Table of Contents
Advertisement
CDX-L495EE
3-3. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TU1
J1
4
1 ANT
L-CH
(ANTENNA)
R-CH
3
S-METER
6
TU-SDA
14
TU-SCL
13
E2P-SDA
17
E2P-SCL
16
8
MUTE-CONDITION
TU-MUTE
7
11
TU-VDD
VCC(8.3V)
10
BUS-LCH
5
NC
CD-LCH
CDL
9
A
CD
CDR
R-CH
(Page 15)
SECTION
TV-LCH
7
R-CH
SDA
21
SCL
20
19
MUTE
SYSTEM CONTROL
IC501 (2/3)
70
VOLATT
2
VSM
45
I2C_SIO
47
I2C_CKO
87 E2P_SIO
86
E2P_CKO
88
TU-ATT
30
TU-ATTIN
+5V REG.
AUDIO 8.3V
Q1
SOUND CONTROL
ELECTRONIC VOLUME
IC401
VCC
16
AUDIO 8.3V
OUT
EFFECT
-FL
13
MUTE
Q441
OUT
-RL
TONE
12
MUTE
EVR
Q461
I2C
CONT.
BUS
STB 69
BEEP 35
TELATT 40
ACCIN 38
TESTIN
37
LINE MUTE
67
ATT
CONTROL
BATT
Q478,479
68
DIAG
B.UP+B
SYSRST
24
BUSON 25
UNISI 43
UNICKO 44
UNISO 42
NC
BACK-UP CHECK/
OVER VOLTAGE
LOW VOLTAGE
BU IN 28
DET.
CHECK
Q580,D580,581
Q581,582
16
16
-1
R-CH
-2
POWER AMP
IC750 (1/2)
CN601
5
1
12
9
3
2
9
11
7
10
4
12
STB
22
R-CH
BEEP
16
3
11
CONT.
SDA
2
I2C
VP2
6
SCL
BUS
4
VP1
20
TEL
13
ATT
Q651
ACC
DETECT
7
Q631
15
MULTIPLE VOLTAGE
REGULATOR
IC750 (2/2)
D759
AMP-REM
5 ANP-R
29
D760
ANT-REM
6 ANT-R
27
25
DIAG
37
B.UP+B
B.UP+B
8 GND
PANEL+B
34
PANEL+B
MECH 6V
33
MECH 6V
19
SERVO 5V
31
SERVO 5V
17
AUDIO 8.3V
AUDIO 8.3V
30
VP
35
F901
10A
18
BATT
16 +B(BATT)
BATT
• Signal path
: FM
: CD
• R-ch is omitted due to same as L-ch.
L
J330
AUDIO OUT REAR
R
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
ATT
ACC
TEST
Advertisement
Table of Contents
