Denon RCD-N9 Service Manual page 63

TC94A92FG (CD : IC83)
Block Diagram
TC94A92FG Block Diagram
SLCo
RFi VCO
PVREF
RVDD3
RVSS3
RF Ripple
RFRPi
DET.(RFRP)
Auto Gain
AGCi
Cont.(AGC)
DCoFC
RF-EQ
RFEQo
DC level
DET(RFDC)
RFo
FNi2 RF
FNi1
Focus
FEI
Error
FPi2
(FE)
FPi1
Bias circuit
VREF
PVREF RESiN
Reference
Voltage
gene.(VRO)
VRo
Reference
Voltage(APC)
Auto laser
LDo
Power Cont.
(APC)
MDi
TPi
Tracking
Error
TNi
(TE&SBAD)
TEi
Pin Layout (Top View)
VDD3 61
BUS0 62
BUS1 63
BUS2 64
BUS3 65
BUCK 66
67
/CCE
MS 68
69
/RST
TEST 70
71
VDD1-1
VSS-1 72
73
/SRAMSTB
VDDM1 74
75
PDo
TMAX 76
77
LPFN
LPFo 78
PVREF 79
VCoF 80
512kbit
-
PLL
For
(4kw*128bit)
DSP-VCO
+
DSP
TMAX
PVREF
Synchronous
Subcode
guarantee EFM
decoder
decoder
4KB SRAM
CD monitor
RFRP
Stepping
Motor
FEI
Control
SBAD
Equalizer Output Control
TEI
VREF
5bit DAC
PWM
TC94A92FG
(Top View)
SRAM SRAM
512kbit
Resume
(4kw*128bit)
SRAM I/F
3
round & limit round & limit
A3 A2 A1
MAC
ALU
AY AX MZ
X0/X1/X2
Y0/Y1/Y2
Y-Bus
X-Bus
C-Pointer Y-Pointer X-Pointer
register register register
4kw*11=44kw
(24bit)
CROM
Address Calc.
2sets
General I/O
UART
I/F
Pio8-14
IO_CTR
63
40 CDMoN3
39 Pio14/CDMoN2
38 Pio13/CDMoN1
37 Pio12/CDMoN0/FGiN
36 Pio11
35 Pio10
34
Pio9
33 Pio8
32
VDD1-3
31 DMo
30
FMoS
29 FMo
28
VSS-3
27 TRo
26
Foo
25 AVDD3
24
TEi
23 RFRP
22 RFZi
21 FSMoNiT
TC94A92FG
MCU I/F
I2C
2009-05-27
Instruction
Decoder
40bit
1024w
A0
(40bit)
PRAM
4kw*9=36kw
MY MX
(40bit)
PROM
register
Program
Control
Bus
Switch
4kw 4kw 4kw
(24bit) (24bit) (24bit)
ERAM
YRAM XRAM
Digital out Audio out
DF
To AudioDAC
Pio7
Pio6
Pio5
Pio4
Pio3
Pio2
Pio1
Pio0
VDD1
VSS1
XVDD3
XVSS3
DVSS3L
Lo
DVDD3L
DVDD3R
Ro
DVSS3R