Sony HCD-DZ7260 Service Manual page 64

HCD-DZ260/DZ270/HDZ278
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• IC Pin Function Description
MAIN BOARD (2/9) IC1101 CXD9917R (DZ260/DZ270)/CXD9927R (HDZ278)
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM CONTROL, DIGTAL SERVO PROCESSOR, DIR/USB
CONTROL)
Pin No. Pin Name
1 OSN
2 RFGC
3 IREF
4 AVDD3
5 AGND
6 DVDA
7 DVDB
8 DVDC
9 DVDD
10 DVDRFIP
11 MA
12 MB
13 MC
14 MD
15 SA
16 SB
17 TNI
18 TPI
19 MDI1
20 MDI2
21 LDO2
22 LDO1
TE
L 13942296513
23 SVDD3
24 CSO
25 RFLVL
26 SGND
27 V2REFO
28 V20
29 VREFO
30 FEO
31 TEO
32 TEZISLV
33 OP_OUT
34 OP_INN
35 OP_INP
36 DMO
37 FMO
38 TROPENPWM
39 IOPMON
40 TRO
41 FOO
42 AGND18
43 AVDD18
44 USB_DP
45 USBDM
46 USB_VDD3
www
47 USB_VSS
48 PAD_VRT
49 USB_VDD18
.
50 USB_VSS
51 DIR_ERROR/NC
52 DIR_AUDIO/NC
64
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I/O
— RF offset cancellation capacitor connecting terminal
I RF AGC loop capacitor connecting terminal
I Current reference setting terminal
— Power supply (VDD3.3V)
— Ground
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 DC coupled DVD RF signal input RFIP
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
— Not used (Open)
— Not used (Open)
I DC coupled main-beam RF signal input E
I DC coupled main-beam RF signal input F
I Laser power monitor input
I Laser power monitor input
O Laser diode (DVD) drive signal output
O Laser diode (CD) drive signal output
— Power supply (RF+3.3V)
O Not used (Open)
O RFRP low pass output
— Ground
O Reference voltage (2.8V) output
O Reference voltage (2.0V) output
O Reference voltage (1.4V) output
O Focus error monitor output
O Tracking error monitor output
O TE Slicing Level input
O Op amp output
I Op amp negative input
I Spindle feedback signal input
O Disc motor control PWM output
O Feed motor control PWM output
O Tray PWM output/Tray open output
I Iop Monitor input
O Tracking servo control signal output
O Focus servo control signal output
— Ground
— Power supply (+1.8V)
I/O USB port serial data input/output
I/O USB port serial data input/output
— USB power supply (+3.3V)
— USB ground
x ao u163
— Not used
y
— Power supply (+1.8V)
i
I Ground
I DIR PLL error signal input
I DIR audio signal input
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2 9
8
Description
Q Q
3 6 7 1 3 1 5
co
.
(Not used in this set)
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9