Sony PFM-42B2 Service Manual page 112

1
TO P5 PCG_CLK
TO P5 PCG_DTA
C298
0.1
IC218
C297
25V
ST49C101ACF8-05
0.1
R223 B:CHIP
2
25V CLOCK GEN
47
5
B:CHIP
:CHIP
1.8
XTAL1
6
3.1
OE
4
IC202(2/4)
AGND
SN74LVC125APWR-12
DGND
BUFF
TO P5 PW_RES
UART_TX
TO P5
TO P5 UART_RX
IC218-pin 5
3.4 Vp-p (148.7 MHz)
3
TO P3 PW_SDA
PW_SCL
TO P3
4
5
A B
5V-2
D5V
FB203
BK2125HM601T
IC204
ICS9161A
CLOCK GEN
5.0
CLK PD
5.0
DATA EXTSEL C259
D3.3V 10
10V
INT1
3.3V-2 C258
:TA-CP
0.1
OE +5
25V
FB205 B:CHIP
GND INT0
BK2125HM601T
1.8
X1 EXTCLK
1.1
X2 ERR
X200
2.7 2.3 2.0
14.31818MHz
MCLK VCLK
9
R222
47
:CHIP
XTAL2
IC202(3/4)
SN74LVC125APWR-12
AVCC
R225
47 BUFF
DVCC
:CHIP
3.3
CLOCK
D3.3V
R233
3.3V-2 3.3k
:CHIP
R232 R234
10k 3.3k
R231
:CHIP :CHIP
10k
:CHIP
2.7
Q200
MSB709-RT1 3.3
C280
8 7 6 5
0.1
25V
B:CHIP IC205
M24C04-MN6T
MEMORY
1 2 3 4
D3.3V
3.3V-2
C229
FB202 0.1
BK2125HM601T 25V
B:CHIP
14
IC202(1/4)
2 3
SN74LVC125APWR-12
1 IC202(4/4)
SN74LVC125APWR-12
13
12 11
7
C
B (4/13) B (4/13)
IC202-pin 8
C260
0.1
25V
B:CHIP
3.8 Vp-p (78 MHz)
IC207(2/5)
PW164-20W
0
8
R224 SCAN CONVERTER
47
10
:CHIP JL11
F2 U2
114 202
(CPUEN) MEM_A0
E1 V1
105 209 A1
RESET MEM_A1
Y2 V2
226 A2
210
(CLKIN) MEM_A2
AE15 W1
315 217 A3
MCKEXT MEM_A3
AF15 V3
A4
341 211
DOKEXT MEM_A4
F3 V4
115 212 A5
(UCRSC) MEM_A5
F4 W3
A6
116 219
(WDTEN) MEM_A6
D1 W4
79 220 A7
RXD MEM_A7
D2 AA1
A8
80 233
TXD MEM_A8
E3 AB2
107 242 A9
IRRCVR0 MEM_A9
R251
E2 AA3
A10
0 106 235
IRRCVR1 MEM_A10
:CHIP
C1 AC1
53 249 A11
PORT_A0 MEM_A11
C2 AB3
A12
54 243
PORT_A1 MEM_A12
B1 AD1
A13
27 275
JL6 PORT_A2 MEM_A13
B2 AE1
A14
28 301
JL5
PORT_A3 MEM_A14
D5 AD2
A15
83 276
JL4 PORT_A4 MEM_A15
B3 AB4
A16
29 244
JL3
PORT_A5 MEM_A16
A2 AC3
A17
2 251
JL2 PORT_A6 MEM_A17
A3 AF1
A18
3 327
JL1
PORT_A7 MEM_A18
A9 AE2
9 302 JL10
NC MEM_A19
B10 H3
D0
36 131
NC MEM_D0
A10 H2
D1
10 130
NC MEM_D1
D11 J4
D2
89 140
NC MEM_D2
C11 J3
D3
63 139
NC MEM_D3
B11 K1
D4
37 145
NC MEM_D4
A11 K2
D5
11 146
NC MEM_D5
D12 L1
D6
90 153
NC MEM_D6
A6 L2
D7
6 154
NC MEM_D7
D8 L3
D8
86 155
NC MEM_D8
C8 L4
D9
60 156
NC MEM_D9
B7 M3
33 163 D10
NC MEM_D10
D3.3V A7 M4
D11
7 164
NC MEM_D11
3.3V-2
B8 N1
34 169 D12
NC MEM_D12
D9 N2
D13
87 170
NC MEM_D13
C9 N3
61 171 D14
R249
NC MEM_D14
0
A8 N4
D15
:CHIP 8 172
DTMB MEM_D15
B9 T3
195
35
R246
DTCLK RD
0
D3 196 T4
:CHIP 81
(SCANEN) WR
E4 U1
201
108
(SCANMOD) BHEN
AE4 186 R2
304
(PTSTIN0) REMOE
AC5 R1
185
253
PTSTEN ROMWE
AF2 178 P2
R248 328
(PTSTOUT) RAMOE
0
P1
177
:CHIP
RAMWE
187 R3
CS_0 JL9
R4
188
CS_1 JL8
193 T1
(CS_2)
T2
194
(CS_3)
G2
122
EXTINT JL7
G1
121
(EXTINT1)
H1
129
(EXTINT2)
F1
113
MNI
R250
0
:CHIP
7-10 7-10
D E
A1
A17
17
A18
18
A19
19
B19
45
B20
46
B24
50
D4
82
3.3V-2
+3.3V
D7
85
IC206
