Panasonic CQ-EH3260A (serv.man3) Service Manual ▷ View online
6 BLOCK DIAGRAM
6.1. Main Block
5
HONDA / CQ-EH3260A
6.2. CD Servo Block
6
HONDA / CQ-EH3260A
7.1. Main Block
IC601 : C2CBJG000294
Pin
No.
Port
Descriptions
I/O
(V)
FM AM CD
1
BEEP
BEEP output
O
0
0
0
2
IDCHSTS
TOP
TOP
IDC microcomputer STOP
mode release signal output
H:STOP mode release
mode release signal output
H:STOP mode release
O
5.0 5.0
5.0
3
SUBDO
LCD driver data signaling output
for sub-display
for sub-display
O
5.0 4.0
5.1
4
SUBDI
BLANK signal output for sub-
display
display
O
5.0 5.1
5.1
5
ANTILED Security LED control output
H:LED lighting
O
0
0
0
6
VOL A
Encoder input (A)
I
0.3 0.3
0.3
7
VOL B
Encoder input (B)
I
0
0
0
8
NC
-
-
0
0
0
9
LCD-DI
LCD driver customer engineer
signal input for AUDIO display
signal input for AUDIO display
I
4.8 4.8
4.8
10 NC
-
-
0
0
0
11 RESET
System reset input
I
5.2 5.2
5.2
12 XT2
Crystal connection for sub-
system clock oscillation
system clock oscillation
-
1.9 1.9
1.9
13 XT1
Crystal connection for sub-
system clock oscillation
system clock oscillation
I
1.6 1.6
1.6
14 VSS
GND
-
0
0
0
15 X2
Crystal connection for the main
system clock oscillation
system clock oscillation
-
1.7 1.7
1.7
16 X1
Crystal connection for the main
system clock oscillation
system clock oscillation
I
1.5 1.5
1.5
17 REGOFF Regulator action specification
signal
-
0
0
0
18 REGC
Power supply of regulator stop
-
3.7 3.7
3.7
19 VDD
Positive power supply
-
5.1 5.2
5.2
20 NC
-
-
0
0
0
21 ANC
When output L: "ANC ON" for
ANC-CHK is displayed O
ANC-CHK is displayed O
0
0
0
22 NC
-
-
0
0
0
23 SUBCE
LCD driver customer engineer
output line for sub-display
output line for sub-display
O
0
0
0
24 SEC-CE
EEPROM CE signal output
O
0
0
0
25 SEC-CLK EEPROM clock signal output
O
0
0
0
26 SEC-DI
EEPROM data signal input
I
0
0
0
27 SEC-DO
EEPROM data output
O
0
0
0
28 VOL-C
Encoder input (C)
I
0
4.8
4.8
29 VOL-D
Encoder input (D)
I
4.8 4.8
4.8
30 PWRSW
PWR SW detection L:SW ON
I
4.9 4.9
4.9
31 ACC
CONT2
ACC ON control signal output
(2) H:ACC ON
(2) H:ACC ON
O
5.1 5.1
5.1
32 ACCCON
T
ACC ON control signal output
H:ACC ON
H:ACC ON
O
5.1 5.1
5.1
33 AMPCON
T
PWR IC control signal output
H:AMP ON
H:AMP ON
O
5.1 5.1
5.1
34 NC (LCD
ON)
LCD backlight control signal
output H for AUDIO display:
Back light ON
output H for AUDIO display:
Back light ON
O
5.1 5.1
5.1
35 SWD+B
When SW+B output signal
output is H:PWR ON
output is H:PWR ON
O
5.1 5.1
5.1
36 PLL-CE
PLL IC CE signal output
O
0
0
0
37 PLL-DO
PLL IC data signaling output
O
0
0
0
38 PLL-CLK PLL IC clock pulse output
O
0
0
0
39 PLL-DI
PLL IC data signaling input
I
5.1 5.1
5.2
40 D.GND
Ground potential
-
0
0
0
41 VDD
Positive power supply
-
5.1 5.1
5.2
42 AMNK
AM noise cancellation L:ON
O
0
0
0
43 ST-IND
FM stereo indicator input H:ST
I
0.4 1.9
0
44 RED-LED RED-LED control signal output
H:LED lighting
O
0
0
0
Pin
No.
