CQ-RD143N - Panasonic Car Audio Service Manual (repair manual)

Model
CQ-RD143N
Pages
23
Size
3.35 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio / AUTO PRODUCTS
File
cq-rd143n.pdf
Date

View Panasonic CQ-RD143N Service Manual online

CQ-RD143N
Removable Face High-Power Cassette /
RDS Receiver with Changer Control
AUTOMOTIVE AFTERMARKET
ORDER No. ACED021202C2
 1 FEATURES 
2
 2 REPLACING THE FUSE 
2
 3 MAINTENANCE 
2
 4 RADIO ALIGNMENT 
2
 5 DIMENSIONS 
2
 6 WIRING CONNECTION 
3
 7 BLOCK DIAGRAM 
4
 8 WIRING DIAGRAM 
5
 9 SCHEMATIC DIAGRAM (Main Block) 
9
1 FEATURES
     • 
• 
• 
• PLL (Phase Locked Loop) Synthesized Tuning
     • 
• 
• 
• 1DIN Size Body with Cassette Player,AM/FM Tuner, Power
AMP (45Wx4)
     • 
• 
• 
• 15-FM ,5-AM stations preset
     • 
• 
• 
• Auto preset and scan function
     • 
• 
• 
• CD Changer Control function
     • 
• 
• 
• Radio Data System(PS.AF.CT.P1)
2 REPLACING THE FUSE
Be sure to use a fuse of the specified rating (10A) when
replacing a blown fuse. Fuses with higher capacity ratings,use
of any substitute, or connection without a fuse may result in a
fire hazard or damage to the unit.
3 MAINTENANCE
Your product is designed and manufactured to ensure a
minimum of maintenance. Use a soft cloth for routine exterior
cleaning. Never use benzine, or other solvent.
4 RADIO ALIGNMENT
Do not align the AM/FM package blocks. When the package
block is necessary, it will be supplied already aligned at the
factory.
5 DIMENSIONS
 10 SCHEMATIC DIAGRAM (Display Block) 
11
 11 TERMINALS DESCRIPTION 
12
 12 PACKAGE AND IC BLOCK DIAGRAM 
12
 13 REPLACEMENT PARTS LIST (Unit) 
14
 14 EXPLODED VIEW (Unit) 
18
 15 REPLACEMENT PARTS LIST (Tape Player Parts) 
19
 16 EXPLODED VIEW (Tape Deck) 
21
 17 SCHEMATIC DIAGRAM for printing with letter size 
22
CONTENTS
 Page 
Page
2
CQ-RD143N
6 WIRING CONNECTION
CQ-RD143N
3
7
 BLOCK
DIAGRAM
C
Q
-RD14
3N
4
8 WIRING DIAGRAM
8.1. Main Block-1
[E-4C244][TOP VIEW]
CQ-RD133N/143N/153N/243N/R253U/R223W MAIN PCB
5
CQ-RD143N
8.2. Main Block-2
[E-4C244][BOTTOM VIEW]
CQ-RD133N/143N/153N/243N/R253U/R223W MAIN PCB
CQ-RD143N
6
8.3. Display Block
[E-4C245][TOP VIEW]
[E-4C245][BOTTOM VIEW]
CQ-RD133N/143N/153N DISPLAY PCB
7
CQ-RD143N
9 SCHEMATIC DIAGRAM (Main Block)
E-4C244
CQ-RD133N/RD143N/RD153N/RD243N/R253U/R223W  MAIN BLOCK
2.36
0
0
4.9
4.97
0
0
0
0
0
0
0.14
0
0
4.93
0
2.32
0
0
2.25
2.25
0
2.230
5.01
0
4.19
4.18
4.19
4.19
4.18
4.18
4.17
4.19
4.17
8.67
4.17
4.17
4.18
4.17
4.18
4.18
8.67
4.18
4.19
4.17
4.19
4.18
4.19
4.19
4.19
4.18
4.19
4.19
8.69
5.01
IC 301
E-VR
0
0
7.39
4.96
7.39
14.38
7.35
0
7.36
7.31
7.23
7.22
0
7.15
7.1
1
7.23
7.38
0
7.36
14.38
7.36
5.05
7.37
0
0
IC 270 POWER IC 
4.91
0
0
4.97
0
4.97
0
0
4.96
0
4.95
0
4.96
4.98
IC 602 BUFFER IC
1.87
2.21
4.96
0
4.96
1.8
5
4.96
IC 601 
POWER DETECTIVE IC
0.12
0
0
0.66
0
0
0
0.08
E.Q
2.08
2.23
2.41
2.38
4.92
0
0
2.43
0
0
0
4.96
2.3
2.43
2.48
2.48
DECODE IC
0
0
1.1
7.5
8.2
2.5
0
0
5
0
0
3.5
3.5
4.2
0
TUNER 
. 2V/DIV
0 2S 
.
0  1S  2V/DIV
.
.
1S  2V/DIV
.
0  2S  2V/DIV
.
.
50S  2V/DIV
.
2S  2V/DIV
.
INIT
RD133N
RD243N
R253U
R223W
R403
47K
47K
----
47K
R464
----
----
47K
----
R780
J
J
J
J
R790
J
J
J
J
R800
J
----
J
J
R801
47K
----
----
----
CQ-RD143N
9
10 SCHEMATIC DIAGRAM (Display Block)
E-4C245
CQ-RD133N/143N/153N DISPLAY BLOCK
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.9
0.9
0.9
0.9
0.9
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
2.
5
0.
9
0
0
0
0
0
0
5.
1
3.
3
1.
7
0
3.
9
4.
4
0
0
0
0.5MS.2V/DIV
2MS.2V/DIV
