Sony CMT-BX1 Service Manual page 51

• IC Pin Function Description
CD BOARD IC101 (CD-MP3 PROCESSOR) TC94A70FG-006 (BX5BT/CBX1),TC94A70FG-007 (S, D) (CBX3)
Pin No.
Pin Name
1
AVSS3
2
RFZi
3
RFRP
4 SBAD/RFDC
5
FEi
6
TEi
7
TEZi
8 AVDD3
9
FOo
10
TRo
11 VREF
12 FMo
13
DMo
14
VSSP3
15 VCOi
16 VDDP3
17
VDD1
18
VSS
19 FGiN
20 IO0 (/HSO)
21 IO1 (/UHSO)
22
XVSS3
23
XI
24 XO
25
XVDD3
26
DVSS3
27
RO
28
DVDD3
29 DVR
30
LO
31
DVSS3
32
VDDT3
33
VSS1
34
VDD1
35
VDDM1
36
SRAMSTB
37
XRST
38, 39
BUS0, BUS1
40
BUS2 (SO)
41
BUS3 (SI)
42
BUCK (CLK)
43
XCCE
I/O
- Ground terminal
I RF ripple zero crossing signal input terminal
O RF ripple signal output terminal
O Sub beam addition signal or RF peak detection signal output terminal Not used
O Focus error signal output terminal Not used
O Tracking error signal output terminal
I Tracking error zero crossing signal input terminal
- Power supply terminal (+3.3 V)
O Focus coil drive signal output terminal
O Tracking coil drive signal output terminal
I
Reference voltage (+1.65V) input terminal
O Sled motor drive signal output terminal
O Spindle motor drive signal output terminal
- Ground terminal
I
VCO control voltage input terminal
- Power supply terminal (+3.3 V)
- Power supply terminal (+1.5 V)
- Ground terminal
I
FG signal input terminal Not used
I Disc inner position detection signal input terminal
O Not used
- Ground terminal
I System clock input terminal (16.9344 MHz)
O System clock output terminal (16.9344 MHz)
- Power supply terminal (+3.3 V)
- Ground terminal
O Audio data (R-ch) output to the input selector
- Power supply terminal (+3.3 V)
O
Reference voltage (+1.65V) output terminal
O Audio data (L-ch) output to the input selector
- Ground terminal
- Power supply terminal (+3.3 V)
- Ground terminal
- Power supply terminal (+1.5 V)
- Power supply terminal (+1.5 V)
I S-RAM standby mode control signal input terminal Fixed at "L" in this set
I Reset signal input from the system controller "L": reset
Serial data input from the system controller and USB controller (CBX3)
I
Serial data input from the system controller (BX5BT/CBX1)
Serial data input from the system controller and USB controller (CBX3)
I
Serial data input from the system controller (BX5BT/CBX1)
Serial data input from the system controller and USB controller (CBX3)
I
Serial data input from the system controller (BX5BT/CBX1)
Serial data transfer clock signal input from the system controller and USB controller (CBX3)
I
Serial data transfer clock signal input from the system controller (BX5BT/CBX1)
Chip enable signal input from the system controller and USB controller (CBX3)
I
Chip enable signal input from the system controller (BX5BT/CBX1)
HCD-BX5BT/CBX1/CBX3
Description
49