WX-GT77UI/GT78UI/GT78UIM
WX-GT77UI/GT78UI/GT78UIM
15
15
20
22
11
12
28
8
17
18
3
25
7
19
27
13
24
4
AU_LCH
AU_RCH
TXD(MC-BUS)
RXD(MC-BUS)
WAKE UP
Z_MUTE
CD_ON
CDM_ON
SYS_RST
EJECT_OK
VBUS ON
AU ATT
BU CHECK
MECHA 8.5V
A+3.3V
BU_+3.3V
DR_+6V
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
AUDIO +8.5V
BU_+3.3V
SERVO+3.3V
R-CH
R-CH
BU +3.3V
15
D201
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
PHASE LOCKED LOOP
(PLL)
IC001
L6
FM MIX
L2
CN201
CD
MECHANISM
UNIT
(MG-101Z)
(1/2)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
SYSTEM CONTROL
IC501 (1/2)
RESET
IC303
CN701
R-CH (FRONT)
R-CH (REAR)
BATT
R-CH
JAC1
L
R
-1
-2
AUX
J901 (1/2)
X1
4MHz
BUS
AUDIO IN
S22
RESET
R-CH
BATT
R-CH
AUDIO +8.5V
SERVO+3.3V
MECHA+6V
PANEL+B
7
10
12
11
16
1
9
2
4
3
6
I2C-SCK
I2C-SIO
I2C-SCK
I2C-SIO
I2C-SCK
I2C-SIO
I2C-SCK
I2C-SIO
FL+
FL–
L
R
RL+
RL–
FR+
FR–
RR+
RR–
ANT-REM
BATT
ACC
MUTE
Q905
MUTE DRIVE
Q906,907
13 RST
12 BUS IN
11 CLK IN
10 BU CHECK
ACC DETECT
Q703
MUTE
Q903
5
AMP-REM
14
ILL
ILL DETECT
Q702
13
TEL-ATT
TEL-ATT DETECT
Q701
REAR
BUS INTERFACE
IC601
D901
D202
D502
FU601
B.U+5V
FRONT
R-CH
L
J901 (2/2)
R
-3
-4
-5
-6
AUDIO
OUT
MUTE
Q901
BU+3.3V
BATT
5
6
8
4
2
3
1
BATT
J601
(BUS CONTROL IN)
TH601
7
BATTERY CHECK
Q601,D606,607
MECHA +6V
3.3V
6
NCO
3
F WRITE
7
CLK
2
RESET
RX
4
1
5
TX
CN501
FLASH
PROGRAMMING
BU +3.3V
B.U +5V
CD MUTE
Q201
SUB OUT
(MONO)
FLASH
PROGRAMMING
BUFFER
Q501-503
• Signal Path
• R-CH is omitted due to same as L-CH.
: AM or MW
: CD
: FM
: BUS AUDIO
: AUX
4-1. BLOCK DIAGRAM – MAIN Section –
SECTION 4
DIAGRAMS
Содержание WX-GT77UI - Radio / CD
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