Panasonic CQ-JS7230TA Service Manual ▷ View online
7.1. Main Block
IC601 : YEAM784938112
Pin
No.
Name
Description
I/O
Volt (V)
FM AM TAP
E
CD
1
BEEP
Beep
outputPulse:ON,
L:Beep OFF
O
0
0
0
0
2
BIT3
Tape rotary switch 3
I
0
0
0
0
3
BIT2
Tape rotary switch 2
I
0
0
5.1
0
4
BIT1
Tape rotary switch 1
I
0
0
5.1
0
5
FIN
FIN:L,
RIN:H
then
Eject
FIN:H, RIN:H then Brake
O
0
0
0
0.3
6
RIN
FIN:L,
RIN:L
then
BrakeFIN:H,
RIN:L
then
Load
O
0
0
0
0
7
MUTE
H:Mute OFF, L:Mute ON
O
0
0
0
0
8
MD-
SCKN(NC)
SCKN(NC)
-
-
-
-
-
-
9
MD-
SDM(NC)
SDM(NC)
-
-
-
-
-
-
10 MD-
SIM(NC)
-
-
-
-
-
-
11 RESET
Reset
I
5.3 5.3 5.3 5.3
12 X2
Main clock
-
2.8 2.8 2.8 2.8
13 X1
Main clock
-
2.4 2.4 2.4 2.4
14 GND
Ground
-
0
0
0
0
15 X2
Main clock
-
2.8 2.8 2.8 2.8
16 X1
Main clock
-
2.5 2.5 2.5 2.5
17 REGOFF
Connected to +5V
-
5.3 5.3 5.3 5.3
18 REGCPU
Connected to +5V
-
5.3 5.3 5.3 5.3
19 VDD0
+5V power supply
-
5.3 5.3 5.3 5.3
20 FCONT2
F1/F2 mode switch
O 5.3 5.3 5.3 5.3
21 FCONT1
5.3 0
0
0
22 DIV.ON/OF
F
(+5V pull-up)
-
5.3 5.3 5.3 5.3
23 ST
H:Stereo, L:monaural
I
0.5 2
0.5 0.5
24 PLL-D0
PLL data input
I
5.1 5.1 5.1 5.2
25 PLL-CLK
PLL clock
O
0
0
0
0
26 PLL-DI
PLL data output
O
0
0
0.3
0
27 PLL-CE
PLL chip enable
O
0
0
0
0
28 RAD.MUTE H:Except radio, L:Radio
O
0
0
5.3 5.3
29 CD-MUTE
H:CD mute, L:Invalid
O
0
0
0
5.3
30 SD
SD
I
0.4 0.4 0.4 0.4
31 VOL-DATA Electronic volume data
O
0
0
0
0.3
32 VOL-CLK
Electronic volume clock
O
0
0
0
0.3
33 LCD-CLK
LCD clock
O
0
0
0
0
34 LCD-D0
LCD data output
I
5.1 5.1 5.1 5.2
35 LCD-DATA
-
-
-
-
-
-
36 LCD-CE
LCD chip enable
O
0
0
0
0.3
37 LCD-DI
LCD data input
O
0
0
0
0
38 LCD-
RESET
LCD reset
O
0
0
0
0
39 LCDOFF
-
-
-
-
-
-
40 GND
Ground
-
0
0
0
0
41 VDD
-
-
5.3 5.3 5.3 5.3
42 NC
-
-
-
-
-
-
43 MODEA
MODE rotary encoder A
I
5.1 5.1 5.2 5.2
44 MODEB
MODE rotary encoder B
I
0
0
0
0
45 BLINK
LED control (Disc-in slot)
O
0
0
0.3
0
46 BAIGHTNE
S
Dimmer control (Disc-in slot) O
0
0
0
0
47 NC
-
-
-
-
-
-
48 NC
-
-
-
-
-
-
49 NC
-
-
-
-
-
-
50 D4/D0
(+5V pull-up)
-
5.3 5.3 5.3 5.3
51 ASL.IN
Ground
I
0
0
0
0
Pin
No.
