Schematic Diagram - Main Section (3/7) - Sony NW-HD3 Service Manual

NW-HD3
5-8. SCHEMATIC DIAGRAM – MAIN Section (3/7) –
CN5001
39P
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
RESET
CS
RS
WR
RD
GND
OSC2
R5001
200k
OSC1
VCC
VCI
LIQUID VREG
CRYSTAL
C6+
C5001
DISPLAY
1
C6-
UNIT
C5+
C5002
1
C5-
C4+
C5003
1
C4-
C3+
C5004
1
C3-
C2+
C5005
1
C2-
C1+
C5006
1
C1-
VLOUT
VLPS
VLREF
V1OUT
V2OUT
V3OUT
V4OUT
V5OUT
SP5002
EL
SP5001
BACK LIGHT UNIT
SET_KEY
AD_RMCKEY
(Page 30)
AD_RMCKEY
BEEP
HP_MUTE
HP_LINE_SEL
HOLD_KEY
HOLD_KEY
AD_KEY1
AD_KEY1
AD_KEY2
AD_KEY2
C4202
2200p
SP4201 R4202
12k
(Page 27)
C4201 R4201
1 15k
AOUTR
C4101 SP4101
1
AOUTL
R4101
15k
R4102
12k
C4102
2200p
2.4V
GND
L4301
100µH
3.3V_A
1.2V
C3019
0.47
(Page 30)
VSTBY
3.3V
NW-HD3
• See page 32 for IC Block Diagrams.
(3/7)
UD7
UD6
UD5
UD4
UD3
UD2
UD1
UD0
XUCS1
XUWR
C5014
XURD
1000p
C5016
0.1
R5025
0
C5013
1
BACK LIGHT DRIVER
C5007 0.1
IC5001
C5008 0.47 SM8142BD-G-EL
C5009 0.47
VSS LDR
C5010 0.47 R5002
120k
OSC CHV
C5011 0.47
ENA OUT1
C5012 0.47
VDD OUT2
R4309 0
R4308 10k D4301 MA2S728-TX
R4307 150k
C4301 10 6.3V
C4302 1 6.3V
C4205
2.2
C4303 6.3V
1
R-IN ROUT
C4203
470p SP4301
GND GND
C4103
470p HEADPHONE AMP
L-IN LOUT
IC4301
AN17020A-VB
RIP-F1 GA-L
C4304
22
4V
R4301 C4318
10 0.1
R4305
1
C4316 C4317 C4307 C4308 C4309
C4306
47 47 47 22 47
0.01
6.3V 6.3V 6.3V 4V 4V
TP5001 SP5003
R5024
10
TP5003
HOLD_KEY
L5001 D5003
220µH
1SS370
R5026
S5009
HOLD
OFF
R5003 18k
R5004 0
C5015
0.1
R5005 0
250V TP5004 SP5004
AD_KEY2
AD_KEY1
R5022
R5023 4.7k
470k
D4445
MA2S728-TX
F4301
R4002 250mA
1M 125V
FB4301
FB4302 100
C4204 220 2.5V
FB4303
FB4304
FB4305
R4105
C4104 220 2.5V
0
C4105 2.2 6.3V
R4205
R4203 R4103 0 D4101
22 22 MA2S111-TX
C4206 C4106
0.01 0.01
TP4301
R4316
+2.4V REGULATOR
22
IC4302
R1180Q241B-TR-FA
C4320
C4319
10
0.1
6.3V
26 26
U_D
USB_CNT
UA0
XRESET_LCD
BACKLIGHT_PWR
RMC_DTCK
R5019
680
CN5002
6P
R5008 R5010 R5014 R5016
6.8k 3.3k 1.5k 1k
R5018 D5001
470k C5017 MA2S7
0.01 28-TX
TP5002
R5012
10k 1M
D5002
C5018 MA2S7
0.01 28-TX
ON
R5013
1M
R5020 R5017 R5009 R5011 R5015
680 1k 6.8k 3.3k 1.5k
CN5003
5P
TP4308 RM_VDD
TP4309 RM_TSB
TP4310 RM_KEY
TP4311 RM_GND
TP4312
FB4101 TP4313
FB4201 TP4314
D4201
MA2S111-TX
D4302 D4303 D4304
MAZW068H0LS0 MAZW068H0LS0 MAZW068H0LS0
C4322
2200P
C4305
(CHASSIS)
47p
2.4V_AD
2.4V_DAC
GND_A
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
(Page 24)
REPEAT
PLAY/STOP
DOWN
UP
SKIP
GND
GND
SETUP
MENU
DISPLAY
MODE
VOL-
VOLUME+/-
VOL+
J4301
/LINE OUT
(Page 27)