Akai DV-R4100VSS Service Manual page 35

U10 WM8772EDS
VREFN
AINL
AUDIO
STEREO
INTERFACE
DAC
AINR & DIGITAL FILTERS
CONTROL INTERFACE
IC403 BU1923F/BU1924F
MUX 4
-
+
anti-aliasing
filter
VREF 3
VDD1
5
ANALOG
POWER SUPPLY
VSS1
6
PLL
PLL
57KHz
1187. 5Hz
VDD2 RDS/ARI
12
DIGITAL
POWER BUPPLY
VSS2
11
REFERENCE
CLOCK
13 14
XI XO
VREFN VREFP
LOW VOUT1L
STEREO
PASS
DAC
FILTER VOUT1R
LOW VOUT2L
STEREO
PASS
DAC
FILTER VOUT2R
VOUT3L
LOW
STEREO
PASS
DAC
FILTER VOUT3R
CMP
VSS3
8
7
8th switched
capacitor filter
comparator
RCLK
16
QUAL
1
DIPHASE
DIFFERENTAL
RDATA
DECODER
DECODER 2
MEASAREMENT
CIRCUIT
10 9
T1 T2
65
IC401 TA2099N
FM IF MIX AM IF
VSTB
QUAD
IN OUT IN
24 23 22 21 20 19
REF
FM
FM
DET
IF
FM
IF
AM BUFF
AM
OSC
MIX
1 2 3 4 5
6
AM FM BW AM AM
FM VL
VCC
RFIN OSC OSC
SENS
OUT
U3, U4 K4S161622/W981616BH
Bank Select
CLK
ADD
LCKE
LRAS LCBR LWE
LCAS
Timing Register
CLK CKE CS RAS CAS
FM AM FM ST
LPF1 LPF2 BLENDER
OUT OUT DET IN
18 17 16 15 14
AF
VCO
DIVIDE
DECODE
ANTI BIRDIE
LEVEL
SW
AM
DET
ST/MO
FM/AM
IF
BUFF
IF REQ TUN ST
AGC SW
7 8 9 10 11
TUN ST
IF
AGC GND
LED LED
OUT/REQ
Data Input Register
512K x 16
512K x 16
Column Decoder
Latency & Burst Length
Programming Register
LDQM
LWCBR
L(U)DQM
WE
66
L OUT
13
MUTE
12
R OUT
LWE
LDQM
DQI