Panasonic CQ-C5355N Service Manual ▷ View online
5
4 Technical Descriptions
4.1.
Terminals Description
4.1.1.
Main Block
IC601 : YESAM403
Pin
No
Port
Description
I/O
Vol
[V]
1
DBGP0
Not used
-
0
2
DBGP1
Not used
-
0
3
DBGP2
Not used
-
0
4
RDS CLK
RDS (Radio Data System) clock
I
2.4
5
RM DATA
Remote control data
I
4.7
6
CDC STB/SYSID4 CD changer Strobe; or Hub con-
nection device identification 4
I
0
7
EVENT
Hub event detection
I
0
8
RESET
System reset
I
4.8
9
XT1
Crystal oscillator 1 (32.768kHz)
I
1
10 XT2
Crystal oscillator 2 (32.768kHz)
O
1.4
11 VSS
Ground
-
0
12 CF1
Ceramic oscillator 1 (13.5MHz)
I
1.4
13 CF2
Ceramic oscillator 2 (13.5MHz)
O
1.3
14 VDD
+5V power supply
-
4.8
15 INT A
Pulled down
-
0
16 VSM
Signal meter intensity (Tuner)
I
0
17 USB FLG
USB power switch
I
4.8
18 LEVEL
Not connected
-
-
19 USB RESET
USB reset
O
3.3
20 ACC
ACC level detection
I
4.9
21 SYSID1
Hub connection device identifica-
tion 1
tion 1
I
4.8
22 SYSID2
Hub connection device identifica-
tion 2
tion 2
I
4.8
23 USB MUTE
USB mute
O
0
24 CDC DATA
Serial data from CD changer
I
0
25 CDC CLK/SYSID3 Serial clock for CD changer; or
Hub connection device identifica-
tion 3
tion 3
I
0
26 CD DI (CD SI)
Serial data to CD and USB
O
0
27 CD DO (CD SO)
Serial data from CD and USB
I
3.3
28 CD CLK
Serial clock for CD and USB
O
0
29 CD CE (FS)
Chip enable for CD and USB
O
0
30 CD MUTE
CD mute
I
0.2
31 CD RESET
CD reset
O
4.8
32 POWER CNT
System power supply control
O
4.8
33 SUB READY
Sub ready from CD servo
I
4.8
34 REG READY
Reg. ready from CD servo
I
4.8
35 CD SW1
CD detection switch 1
I
0.1
36 CD SW2
CD detection switch 2
I
0.1
37 CD DMUTE
Mute for Pick-up driver
O
0
38 CD S/L
Sleding/Loading mode switch
O
4.8
39 VSS
Ground
-
0
40 VDD
+5V power supply
-
4.9
41 CD ERROR
CD error status
I
0.1
42 CD LIMIT SW
CD limit detection switch
I
4.8
43 CD EM
Ejecting mode for Sled motor
O
0
44 CD LM
Loading mode for Sled motor
O
0
45 HUB ACC CNT
Power supply control for Hub
(External device)
(External device)
O
0
46 HUB CNT
Hub connection check request
O
4.8
47 INV CNT
Not connected
-
0
48 USB SLP
USB sleep
O
0
49 LCD DI
Serial data to LCD
O
4.7
50 LCD DO
Serial data from LCD
I
4.8
51 LCD CLK
Serial clock for LCD
O
4.8
52 LCD CE
Chip enable for LCD CPU
O
0
53 E-VOL I2C DATA
Serial data for Audio signal pro-
cessor (volume)
cessor (volume)
O
4.8
54 E-VOL I2C CLK
Serial clock for Audio signal pro-
cessor
cessor
O
4.8
55 VDD
+5V power supply
-
4.8
56 VSS
Ground
-
0
57 E-VOL LV CLK
Serial clock to Audio signal pro-
cessor (Audio level)
cessor (Audio level)
O
0
58 E-VOL LV DATA
Serial data from Audio signal pro-
cessor (Audio level)
cessor (Audio level)
I
0
59 STBY
Standby mode for Power amplifier
O
4.8
60 SRS MODE 1
SRS WOW mode 1
O
0
61 SRS MODE 2
SRS WOW mode 2
O
0
62 SRS MODE 3
SRS WOW mode 3
O
0
63 SRS FOCUS
ELVL
Focus control for SRS WOW
O
0
64 EJ ILL
Ejection key illumination control
O
4.8
65 PANEL IN
Front panel detection
I
0.1
66 LCD 5V CNT
+5V power supply control for LCD
circuit
circuit
O
0
67 USB IN
USB-in detection
I
0
68 EJECT
Ejection switch
I
4.8
69 BATT
Battery level detection
I
4.9
70 EXT MUTE
Telephone mute
I
4.8
71 OP/CL
Open/Close detection for Front
panel
panel
I
4.8
72 MODE B
(ROTARY 2)
Rotary encoder detection B for
volume
volume
I
4.8
73 MODE A
(ROTARY 1)
