Sony Cdx L550 570x Manual

21 21
CDX-L550X/L570X
(Page 24)
3-8. PRINTED WIRING BOARD — MAIN SECTION —
(Page 19)
D601 J-1
D801 J-6
D802 K-7
D803 I-12
D804 I-12
D809 K-4
D811 K-4
D812 K-3
D813 K-3
D814 K-3
D815 J-2
D816 K-3
D817 K-2
D818 K-4
D901 H-12
D902 D-11
D906 D-11
D907 F-11
D908 D-9
D909 D-9
D911 A-9
D912 A-9
D913 C-10
D914 C-10
D915 A-9
D916 A-9
D917 B-10
D918 A-10
D919 F-11
D920 C-11
D931 B-14
D932 E-12D934 D-10
D935 D-10
D941 G-10
IC401 I-3
IC404 A-7
IC801 I-9
IC802 J-12
IC901 G-13
Q101 C-4
Q102 B-3
Q201 B-5
Q202 B-4
Q801...

22 22
CDX-L550X/L570X
IC B/D
• Refer to page 17 for Waveforms.
3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —  • Refer to page 28 for IC Block Diagrams.
(Page 20)
(Page 23) Note:
• Voltage is dc with respect to ground under
no-signal (detuned) condition.
no mark : FM
( ) : AM
< > : CD PLAY 

2323
CDX-L550X/L570X
IC B/D
3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —  • Refer to page 29 for IC\
 Block Diagrams.
Note: 
• Voltage is dc with respect to
ground under no-signal 
(detuned) condition.
no mark : FM
(Page 
      22)
(Page 25) 

24 24
CDX-L550X/L570X
3-11. PRINTED WIRING BOARD — RELAY SECTION —
(Page 21)
(Page 27) 

25 25
CDX-L550X/L570X
3-12. SCHEMATIC DIAGRAM — RELAY SECTION —
(Page 26)
(Page 23) 

26 26
CDX-L550X/L570X
3-13. SCHEMATIC DIAGRAM — DISPLAY SECTION —
(Page 25)
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM 

27 27
CDX-L550X/L570X
3-14. PRINTED WIRING BOARD — DISPLAY SECTION —
(Page 24)
( ) : SIDE BRef. No. Location
(D501) A-11
(D502) A-10
(D503) B-10
(D504) B-6
(IC501) B-9
IC502 A-5
LED510 B-12
LED511 A-12
LED512 B-5
LED513 B-5 • Semiconductor
Location 

28 28
CDX-L550X/L570X
+
–+
–+
–+
–
OVER VOLTAGE
PROTECT
REGULATOR
123456789101211
NC
MODE2
MODE1
STB
VDD
AMP
VCC
ANT
COM
AM
FM
GND
IC1  µPD63711GC-8EU • IC BLOCK DIAGRAMS
IC901  BA4908-V3IC2  BA5810FP
76
75
AGCIAGCO74RFI73C3T72ASY71EFM70AVDD697E DAC3687D DAC2677C DAC1667F DAC065MD64SD63TD62FD60ATEST59TEST158TEST057DGND56TSTB55TSCK54TSI53TSO52PACK51DVDD61AGND
1
DGND
2
RFOK
3
RST
4
A0
5
STB
6
SCK
7
SO
8
SI
9
XTALEN
10
DVDD
11
DAVDD
12
ROUT
13
DAGND
REGC
16
LOUT
17
DAVDD
18
R+
19
R–
20
L+
21
L–
22
XVDD
23...

29
CDX-L550X/L570X
IC401  TDA7406T
33
3435
363738
39
4041424344
1234567891011
282730293231
SOFT STEP
FADERSOFT STEP
FADERSOFT STEP
FADER
SUB
WOOFER
FILTER
MONO
FADER
MIXER
OUTPUT SELECTOR
HIGH PASS
SOFT STEP
VOLUME
7BAND
EQUALIZER
SOFT MUTE
BEEP
PAUSEPLL
PIL, DET
LOUDNESS
SPECTRUM
ANALIZER
IN GAIN
+ AUTO
ZERO
MAIN SOURCE
SELECTORMIXING
SELECTOR
IIC-BUS
DIGITAL
CONTROL
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
PILOT
CANCELLATION
MULTI
PATH
DETECTOR
AM/FM
NOISE
BLANKER
PULSE
FORMER
SUPPLY
25kHz
LP
86kHz
LP...

30
CDX-L550X/L570X
1
19 234
520
67 89
1011
12
12 1314
15 16 17
18
#2#2
#2 #1
#1 MG-393X-121//K
#1
TU601
F901 #3
#1
#1#1 #2
#6
#2 #2
#5 #5 #5
SECTION 4
EXPLODED VIEWS
Ref. No.Part No.DescriptionRemark
4-1. CHASSIS SECTION
Ref. No.Part No.DescriptionRemark The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le...