Panasonic CQ-JB0161A / CQ-JB1161L Service Manual ▷ View online
6 BLOCK DIAGRAM
6.1. Main/Display/Amp Block
5
MITSUBISHI / CQ-JB0161A / CQ-JB1161L
6.2. CD Servo Block
6
MITSUBISHI / CQ-JB0161A / CQ-JB1161L
7.1. Main Block
IC601 : C2BBGF000256 <CQ-JB1161L>
: C2BBGF000287 <CQ-JB0161A>
Pin
No.
No.
Port
Descriptions
I/O
Vol.
(V)
1
SUBVOLCLK
(Ground pull-down)
-
0
2
DIV SW
Diversity switch
I
5.1
3
SET S2
System function setting
O
0
4
AVSS
Ground
-
0
5
SET S0
System function setting
O
0
6
SET S1
System function setting
O
0
7
AVREF
+5V power supply
-
5.1
8
SET R0
System function setting
I
0
9
SET R1
System function setting
I
0
10
SET R2
System function setting
I
0
11
CD DI
CD data output
O
2.4
12
CD DO
CD data input
I
1.4
13
CD CLK
Shift clock for CD data
O
4.9
14
PLL DI
PLL data input
I
5.0
15
MBUSY OUT
M-BUS busy
O
0
16
MBUSY IN
M-BUS busy
I
0
17
MDATA
M-BUS data
I/O
4.9
18
MCLK
M-BUS clock
O
4.9
19
PLLDO
PLL data output
O
0
20
PLLSTB
PLL strobe
O
0
21
PLLCLK
PLL clock
O
0
22
MUTE A
Mute signal
O
0
23
VOL STB
Electric volume strobe
O
0
24
VOL CLK
Electric volume clock
O
0
25
VOL DATA
Electric volume data
O
0
26
AMP CONT
Power amp. stand-by
O
4.9
27
CD PON
CD power control
O
4.9
28
CD ON
CD control LSI enable
O
4.9
29
SW1
CD disc-in SW
I
0
30
SW3
CD disc-out SW
I
4.8
31
TUNEA
Tuner switch signal
I
4.7
32
TUNEB
Tuner switch signal
I
0.5
33
GND
Ground
-
0
34
VOLINA
Volume switch signal
I
0
35
VOLINB
Volume switch signal
I
0
36
CD RESET
CD controller reset
O
0
37
MAIN
Main antenna selection
O
4.9
38
SUB
Sub. antenna selection
O
8.3
39
BIBIRI CNT
Rattle noise check control
O
5.0
40
SECDI
Security data input
I
0
41
SECDO
Security data output
O
0
42
SECCLK
Security
data
read
/
write
clock
O
0
43
SECCS
Security ROM select
O
0
44
FreqOUT
Tone/Burst frequency
O
0
45
TONE/TRG
Tone/Triger control
O
0
46
S.PULSE
Speed pulse input
I
0
47
Ga INPUT
GALA signal input
I
5.0
48
ST
FM stereo detection
I
0.3
49
LCD CONT
LCD back ligth on/off
O
4.8
50
BUZZER
Buzzer output
O
0
51
NC
No connection
-
-
52
KS0
Key strobe
O
0
53
KS1
Key strobe
O
0
54
KS2
Key strobe
O
0
55
KS3
Not used
-
-
56
KR0
Key data
I
0
57
KR1
Key data
I
1.6
58
KR2
(Groung pull-down)
-
0
59
KR3
(Groung pull-down)
-
0
60
RESET
Reset input
I
4.8
61
M-DATA IN
M-BUS data
I
4.9
62
CD EJECT
CD eject SW
I
4.8
63
BATTDET
Battery level detection
I
5.0
64
ACCDET
ACC level detection
I
0
Pin
No.
No.
Port
Descriptions
I/O
Vol.
