Printed Wiring Board - Power Section (1/2) - Sony PCM-D50 Service Manual

4-20. PRINTED WIRING BOARD – POWER Section (1/2) –
14 13
• Semiconductor
Location
Ref. No. Location
D2201 D-4
D2202 D-2
D2203 F-5
D2204 D-6
IC2101 H-5
IC2102 I-5
IC2105 E-8
IC2301 I-8
Q2114 F-7
Q2201 C-5
Q2202 C-5
Q2203 E-5
Q2204 H-7
Q2205 I-7
J2301
SIRCS
PCM-D50
• See page 19 for Circuit Boards Location.
12 11 10
POWER BOARD (SIDE A)
JL2113
S2212
S2212
A-B
JL2112
JL2111
JL2110
JL2001
R2225
R2229
C2206
S2210
/MENU
R2221
R2211
JL2010
R2214
S2203
LIGHT
FB2305
JL2325
1
2
5
4
3
FB2302
FB2301 R2348
R2306
(CHASSIS)
JL2009
R2062
R2303
R2310
• : Uses unleaded solder.
9 8 7
(Page 23)
AD BOARD
BLK (Page 32)
RED C
H
SYSTEM BOARD
GRY
WHY
JL2019 JL2016 JL2014
JL2018 JL2015 JL2013
R2217
S2205
JL2103
FF/
JL2102
R2219
IC2105
R2145
C2125
4 3
JL2004
C2123
Q2114
5 1
R2143 R2144
S2209 S2202
FR/
STOP
R2220
JL2105 JL2104
JL2101
R2304
C2303
6 4 R2236
R2235
JL2311
Q2204
C2302
R2301
R2308 JL2309
1 3 R2237
R2238
JL2310 3 1
15
Q2205 R2242
1
JL2312
4 6
R2112
IC2301 R2239 C2211
R2113
R2114
JL2302 JL2303 JL2305 JL2304
16 30
R2111
OCD
JL2307 JL2308 JL2301 JL2306
JL2319
C2304
R2307
R2309
39 39
When IC2301 on the Power board are damaged, exchange the
new Power board for the Power board which IC damaged.
6 5 4
(Page 30)
WHY
BACKLIGHT
G
RED
BOARD
JL2202 JL2201
Q2201
JL2012
R2201
JL2011
R2212
C2208
C2201 R2202
R2243
3 1
JL2005
C2204
Q2202
4 6
S2201
S2206 R2203
S2206, D2204 S2201, D2201
PAUSE REC
D2201
D2204
JL2002
R2209
6 4
R2216
Q2203
1 3
R2213 R2226
R2210
S2207
C2207
S2207, D2203
PLAY/ENTER
D2203
R2208 R2234
R2244
C2209
R2218
R2126
IC2101
C2133 C2115
R2123
R2153
R2122
C2103
R2147
C2104
R2119 JL2008
IC2102
R2120
1-875-144-
PCM-D50
3 2 1
A
B
S2204
S2204
DISPLAY
R2215
C
R2204
D2202
D2202
D
ACCESS
S2002
POWER
ON
OFF
E
S2208
DIVIDE
F
S2208
G
H
I
(CHASSIS)
R2026
J
11
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