Sony HCD-GNZ55D Service Manual page 66

HCD-GNZ55D
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• IC Pin Descriptions
IC102 CXD9849R (CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR,
DIGITAL SERVO PROCESSOR) (DMB15 BOARD (3/5))
Pin No. Pin Name
1 AGND
2 DVDA
3 DVDB
4 DVDC
5 DVDD
6 DVDRFIP
7 DVDRFIN
8 NA
9 NB
10 MC
11 MD
12 SA
13 SB
14 SC
15 SD
16 CDFON
17 CDFOP
18 TNI
19 TPI
20 MDI1
21 MDI2
TE
22 L 13942296513 LDO2
23 LDO1
24 SVDD3
25 CSD
26 RFLVL
27 SGND
28 V2REFO
29 V2O
30 VREFO
31 FEO
32 TEO
33 TEZISLV
34 OPOUT
35 OPIN
36 OPIN
37 DMO
38 FMO
39 TROPENPWM
40 IOPMON
41 TRO
42 FOO
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43 DVSS
44 NC
45 NC
.
46 DVDD3
47 SPFG
48 DSEL
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I/O
— Ground pin
I AC coupled input path A
I AC coupled input path B
I AC coupled input path C
I AC coupled input path D
I AC coupled DVD RF signal input RFIP
I AC coupled DVD RF signal input RFIN Not used in this set. (Open)
I DC coupled main-beam RF signal input A
I DC coupled main-beam RF signal input B
I DC coupled main-beam RF signal input C
I DC coupled main-beam RF signal input D
I DC coupled sub-beam RF signal input A Not used in this set. (Open)
I DC coupled sub-beam RF signal input B Not used in this set. (Open)
I DC coupled sub-beam RF signal input C Not used in this set. (Open)
I DC coupled sub-beam RF signal input D Not used in this set. (Open)
I CD focusing error negative input Not used in this set. (Open)
I CD focusing error positive input Not used in this set. (Open)
I 3 beam satellite PD signal negative input
I 3 beam satellite PD signal positive input
I Laser power PD monitor signal input
I Laser power PD monitor signal input
O Laser drive signal output
O Laser drive signal output
— Power Supply pin (+3.3 V)
Central servo, Positive main beam summing signal output
O
Not used in this set. (Open)
RFRP low pass, or Positive main beam summing signal output
O
Not used in this set. (Open)
— Ground pin
O Reference voltage 2.8 V
O Reference voltage 2.0 V
O Reference voltage 1.4 V
O Focus error monitor signal output Not used in this set. (Open)
O Tracking error monitor signal output Not used in this set. (Open)
O TE Slicing Level Not used in this set.
O Op amp output Not used in this set. (Open)
I Op amp negative input Not used in this set. (Open)
I Op amp positive input Not used in this set. (Open)
O Disk motor control signal output. PWM signal output
O Feed motor signal control. PWM signal output
O Tray PWM output/Tray open signal output.
I General PWM signal input
O Tracking servo signal output
O Focus servo signal output
— Ground pin
— Not used. (Open)
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y
— Not used. (Open)
i
— Power Supply pin (+3.3 V)
I Motor Hall sensor signal input
O Select signal output
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2 9
8
Pin Description
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9