Sony Walkman NW-HD1 Service Manual page 53

1-3. SCHEMATIC DIAGRAM – MAIN Section (3/7) –
CN5001
39P
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
RESET
CS
RS
WR
RD
GND
OSC2
OSC1
VCC
VCI
LIQUID VREG
CRYSTAL
C6+
DISPLAY
C6-
UNIT
C5+
C5-
C4+
C4-
C3+
C3-
C2+
C2-
C1+
C1-
VLOUT
VLPS
VLREF
V1OUT
V2OUT
V3OUT
V4OUT
V5OUT
SP5002
EL
SP5001
BACK LIGHT UNIT
SET_KEY
AD_RMCKEY
(Page 9)
AD_RMCKEY
BEEP
HP_MUTE
HP_LINE_SEL
HOLD_KEY
HOLD_KEY
AD_KEY1
AD_KEY1
AD_KEY2
AD_KEY2
(Page 6)
C4201
1
AOUTR
C4101
1
AOUTL
2.4V
GND
L4301
100µH
3.3V_A
1.2V
(Page 9)
VSTBY
3.3V
NW-HD1
(3/7)
R5018
470k
S5009
HOLD
OFF ON
UD7
C5017 D5001
0.01 MA2S728-TX
UD6
UD5
UD4
R5012
1M
UD3
R5019
680
UD2
UD1
R5008 R5010 R5014 R5016
6.8k 3.3k 1.5k 1k
UD0
C5014
1000p
XUCS1
UA0
XUWR
XURD
C5018 D5002
0.01 MA2S728-TX
R5001
200k C5016 R5013
0.1 1M
R5009 R5011 R5015 R5017 R5020
6.8k 3.3k 1.5k 1k 680
C5001
1
C5002
1
C5003
1
C5004
1
C5005
1
C5006
1
C5013
1
C5007 0.1
BACK LIGHT DRIVER
C5008 0.47
C5009 0.47
IC5001
C5010 0.47 SM8142BD-G-EL
C5011 0.47
R5002
120k VSS LDR
C5012 0.47
OSC CHV
ENA OUT1
VDD OUT2
R4309 0
R4308 10k D4301 MA2S728-TX
R4307 150k
C4301 10 6.3V
C4302 1 6.3V
C4205
2.2
C4202 C4303 6.3V
2200p 1
R4202
12k
R4201
15k
C4204
R-IN ROUT
C4203
470p
GND GND
C4103
470p HEADPHONE AMP C4104
L-IN LOUT
4301
R4101 AN17020A-VB
C4105
15k
RIP-F1 GA-L
C4304
R4102
22
12k
4V
C4102
2200p
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
TP5003
HOLD_KEY
TP5002
AD_KEY2
AD_KEY1
R5022
4.7k
R5024
10
L5001 D5003
220µH 1SS370
R5003 18k
R5004 0
C5015
0.1
R5005 0
250V
R5023
470k
D4445
MA2S728-TX
F4301
R4002 250mA
1M 125V
FB4301
FB4302 100
220 2.5V
FB4303
FB4304
FB4305
R4105
220 2.5V
0
2.2 6.3V
R4205
R4203 R4103 0 D4101 D4201
22 22 MA2S111-TX MA2S111-TX
D4302
MAZW068H0LS0
C4206 C4106
0.01 0.01
R4316
+2.4V REGULATOR
22
IC4302
R1180Q241B-TR-FA
C4320
C4319
10
0.1
6.3V
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
5 5
BACKLIGHT_PWR
RMC_DTCK
XRESET_LCD
U_D
USB_CNT
(Page 3)
U_A
CN5002
6P
REPEAT
PLAY/STOP
DOWN
UP
SKIP
GND
CN5003
5P
GND
SETUP
DISPLAY
VOL-
VOL+
J4301
/LINE OUT
TP4308 RM_VDD
RM_TSB
RM_KEY
RM_GND
TP4312
FB4101 TP4313
FB4201 TP4314
D4303 D4304
MAZW068H0LS0 MAZW068H0LS0
C4305
47p
2.4V_AD
2.4V_DAC
(Page 6)
GND_A
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
NW-HD1
SET UP
MODE
VOLUME+/-