Schematic Diagram -Key Section - Sony WX-GT77UI Service Manual

WX-GT77UI/GT78UI/GT78UIM
4-11. SCHEMATIC DIAGRAM – KEY Section –
1 2 3
KEY BOARD
A
D44-47
B
(VOL ILLUMINATION)
C
D
0.1 R101
10K
0.8
R102
10K
E
GT77UI
F
R1
100
G
CN1
17P
RESET
ILL+B
LCD-CLK
LCD-DATA
LCD-CE
SIRCS
KEY-IN1
KEY-IN0
SUB
H B
BOARD RE-1
CN3 RE-0
KEY-GND
(Page 23)
D-GND
AUX-R
AUX-GND
AUX-L
AMBER
R13 1K
BLUE
I C2 0.001
C15 0.022
J
KEY_GND D_GND ESD-GND
FB1
FB2
JAC1
AUX FB3
K
WX-GT77UI/GT78UI/GT78UIM
4 5 6 7
* 2 D57,58,61,62,65,66,69,70,73,74,77,78,81,82,85,86 * 4 R61,62,65,66,69,70,73,74,77,78,81,82,85,86,89,90
SML-D12P8WT86SJ (GT77UI) 680 (GT77UI)
SML-D12D8WT86SQ (GT78UI/GT78UIM) 1.2k (GT78UI/GT78UIM)
D55,57 D59,61
D63,65
ALBM/ ALBM/
D67,69
D48-50 PRESET PRESET SRC/
(LCD BACK LIGHT) + - SOURCE BTM
D56,58 D60,62 D64,66 D68,70
MODE DSPL
/SCRL
R99
0.1
SEEK- SEEK+
* 5
0.8
R40
820
R100
10K
Q40,43 * 5 R99
LED DRIVE 4.7k (GT77UI)
2.2k (GT78UI/GT78UIM)
R3 R5 R7
CL
820 1K 1K
DI
CE
7 6
A
C
B
MODE DSPL BTM
/SCRL
E D
S1
PUSH DIAL
SELECT
(VOLUME)
R6 R8
1K 1K
SOURCE
RESET
8 9 10 11
* 3 R57,58 * 1 D54,88
680 (GT77UI) SML-D12P8WT86SJ
750 (GT78UI/GT78UIM) SML-310DTT86
D87,88
D71,73 D75,77 D79,81 D83,85
EQ3 1 3/REP 5/DM+
D72,74 D76,78 D80,82 D84,86
ZAP 2 4/SHUF 6/PAUSE
R95
9 0.1
0
0
Q41,42
LED DRIVE
R9 R11 R14 R16 R18 R20 R22
1.2K 1.5K 1.8K 2.2K 3.3K 3.9K 5.6K
EQ3 ZAP 6/PAUSE 5/DM+ 4/SHUF 3/REP 2 1
R10 R12 R15 R17 R19 R21 R23
1.2K 1.5K 1.8K 2.2K 3.3K 3.9K 5.6K
ALBM/
PRESET
-
SRC/ ALBM/ SEEK-
PRESET
+
SEEK+
26 26
12 13 14
IC1
IC1
TSOP4840SB1
(GT77UI)
REMOTE CONTROL
(GT78UI/GT78UIM)
SIGNAL RECEIVER
R30 1 2 3
100
R26
300
R29
220
R31 C9
S63 2.5 S63
1.2K 2.2
S64
2.5 S64
S65 2.5
S65
S66 2.5 S66
COM1 2.5 COM1
COM2 2.5
COM2
COM3 2.5 COM3
COM4 2.5 COM4
S67
2.5 S67
5.6
VDD
3.4 VDD1
R33
C10
C11 C12 1.7 VDD2
120 0.022
0.1 0.1
VSS
S68/OSCI
5.7 INH
CE 0.3
R37 470 CE
CL 3.1 CL
R38 470
DI
R39 470 3 DI
P1/S1
5.6 P2/S2
BLINK
D52,54
* 6 D8
KDS160-RTK (GT78UI/GT78UIM)
MA2J1110GLS0 (GT77UI)
R97
2.2K
0.8
R98
10K
34 35
33
15 16 17
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
S42 2.5 S42
61 40
S41
S41 2.5
62 39
2.5 S40
S40
63 38
S39 2.5 S39
64 37
S38 2.5 S38
65 36
2.5 S37
S37
66 35
S36 2.5 S36
67 34
S35 2.5 S35
68 IC2 33
S34
S34 2.5
69 32
2.5 S33
S33
70 IC2 31
S32 2.5 S32
71 LC75876WH-US-E 30
S31
S31 2.5
DISPLAY CONTROL
72 29
2.5 S30
S30
73 28
S29 2.5 S29
74 27
S28
S28 2.5
75 26
2.5 S27
S27
76 25
S26 2.5 S26
77 24
S25
S25 2.5
78 23
2.5 S24
S24
79 22
S23 2.5 S23
80 21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
40 45 50 55 60 65 66
LCD1
LIQUID CRYSTAL DISPLAY PANEL
30 25 20 15 10 5 1