Sony NW-HD1 Service Manual ▷ View online
NW-HD1
29
29
NW-HD1
5-13. PRINTED WIRING BOARD – HDD Section –
:Uses unleaded solder.
HDD BOARD
(COMPONENT SIDE)
1-862-778-
(11)
11
CN101
HARD DISK
DRIVE UNIT
1
1
2
51
50
2
43
44
CN100
HDD BOARD
(CONDUCTOR SIDE)
1-862-778-
(11)
11
MAIN BOARD
CN2001
A
A
B
C
1
2
3
4
5
(Page 20)
5-14. SCHEMATIC DIAGRAM – HDD Section –
CN101
CN100
44P
51P
NV
RESERVED
XDASP
XHCS1
XHCD0
H_A2
H_A0
XPDIAG
H_A1
XIOCS16
HINTREQ
GND
XHDMACK
CSEL
HIORDY
GND
XHIOR
GND
XHIOW
GND
HDMARQ
KEY
GND
H_D15
H_D0
H_D14
H_D1
H_D2
H_D12
H_D3
H_D11
H_D4
H_D10
H_D5
H_D9
H_D6
H_D8
H_D7
GND
XHRESET
NC
NC
NC
NC
NC
NC
H_D13
GND(LOGIC)
VDC(MOTOR)
GND(MOTOR)
VDC(LOGIC)
RESERVED
XDASP
XHCS1
XHCD0
H_A2
H_A0
XPDIAG
H_A1
XIOCS16
HINTREQ
GND
XHDMACK
CSEL
HIORDY
GND
XHIOR
GND
XHIOW
GND
HDMARQ
KEY
GND
H_D15
H_D0
H_D14
H_D1
H_D2
H_D12
H_D3
H_D11
H_D4
H_D10
H_D5
H_D9
H_D6
H_D8
H_D7
GND
XHRESET
H_D13
GND(LOGIC)
VDC(MOTOR)
GND(MOTOR)
VDC(LOGIC)
HARD DISK
DRIVE
UNIT
(Page 26)
NW-HD1
30
30
NW-HD1
•
IC Block Diagrams
– MAIN Board –
IC3001
CXR710160-211GH
IC4301
AN17020A-VB
ARM77TDMI
CPU CORE
VIRTUAL ENGINE
CORE
HUFFMAN HW
MAGIC GATE
CORE
CLOCK GENERATOR/
SYSTEM CONTROLLER
DMAC (CH0)
DMAC (CH1)
DMAC (CH2)
WATCHDOG
TIMER
PRESCALLER/
TIME BASE TIMER
RAM
160K BYTES
RAM
512K BYTES
EEPROM SERIAL
INTERFACE
CD-ROM
INTERFACE
DAC
INTERFACE
DMAC (CH3)
SERIAL INTERF
ACE
(CH0)
UAR
T (CH0)
UAR
T (CH1)
RAM
2
8
2
TRST
TDO
TMS
VDIO3
TDI
TCK
TEST0
DVSS1
DVDD3
TEST2
TEST1
TEST4
TEST3
TEST5
TEST6
VDIO2
LRCKI
BCKI
VDIOCD0
PCMDI
DVDD4
TEST8
TEST7
DVDD0
DVSS0
VDIO0
VDIOCD1
PF4/XRDE
PI3/BCKO
PI2/LRCKO
PI0/PCMDO
EVA
DVDD2
DVSS2
PC3/SCS0
PC2/SI0
PC1/SO0
VDIOCD2
PC0/SCK0
PF3/T3
PF2/EC2/INT4
PF1/T1
PF0/EC0/INT3
RST
KCS
VDIO1
KDO
KDI
KRB
DVDD1
DVSS3
A
VDPLL
A
VSPLL
A
VSOSC
A
VDMO
EXT
AL
XT
AL
XIN
OSSEL
KCLK
INTERRUPT CONTROLLER
8-BIT TIMER (CH7)
8-BIT TIMER (CH6)
8-BIT TIMER (CH5)
8-BIT TIMER (CH4)
8-BIT TIMER (CH3)
8-BIT TIMER/COUNTER (CH2)
8-BIT TIMER (CH1)
8-BIT TIMER/COUNTER (CH0)
17
18 19 20 21 22 23 24 25 26
27 28 29 30
31 32
42
41
40
39
38
37
36
35
34
33
44
43
43
PE3/RxD1
48
PE2/TxD1
47
PE1/RxD0
46
PE0/TxD0
45
1
2
3
4
5
5
6
7
7
8
9
10
11
12
13
12
13
14
15
15
16
64 63 62 61 60 59 58 57 56 55
53
54
52 51 50 49
2
1
4
3
GND
CH1 IN
VCC 1HV
CH2 IN
15
16
13
14
+
−
MUTING
CTRL
CH1 SENS
BEEP
6
5
8
7
VCC1
RF
VCC2
VCC 2HV
BEEP
LINE AMP
HEADPHONE AMP
MUTING
+
−
LINE AMP
HEADPHONE AMP
12
11
9
10
CH1 OUT
PGND
CH2 SENS