Rotary encoder detection A for
volume
volume
I
4.8
74 CDC REM OUT
Remote control for CD changer
O
-
75 HUB-TX
Transmission data to Hub
O
-
76 HUB-RX
Reception data from Hub
I
0
77 UTX2
Serial data to USB
O
0
78 URX2
Serial data from USB
I
0
79 FM MODE
Power supply control for FM
mode
mode
O
4.8
80 USB ENBL
USB enable
O
4.8
81 MONO
Monaural control
O
0
82 ST
FM stereo indication
I
4.9
83 EEP-ROM DI/DO Not connected
-
0
84 EEP-ROM CS
Not connected
-
0
85 EEP-ROM SK
Not connected
-
0
86 ANT CNT
Not connected
-
4.8
87 VREG
Connected to capacitor
-
3
88 VSS
Ground
-
0
89 VDD (PLL)
+5V power supply
-
4.8
90 OSC FM/AM
FM/AM local oscillation frequency
I
1.4
91 N.C.
Ground
-
0
92 FM/AM IFC
FM/AM center frequency input
I
0
93 N.C.
Ground
-
0
94 EO
FM/AM phase detection error out-
put
put
O
2.3
95 SUBPD
Not connected
-
-
96 RDS DATA
RDS (Radio Data System) data
I
2.8
97 SSC
SD sensitivity control
O
0
98 AMP CNT
Power supply control for External
amplifier
amplifier
O
4.7
99 AF MUTE
Audio signal mute
O
4.8
100 AMP MUTE
Mute for Power amplifier
O
4.8
Pin
No
Port
Description
I/O
Vol
[V]
6
4.2.
IC Block Diagram
4.2.1.
Main Block
IC201 : YESAM384
IC211 : YESAM398
IC271 : YESAM274
IC301 : YESAM357
IC501 : YESAM283
IC602 : YESAM390
IC650 : YESAM391
7
IC740 : YESAM269
IC750 : YESAM267
IC791 : YESAM344
IC802 : YESAM352
PA051 : YESAP413
8
5 Block Diagram
5.1.
Main-1 Block
FRONT
L
R
R-CH
PA51
FM / AM TUNER
82
81
16
92
90
94
79
96
2
4
16
13
14
4
7230-02-11(1/3)
AT051
R-CH
CN251
AUX
L
R
2 FM ANT
VT
FM DET
FM / AM OSC
FM / AM IFC
VSM
SD / ST IND
1
13
12
AM ANT
L-CH
R-CH
R-CH
17 18
16
15
9
6
19
HUB L
CD L
REMO IN
7
5
1
3
Q401
MPX
OSC IN
OSC OUT
Q055,602
TU+B
FM VCC
POW
SW
IC501
RDS DEM
RDS CLK
26
24
17
16
14
18
29
30
57
58
54
50
SD
A
SCLK
CLK
D
ATA
RL
FL
12
62
61
60
63
CF1
13
CF2
99
AF MUTE
59
STBY
100
AMP MUTE
70
EXT MUTE
RDS DATA
FM MODE
XT1
XT2
EO
OSC FM/AM
FM/AM IFC
VSM
ST
EVOL
MONO
XL601
13.5MHz
XL501
4.332MHz
9
10
XL602
32.8KHz
IC601(1/3)
SYSTEM
CONTROL
INPUT
SEL
IC201
AUDIO SIGNAL PROCESSOR
LOUDNESS
VOLUME
EQUALIZER
SPECTRUM
ANALIZER
FADER
LINE
SEL
FOCUS
FOCUS
CONT
TRU
BASS
3D
STEREO
CN250
PREOUT
REAR
L
R
R-CH
Q363
Q364
Q251
Q261
Q261
MUTE
MUTE
MUTE
CONT
CONT
CQ-C5355N MAIN(1/3)
TEL MUTE
RR+
RR-
R-CH
R-CH
22
4
14
16 15
14 13
12 11
10 9
8 7
6 5
4 3
2 1
12
5
3
3
21
23
23
STBY
MUTE
FL+
FL-
FR+
FR-
RL+
RL-
IC271
POWER AMP
BATT
ACC
AMP CNT
CN701
Q054
AMP
Q066
43
40
28
29
27
33
SRS MODE1
Q211
SRS MODE2
SRS MODE3
SRS MODE3
IC211
IC301
SRS WOW
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