Block Diagram -Main Section (2/2) - Sony Walkman NW-HD1 Service Manual

5-2. BLOCK DIAGRAM – MAIN Section (2/2) –
IC1003 – IC7001
B
(Page 16)
D0 – 15
(Page 16)
C DATA BUS
A1 – 23
(Page 16) D
ADDRESS BUS
FLASH MEMORY
IC1101
D0 – 15
A1 – 20
IC1001_XCS0
XCE 26
IC1001_XRE
XOE 28
IC1001_XUWR
XWE 11
R/XB 15
XRST 12
IC3001 – IC7001
(Page 16) E
NW-HD1
186 191 192 193 182 185 183 184 181 88 89 83
D0 – 15
A1 – 23
MAIN SYSTEM CONTROLLER,
D/A CONVERTER
IC1003 (1/2)
137 XTAL
X1002
22.5792MHz
138 EXTAL
86 PG0/DAKC0
LEVEL SHIFT
106 RST
Q1001
77 175 151 153
REAL TIME CLOCK
8 OSC OUT
7 OSC IN
X9501
32kHz
HEADPHONE AMP
IC4301
AOUTL 134 3 L-IN
AOUTR 133 1 R-IN
BEEP
PF4/BEEP 85 14 BEEP
HP_MUTE
PR7 163 15 MUTE
HP_LINE_SEL
PR6 162 16 HP/L
SREQ
PP1/RB 34 36 PF2
WAKEUP
PP0/RP 33 34 PF0
XRESET
PQ6 152 33 NRST
DATA_READY
PG1/DREQ0/INT5 87 35 PF1
XINT
PF0/EC0/INT3 81 37 PF3
SS
PC3/SCS0 60 42 PC3
SI
PC2/SI0 59 40 PC1
SO
PC1/SO0 58 41 PC2
SCLK
PC0/SCK0 57 38 PC0
GDAC_PCM0
PI1/ADDT 172 15 P10/PCMD0
GDAC_LRCK
PI2/LRCK 173 14 P12/LRCK0
GDAC_BCK
PI3/BCK 174 13 P13/BCK0
PE6/SI1 75
PE5/SO1 74
PE4/SCK1 73
PE7/SCS1 76
12 4 2 1
IC9503
SIO 1
SCLK 2
CE 12
BUFFER
IC9502
17 17
• SIGNAL PATH
: AUDIO
LOUT 10
ROUT 12
F4301
+2.4V_AD
SUB SYSTEM
CONTROLLER
IC3001
30 29
MULTI_SIO
G
(Page 18)
NW-HD1
J4301
i /LINE OUT
RM_GND
RM_KEY
RM_TSB
RM_VDD