Sony CDX-C5000X / CDX-C5005 / CDX-C6800X Service Manual ▷ View online
33
33
3-14. SCHEMATIC DIAGRAM — DISPLAY SECTION —
Note:
• Voltage is dc with respect to ground under no-signal
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
(Page 32)
CDX-C5000X/C5005/C6800X
34
34
3-15. PRINTED WIRING BOARD — DISPLAY SECTION —
(Page 31)
• 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
<LED902> C-2
<LED903> C-3
<LED904> A-3
LED910
B-13
Ref. No.
Location
(
) : SIDE B
<
> : CDX-C5005 only
[
] : SIDE B, CDX-C5005 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
CDX-C5000X/C5005/C6800X
35
1
2
3
4
5
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
BUS ON IN
CLK IN
BATT
CHECK
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
IC802 BA8270F-E2
IC901 BA4903ST-V5
IC1 CXA2596M-T6
3-16. IC BLOCK DIAGRAMS
REGULATOR
VREF
+
–
+
–
THERMAL
SHUT
DOWN
OVER
VOLTAGE
PROTECT
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
Click on the first or last page to see other CDX-C5000X / CDX-C5005 / CDX-C6800X service manuals if exist.