CH2 OUT
REF1
VREF
REF2
HP/LINE
SWITCH
SWITCH
IC5001
SM8142BD-G-EL
1
VSS
8
LDR
2
OSC
7
CHV
3
ENA
6
OUT1
4
VDD
5
OUT2
HIGH VOLTAGE
SWITCHING CIRCUIT
DIVIDING
CIRCUIT
DIVIDING
CIRCUIT
OSCILLATOR
FOR
BOOSTING VOLTAGE AND EL DRIVING
IC8000
HAAM-301BS
10
Z OUT (A)
9
Y OUT (A)
8
X OUT (A)
7
C SET
6
VCC
1
GND
2
F SET
3
Z OUT (D)
4
Y OUT (D)
5
X OUT (D)
DUTY CYCLE
MODULATOR
DEMULTI-PLEXER
MULTI-PLEXER
S/H
AMPLIFIER
EEPROM
Y SENSOR
S/H
X SENSOR
S/H
Z SENSOR
31
NW-HD1
IC9001
LTC3441EDE#TR
FB
SHUTDOWN
1
SHDN/SS
12
VC
2
GND
11
VIN
3
PGND
10
SWD
–0.8A
4A
2.4V
VCC
INTERNAL
1.22V
3.2A
SWC
SWB
SWA
REVERSE CURRENT
LIMIT
PVIN
4
SW1
9
8 VOUT
SLEEP
5
SW2
MODE/SYNC
6
PGND
7
BURST MODE
OPERATION
CONTROL
5
µ
s DELAY
1/2
EEEOR
AMP
PWM
COMPARATORS
SUPPLY
CURRENT
LIMIT
AVERAGE
CURRENT
LIMIT
UVLO
1MHz
OSC
SYNC
GATE DRIVERS
AND
ANTICTOSS
CONDUCTION
PWM
LOGIC
AND
OUTPUT
PHASING
THERMAL
SHUTDOWN
IC9003
TPS62200DBVR
VI 1
SW
5
GND 2
EN 3
FB
4
CONTROL
LIGIC
DRIVER
SHOOT-THROUGH
LOGIC
REF
REF
SKIP COMPARATOR
LOAD COMPARATOR
COMPARATOR
CURRENT LIMIT
COMPARATOR
UNDERVOLTAGE
LOCKOUT
BIAS SUPPLY
SOFT START
1 MHz
OSCILLATOR
SAWTOOTH
GENERATOR
COMPENSATION
VREF=0.5V
V (COMP)
V
I
GM
32
NW-HD1
IC9002
SC901584EPR2
POWER
SWITCH 2
SERIAL
PASS
REGULATOR 3
49
REGC2
50
REG2G
51
REGO2
52
REGI2
53
REGC1
54
REGO1
55
REGI1
22 INM1
21 RF1
58
DATA
59
STRB
60
CLK
61
WDT
62
SEQSEL
63
CLK
64
SLEEP
1
FFCLR
2
XWK4
3
XWK3
4
XWK2
5
XWK1
LVB
6
VRMC
FFCLR
7
HVB
8
VTSB
9
VC1
10
VCO1
11
VO1
13
L1
14
L1
15
PGND1
16
PGND1
12
34
XRST2
33
CRST2
20 DTC1
19 XRST1ADJ
18 CRST1
17 XRST1
25 LG
24 VG
26 PGND3
23 C1L
29 VGSEL1
28 VGSEL2
30 INM2
31 RF2
32 DTC2
RST2
REF2
VG SELECT, VG DUTY
CLK
36
PGND2
35
PGND2
L2
37
L2
38
VO2
39
VCO2
40
VCIN
41
VC2
42
DW 2T
43
DW 2B
44
MUTEON
45
REGC3
46
REGO3
47
REGI3
48
SERIAL
PASS
REGULATOR 2
SERIAL
PASS
REGULATOR 1
RST1
RST2
SEQSEL
MUTE ON
MUTING
BUFFER
VC2
RST2
POWER
SWITCH 1
RST2
STEP
UP-DOWN
DRIVER
PWM
START UP
RESET 2
VC2
REF2
VREF
VB
REF1
VC
VREF
27 VB
STEP UP
DC/DC CONVERTER
CONTROL
REF1
REF2
REF3
REF4
REF5
REF DAC
VREF0
RST1
LVB
DRIVER
VREF
VC
VC
STEP
UP-DOWN
DRIVER
PWM
VREF
RESET 1
VC
RST1
VREF
REF1
56
GND
57
VREF
VC
VREF0
BANDGAP
REFERENCE
IC9503
R2061K01-E2
SIO 1
SCLK 2
7 OSCIN
VSB
4
VCC
5
VDD
6
CE
12
CIN
10
VSS
11
LEVEL
SHIFTER
DELAY
REAL
TIME
CLOCK
/VDCC 3
VOLTAGE
DETECTOR
BATTERY
VOLTAGE
VOLTAGE
MONITOR
8 OSCOUT
9 /INTR
VOLTAGE
REFERENCE
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