Sony HCD-GTZ4 Service Manual page 39

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• IC Pin Function Description
DMB19 BOARD IC101 CXD9968R (RF AMP, SERVO DSP, AUDIO PROCESSOR)
Pin No. Pin Name
1
2
3
4
5
6
7 AVDD18_2
8 AVDD33_1
9
10
11
12
13 V14/VREFO
14
15, 16 MDI1, MDI2
17, 18 LDO1, LDO2
19 AVDD33_2
20
21
22
23
24
25
26
TE
L 13942296513
27, 28 USB_DP, USB_DM
29 VDD33_USB
30 VSS33_USB
31 PAD_VRT
32 VDD18_USB
33
34
35
36
37
38
39
40
41
42
43
44
45 to 49 RD0 to RD4
50
51 to 53 RD5 to RD7
54
55
56 to 59 RD15 to RD 12
60
61 to 64 RD11 to RD8
65
www
66
67
68
.
69 to 74 RA9 to RA4
75
76
77
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I/O
RF_A I RF main beam (C) input from the optical pick-up block
RF_B I RF main beam (B) input from the optical pick-up block
RF_C I RF main beam (A) input from the optical pick-up block
RF_D I RF main beam (D) input from the optical pick-up block
RF_E I RF sub beam (F) input from the optical pick-up block
RF_F I RF sub beam (E) input from the optical pick-up block
- Power supply terminal (+1.8V)
- Power supply terminal (+3.3V)
XTALI I System clock input terminal (27 MHz)
XTALO O System clock output terminal (27 MHz)
AGND33 - Ground terminal
V2O O Reference voltage (+2V) output to the optical pick-up block
O Reference voltage (+1.4V) output terminal
REXT I Current reference input terminal
I Laser power monitor input from the optical pick-up block
O Laser diode drive signal output to the optical pick-up block
- Power supply terminal (+3.3V)
DMO O Spindle motor control signal output to the motor driver
FMO O Sled motor control signal output to the motor driver
MUTE4 O Muting signal output to the coil/motor driver (for spindle motor)
MSW O CD/DVD selection signal output terminal
TRO O Tracking coil control signal output to the coil driver
FOO O Focus coil control signal output to the coil driver
EEWP - Not used
I/O Two-way audio serial data with the USB controller
- Power supply terminal (+3.3V)
- Ground terminal
I/O USB generating reference current terminal
- Power supply terminal (+1.8V)
SCL O Serial clock signal output to the EEPROM (GTZ4i)
SDA I/O Two-way serial data with the EEPROM (GTZ4i)
IFSDI I Serial data input from the system controller
FS_CS# O Chip select signal output to the fl ash ROM
SF_DO O Serial data output to the fl ash ROM
SF_DI I Serial data input from the fl ash ROM
SF_CK O Serial clock signal output to the fl ash ROM
IFSCK O Serial data transfer clock signal output to the system controller
IFSOD O Serial data output to the system controller
ICE I ICE mode enable setting terminal
PRST# I Reset signal input from the system controller
IR I IR control signal input terminal
I/O Two-way data bus with the SD-RAM
DVDD33 - Power supply terminal (+3.3V)
I/O Two-way data bus with the SD-RAM
DVDD18 - Power supply terminal (+1.8V)
DQM0 O Data mask signal output to the SD-RAM
I/O Two-way data bus with the SD-RAM
DVSS33 - Ground terminal
I/O Two-way data bus with the SD-RAM
DQM1 O Data mask signal output to the SD-RAM
RCLK O Clock signal output to the SD-RAM
RA11 x ao O Address signal output to the SD-RAM
y
DVDD33 - Power supply terminal (+3.3V)
i
O Address signal output to the SD-RAM
RWE# O Write enable signal output to the SD-RAM
CAS# O Column address strobe signal output to the SD-RAM
RAS# O Row address strobe signal output to the SD-RAM
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8
Fixed at "L" in this set
Q Q
3 6 7 1 3
Not used
Not used
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.
HCD-GTZ4/GTZ4i/GTZ5
2 9 9 4 2 8
Description
"L": CD, "H": DVD
1 5 0 5 8 2 9 9 4
"L": reset
m
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9 9
2 8 9 9
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