Block Diagram - Panasonic CQ-C3405U Service Manual

5 Block Diagram

5.1. Main-1 Block
PA51
FM / AM TUNER
AT51 1 AM ANT
2 FM ANT
R-CH
6 14 11 20 21
Q401
Q52,602
TU+B
POW
SW
POW
SW
Q55,601
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7228-02-11(1/3)
IC201
AUDIO SIGNAL PROCESSOR
AUX L 7
HUB L 5 LOUDNESS
INPUT
SEL
L-CH 16
1
17 R-CH 3
SPECTRUM
ANALIZER
22
30 29 18 17
IC601(1/3)
SYSTEM CONTROL
82
ST
SDA
16 VSM
SCLK
92
FM/AM IFC
90
FM/AM OSC
DATA
94 EO
CLK
IC681
EEPROM
XT1
DO 6 83
DI / DO
5
DI
XT2
SK 4 85
SK
CS 3 84 CS
CF1
CF2
79 FM MODE
FM VCC
AF MUTE
STBY
AM VCC
AMP MUTE
EXT MUTE
80
AM MODE
VOLUME
EQALIZER
FADER
SUB
WOOFER
22 24 26
CQ-C3305U
CQ-C3405U
IC381
LINE AMP
53
SIGNAL
54
3
LIFT
58
57 R-CH
XL602
7
32.8KHz
9
R-CH
10
XL601
IC231
13.5MHz
LINE AMP
12
SIGNAL
13
3
LIFT
99
59
100
70
8
CN250
PREOUT
CN251
FRONT REAR
SUB.W
L R L R L R
BATT
ACC
AMP CNT
IC271 R-CH
POWER AMP
Q363
FL+
5
12
MUTE 12
FL-
3
Q364
RL+
21
11 14
MUTE RL-
23
Q261
R-CH
SW
4 22
Q345,346
TEL MUTE
12 MUTE
Q251
CQ-C3405U/C3305U MAIN(1/3)
CN701
2 1
4 3
FR+
6 5
FR-
8 7
10 9
12 11
RR+
14 13
RR-
16 15