2MS.2V/DIV
2MS.2V/DIV
1MS.2V/DIV
CQ-RD143N
11
11.1. Main Block
Ref
.
No.
Part No.
Part Name & Description
Remarks
IC401 UPD780058522
I/O
Vol.(V)
1
INIT C
Specification setup
I
4.87
2
NC
No connection
O
0
3
NC
No connection
O
0
4
AVSS
Ground
_
0
5
AF MUTE
AF mute output
O
4.92
6
NC
No connection
O
0
7
AV REF
+5V power supply
_
4.92
8
MODE1
MODE1
I
0
9
MODE2
MODE2
I
0
10
MODE3
MODE3
I
0
11
CD.C.DATA
CD changer data
SI
0
12
NC
No connection
SO
0
13
CD.C.CLK
CD changer clock
SCK I
0
14
REM OUT
Remocon data output
O
4.92
15
PLL CE
PLL chip enable
O
0
16
PLL DO(MI)
PLL data
SI
4.99
17
PLL DI(MO)
PLL data
SO
0
18
PLL CLK
PLL clock
SCK O
4.93
19
NC
No connection
O
0
20
NC
No connection
O
0.39
21
MMT F
MMT F
O
0.55
22
SMT F
SMT F
O
0.61
23
DOLBY
DOLBY
O
0.09
24
F/R
FF/REW detection
I
0.46
25
A/B
A/B detection
I
0.42
26
MS GAIN
MS gain
O
0.03
27
MTL
MTL output
O
0
28
SMT R
SMT R
O
0
29
R REEL
R REEL
O
0
30
MS IN
MS detection
I
0
31
F REEL
F REEL
O
0
32
TAPE IN
TAPE IN detection
I
1.42
33
VSS 1
VSS 1
_
0
34
NC
No connection
O
4.98
35
ST
FM stereo detection
I
4.97
36
E VOL CLK
Electronic volume clock
O
4.99
37
E VOL DATA
Electronic volume data
I/O
4.99
38
SECURITY LED
Security LED
O
0
39
NC
No connection
O
0
40
NC
No connection
O
0
41
LCD DI(MO)
LCD driver data output
O
4.7
42
LCD DO(MI)
LCD driver data input
I
4.37
43
LCD CLK
LCD clock
O
4.84
44
LCD CE
LCD chip enable
O
0.26
45
POWER LED
Power LED
O
0.06
46
NC
No connection
O
0
47
MUTE
Mute output
O
0
48
NC
No connection
O
0
49
NC
No connection
O
0
50
NC
No connection
O
0
51
NC
No connection
O
0
52
NC
No connection
O
0
53
NC
No connection
O
0
54
NC
No connection
O
0
55
PANEL
Panel in detection
I
4.41
56
SYS CNT
System CNT
O
4.94
57
POWER CNT
System power control
O
4.91
58
ACC SENS
ACC leaver detection
I
4.98
59
NC/RDS DATA
No
connection/RDS
data
input
O/I
2.47
60
RESET
Reset input
I
4.97
61
REM IN
Remocon data input
I
5.5
62
BATT SENS
Battery level detection
I
4.98
63
NC/RDS CLK
No
connection/RDS
clock
input
O/I
2.48
Ref
.
No.
Part No.
Part Name & Description
Remarks
64
CD C STB
CD changer strobe
I
0
65
MODE A
Rotary mode A
I
4.8
66
MODE B
Rotary mode B
I
0
67
VSS0
Ground
_
0
68
VDD1
+5V power supply
_
4.95
69
X2
Crystal oscillator
O
0
70
X1
Crystal oscillator
I
0
71
VPP
VPP
I
0
72
NC
No connection
O
0
73
NC
No connection
I
4.92
74
AVD0
+5V power supply
_
4.95
75
AV REF
A/D
Convetor
standard
volt
_
4.95
76
AM SD
AM BAND SD input
I
0.47
77
FM SD
fM BAND SD input
I
0.46
78
INIT D
Specification setup
I
0
79
INIT A
Specification setup
I
0
80
INIT B
Specification setup
I
4.93
11.2. Display Block
Ref.
No.
Part No.
Description
I/O
Vol.(V)
IC901 YEAMLC75854W
1~34
SEG1~34
LCD segment
O
2.5
35~3
9
NC
No connection
_
_
40~4
3
COM1~4
LCD common
O
2.5
44~4
9
KS1~6
Key data output
O
0.9
50~5
4
K11~5
Key data input
I
0.0
55
TEST
(Connecting to ground)
_
0.0
56
VDD
+5V power supply
_
5.1
57
VDD1
Ground
through
capacitor
_
3.3
58
VDD2
Ground
through
capacitor
_
1.7
59
Vss
Ground
_
0.0
60
OSC
CR oscillator
_
3.9
61
DO
Key data output
O
4.4
62
CE
Chip enable
I
0.0
63
CLK
LCD clock
I
0.0
64
D1
LCD data input
I
0.0
12 PACKAGE AND IC
BLOCK DIAGRAM
11 TERMINALS DESCRIPTION
12
CQ-RD143N

Download Panasonic CQ-RD143N Service Manual (Repair Manual)

Here you can view online and download Panasonic CQ-RD143N Service Manual in PDF. CQ-RD143N service manual will guide through the process and help you recover, restore, fix, disassemble and repair Panasonic CQ-RD143N Car Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.