(V)
65
MUTE_P
Power amp. mute
O
0
66
ANT
Motor antenna power on/off
O
0
67
GND
Ground
-
0
68
VDD
+5V power supply
-
4.9
69
X2
Crystal oscillator
-
0
70
X1
Crystal oscillator
-
2.6
71
GND
Ground
-
0
72
XT2
Crystal oscillator
-
2.7
73
XT1
Crystal oscillator
-
2.5
74
AVDD
+5V power supply
-
4.9
75
AV REF0
+5V power supply
-
5.0
76
VAM/FM
AM/FM vcont
I
0
77
REMOTE_A
(+5V pull-up)
-
5.0
78
BIBIRI.A
(Ground pull-down)
-
0
79
CLIPCONT
Not used
-
-
80
REMOTE_D
(Ground pull-down)
-
0
Note 1 : Voltage measuerments are with respect to ground,
with a voltmeter (internal resistance : 10M ohms).
with a voltmeter (internal resistance : 10M ohms).
7.2. Display Block
IC901 : YEAMSM6786
Pin
No.
No.
Port
Descriptions
I/O
Vol.
(V)
1- 6
SEG1 - 6
LCD segment data
O
2.3
7
SEG7
No connection
-
-
8-20
SEG8-20
LCD segment data
O
2.3
21
VDD
+5V power supply
-
5.0
22-29 SEG21 - 28
LCD segment data
O
2.3
30
-
No connection
-
-
31-34 KR0 - 3
Key data input
I
4.4
35,36 -
No connection
-
-
37-40 KS1 - 4
Key scanning
O
3.5
41
KS5
Not used
-
-
42
LOAD
LCD LSI chip enable
I
0
43
CLK
LCD clock
I
0
44
DATA I/O
LCD/Key dat
I/O
0
45
INT
LCD interrupt
O
3.8
46
/RESET
Reset
I
4.0
47
LED
Not used
-
-
48
3/4 SEL
(Connecting to ground)
-
0
49
VDD
+5V power supply
-
5.0
50
OSC
CR oscillator
-
2.2
51
VSS
Ground
-
0
52
TEST
(Connecting to ground)
-
0
53-56 COM4 - 1
LCD common
O
2.3
7 TERMINALS DESCRIPTION
7
MITSUBISHI / CQ-JB0161A / CQ-JB1161L
7.3. CD Servo Block
IC201 : MN662748RPMF
Pin
No.
Port
Description
I/O
(V)
1
BCLK
Not used
-
-
2
LRCK
Not used
-
-
3
SRDATA
Not used
-
-
4
DVDD
+5V digital power supply
-
5.0
5
DVSS1
Digital ground
-
0
6
TX
Not used
-
-
7
MCLK
MPU command clock
I
0
8
MDATA
MPU command data
I
0
9
MLD
MPU command load
I
0
10
SENSE
Sense signal
O
0
11
/FLOCK
Focus servo lock
O
0
12
/TLOCK
Tracking servo lock
O
4.9
13
BLKCK
Not used
-
-
14
SQCK
Q code external clock
I
4.9
15
SUBQ
Q code output
O
2.5
16
DMUTE
DSP mute
I
0
17
STAT
DSP Status output
O
3.1
18
/RST
Reset input
I
4.9
19,20
Not used
-
-
21
TRV
Forced traverse output
O
2.5
22
TVD
Traverse drive output
O
2.5
23
PC
Spindle motor control
O
0
24
ECM
Spindle motor drive
O
2.5
25
ECS
Spindle motor drive
O
2.5
26
KICK
Kick pulse output
O
2.5
27
TRD
Tracking motor drive
O
2.5
28
FOD
Focus motor drive
O
2.5
29
VREF
D/A reference voltage
I
2.5
30
FBAL
Focus balance adjust
O
2.5
31
TBAL
Tracking balance adjust
O
2.5
32
FE
Focus error signal
I
2.5
33
TE
Tracking error signal
I
2.5
34
RFENV
RF envelope signal
I
2.5
35
VDET
Vibration detection
I
0
36
OFTR
Off track signal
I
0
37
TRCRS
Track closs signal
I
2.1
38
/RFDET
RF detection signal
I
0
39
BDO
