27
27
04
ANT1
(ANTENNA)
1
10
2
AM ANT
MPX
FL
RL
SR
ADL
19
AM IF
8
AMDET
FM ANT
TUNER UNIT
TUX201
MUTE
CONTROL
Q206,207
Q202
Q205
13
12
11
15
14
20
21
18
31
32
SYSTEM CONTROL
IC502 (2/3)
14
S METER
VSM
TU ATT
VOL ATT
EXTATT
SCL
SDA
S METER
MP IV
AM
R-CH
AM IF
MPX
38 ACOUTL
35 SWINR
33 AC INLR
34 ACINLF
12
SDA IIC
70 I2CSIO
13
SCL IIC
71 I2CCKO
4
FM AGC
51 FM AGC
17
SDA EEPROM
10 E2PSIO
18
SCL EEPROM
11 E2PCKO
1
30
SEL
OUT FL
ELECTRONIC VOLUME
IC301
29
OUT RL
25
OUTSWR
17
QUAL
50
QUALITY
55
AMP ON
96
TEL ATT
95
ILL IN
81
ACC IN
73
XIA
BATT
74
XDA
84
TEST
83
PW ON
92
XO
93
XI
113
TU ON
ATT
TO DISPLAY
SECTION
3
TO CD
SECTION
4
Q356
Q358
Q360
Q353
MUTE
CONTROL
Q354, 355
12
5
3
11
22
4
9
7
POWER AMP
IC351
MUTE
STBY
CN101
FL+
FL–
RL+
RL–
TEL MUTE
ILL
ACC
TEST
FR+
13
14
7
15
4
10
2
9
1
12
3
11
COM 8V
FR–
RR+
RR–
5
AMP REM
6
ANT REM
16
BATT
X103
32.768kHz
X104
3.68MHz
ILL
DET
Q113
POWER
CONT.
Q364,366
ACC
DET
Q112
POWER
CONT
Q107-109
Q111
R-CH
BATT
BATT
BATT
TU5V
REG
Q201
TU8V
TU 8V
POWER
CONT
Q203,204
COM8V
CN301
CN302
–2
–1
R
L
SUB OUT
–3
–4
R
L
AUDIO OUT
REAR
R-CH
R-CH
–5
–6
R
L
AUDIO OUT
FRONT
R-CH
–1
–2
R
L
BUS AUDIO IN
R-CH
53
7
SW SHIFT
SW SHIFT
21
POWER
CONT.
Q363,365
L-CH LINE DRIVER
IC303
SUB LINE DRIVER
IC304
7
12
2
3
7
12
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 26)
(Page 28)
CDX-C8050X