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22
22
CNJ600
(ANTENNA)
2
10
1
ANTFM
MPX
CDL
8
AM DET
19
AM IF
14
S-METER
12
SDA
13
SCL
4
FM AGC
16
VDD (5V)
11
IF BW
5
VDD (8V)
17
SDA (EEP)
18
SCL (EEP)
ANTAM
TUNER UNIT
TU601
2
45
47
72
12
14
15
20
21
18
11
13
1
3
30
SYSTEM CONTROL
IC801 (2/3)
ELECTRONIC VOLUME
IC701
LINE AMP (L CH)
IC402
AUX L
INFL
INRL
OUT LF
OUT FL
OUT RL
29
2
7
13
12
OUT LR
35
BEEP
69
AMP ON
71
AMP MUTE
65
TEL MUT
64
ACC IN
CD L
MPX
AM
AM IF
LEVEL
MPIN
SDA
SCL
MUTE
VOL MUT
S-MRTER
SDA
SCL
FM AGC
TU +8V
BACKUP +5V
TU +5V
EEP SDA
EEP SCL
R-CH
L
R
BUS AUDIO IN
R-CH
L
R
AUDIO OUT REAR
CD
SECTION
A
MUTE
SWITCH
Q401, 402
Q102
MUTE
Q101
MUTE
–3
–4
R
-CH
L
R
AUDIO OUT FRONT
–1
–2
–5
–6
ATT
CD
SECTION
B
22 MUTE
4 STAND BY
11
12
5
3
9
8
POWER AMP
IC101
1
9
2
10
CNP501
FL+
FL–
RL+
RL–
4
12
FR+
FR–
3
11
RR+
RR–
16 BATT
13 ATT
5 AMP REM
6 ANT REM
R-CH
BATT
F901
TEL
MUTE
Q916
7 ACC
15 TEST
99
73
PW ON
25
DOOR IND
66
TEST IN
ACC
CHECK
Q905
TU +8V
REG
Q602
COM +8V
REG
Q904
TU +5V
REG
Q601
BATT
CHECK
Q906
POWER SUPPLY
IC901
1
TU ON
4
2
BATT
BATT
BATT
VCC
AMP +B
5
BU +B
3
GND
AMP ON
PULL UP +5V
BACKUP +5V
TU +8V
TU +5V
3
04
75
74
AMP +B
SWITCH
Q921
COM +8V
TU ON
SWITCH
Q902
TU ON
SWITCH
Q603
PW ON
SWITCH
Q919
DOOR IND
SWITCH
Q908
Q907
PJ400
PJ400
• Signal path
: FM
: AM
: CD
: AM
: CD
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 21)
(Page 21)
CDX-C5050X/C5055
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