Marantz CD6002/F Service Manual page 36

IC31 : TC94A70FG
CD–RF
CD–RF
IN
Amp
Audio
DAC
Analog
Audio
Post
Out
Filter
3.3V 1.5V
LPFo 76
PVREF 77
VCoF 78
PVSS3 79
SLCo 80
RFi 81
RFRPi 82
RFEQo 83
VRo 84
1chip CDMP3
85
RESiN
86
VMDiR
TESTR 87
AGCi 88
TC94A70FG
RFo 89
RVDD3 90
LDo 91
MDi 92
RVSS3 93
FNi2 94
FNi1 95
FPi2 96
FPi1 97
TPi 98
TNPC 99
100
TNi
Servo Servo
ADC Processor
CDP
Servo
DSP
DAC
SiP
24-Bit
Peripheral
DSP
I/F
16 Mbit
DRAM
1 Mbit
TC94A73MFG
PLL/VCO
SRAM
Only
Zipang
Pin
Symbol
No.
AVSS3
1
RFZi
2
RFRP
3
4 SBAD/RFDC
FEi
5
TEi
6
7 TEZi
AVDD3
8
Foo
9
TRo
10
11 VREF
FMo
12
DMo
13
VSSP3
14
VCOi
15
VDDP3
16
17 VDD1
18 VSS
19 FGiN
io0(/HSo)
20
io1(/UHSo)
21
50 Pio2
49 Pio1
XVSS3
22
48 Pio0
47 AoUT2(Po5)
23 Xi
46 AoUT3(Po4)
45 IRQ
24 Xo
44 TEST
43 /CCE
XVDD3
25
42 BUCK(CLK)
41
BUS3(Si)
40
BUS2(So)
Pin
39 BUS1
Symbol
No.
38 BUS0
37 /RST
26 DVSS3
36 SRAMSTB
35 VDDM1
Ro
27
34 VDD1
33 VSS
28 DVDD3
32 VDDT3
31 DVSS3 29 DVR
30 Lo
30 Lo
29 DVR
28 DVDD3
31 DVSS3
27 Ro
32 VDDT3
26
DVSS3
VSS
33
VDD1
34
35 VDDM1
36 SRAMSTB
/RST
37
BUS0
38
BUS1
39
BUS2(So)
40
BUS3(Si)
41
42 BUCK(CLK)
/CCE
43
TEST
44
IRQ
45
AoUT3(Po4)
46
47 AoUT2(Po5)
Pio0
48
Pio1
49
Pio2
50
51 Pio3
52 VSS
53 VDDT3
54 SBSY
SBOK
55
44
I/O Description
－
Grounding pin for 3.3V CD analog circuits.
I
Input pin for RF ripple zero-cross signal.
3AI/F
O
RF ripple signal output pin.
3AI/F
Sub beam addition signal or
O
RFDC (Hologram PUH RF peak detection
3AI/F
signal) signal output pin
O
Focus error signal input pin.
3AI/F
O
Tracking error signal input pin.
3AI/F
I
Tracking error signal zero-cross input pin.
3AI/F
Power supply pin for 3.3 V CD analog
－
circuits.
O
Focus servo equalizer output pin.
3AI/F
O
Tracking servo equalizer output pin.
3AI/F
Reference voltage pin for analog
－
circuits(1.65V)
O
Feed servo equalizer output pin.
3AI/F
O
Disc servo equalizer output pin
3AI/F
－
Grounding pin for 3.3V DSP VCO circuits.
I
DSP VCO control voltage inputr pin.
3AI/F
Power supply pin for 3.3V DSP VCO
－
circuit.
－
Power supply pin for 1.5V digital circuit
－
Grounding pin for 1.5V digital circuit.
I FG signal input pin for CAV.
CLV: "L", CAV: FG input
3I/F
I/O
General Input/output port -0 (CD)
(Playback speed mode flag output pin.)
3I/F
I/O General Input/output port -1 (CD)
(Playback speed mode flag output pin.)
3I/F
Grounding pin for 3.3V system clock
－
oscillator circuit.
I Input pin for system clock oscillator
Circuit (External Rfb=1M )
3AI/F
O Output pin for system clock oscillator
3AI/F circuit
Power supply pin for 3.3 V system clock
－
oscillator circuit
I/O Description
－
Grounding pin for 3.3V DAC circuit
O
R channel audio output pin of Audio DAC.
3AI/F
Power supply pin for 3.3V Audio DAC
－
circuit.
－
Reference voltage pin for Audio DAC.
O
L channel audio output pin of Audio DAC
3AI/F
－
Grounding pin for 3.3V Audio DAC circuit
－
Power supply pin for 3.3 V digital I/O circuit.
－
Grounding pin for 3.3V digital circuit
－
Power supply pin for 1.5V digital circuit.
－
Power supply pin for 1.5V 1Mbit SRAM.
I
1Mbit SRAM stand-by pin
3I/F
I
Reset signal input pin.
3I/F
IO Data input/output pin -0 for
microcontroller interface
3I/F
IO Data input/output pin -1 for
microcontroller interface
3I/F
IO Data input/output pin -2 for
microcontroller interface (Serial output)
3I/F
IO Data input/output pin -3 for
microcontroller interface (Serial input)
3I/F
Clock input pin for the microcontroller
I
interface. (Clock input for Serial
3I/F
communication interface)
I Chip enable signal input pin for
microcontroller interface.
3I/F
I Setting pin for LSI test mode.
(Connect to GND in normal operation)
3I/F
I DSP interruption pin.(Pull down by 100k
when not in use)
3I/F
O Audio data output pin -3 (DSP general
output port -4)
3I/F
O Audio data output pin -2 (DSP general
output port -5)
3I/F
I/O
DSP general input/output port -0
3I/F
I/O
DSP general input/output port -1
3I/F
I/O
DSP general input/output port -2
3I/F
I/O
DSP general input/output port -3
3I/F
－
Grounding pin for 3.3V digital circuit
－
Power supply pin for 3.3 V digital I/O circuit.
O
Sub code block sync output pin
3I/F
O CRCC check result output pin for sub code
Q data.
3I/F
Default Remarks
－
Connect to RFRP by
I
0.033uF
O
O
Monitor pin for the signal.
O
O
I Connect to TEI by 0.033uF
－
O
Built-in series resister 3.3k
Ω
O
Connect to VRO and
－
PVREF. Connect 0.1uF
Built-in series resister
O
3.3kΩ 3-state output
(AVDD3,AVSS3,VREF)
O
－
I
－
－
－
I Analog input
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
－
I X'tal
O X'tal
－
Remarks
Default
－
O
No capacitor required to
DVR pin when built-in
－
audio DAC is not in use,
－
however , connect 3.3V to
DVDD3 and GND to
O
DVSS3.
－
－
For CD and DSP I/O
－
-
－
-
－
I Schmitt input
I Schmitt input
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
I Schmitt input
I Schmitt input
I Schmitt input
I Schmitt input
O CMOS PORT
O CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
Schmitt input
I
CMOS PORT
－
-
－
For CD and DSP I/O
O CMOS PORT
O CMOS PORT