Sony CDX-V3800 Service Manual page 26

CDX-V3800
• IC BLOCK DIAGRAMS
IC500 BU9536KS2 (SERVO Board (1/2))
52 51 50 49 48 47 46 45
AVDD 1
AC 2
BD 3
VBIAS RF SIGNAL GEN.
4
E 5
F 6
AGND 7
FEN 8
FEO 9
PKC 10
BTC
11
PD 12
APC
LD 13
PLL
14 15 16
IC600 BA5966FP-FE2 (SERVO Board (1/2))
28 27 26 25 24 23 22
–
LOADING DRIVER
+
REV OUT F
FWD OUT R
+
–
+ – + –
1 2 3 4 5 6 7
CDX-V3800
44 43 42 41 40
39 XBUFO
38 EFLAG
DIGITAL
37 DCK
SIGNAL
36 LRCK
DIGITAL PROCESSOR
DOUTA
SERVO 35
FILTER
34 WFCK
SUBCK
33
16K
32 SUBDATA
SRAM
31 SUBSYQ
30 BUSY
29 RESETX
DIGITAL SERVO
COMMAND
SIGNAL 28
R/W
INTERFACE
PROCESSOR
27 DIO
17 18 19 20 21 22 23 24 25 26
21 20 19 18 17 16
MUTE
– + + – – +
– +
–
LEVEL
+
SHIFT –
LEVEL
SHIFT
LEVEL
SHIFT
–
+ LEVEL
SHIFT
–
– +
– + – +
VCC
8 9 10 11 12 13
IC700 WM8726GED/R (SERVO Board (1/2))
LRCIN 1
SERIAL
DIN 2
INTERFACE
BCKIN 3
DIGITAL
NC
4
FILTER
DIGITAL
CAP 5 SIGMA-DELTA
MODULATOR
SWICHED
VOUTR
6 CAPACITOR
DAC
GND 7
IC401 BD3806FS-E2 (MAIN Board (1/3))
32 31 30
2
I C BUS
LOGIC
BASS
fo:60,70,80,100,120,140,160,200Hz
Q:0.5,0.75,1,1.25
MIDDLE
fo:500Hz,1kHz
Q:1
15
TABLE
fo:5,7.5,10,12.5kHz
+ –
+
+
VCC/2
14
1 2 3
26 26
IC400 SPCA717A-HL211 (SERVO Board (2/2))
14 SCKI
13 FORMAT
12 DEEMPH
FSADJUST 1
11 NC
10 MUTE
COMP 2
9
DAC
DIGITAL
VAA 3
SIGMA-DELTA
MODULATOR
SWICHED VREFOUT 4
INTERNAL
VOUTL
CAPACITOR 9
VREFIN 5
VREF
DAC
VBIAS 6
7
GENERATOR
AGND 8
8 VDD
29 28 27 26 25 24 23 22 21 20
VCC
FADER FADER FADER FADER
(0~-58, (0~-58, (0~-58, (0~-58,
VCO
-∞dB) -∞dB) -∞dB) -∞dB)
EFFECT (0dB~ EFFECT (0dB~ 2ND ORDER LPF
+20dB,2dB STEP) +20dB,2dB STEP) fc:OFF,80,120,160Hz
Q: 0.707
MIX
TONE TONE
PASS PASS
BASS,TREBLE, MIDDLE BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP) (-15dB~+15dB,1dB STEP)
VOLUME VOLUME
(+23~-79dB,-∞dB (+23~-79dB,-∞dB
1dB STEP) 1dB STEP)
fc:40kHz fc:40kHz
ANTI-ALIASING ANTI-ALIASING
FILTER FILTER
INPUT GAIN INPUT GAIN
(0~15dB,1dB STEP) (0~15dB,1dB STEP)
MUTE MUTE
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
4 5 6 7 8 9 10 11
32 31 30 29 28 27 26 25
DATA7
24
LATCH
23 DATA6
22 DATA5
21 DATA4
1.3MHz
20 DATA3
LPF
19 DATA2
18
DATA1
2X
17 DATA0
UPSAMPLE
MOD.AND
MIXER
VBI
9 10 11 12 13 14 15 16
19 18 17
GAIN+ATT
(+10~-29,
-∞dB)
2ND ORDER
LPF
12 13 14 15 16