Name
Description
I/O
Volt (V)
FM AM TAP
E
CD
52 TAI/TAIWA
N
(+5V pull-up)
I
5.3 5.3 5.3 5.3
53 NC
-
-
-
-
-
-
54 FAN-
ON(NC)
-
-
-
-
-
-
55 NC
-
-
-
-
-
-
56 CLK
Clock
O
0
0
0.3
0
57 STBY
Standby
O 5.3 5.3 5.3 5.3
58 LATCH
Latch
O 5.3 5.3 5.3 5.3
59 DATA
Power supply data
O
0
0
0
0
60 START/ST
OP
CD communication control
O 5.3 5.3 5.3 5.3
61 CD-RESET CD reset
O 5.3 5.3 5.3 5.3
62 NC
-
-
-
-
-
-
63 P.5V-ON
H:CD 5V ON, L:OFF
O
0
0
0
5.3
64 MSOUT
H:No
tape
sound,
L:Detected
I
1.4 1.3 0.3
0
65 CD-SCKM
CD serial data clock
O 5.3 5.3 5.3 5.3
66 CD-SOM
CD serial data input
I
5
5
5.1 4.6
67 CD-SIM
CD serial data output
O 1.5 1.5 1.5
0
68 MS-PL/FF
TapeÉÇÅ[ÉhÉRÉìÉgÉçÅ[Éã O
0
0
0
0
69 T.LOAD
Tape position detection
I
0
0
0
0
70 DOLBY
Tape dolby control
O
0
0
5.3
0
71 NC
-
-
-
-
-
-
72 NC
-
-
-
-
-
-
73 TEST
(Ground pull-down)
-
0
0
0
0
74 MAIN-VOL
Volume level
I
1
1
1
1
75 Vcont
(Ground pull-down)
-
0.4 0.9 0.4 0.4
76 DEG-
IN(NC)
-
-
-
-
-
-
77 A/B
H:Tape B side, L:A side
O
0
0
0
0
78 MTL
Metal tape mode
O
0
0
5.3
0
79 CAM A/B
H:B side, L:A side
I
0
0
0
0
80 MSM
Music sensor mode
O
0
0
0
0
81 MD.MUTE(
NC)
-
-
-
-
-
-
82 VDD
+5V power supply
-
5.3 5.3 5.3 5.3
83 AVDD
+5V power supply
-
5.1 5.1 5.2 5.2
84 GND
Ground
-
0
0
0
0
85 LANIN
LAN data input
I
0
0
0
0
86 LANOUT
LAN data output
O
0
0
0
0
87 ACC-DET
H:ACC
detected,
L:Not
detected
I
5.3 5.3 5.3 5.3
88 TAPE.EJ
Tape eject-key
I
5.3 5.3 5.3 5.3
89 ILL-DET
H:ILL OFF L:ILL ON
I
0
0
0
0
90 EQ
H:Normal tape, L:Metal
I
0
0
0
0
91 CDCH.EJ
H:Eject-key OFF, L:ON
I
5.3 5.3 5.3 5.3
92 +B DET
Battery detection
I
5.3 5.3 5.3 5.3
93 EJ-OR
Logical addition of CD and
tape ejection
tape ejection
I
5.3 5.3 5.3 5.3
94 T.IN
Tape-in detection
I
0
0
0
0
95 MD-ON
-
-
-
-
-
-
96 MD-RST
-
-
-
-
-
-
97 DIV-SUB
-
-
-
-
-
-
98 DIV-MAIN
-
-
-
-
-
-
99 END-B
Tape-end detection B
I
5.1 5.1
0
5.1
100 END-A
Tape-end detection A
I
0.4 0.4
0
0.4
7 TERMINALS DESCRIPTION
9
CQ-JS7230TA
7.2. Display Block
IC901 : YEAMLC75853NW
Pin No.
