Ic Block Diagrams - Sony CDX-F5500 Service Manual

CDX-F5500/F5500X

3-18. IC BLOCK DIAGRAMS

IC1 LA6560-TE-L-E (SERVO Board)
FWD 1
THERMAL SHUTDOWN
INPUT
REV 2
VCC2 3
OUTPUT
VLO- 4
CONTROL
VLO+ 5
LEVEL
VO4+ 6
SHIFT
VO4- 7
LEVEL
VO3+ 8
SHIFT
VO3- 9
GND
LEVEL
VO2+ 10
SHIFT
VO2- 11
LEVEL
VO1+ 12
SHIFT
VO1- 13
VCC1 14
VIN1 15
AMP-A
VIN1-A 16
L H
VIN1+A 17
VIN1-B 18
AMP-B
36 S-GND
35 VCONT
BTL-AMP
MUTE 34 MUTE
OUTPUT
ON/OFF
33 VIN4
32 VIN4-
31 VIN4+
30 VREF-IN
VIN1/VREF-SW 29 VIN1-SW
28 VREF-OUT
GND
27 REG-OUT
26 REG-IN
25 VIN3+
24 VIN3-
23 VIN3
22 VIN2+
21 VIN2-
20 VIN2
19 VIN1+B
32
IC401 BD3808FS (MAIN Board)
32 31 30 29 28 27
FADER
2 (0~-58,
I C BUS
VCO
-∞dB)
LOGIC
EFFECT (0dB~
+20dB,2dB STEP)
BASS
fo:60,70,80,100,120,140,160,200Hz
TONE
Q:0.5,0.75,1,1.25
PASS
MIDDLE
BASS,TREBLE, MIDDLE
fo:500Hz,1kHz
(-15dB~+15dB,1dB STEP)
Q:1
TABLE
(+23~-79dB,-∞dB
fo:5,7.5,10,12.5kHz
1dB STEP)
fc:40kHz
ANTI-ALIASING
INPUT GAIN
(0~15dB,1dB STEP)
(4 STEREO INCLUDE 1 ISOLATION INPUT)
VCC/2
1 2 3 4 5 6
IC7 R1114N151D-TR-FA (SERVO Board)
VDD 1 5 VOUT
2
GND
CURRENT
VREF
LIMIT
CE 3 4
32
26 25 24 23 22 21 20 19 18 17
VCC
FADER FADER FADER
(0~-58, (0~-58, (0~-58,
-∞dB) -∞dB) -∞dB) GAIN+ATT
(+10~-29,
-∞dB)
2ND ORDER LPF
EFFECT (0dB~
fc:OFF,80,120,160Hz
+20dB,2dB STEP)
2ND ORDER
Q: 0.707
LPF
MIX
TONE
PASS
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
VOLUME VOLUME
(+23~-79dB,-∞dB
1dB STEP)
fc:40kHz
ANTI-ALIASING
FILTER FILTER
INPUT GAIN
(0~15dB,1dB STEP)
MUTE MUTE
INPUT SELECTOR
7 8 9 10 11 12 13 14 15 16
IC900 BA8271F (MAIN Board)
BUS ON
BUS ON
1
SWITCH
RESET
RST 2
SWITCH
BATTERY
BATT 3
SWITCH
CLK 4
VREF 5
DATA 6
GND 7
NC
14 VCC
13 RESET
BUS ON
12
11 CLK IN
10 BU IN
9 DATA IN
8 DATA OUT