Block Diagram -Tuner Section - Sony CDX-C5000X Service Manual

CDX-C5000X/C5005/C6800X
3-3. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TU601
(Page 21)
CNJ600
2 ANTFM MPX 10
(ANTENNA)
1 ANTAM AM DET 8
AM IF
19
S-METER
14
SDA
12
SCL 13
VDD (8V) 5 TU +8V
IF BW BACKUP +5V
11
VDD (5V)
16 TU +5V
FM AGC 4
SDA (EEP) 17
SCL (EEP)
18
04
PJ400
BUS AUDIO IN
L R
–5 –6
ELECTRONIC VOLUME
IC701
A
3 AUX L OUT LF 30
CD
CDL 1 CD L
SECTION
13 MPX OUT LR 29
11 AM
12 AM IF
14 LEVEL
15 MPIN
20 SDA
21 SCL
18 MUTE
SYSTEM CONTROL
IC801 (2/3)
72 VOL MUT BEEP 35
69
AMP ON
71
AMP MUTE
TEL MUT 65
ACC IN 64
2 S-MRTER
45 SDA TEST IN 66
47 SCL
6
DSTSEL
SW802(FREQUENCY SELECT)
99
PW ON
TU ON 73
BATT
3 FM AGC
74 EEP SDA
75 EEP SCL
25
DOOR IND
22 22
PJ400
AUDIO OUT REAR AUDIO OUT FRONT
L R L R
–3 –4 –1 –2
POWER AMP
IC101
12
11
Q102 Q101
MUTE MUTE
AUX IN
16
4 STAND BY
22 MUTE
MUTE
SWITCH
B
Q401, 402
CD
ATT
SECTION
(Page 21)
TEL
MUTE
Q916
ACC
CHECK
Q905
BATT
CHECK
Q906
C6800X
FM 50k
AM 9k
POWER SUPPLY
FM 200k IC901
AM 10k
BATT 4 VCC AMP +B 2
BU +B 5 PULL UP +5V
1 AMP ON BACKUP +5V
GND 3
COM +8V TU +8V
COM +8V TU +8V TU +5V
REG REG REG
Q904 Q602 Q601
Q907
TU ON
SWITCH
PW ON
Q603
SWITCH
Q919
DOOR IND
SWITCH
Q908
CNP501
5 1 FL+
9 FL–
3
9 2 RL+
10 RL–
8
4 FR+
12 FR–
R-CH
3 RR+
11 RR–
BATT 16 BATT
F901
13 ATT
7 ACC
BATT
15 TEST
5 AMP REM
AMP +B
6 ANT REM
SWITCH
Q921
TU ON
SWITCH
Q902
TU +5V
• Signal path
: FM
: AM
: CD