Name
Description
I/O
Volt(V)
1
(NC)
-
-
-
2
(NC)
-
-
-
3-40
S3-S40
LCD segment
O
2.7
41
COM1
LCD common
O
2.7
42
COM2
LCD common
O
2.7
43
COM3
LCD common
O
2.7
44-49
KS1-KS6 Key scan signal
O
5.3
50-54
KI1-KI5
Key-in detection
I
0
55
TEST
(Connected to ground)
-
0
56
VDD
+5V power supply
-
5.3
57
VDD1
LCD driver power supply
-
3.5
58
VDD2
LCD driver power supply
-
1.8
59
VSS
Ground
-
0
60
OSC
CR OSC
-
3.9
61
D0
LCD data output
O
5.2
62
CE
Chip enable
I
0.3
63
CL
LCD clock
I
0
64
DI
LCD data input
I
0
7.3. CD Deck Block
IC201 MN662783RPW
Pin
No.
Name
Description
I/O
Volt(V)
1
VDD
+5V power supply
-
5
2
D0
D-RAM data
I/O
2.3
3
D1
D-RAM data
I/O
1.8
4
/WE
D-RAM write enable
O
4.9
5
/RAS
D-RAM row address strobe
O
3.4
6
D2
D-RAM data
I/O
0.8
7
D3
D-RAM data
I/O
0
8
/CAS0
Column address strobe
O
3.9
9
/CAS1
Column address strobe
O
0
10 A8
D-RAM address
O
0.6
11 A7
D-RAM address
O
1.1
12 A6
D-RAM address
O
0.7
13 A5
D-RAM address
O
0
14 A4
D-RAM address
O
1.1
15 A9
D-RAM address
O
0.4
16 A0
D-RAM address
O
1
17 A1
D-RAM address
O
1
18 A2
D-RAM address
O
1
19 A3
D-RAM address
O
0
20 VSS2
Ground
-
0
21 VDD2
+5V power supply
-
5
22 PWMCK(N
C)
-
-
-
23 TRVSTP(N
C)
-
-
-
24 TVD
Traverse motor drive
O
2.5
25 PC (NC)
-
-
-
26 ESC
Spindle motor control
O
2.4
27 TRD
Tracking coil drive
O
2.5
28 FOD
Focus coil drive
O
2.4
29 FBAL
Focus balance
O
1.9
30 TBAL
Tracking balance
O
3
31 VREF
Reference voltage
I
2.5
32 FE
Focus error
I
2.5
33 TE
Tracking error
I
2.5
34 RFENV
RF envelope
I
2.5
35 OFT
Off-track
I
0
36 /RFDET
RF detection
I
0
37 BDO
Drop-out
I
0
38 LDON
Laser drive ON
O
4.5
39 ARF
RF signal
I
2.5
40 IREF
Reference current
I
1.2
41 DRF
Bias for DSL
I
2.4
42 DSLF
Loop filter terminal for DSL
I/O
2.5
43 DSLF2
Loop filter terminal for DSL
I/O
2.2
44 PLLF
Loop filter terminal for PLL
I/O
1.4
45 VCOF
-
-
-
46 AVDD2
+5V power supply
-
5
47 AVSS2
Ground
-
0
48 OUTL
Audio left channel
O
2.3
49 AVSS1
GND
-
0
50 OUTR
Audio right channel
O
2.3
51 AVDD1
+5V power supply
-
4.7
52 FSEL
(Connected to ground)
-
0
53 TMODE1
(Connected to ground)
-
0
54 TMODE2
(Connected to ground)
-
0
55 FLAG (NC)
-
-
-
56 FCLK (NC)
-
-
-
57 EXT0 (NC)
-
-
-
58 EXT1 (NC)
-
-
-
59 EXT2 (NC)
-
-
-
60 TX (NC)
-
-
-
61 MCLK
I/F command clock
I
1
62 MDATA
I/F command data
I
3.1
10
CQ-JS7230TA
Pin
No.
Name
Description
I/O
Volt(V)
63 MLD
I/F command load
I
5
64 BLKCK
Subcode block clock
O
0
65 SQCK
External
clock
for
subcode
Q
register
I
5
66 SUBQ
Subcode Q data
O
3.8
67 DMUTE
Mute
I
0
68 STAT
Status
O
5
69 /RST
Reset
I
5
70 CSEL
(Connected to ground)
-
0
71 PMCK (NC)
-
-
-
72 SMCK (NC)
-
-
-
73 SUBC (NC)
-
-
-
74 SBCK (NC)
-
-
-
75 /CLDCK
(NC)
-
-
-
76 /TEST
(Connected to +5V)
-
5
77 X1
Crystal oscillator
-
0.4
78 X2
Crystal oscillator
-
3.2
79 VDD1
+5V power supply
-
5
80 VSS1
Ground
-
0
IC301 : MNS73260ACBL
Pin
No.
