Schematic Diagram -Audio Section (3/3) - Sony ICD-UX71 Service Manual

4-6. SCHEMATIC DIAGRAM – AUDIO Section (3/3) –
1 2
AUDIO BOARD (3/3)
A
D4004,4005
(LCD BACK LIGHT)
B
R4025
10
R4034
100k
INK0002AT2-T111A-1
C4015 R4019
1u 1M
C
D
R4001 R4003
10k 10k
R4005 R4010 R4012
1k 1k 2200
E
R4006 R4009 R4011
1k 1k 2200
F
G
- +
MENU VOLUME
H R3013
SDI0
SDO0 R3004 10k
SCK0
AIRQ
CS3
FM_CLK
R3006
D3000
100
1SS400TE-61
I
R3014
220k
C3002
C3003
47u
0.1u
6.3V R3015
100k
J
ICD-UX71/UX71F/UX81/UX81F/UX91F
• See page 24 for IC Block Diagram.
3 4 5
R4004 R4008
2200 470
(OPR)
Q4004
LM6K1FS8T2R
LED DRIVE
Q4002
LED DRIVE
R4000 R4002
1M 1M
R4013 R4015 R4017 R4021 C4002
Q4003
2200 4700 10k 22k 0.1u
DTA144EMFS6T2L
KEY WAKEUP SWITCH
KEY_WAKEUP
R4028 C4004
10k 0.1u
A-B
C4003
R4014 R4016 R4018 R4022
0.1u
2200 4700 10k 22k
ENT DIVIDE
IC B/D
GND
NC
3.1
FCON
NC
IC3000
NC
NC
0
CE1 REAL TIME CLOCK
NC
3.1
IC3000
DATA NC
0 RTC-4574NB
CLK
NC
3.1
TIRQ
NC
2.9
AIRQ
NC
0
CE0
NC
0
FOUT
3
VDD
1Vpp CPU_32K
6 7 8 9
AUDIO
9
UNREG_2.4 BOARD DGND
(2/3) CPU_VDD_3.1
(Page 16)
DOUT
SP_SHDN
AUDIO
LRCK
3
BOARD
(1/3)
BCK
(Page 15)
DATA
SDI1
SDA
SCK1
SCL
SDO1
AUDIO
CHARGE_ON
(Page 16) 6
BOARD
BATT_LEVEL
(2/3) BATT_LEVEL_MEASURE
HP_INSERT
MIC_INSERT
SP/HP_SEL
AUDIO
2
CPU_DAMP_GND
BOARD
DAMP_SEL
(1/3)
(Page 15)
CPU_LOUT
MUTE
CPU_ROUT
DX/LO
DGND
CPU_VDD_3.1
VCC_3.3
AIRQ
CPU_POWER_ON
HOLD
AUDIO_POWER_ON
CPU_VDD_3.1
AUDIO
BACKLIGHT
7
BOARD
(2/3)
CHARGE_MEASURE_ON
(Page 16)
BATT_CHARGE_LEVEL
FM_POWER_ON
VBUS
DGND
AUDIO
CPU_VDD_3.1
(Page 16) 8
BOARD
CPU_PLL2_2.8
(2/3)
VCC_3.3
AUDIO
FM_INT
5
BOARD
FM_CLK
(1/3)
(Page 15)
17 17
ICD-UX71/UX71F/UX81/UX81F/UX91F
10 11 12
SDI0
SDO0
SCK0
AIRQ
CPU_32K
KEY_AD0
KEY_AD1
CS2
KEY_WAKEUP
CS3
LCD_A0
LED_R
LED_G
LCD_RESET
BACKLIGHT
FM_CLK
SDO0
SCK0
LCD_A0
LCD_RESET
CS2
R4033 C4011 C4005 C4006 C4007 C4008 C4009
470k 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
13 14 15
CN4001
60P
1 DGND
2 DGND
3 AUDIO_POWER_ON
4 HOLD
5 DOUT
6 SP/HP_SEL
7 DAMP_SEL
8 SP_SHDN
9 LRCK
10 MUTE
11 BCK
12 VCC_3.3
13 DATA
14 DX/LO
15 SDI1
16 SDA
17 SCK1
18 SCL
19 SDO1
20 CHARGE_ON
21 BATT_LEVEL
22 SDIO
23 HP_INSERT
24 SDO0
25 MIC_INSERT
26
SCK0
27
BATT_LEVEL_MEASURE
28 CPU_DAMP_GND
29 AIRQ
MAIN
A
30 CPU_LOUT
BOARD
(3/3)
31 CPU_32K
CN8002
32 CPU_ROUT
(Page 21)
33 KEY_AD0
34 CPU_DAMP_GND
35 KEY_AD1
36 CS2
37 KEY_WAKEUP
38 CS3
39 CPU_POWER_ON
40 LCD_A0
41 LED_R
42 LED_G
43 LCD_RESET
44 UNREG_2.4
45 UNREG_2.4
46 UNREG_2.4
47 CPU_VDD_3.1
48 BACKLIGHT
49 CPU_VDD_3.1
50
CHARGE_MEASURE_ON
51
BATT_CHARGE_LEVEL
52 CPU_PLL2_2.8
53 FM_POWER_ON
54 FM_INT
55 VBUS
56 DGND
57 VBUS
58 DGND
59 VBUS
60 DGND
CN4000
18P
1 V0
2 V1
3 V2
4 V3
5 V4
C4012
6 CAP2N
0.1u
7 CAP2P
LCD901
C4013
8 CAP1P
0.1u LIQUID
9 CAP1N
CRYSTAL
C4014
10 CAP3P
0.1u DISPLAY
11 VOUT
PANEL
12 GND
13 VDD
R4035 0
14 SI
R4036 0
15 SCL
16 LCD_A0
17 RES
18 LCD_CS
C4010
0.1u