Sony CDX-555RF / CDX-555XRF Service Manual ▷ View online
29
29
CDX-555RF/555XRF
7-9.
SCHEMATIC DIAGRAM – MAIN (2/2)/SW Boards –
•
See page 32 for Waveform.
•
See page 32 for IC Block Diagrams.
(Page 31)
(Page 28)
30
30
CDX-555RF/555XRF
FM BOARD
(COMPONENT SIDE)
1-680-510-
11
(11)
B
MAIN
BOARD
CN231
FM
FLEXIBLE
BOARD
IC701
IC304
1-680-510-
11
(11)
2
3
1
F2
BATT
F1
ACC
GND
RED
BLK
YEL
RELAY BOX
FROM
CAR ANTENNA
TO
MASTER UNIT
POWER
CN303
DISPLAY
CN302
OUTPUT
CN703
REMOTE COMMANDER
RM-X80RF
FM BOARD
(CONDUCTOR SIDE)
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
D
G
S
R728
(CHASSIS)
7-10.
PRINTED WIRING BOARD – FM Board –
•
See page 23 for Circuit Boards Location.
(Page 26)
• Semiconductor
Location
Ref. No.
Location
D301
D-9
D302
D-8
D310
C-5
D311
E-10
D312
E-10
D313
C-11
D314
E-11
D701
D-6
D702
G-5
IC304
E-5
IC701
F-4
Q301
C-8
Q308
E-3
Q309
C-10
Q310
C-9
Q311
C-8
Q702
G-5
31
31
CDX-555RF/555XRF
7-11.
SCHEMATIC DIAGRAM – FM Board –
•
See page 32 for Waveforms.
•
See page 32 for IC Block Diagram.
(Page 29)
32
32
CDX-555RF/555XRF
• Waveforms
– RF Board –
– RF Board –
1
IC101
qh
(RFO)
1
IC101
t;
(FE)
6
IC101
ih
(XTAI)
2
IC101
qf
(FE)
2
IC101
ts
(TE)
7
IC201
ra
(EXTAL)
3
IC101
qd
(TE)
3
IC101
ya
(RFAC)
1
IC701
qd
(XOUT)
4
IC101
uj
(LRCK),
uk
(LRCKI)
5
IC101
ia
(BCK),
is
(BCKI)
• IC Block Diagrams
– RF Board –
– RF Board –
IC101
CXA2596M-T6
1.4
±
0.3
Vp-p
Approx.
63 mVp-p
63 mVp-p
Approx.
83 mVp-p
83 mVp-p
– MAIN Board –
Approx.
63 mVp-p
63 mVp-p
Approx.
83 mVp-p
83 mVp-p
1.4
±
0.3
Vp-p
5.6 Vp-p
22.8
µ
s
5.6 Vp-p
470 ns
4.1 Vp-p
59.1 ns
4.4 Vp-p
83 ns
3.4 Vp-p
131.6 ns
– FM Board –
2
IC701
qa
(RF OUT)
656 mVp-p
14.3 ns
1
2
3
4
9
10
11
12
5
6
7
8
23
22
20
18
16
15
14
19
17
13
21
APC LD
AMP
APC PD
AMP
RF SUMMING
AMP
FOCUS ERROR
AMP
RF EQ
AMP
AGC
F I-V AMP
E I-V AMP
COMPARATOR
COMPARATOR
TRACKING
ERROR
AMP
HOLD
AGCVTH
LD
PD
VEE
VEE
VCC
F
E
VC
A
B
C
D
LC/PD
24 VCC
LD ON
AGCCONT
RFTC
RFO
RFE
FE
RF BOT
RF I
TE
HOLD SW
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