Name
Description
I/O Volt(
V)
1
VDD
+5V power supply
-
5
2
OSC2
Crystal oscillator
-
2.2
3
OSC1
Crystal oscillator
-
2.1
4
VSS
Ground
-
0
5
X1
(Connected to ground)
-
0
6
XO (NC)
-
-
-
7
CM
(Connected to ground)
-
0
8
VREFH
(Connected to +5V)
I
5
9
SW13
Horizontal origin switch
I
4.9
10
SW12
Shutter switch
I
4.9
11
SW11
Clump switch
I
0
12
SW10
Play switch
I
0
13
SW4
Shutter switch
I
4.9
14
SW3
Tray origin switch
I
0
15
SW2
Inner switch
I
4.8
16
SW1
Outer switch
I
4.9
17
VREFL
(Connected to ground)
-
0
18
/RESET
Reset
I
4.9
19
P06 (PSBT0)
(Ground pull-down)
-
0
20
SCKM
Serial data clock
I
5
21
SIM
CD changer serial data input
I
1.3
22
SOM
CD changer serial data output
O
4.3
23
SQCK
Serial data clock for DSP Q code
O
5
24
SUBQ
Serial data for DSP Q code
I
1.6
25
P00(SBO0)
(NC)
(NC)
-
-
-
26
P15(IRQ5/SE
NS)
NS)
(Ground pull-down)
-
0
27
CD.ON
CD changer start/stop
I
5
28
P13(IRQ3)
(NC)
(NC)
-
-
-
29
BLKCK
Subcode block clock
I
0
30
P.ON
Power ON control
I
5
31
MUTE
Mute
O
5
32
P27 (TCI4)
(Ground pull-down)
-
0
33
SENS
-
-
-
34
CLVS
-
-
-
35
FLOCK
-
-
-
36
TLOCK
-
-
-
37
VMI
Vertical motor drive
O
2.5
38
HMI
Horizontal motor drive
O
0
39
HVMUTE
Mute for Vertical/Horizontal motor
O
0
Pin
No.
Name
Description
I/O Volt(
V)
40
P37
(Ground pull-down)
-
0
41
P36
(Ground pull-down)
-
0
42
P35
(Ground pull-down)
-
0
43
SW9
Disc (B) detection
I
0
44
SW8
Disc (L) detection
I
0
45
SW7
Disc (F) detection
I
0
46
SW6
Disc-push detection
I
0
47
SW5
Tray height detection
I
4.5
48
BDO
Drop-out
I
0
49
DQSY (NC)
-
-
-
50
/RST
Reset
O
5
51
STAT
Status
I
2.1
52
DMUTE
Mute
O
0
53
XE (NC)
-
-
-
54
P.DOWN
Power control for clock re-generating O
0
55
P40 (NC)
-
-
-
56
MLD
Serial data latch for servo DSP
O
5
57
MDATA
Serial data for servo DSP
O
3.1
58
MCLK
Serial data clock for servo DSP
O
4.1
59
SPMT
Spindle motor shoot
O
5
60
MUTE12
Mute for tracking/focus coil
O
0
61
MUTE4
Mute for loading motor
O
4.8
62
LDOI
Loading motor drive
I/O
2.5
63
TRV
Forced traverse control
I/O
2.4
64
SYNC (NC)
-
-
-
11
CQ-JS7230TA
8.1. Main Block
IC1, 3, 61 : C0ABB000017
IC2, 62 : C1BB00000153
IC704 : AN8065SE1
IC201 : C1BB00000284
IC231 : AN7551NZ-WLB
IC451 : C1BB00000062
8 IC BLOCK DIAGRAM
12
CQ-JS7230TA
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