Sony HCD-HDX277WC Service Manual page 77

QQ
3 7 63 1515 0
MAIN BOARD IC1101 CXD9917R (HCD-HDX275:E3, AUS), CXD9927R (EXCEPT HCD-HDX275:E3, AUS)
(RF AMP, SERVO DSP, MPEG DECODER, HDMI TRANSMITTER)
Pin No. Pin Name
1
2
3
4
5
6
7
8
9
10 DVDRF IP
11
12
13
14
15
16
17
18
19, 20 MDI1, MDI2
21
22
23
24
25
TE
L 13942296513
26
27
28
29
30
31
32
33
34
35
36
37
38 TROPENPWM
39
40
41
42
43
44
45
46 USB_VDD3
47 USB_VSS
48 PAD_VRT
49 USB_VDD18
www
50 USB_VSS
51 DIR_ERROR
52 DIR_AUDIO
.
53
54
55
http://www.xiaoyu163.com
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
I/O
OSN O RF offset cancellation capacitor connecting terminal
RFGC O RF AGC loop capacitor connecting for DVD-ROM
IREF I Reference current input terminal
AVDD3 - Power supply terminal (+3.3V)
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 from the optical pick-up block
MA I DC coupled main-beam RF signal input A
MB 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
SB I DC coupled sub-beam RF signal input B
TNI I 3 beam satellite PD signal negative input from the optical pick-up block
TPI I 3 beam satellite PD signal positive input from the optical pick-up block
I Laser power monitor input from the optical pick-up block
LDO2 O Laser diode drive signal output to the optical pick-up block (for DVD)
LDO1 O Laser diode drive signal output to the optical pick-up block (for CD)
SVDD3 - Power supply terminal (+3.3V)
CSO O Central servo signal output terminal
RFLVL O RFRP low pass output terminal
SGND - Ground terminal
V2REFO O Reference voltage (+2.8V) output terminal
V2O O Reference voltage (+2V) output to the optical pick-up block
VREFO O Reference voltage (+1.4V) output terminal
FEO O Focus error monitor output terminal
TEO O Tracking error monitor output terminal
TEZISLV O Reference voltage (+2V) output to the optical pick-up block
OP_OUT O Output from the internal operational amplifi er
OP_INN I Negative input to the internal operational amplifi er
OP_INP I Positive input to the internal operational amplifi er
DMO O Spindle motor control signal output to the motor driver
FMO O Sled motor control signal output to the motor driver
O Loading motor control signal output terminal
IOPMON I Power monitor terminal
TRO O Tracking coil control signal output to the coil driver
FOO O Focus coil control signal output to the coil driver
AGND18 - Ground terminal
AVDD18 - Power supply terminal (+1.8V)
USB_DP - Not used
USB_DM - Not used
- Power supply terminal (+3.3V)
- Ground terminal
- Not used
- Power supply terminal (+1.8V)
- Ground terminal
x ao
O PLL lock error signal and data error fl ag output to the digital audio interface receiver
y
O PCM audio data output to the digital audio interface receiver
i
LIMITSW I Limit detection switch input terminal
MSW O CD/DVD selection signal output terminal
DVDD18 - Power supply terminal (+1.8V)
http://www.xiaoyu163.com
8
Not used
Q Q
Not used
3 6 7 1 3
Not used
u163
.
2 9 9 4 2 8
Description
Not used
Not used
1 5 0 5 8 2 9 9 4
Not used
Not used
Not used
Not used
Not used
Not used
m
co
"L": CD, "H": DVD
9 9
2 8 9 9
77