Port
Descriptions
I/O
(V)
FM AM CD
45 GREEN
LED
GREEN-LED control signal
output
output
O
0
0
0
46 SUB-CLK LCD driver clock output line for
sub-display
O
0
0
0
47 WP
Input H:EEPROM writing is
improper for (sound making
mode)
improper for (sound making
mode)
I
0
0
0
48 E-VOL
DATA
E-VOL DATA signal output
O
0
0
0
49 E-VOL
CLK
E-VOL CLK signal output
O
0
0
0
50 MUTE
MUTE output terminal H:MUTE
ON
ON
O
-
-
-
51 DATA-
CONT
Data reception control signal
output H for ROM collection:
When data is received
output H for ROM collection:
When data is received
O
0
0
0
52 NC
-
-
-
-
-
53 SW1
Key source output 0 for key
scanning
scanning
O
-
-
-
54 SYSACC System ACC (GA-NET) control
signal output H:SYSACC ON
O
5.1 5.1
5.1
55 SET-
SEC2
Security specification switch two
(writing/usually) H:CODE write
mode
(writing/usually) H:CODE write
mode
I
0
0
0
56 SET-
SEC1
Security specification switch
I
0
0
0
57 SW2
Key source output 1 for key
scanning
scanning
O
-
-
-
58 SW3
Key source output 2 for key
scanning
scanning
O
-
-
-
59 COM1
Key return input 0 for key
scanning
scanning
I
0
0
0
60 COM2
Key return input 1 for key
scanning
scanning
I
0
0
0
61 COM3
Key return input 2 for key
scanning
scanning
I
0
0
0
62 NC
NC (OPEN)
O
-
-
-
63 NAVI-
MUTE-R
NAVI voice interrupt line MUTE
control output (Rch)
control output (Rch)
O
0
0
0
64 ILL-IN
Illumi input terminal H: Illumi
turning on (decrease in lights
execution of one step)
turning on (decrease in lights
execution of one step)
I
4.2 4.2
4.2
65 NAVI-
MUTE-L
At NAVI voice interrupt line
MUTE control output (Lch)
H:FLch interruption
MUTE control output (Lch)
H:FLch interruption
O
0
0
0
66 A/C-IN
Air conditioner data signaling
input
input
I
0
0
0
67 REAR-
MUTE
Individual MUTE output (REAR)
L:MUTE ON (REAR)
L:MUTE ON (REAR)
O
5.2 5.2
5.2
68 FL-MUTE Individual MUTE output (FL)
L:MUTE ON (FL)
O
5.2 5.2
5.2
69 FR-MUTE Individual MUTE output (FR)
L:MUTE ON (FR)
O
5.2 5.2
5.2
70 AUX-IN
AUX detection input H:AUX
mode
mode
I
5.2 5.2
5.2
71,
72
NC
NC (OPEN)
-
-
-
-
73 VPP
Terminal for IC test (Connect it
with GND)
with GND)
I
0
0
0
74 REMO
Steering wheel remote control
input
input
I
5.0 5.0
5.0
75 NC
-
-
-
-
-
76 TELEMA
TICS
At TELEMATICS ON signal
output H:TELEMATICS
interruption
output H:TELEMATICS
interruption
O
0
0
0
77 NC
-
-
-
-
-
78 NC
-
-
-
-
-
79 DIVSW
Rageodaibarsabantena
detection input L: There is
Sabantenaing. (diver effective)
detection input L: There is
Sabantenaing. (diver effective)
I
5.1 5.1
5.2
7 TERMINALS DESCRIPTION
7
HONDA / CQ-EH3260A
Pin
No.
