (for CD)
SVDD3 — Power Supply (+3.3V)
CSD O Central servo, Positive main beam summing output (not used (Open))
RFLVL O RFRP low pass, or Positive main beam summing output (not used (Open))
SGND — Ground terminal
O Reference voltage 2.8V
V2O O Reference voltage 2.0V
VREFO O Reference voltage 1.4V
FEO O Focus error monitor output (not used (Open))
TEO O Tracking error monitor output (not used (Open))
O TE Slicing Level (not used)
OPOUT O Op amp output (not used (Open))
OPIN I Op amp negative input (not used (Open))
OPIN I Op amp positive input (not used (Open))
DMO O Disk motor control output. PWM output
FMO O Feed motor control. PWM output
O Tray PWM output/Tray open output.
O IOP monitor input
TRO O Tracking servo output
FOO O Focus servo output
x ao
y
DVSS — Ground terminal
NC I USB port DPLUS analog pin (not used (Open))
i
NC I USB port DMINUS analog pin (not used (Open))
DVDD3 — Power Supply (+3.3V)
SPFG I Spindle motor HALL sensor input
http://www.xiaoyu163.com
8
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
Description
1 5 0 5 8 2 9 9 4
m
co
HCD-DZ20
9 9
2 8 9 9
49