Panasonic CQ-C3405U

8
5 Block Diagram
5.1. Main-1 Block
PA51
FM / AM TUNER
82
16
92
90
94
10
79
83
5
6
4
3
3
7
3
85
84
80
7228-02-11(1/3)
AT51
2 FM ANT
FM VT
FM / AM OSC
FM / AM IFC
VSM
SD / ST IND
AM VT
1
17
16
AM ANT
L-CH
R-CH
R-CH
22212011146
AUX L
HUB L
CD L
7
5
1
3
Q401
DO
DI
SK
CS
Q52,602
Q55,601
TU+B
FM VCC
AM VCC
POW
SW
POW
SW
IC681
EEPROM
AM MODE
CS
SK
XT2
9XT1
57CLK
58DATA
54SCLK
53
26242217182930
57 58 54 53
SDA SCLK
SW
RL FL
SDA
12CF1
13CF2
99AF MUTE
59STBY
100 AMP MUTE
70EXT MUTE
DI / DO
FM MODE
EO
FM/AM OSC
FM/AM IFC
VSM
ST
XL601
13.5MHz
XL602
32.8KHz
R-CH
R-CH
IC601(1/3)
SYSTEM CONTROL
INPUT
SEL
IC201
AUDIO SIGNAL PROCESSOR
LOUDNESS
VOLUME
EQALIZER
SPECTRUM
ANALIZER
SUB
WOOFER
FADER
CN250
PREOUT
CN251
SUB.W
FRONT REAR
LR LR LR
R-CH R-CH
CQ-C3305U
CQ-C3405U
Q363
Q364
Q261
Q345,346
Q251
MUTE
MUTE
MUTE
SW
IC381
LINE AMP
IC231
LINE AMP
12
12
11
SIGNAL
SIGNAL
LIFT
LIFT
99 59 100 70
CQ-C3405U/C3305U MAIN(1/3)
TEL MUTE
RR+
RR-
R-CH
R-CH
224
14
1615
1413
1211
10 9
87
65
43
21
12
5
3
21
23
STBY MUTE
FL+
FL-
FR+
FR-
RL+
RL-
IC271
POWER AMP
BATT
ACC
AMP CNT
CN701