Schematic Diagram -Main Section (2/3) - Sony WX-GT77UI Service Manual

WX-GT77UI/GT78UI/GT78UIM
4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
1 2 3
( )
SUB OUT
(MONO)
A
(CHASSIS)
CN901
3P
B
C912
4700p
IN-FR
IN-FL
HOT_GND
IN-RR
IN-RL
0 0
Q901-905
C MUTE
0 0
R919 R920
10k 10k
R907 R908
D
220 220
C907 C908
10 10
50V 50V
MAIN
1
E
BOARD
(1/3)
(Page 19)
F
MUTE
8.5V
G
3.3V
A-GND
PANEL+B
H
I
J
WX-GT77UI/GT78UI/GT78UIM
• See page 17 for Waveforms.
4 5 6
J901
6P
AUDIO OUT
BUS
FRONT REAR AUDIO IN
R L R L R L
-6 -5 -4 -3 -2 -1
MAIN BOARD (2/3)
C902 C901 C904 C903 C906 C905
100p 100p 100p 100p 100p 100p
R904
1k
R903
1k
R906 R905
10k 10k
0 0 0
IC B/D
IC401
0 0 0
ELECTRONIC VOLUME
IC401
BD3447AFV-E2
4.1 4.1
DS3_R DS3_L
21 20
C412
R408 3.3k R406 3.3k
0.033
4.1 4.1
DS1_R DS1_L
22 19
R409
R921 R922 R923
3.3k
4.1 4.1
10k 10k 10k
DS2_R DS2_L
23 18
C413
R909 R910 R911 4700p
4.1 4.1
220 220 220 EBIAS EBIAS
24 17
C909 C910 C911 NCO 3.7
25 16
10 10 10 ZAP_BEEP
50V 50V 50V
NCO
26 NCO 15
SA_CLK 0
SA_CLK NCO
27 14
SA_DA 0 3.7
SA_DA
28 13
ZAP_BEEP
SA_OUT 0
SA_OUT NCO
29 12
OUT_SRCH NCO
30 11
4.1
NCO
OUT_SLCH 10
31
4.1 3.5
OUT_RRCH
32 9
AUX_RCH
4.1
OUT_RLCH
33 8
AUX_GND
4.1 3.4
OUT_FRCH
34 7
AUX_LCH
4.1 3.8
OUT_FLCH
35 6
CD_RCH
8.3 VCC(8.5V) 3.8
36
5
CD_LCH
L402
I2C_SCK_C
3.1 I2C_SCK 3.8
4
37
C416 C415 TU_RCH
L401
I2C_SIO_C 0.1 220 10V 3.1 3.8
I2C_SIO
38 3
TU_LCH
C402
3.8
GND BUS_RCH
39 2
3.7 3.8
FIL BUS_LCH
40 1
C414 C401
10 1
C417
50V
2.2 50V
ZAPPIN_BEEP
C418 2.2 50V
R918
2.2k
C923
2.2
50V
3
MAIN BOARD (3/3)
(Page 21)
• See page 28 for IC Block Diagrams.
7 8 9
* *
1 C6 2 R3,15,16
9p (US) 0 (EXCEPT US)
10p (EXCEPT US) FERITE (US)
R1 R2
470k 470k
C1
1000p R16 * L2 2.2uH
2
J1
(ANTENNA) L6
6
* *
C6 1 R15 2
VR1
ABSORBER,CHIP SURGE
4
A001
CAM002 (CHASSIS)
C99
C411
0.033 100p
C98
R407
1000p
3.3k
C410
4700p
C407
1
R403
1.5k
C408
47p
R404
47k
C409
0.1
C406
1
1 C405
1
20 20
10 11 12
IC B/D
IC001
PHASE LOCKED LOOP(PLL)
JW102 JW126
IC001
TEF6607T/V4/S470,518
C5
0 8.3
* 1000p C19 0.01
R3 2
(1.4) (6.5)
AMRFIN
0 AMSELOUT2 8.3
C20 0.01
C12 (4.2) (6.5)
AMRFDEC
FM MIX
0.22 3.1 AMSELOUT1 1.2
(2.9) (2.9) C21 1
FMIN2
1 AMIFAGC1
3.1 0
L7 560uH
(2.9) FMIN1 (1.2)
C7
2 AMSELIN2
0
6p
L8 560uH
GNDRF (1.2)
3
AMSELIN1
C9
2.2
C8
C22 0.01
0.1 8.3
0.01 TEST
VCC2
0
C13 2.2
C23 0.01
(1.8) AMRFAGC
PLLREF 2.6
C24 0.1
JW148
R4 0 R11 4.7k
3.8 (4)
PLL
LOUT
JW147
C25 0.1
R5 0 3.8 5.6
ROUT VCODEC
GND
GNDAUD
0.4
C16 0.47
(2) AMIFAGC2 8.3
VCC1
3
C17 0.1 R12 22 C26
(3.6) 6.9
MPXIN
0.1
3.9 VREGSUP
C27 0.1
(5) MPXOUT 3.4
VREF
VSM 0.8
R13 100
(1.1) 3.1
SDA
RSSI
R10 33k
R6 68k
R14 100
6 3.1
SCL
XTAL2
C18 12p
6
GNDD
XTAL1
C28
X1 4MHz
1 47
16V
L1
3.3uH
JW200
L206
R221 R220
22 22
MAZ8068GMLS0
R112
I2C_SCK_C R109 0
10k
DAVN I2C_SIO_C R110 0
MAZ8068GMLS0
MAZ8068GMLS0
R914
C922
R916 C918
470
1
12k 4700p
L901
R917
C917
C921
12k 4700p
1
R915
470
C919
1000p
13 14
CAM001
CN203
R218
5P
0
USB_SHIELD
1
GND(USB)
2 (CHASSIS)
3 D-(USB)
4 D+(USB)
5 VBUS(USB)
(USB)
R111
0
D204
CN202
3P
D205
1 D+(USB)
CD MECHANISM
UNIT
2 D-(USB)
(MG-101Z)
(1/2)
3 GND(USB)
D203
JW113
CN902
18P
JL046
18 RESET
JL045
17 GND(LCD-LED)
JL044
GND(LCD-LED)
16
JL043
15 AUX-R
JL042
14 AUX-GND
JL041
13 AUX-L
JL040
12 GND(KEY)
KEY_IN1 JL039
11 KEY1
LCD_CE JL038
SUB
10 LCD-CE A
LCD_SCK JL037 BOARD
9 LCD-CLK
CN2
RE_IN0 JL036
8 RE0 (Page 23)
RE_IN1 JL035
7 RE1
LCD_SO JL034
6 LCD_DATA
KEY_IN0 JL033
5 KEY0
SIRCS JL032
4 SIRCS
JL031
3 +B(LCD-LED)
DOOR_SW JL030
2 DOOR-SW
JL029
1 DOOR-IND