DOWNLOAD Sony CDX-C5050X Service Manual ↓ Size: 5.29 MB | Pages: 52 in PDF or view online for FREE

Model
CDX-C5050X
Pages
52
Size
5.29 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-c5050x.pdf
Date
PREV: Sony MDX-C6500X (serv.man2) Service Manual

Sony CDX-C5050X Service Manual ▷ View online

33
33
CDX-C5050X/C5055
3-14. SCHEMATIC DIAGRAM — DISPLAY SECTION —
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(Page 32)
34
34
3-15. PRINTED WIRING BOARD — DISPLAY SECTION —
(Page 31)
CDX-C5050X/C5055
• Semiconductor Location
Ref. No.
Location
(D902)
B-10
(D903)
B-10
(D905)
A-6
(D951)
C-5
(IC901)
B-8
IC951
C-6
<LED901> A-2
<LED902> C-2
<LED903> C-3
<LED904> A-3
LED910
B-13
Ref. No.
Location
(
)  : SIDE B
<
> : CDX-C5055 only
[
]  : SIDE B, CDX-C5055 only
LED911
A-13
LED912
A-5
LED913
B-5
LED914
B-13
LED915
B-5
LED921
A-2
LED922
C-2
LED923
C-4
LED924
A-4
[Q901]
A-3
[Q902]
A-3
35
1
2
3
4
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK 
VREF
DATA
GND
VCC
RST
BUS ON IN
CLK IN
BATT
CHECK
DATA IN
DATA OUT
OUT
OUT
OUT
IN/OUT
1
24
HOLD
2
AGCVTH
3
LD
4
PD
5
A
6
B
7
C
8
D
9
VEE
VEE
VCC
APC PD AMP
+
–
+
–
+
–
+
–
VEE
VREF
1.25V
VCC
APC LD AMP
+
–
VC
VC
VCC
VCC
23 LC/PD
22 LD ON
21 HOLD SW
19 RF BOT
18 RFTC
17 RF I
16 RFO
10
F
15 RFE
11
E
14 FE
12
VC
13 TE
20 AGCCONT
+ 
–
+ 
–
+ 
–
+ 
–
VC
VEE
+
–
VC
VC
VC
VC
VC
VC
VC
+
–
+
–
+ 
–
+
–
+
–
VC
+
–
RF SUMMING AMP
RF EQ AMP
TRACKING
ERROR AMP
VEE
ERROR AMP
FOCUS
VC BUFFER
VCC
VEE
REFERENCE
REFERENCE
VCC
VCCL
VCCL
INL
SVRL
INML
INMR
SVRR
INR
VCCR
VCCR
VCCR
BUFFER
BUFFER
BUFFER
BUFFER
LIFT
AMP
SIGNAL
AMP
LIFT
AMP
SIGNAL
AMP
CL+
CL–
LGND
OUTL
OUTR
RGND
CR–
CR+
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC802  BA8270F-E2
IC901  BA4903ST-V5
IC1  CXA2596M-T6
3-16. IC BLOCK DIAGRAMS
IC401, 402  NJM2160AM-TE2
REGULATOR
VREF
+
–
+
–
THERMAL
SHUT
DOWN
OVER
VOLTAGE
PROTECT
CIRCUIT ON
5
1
2
3
4
AMP
ON
AMP
B+
GND
VCC
BU+B
ON
ON
5.7V
36
1
36
FWD
2
REV
3
VCC2
4
VL0–
5
VL0+
6
VO4+
7
VO4–
8
VO3+
9
VO3–
S-GND
35 MUTE2
34 MUTE1
33 VIN4
31 VIN4+
30 VREF-IN
29 VIN1 (VREF)-SW
28 VREF-OUT (CH1)
10
VO2+
27 REG-OUT
11
VO2–
26 REG-IN
12
VO1+
13
VO1–
14
VCC1
15
VIN1
16
VIN1–A
17
VIN1+A
18
VIN1–B
25 VIN3+
24 VIN3–
23 VIN3
32 VIN4–
INPUT
OUTPUT
CONTROL
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
+
–
+
–
+ 
–
+
–
+
–
+
–
+
–
+
–
AMP-A
AMP-B
VIN1/VREF SW
MUTE1
MUTE2
CH2-CH4 OUTPUT
ON/OFF
CH1 OUTPUT
ON/OFF
GND
5V REG
+ 
–
+
–
22 VIN2+
21 VIN2–
20 VIN2
19 VIN1 +B
+ 
–
+
–
IC7  LA6556
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