Denon RCD-M38 Service Manual page 73

Block Diagram
TC94A92FG Block Diagram
SLCo
RFi VCO
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
-
PLL
For
DSP-VCO
+
DSP
TMAX
PVREF 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
SRAM SRAM
512kbit 512kbit
Resume
(4kw*128bit) (4kw*128bit)
SRAM I/F
round & limit
A3 A2 A1
MAC
ALU
AY AX MZ
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
4
73
TC94A92FG
MCU I/F
I2C
round & limit Instruction
Decoder
40bit
1024w
A0
(40bit)
PRAM
4kw*9=36kw
MY MX
(40bit)
PROM
register
X0/X1/X2
Program
Y0/Y1/Y2 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
2009-05-27