Port
Descriptions
I/O
(V)
FM AM CD
80 VSM
Radio field strength input
I
1.0 1.1
0.8
81 NC
-
-
-
-
-
82 AVDD
Positive power supply for A/D
converter
converter
-
5.2 5.2
5.2
83 AVREF1
Reference voltage impression
for A/D converter
for A/D converter
-
5.1 5.1
5.1
84 AVSS
GND for A/D converter
-
0
0
0
85 GA IN
GA NET Bus data input
I
0
0
0
86 GA OUT
GA NET Bus data output
O
0
0
0
87 ACC-DET ACC detection input H:ACC ON
I
5.1 5.1
5.1
88 ILLUMI-
Illumi input for illumi control (-)
I
0
0
0
89 TELMUT
E
At TELEMATICS interrupt signal
input L:TELEMATICS
interruption
input L:TELEMATICS
interruption
I
5.2 5.2
5.2
90 GAIN
Gallium test data input
I
5.1 5.1
5.1
91 IDCEJEC
T
EJECT button input L: Button
ON
ON
I
4.3 4.3
4.3
92 BAT-DET +B detection input H:+B ON
I
5.1 5.1
5.1
93 TEL/EJ-
INT
Button interruption detection
input button interruption
input button interruption
I
4.7 4.7
4.7
94 IDC-SI
CD serial communications data
entry
entry
I
4.1 4.1
3.1
95 RXD
NC (OPEN)
O
0
0
0
96 E-VOL
STB
E-VOL STB signal output
O
0
0
0
97 IDC-CLK
CD serial communications clock
output
output
O
5.0 5.0
5.0
98 IDC-SO
CD serial communications data
output
output
O
0
0
0
99 LED-
DIM2
Pulse output for Ilmicontororl
O
4.7 4.7
4.7
100 CD-
RESET
CD deck microcomputer RESET
output L:RESET
output L:RESET
O
5.0 5.0
5.0
7.2. CD Servo Block
IC201 : MNG7851ATCUC
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
DVDD3
+5V power supply
-
3.6
2
D0
D-RAM data
I/O
2.0
3
D1
D-RAM data
I/O
2.0
4
NWE
D-RAM data write
O
3.0
5
NRAS
D-RAM row address strobe
O
3.2
6
D2
D-RAM data
I/O
2.1
7
D3
D-RAM data
I/O
1.9
8
NCAS0
D-RAM columun address strobe
O
2.8
9
NCAS1
D-RAM columun address strobe
O
1.4
10
A8
D-RAM address
O
1.0
11-14 A7-4
D-RAM address
O
1.1
15
A9
D-RAM address
O
1.1
16-18 A0-A2
D-RAM address
O
1.1
19
A3
D-RAM address
O
1.1
20
DVSS2
Ground
-
0
21
DVDD2
+5V power supply
-
3.6
22
SPOUT
Not used
-
1.5
23
TRVP
Traverse motor control
O
1.9
24
TRVM
Traverse motor control
O
1.9
25
TRP
Trackng coil drive
O
1.9
26
TRM
Trackng coil drive
O
1.9
27
FDP
Focus coil drive
O
2.0
28
FDM
Focus coil drive
O
2.0
29
FBAL
Focus balance
O
1.9
30
TBAL
Tracking balance
O
1.9
31
CSEL
(Connecting to VDD)
-
3.6
32
FE
Focus error
I
2.0
33
TE
Tracking error
I
1.9
34
RFENV
RF envelope
I
1.9
35
OFT
Off track signal
I
0
36
NRFDET
RF detecting signal
I
0
37
BDO
Drop-out signal
I
0
38
LDON
Laser on signal
O
3.6
39
ARF
RF signal
I
1.9
40
IREF
Reference current input
I
1.2
41
ADPVCC
(Connecting to ground)
-
0
42
DSLF
Loop filter for DSL
-
2.0
43
DRF
Loop filter for DSL
-
2.2
44
PLLF
Loop filter for PLL
-
1.3
45
VCOF
VCO filter
-
1.3
46
AVDD2
+5V power supply
-
3.6
47
AVSS2
Ground
-
0
48
OUTL
L channel output
O
1.8
49
AVSS1
Ground
-
0
50
OUTR
R channel output
O
1.8
51
AVDD1
+5V power supply
-
3.5
52
FSEL
(Connecting to P3V)
-
3.7
53,54
-
(Connecting to ground)
-
0
55
FLAG
Flag output
O
0
56
CLVS
Servo status signal
O
3.6
57-60
-
Not used
-
-
61
MCLK
Clock for I/F command
I
2.4
62
MDATA
Date for I/F command
I
1.9
63
MLD
I/F command load
I
3.5
64
BLKCK
Subcode block clock
O
0
65
SQCK
Ext.clock for sub code-Q
I
3.5
66
SUBQ
Code for sub. code-Q
O
1.1
67
DMUTE
Mute input
I
0
68
STAT
Status signal
O
1.1
69
NRST
Reset input
I
3.6
70
SPPOL
Not used
-
-
71
PMCK
Clock output
O
2.0
72
SMCK
Clock output
O
1.9
73
SDATA
Serial data
O
0
74
LRCK
LR clock
O
0
75
BCLK
Bit clock
O
0
76
/TEST
(Connecting to VDD)
-
1.5
77
X1
Crystal oscillator
-
1.8
78
X2
Crystal oscillator
-
1.8
8
HONDA / CQ-EH3260A
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