17
17
CDX-GT111/GT161/GT161S
CDX-GT111/GT161/GT161S
1 ANT
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
AUX BUFFER
IC901
CNP301
CD
MECHANISM
UNIT
(MG-101TA)
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (1/2)
RESET
IC602
CN601
R-CH (FRONT)
R-CH (REAR)
VOLATT
BATT
B-CH
4
3
13
TU-SCL
14
TU-SDA
6
S-METER
7
TU-MUTE
16
E2P-SCL
17
E2P-SDA
10 VCC (8.3V)
11 TU-VDD (TU5V)
15 E2P-VDD
AUDIO 8.3V
TU+5V
B.U 3.3V
L-CH
R-CH
J901
AUX
R-CH
BATT
TU+5V
AUDIO 8.3V
SERVO3.3V
MECHA6V
PANEL+B
AUDIO 8.3V
15
7
10
12
11
16
1
9
2
4
3
6
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
VSM
TUATT
EEP-SCL
EEP-SDA
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
ANT-REM
ACC
TEST
MUTE
Q441
MUTE DRIVE
Q478,479
BATT
BATTERY LEVEL CHECK
Q580-582
ACC DETECT
Q631
TU+5V REG
Q1,D1
MUTE
Q461
D479
D511
D580
D581
FU601
BU 3.3V
B.U+3.3V
GT111
8
MUTE-CONDITION
RDS
NS MASK
CONTROL
Q22
RDS DEMODULATOR
IC51
1
7
SCL
BU 3.3V
SDA
+B SWITCH
Q51
9
X51
8.664MHz
GT111
13
TEL-MUTE
TEL-ATT DETECT
Q651
5
QUALITY
11
15
22
24
26
16
5
7
6
21
27
9
25
18
19
8
1,2
AU_LCH
AU_RCH
UNI_SO
UNI_SI
UNI_CLK
Z_MUTE
CD_ON
CDM_ON
SYS_RST
EJECT_OK
BUS_ON
A_ATT
BU_IN
D_3.3V
A_3.3V
BU_3.3V
DR_6V
R-CH
R-CH
R-CH
R-CH
R-CH
SERVO 3.3V
BU_3.3V
MECHA 6V
R-CH
BU 3.3V
D512
D510
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: TUNER
: AUX
4-1. BLOCK DIAGRAM — MAIN SECTION —
SECTION 4
DIAGRAMS