Drop out signal
I
0
40
LDON
Laser on/off control
O
4.5
41
PLLF2
Not used
-
-
42
TOFS
TE offset
O
2.5
43
WVEL
Not used
-
-
44
ARE
RF signal
I
1.7
45
IREF
Reference current input
I
1.6
46
DRF
DSL bias
I
0
47
DSLF
DSL loop filter
I/O
2.4
48
PLLF
PLL loop filter
I/O
1.8
49
VCOF
Not used
-
-
50
AVDD2
+5V analog power supply
-
5.0
51
AFSS2
Analog ground
-
0
52
EFM
Not used
-
-
53
PCK/DSLB DSL bias
I
2.4
54
VCOF2
Tracking offset
O
2.5
55
SUBC
Not used
-
-
56
SBCK
(Connecting to ground)
-
-
57
VSS
Ground
-
0
58
X1
Crystal oscillator
I
1.7
59
X2
Crystal oscillator
O
2.3
60
VDD
+5V power supply
-
5.0
61,62
-
Not used
-
-
63
FCLK
Not used
-
-
64
IPFLAG
Not used
-
-
65
FLAG
Not used
-
-
66-69
-
Not used
-
-
70
IOSEL
(Connecting to ground)
I
0
71
/TEST
(Connecting to ground)
I
0
72
AVDD1
+5V analog power supply
-
4.9
73
OUTL
Audio Lch output
O
4.9
74
AVSS1
Analog ground
-
0
75
OUTR
Audio Rch output
O
4.9
76
RSEL
(Connecting to ground)
-
0
77
CSEL
(Connecting to ground)
-
0
78
PSEL
(Connecting to ground)
-
0
79
MSEL
(Connecting to ground)
-
0
80
SSEL
mode select
I
5.0
IC401 : MN101C117AF
Pin
No.
Port
Description
I/O
(V)
1
MASHON
Servo IC OSC control
O
5.0
2
P82
No connection
-
-
3
P81
No connection
-
-
4
P80
(Connection to ground)
-
0
5
Q1
Photo sensor signal (DISC IN)
I
4.5
6
Q3
Photo sensor signal (DISC OUT)
I
4.2
7
Q6
Photo sensor signal (Option)
I
5.0
8
SW4
Clamp SW signal
I
0
9
SW5
Inner SW signal
I
5.0
10
SW2
Feeder arm SW
I
5.0
11
PA6
(Connection to ground)
-
0
12
PA7/IFR
(Connecting to ground)
I
0
13
VDD
+5V power supply
-
5.0
14
OSC2
Crystal oscillator
-
5.0
15
OSC1
Crystal oscillator
-
3.3
16
VSS
Ground
-
0
17
NC
No connection
-
-
18
SOMI
CD control data
O
3.2
19
SIMO
CD control data
I
3.8
20
SCLM
Data shift clock
I
5.0
21
P06
Not used
-
-
22
BD0
Drop out signal
I
0
23
PC1
Loading motor driver control
O
5.0
24
PS2
Focus/Tracking driver control
O
0
25
VDET
Vibration detecting signal
I
0
26
P14
No connection
-
-
27
CDON
CD on signal
I
5.0
28
IRQ1.SENS
E
E
(Connecting to groung)
-
0
29
IRQ2
(Connecting to ground)
-
0
30
LOD
Loading motor control
-
2.6
31
TRV
Traverse motor control
-
2.5
32
/PRST
Servo IC reset
O
5.0
33
STAT
Status signal
I
4.0
34
DMUTE
DSP mute
O
0
35
SUBQ
Sub code Q data
I
2.6
36
SQCK
Sub code Q clock
O
5.0
37
/TLOCK
Tracking servo lock
I
0
38
/FLOCK
Focus servo lock
I
0
39
NRST
reset input
I
5.0
40
MMOD
(Connecting to ground)
-
0
41
SENSE
Sense signal
I
0
42
MLD
Command load
O
5.0
43
MDATA
Command data
O
0.9
44
MCLK
Command clock
O
4.6
8
MITSUBISHI / CQ-JB0161A / CQ-JB1161L
Click on the first or last page to see other CQ-JB0161A / CQ-JB1161L service manuals if exist.