Panasonic CQ-C5305U, Service Manual

Page: 9 / 47

9
5 Block Diagram
5.1. Main-1 Block
PA51
FM / AM TUNER
82
16
92
90
94
26
27
28
29
30
10
31
35
36
79
83
5
6
4
3
3
7
3
85
84
80
7229-02-11(1/2)
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
22 21 20 11 14 6
AUX L
HUB L
7
5
1
3
Q401
CN801
CD-L
CD-R
R-CH
9V
CD3.3V
CD SI
CD SO
CD SCK
CD FS
CD MUTE
CD RST
CD SW1
CD SW2
16
17
9
10
13
7
8
5
6
3
4
2
1
3032-14-49
CN101
(CD DECK)
To
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
9 XT1
57 CLK
58 DATA
54 SCLK
53
26 24 22 17 18 29 30
57 58 54 53
SD
A
SCLK
SW
RL FL
SDA
12 CF1
13 CF2
99 AF MUTE
59 STBY
100 AMP MUTE
70 EXT MUTE
DI / DO
FM MODE
CD SW2
CD SW1
CD RST
CD MUTE
CD FS
CD SCK
CD SO
CD SI
EO
FM/AM OSC
FM/AM IFC
VSM
ST
XL601
13.5MHz
XL602
32.8KHz
R-CH
R-CH
IC601(1/2)
SYSTEM CONTROL
INPUT
SEL
IC201
AUDIO SIGNAL PROCESSOR
LOUDNESS
VOLUME
EQALIZER
SPECTRUM
ANALIZER
SUB
WOOFER
FADER
CN250
PREOUT
CN251
SUB.W
FRONT REAR
L R L R L R
R-CH R-CH
CQ-C5305U
CQ-C5405U
Q361*,363
Q362*
364
Q345,346
Q251
MUTE
MUTE
MUTE
IC381
LINE AMP
IC231
LINE AMP
12
12
11
SIGNAL
SIGNAL
LIFT
LIFT
99 59 100 70
: Q361 and Q362 are only for CQ-5405U.
CQ-C5405U/C5305U MAIN(1/2)
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
21
23
STBY MUTE
FL+
FL-
FR+
FR-
RL+
RL-
IC271
POWER AMP
BATT
ACC
AMP CNT
CN701