Panasonic CQ-ES0380A / CQ-ES0381A Service Manual ▷ View online
5 BLOCK DIAGRAM
5
CQ-ES0380A / CQ-ES0381A
6.1. Main Block
IC601 : C2CBKJ000115
Pin
No.
Port
Descriptions
I/O
Vol (V)
CD TAP
E
1
A-INH (NC) Audio change IC Inhibit
-
-
-
2
CCB-CE
Power control IC Chip enable.
O
0
0
3
CCB-DI
Power control IC data output
O
0
0
4
NC
(DSP/PW-
DO)
(DSP/PW-
DO)
-
-
-
-
5
CCB-CL
Power control IC clock output
O
0
0
6
VSS
GND
-
0
0
7
CNVSS
Not used
-
0
0
8
A-CONT2
Audio source select signal 2
O
5
0
9
A-CONT1
Audio source select signal 1
O
0
5
10 RESET
Reset signal
I
5
5
11 X2
Crystal oscillator connection
-
2.5
2.5
12 GND
It connects it with GND.
-
0
0
13 X1
Crystal departure pendulum
connection
connection
-
2.3
2.5
14 VDD0
+5V Power supply terminal
-
5
5
15 NMI
Not used
-
5
5
16 ILL-DET
Power supply illumi detection
input
input
I
5
5
17 ACC-DET
Power supply ACC detection
input
input
I
5
5
18 Low-+B-
DET
Power-supply voltage decrease
detection
detection
I
5
5
19 IE,BUS,TIM IE BUS detection
I
0
0
20 WDT-CLK
Watchdog timer clock output
O
2.6
2.6
21 +B-DET
Battery voltage detection input
I
5
5
22 BEEP (NC)
-
-
-
-
23 (NC)
-
-
-
-
24 PANEL-
INF0
-
-
-
-
25 PAN-ON
(NC)
-
-
-
-
26 PWM-ILL
Power supply illumi control
O
0
0
27 D OUT
External communication data
input
input
I
0
0
28 D IN
External communication data
output
output
O
0
0
29 CD-SIM
CD serial data output
O
2.2
1.2
30 CD-SOM
CD serial data input
I
2.3
4.1
31 CD-SCKM
CD serial data clock
O
4.9
1.9
32 NC (RDS-
MUTE)
Not used
-
-
-
33 SDA
PLL serial data output
O
4.9
4.9
34 SCL
PLL serial data clock output
O
5
5
35 T IN
Cassette tape in signal
I
4.9
0
36 MS PL/FF
Music sensor FF/Play signal
O
0
0
37 DOLBY
Dolby NR ON/OFF signal
O
0
5
38 PW-STBY
Power control IC standby output
O
5
5
39 MUTE
H: MUTE ON L: MUTE OFF
O
0
0
40 TEL-MUTE
(NC)
-
-
-
-
41 RSE-MUTE
(NC)
-
-
-
-
42 MSOUT
Music sensor signal input
I
0
0
43 JPN/OTHE
R
Destination setting
I
0
0
44 WDT-CE
Not used
-
-
-
45 D4/D0
D4/D0 setting
I
0
0
46 CD/IDC
CD/IDC setting
I
0
0
47 MD/CST
MD/CST setting
I
0
0
48 SW3 (NC)
-
-
-
-
Pin
No.
Port
Descriptions
I/O
Vol (V)
CD TAP
E
49 SW1 (NC)
-
-
-
-
50 NC (LCD-
DATA)
51 NC
(MODEA)
-
-
-
-
52 LOAD
(MODEB)
LOAD switch signal
I
5
5
53 IND-CLK
(LCD-SCK)
IND clock
O
0
0
54 IND-DATA
(LCD-STB)
IND data
O
0
0
55 INDLED-
GW (LCD-
OFF)
OFF)
IND LED (GW)
O
0
0
56 INDLED-AB
(LCD-CE2)
IND LED (AB)
O
0
0
57 PANEL-
INFO
PANEL information
I
0
0
58 CD-RST
CD power supply reset signal
O
5
5
59 CD-ON
H: In dash CDCH ON
O
5
5
60 VCC
+5V power supply
-
5
5
61 ST
H:Stereo L: Mono
I
4.8
4.8
62 VSS
GND
-
0
0
63 AMNC-
ON/OFF
AM noise canceler ON/OFF
O
5
5
64 SDA
Electric field detect signal
I
4.8
4.8
65 WP
WP signal
O
4.8
4.8
66 DIV-MAIN
Diversity antenna select
(L:MAIN)
(L:MAIN)
O
0
0
67 DIV-SUB
Diversity antenna select (L:SUB)
O
0
0
68 DIV-SW
Diversity antenna SW
I
3.2
3.2
69 RSE-CNT2
(NC)
-
-
-
-
70 RSE-CNT1
(NC)
-
-
-
-
71 CST-EJ
Tape eject key
I
4.9
4.9
72 CD-EJ
CD eject key
I
4.9
4.9
73 DQSY
CD TEXT DQSY
I
4.9
4.9
74 TSTB
-
-
-
-
75 RSE-INH
(NC)
-
-
-
-
76 BIT1
Tape rotary switch 1
I
6.8
4.9
77 BIT2
Tape rotary switch 2
I
4
4.9
78 BIT3
Tape rotary switch 3
I
4.4
0
79 EQ
H: Normal L: Metal
I
4.6
0
80 F-IN1
FIN:L RIN:H Eject FIN:H RIN:H
Brake
Brake
O
7
0
81 R-IN2
FIN:L RIN:L Brake FIN:H RIN:L
Load
Load
O
6.9
0
82 ENDB
Tape END detect
I
5.1
3.3
83 ENDA
Tape END detect
I
4.4
4.6
84 MSM
H: FF/REW
O
0
5
85 CAM-AB
H: B side L: A side
I
4
4.9
86 MTL
H: Normal L: Metal
O
3.5
5
87 F/R
A/B side voice select
O
0
5
88 T-LOAD
Tape loading
I
3.6
0
89 AMNC-IN
AM noise canceller
I
3
3.1
90 Vcont
Field strength analog input
I
2.9
2.8
91 FM-KEY/
(NOISE)
Not used
-
-
-
92 REO-IN
(NC)
-
-
-
-
93 ST-SW2
Steering wheel switch input 2
I
4.8
4.9
94 GND
(AVSS)
GND
-
0
0
95 ST-SW1
Steering wheel switch input 1
I
4.8
4.8
6 TERMINALS DESCRIPTION
6
CQ-ES0380A / CQ-ES0381A
Pin
No.
Port
Descriptions
I/O
Vol (V)
CD TAP
E
96 AVREF
Analog reference
-
4.9
4.9
97 AVCC
+5V power supply
-
5
5
98 TSO
(SUBC)
CD TEXT TSO3
I
4.8
4.9
IC631 : YEAMLB1930MT
IC651 : C1EB00000001
Pin
No.
Port
Descriptions
I/O
Vol (V)
CD TAP
E
99 TSI (NC)
-
-
-
-
100 TCK
(SBCK)
CD TEXT clock
O
1.8
0
IC705 : AN31910A-NF
IC707 : C0JBAA000102
7 IC BLOCK DIAGRAM
7.1. Main Block
7
CQ-ES0380A / CQ-ES0381A
IC190 : YEAMHA12181F
IC701 : C0DBZHZ00020
8
CQ-ES0380A / CQ-ES0381A
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