D10
88
MBM29LV400TC
D13
MEMORY
91
D17
A16 A17
95
A15 A16
D20
A15 98
A14 BYTE
D23
A14
101
A13 VSS
G4
A13 D15 124
A12 DQ15
G23
A12 D7
125
A11 DQ7
H24
A11 D14 134
A10 DQ14
J2
A10 D6
138
A9 DQ6
K4
A9 D13 148
A8 DQ13
K23
D5
149
NC DQ5
M2
D12 162
NC DQ12 C264
0.1 M23
D4
165
WE DQ4 25V
N23
C262 B:CHIP
173
0.1 RESET VCC
25V N25
D11
175
B:CHIP NC DQ11
P4
D3
180
NC DQ3
JL12
U4
D10
204
RY/BY DQ10
U23
D2
205
NC DQ2
W26
A18 D9
224
A17 DQ9
Y1
A8 D1
225
A7 DQ1
Y4
A7 D8
228
A6 DQ8
Y23
A6 D0
229
A5 DQ0
AA4
A5
236
A4 OE
AB1
A4
241
A3 VSS
AB25
A3
247
A2 CE
AC4
A2 A1
252
A1 AQ
AC7
R226 255
2.2k
AC10
:CHIP 258
AC11
259
AC13
261
AC14
262
AC17
265
AC18
266
AC20
268
AC23
271
AD22
296
AE14
314
AE20
320
AE25
325
AE26
326
AF3
329
AF5
331
AF9
335
AF16
342
AF20
346
AF21
347
AF22
348
F
D2.5V D3.3V
2.5V 3.3V-2
A20
1 20 C257
GND (VDD2.5)
0.1 25V B:CHIP
A25
25
(GND) (VDD2.5)
C4
56 C256
GND VDD2.5
0.1 25V B:CHIP
C7
59
SCANMODE
(VDD2.5)
(GND)
C10
62 C255
NC VDD2.5
0.1 25V B:CHIP
C17
69
(GND) VDD2.5
C18
70
C254
(GND) (VDD2.5)
0.1 25V B:CHIP
C19
71
GND (VDD2.5)
C20
72
C253
(GND) VDD2.5
0.1 25V B:CHIP
D18
96
GND VDD2.5
D19
97
C252
(GND) (VDD2.5)
0.1 25V B:CHIP
G3
123
GND (VDD2.5)
G24
126
C251
GND VDD2.5
0.1 25V B:CHIP
K3
147
GND VDD2.5
K24
150
C250
(GND) (VDD2.5)
0.1 25V B:CHIP
N26
176
GND VDD2.5
U3
203
C249
(GND) VDD2.5
0.1 25V B:CHIP
U24
206
(GND) (VDD2.5)
Y3
227
C248
GND VDD2.5
0.1 25V B:CHIP
Y24
230
(GND) VDD2.5
AA2
234
C247
(GND) (VDD2.5)
0.1 25V B:CHIP
AC19
267
(GND) (VDD2.5)
AD4
278
C246
(GND) VDD2.5
0.1 25V B:CHIP
AD7
281
GND (VDD2.5)
AD10
284 C245
GND VDD2.5
0.1 25V B:CHIP
AD17
291
GND (VDD2.5)
AD19
293 C244
(GND) (VDD2.5)
0.1 25V B:CHIP
AD20
294
(GND) VDD2.5
AD25
299 C243
(GND) (VDD2.5)
0.1 25V B:CHIP
AE21
321
GND (VDD2.5)
AF14
340 C242
GND VDD2.5
0.1 25V B:CHIP
AF18
344
(GND) (VDD2.5)
AF19
345 C241
(GND) (VDD2.5)
0.1 25V B:CHIP
AF26
352
GND (VDD2.5)
C3
55 C240
GND VDD3.3
0.1 25V B:CHIP
C13
65
GND (VDD3.3)
C24
76 C239
GND VDD3.3
0.1 25V B:CHIP
G25
127
GND (VDD3.3)
H4
132 C238
(GND) (VDD3.3)
0.1 25V B:CHIP
J1
137
GND (VDD3.3)
M1
161 C237
(GND) (VDD3.3)
0.1 25V B:CHIP
N24
174
(GND) (VDD3.3)
P3
179 C236
GND VDD3.3
0.1 25V B:CHIP
W2
218
GND (VDD3.3)
Y26
232 C235
GND (VDD3.3)
0.1 25V B:CHIP
AB24
246
GND VDD3.3
AC2
250 C234
(GND) (VDD3.3)
0.1 25V B:CHIP
AC21
269
(GND) VDD3.3
AD3
277 C233
(GND) VDD3.3
0.1 25V B:CHIP
AD6
280
GND VDD3.3
AD11
285 C232
GND VDD3.3
0.1 25V B:CHIP
AD14
288
(GND) VDD3.3
AD24
298 C231
(GND) VDD3.3
0.1 25V B:CHIP
AE8
308
(GND) (VDD3.3)
AE13
313 C230
(GND) (VDD3.3)
0.1 25V B:CHIP
AE16
316
(GND) (VDD3.3)
IC207(5/5)
PW164-20W
SCAN CONVERTER
B
(4/13)
(MEMORY CONTROL/VCC&GND PORT)
B-SS9743-WW-B-P4
PFM-42B2/42B2E
G H