Dc/Dc Converter - Sony DCR-PC100 Service Manual

For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
• Refer to page 4-89 for waveforms.
2 3 4
1
VC-227 BOARD(15/15)
A
DC/DC CONVERTER(DD BLOCK)
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
C
R3205
0
LND320 1608
A
D
R3206
0
LND321
1608
A
1
3
E
R3207
1500
F
R3220
47k
C3220
R3221
22k
C3211
C3215
4700p
0.01u
B
B C3218
0.01u
B
G
R3250
1.7
22k
16 15 14 13 12 11 10 9 8 7 6 5
R3251
47k
R3204
1k
1.1
-IN6(C)
1.1
+IN6
H
1.1
C3203
-IN6
0.1u
1.1
B
FB6
1.2
-IN5(C)
IC3200
1.2
+IN5
1.2
-IN5
1.2

DC/DC CONVERTER

FB5
IC3200
2.5
MB4488PFV-G-BND-ER
DTC 56
GND
I C3201 0.1u
2.5
VREF
B 1608 7.6
VCC
2.9
CTL1-6,8
C3202
2.9
0.047u
CTL7
B
0
CS1-7
0
CSCP
R3275
C3204
0.047u 0
B
J
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
C3209
100p
CH
C3207
0.1u
B
K 99/6/11
t-miya
L
16
5 6 7
SIGNAL PATH
Drum servo (speed and phase)
Capstan servo (speed and phase)
D3206
T3200 D3221
RB551V-30TE-17
1SS388(TPL3)
Vin+3.4V 1 2 VCC(C)
R3263
R3214
C3222
1k
4.7u
B Q3207,3252
3 PROTECT
2
8.0
1
0
C3223
4.7u
R3217
B
1k
VSS
2 1
Vin-1.3V
D3207
RB551V-30TE-17
D3205
1SS357-TPH3
VDD=4.6V
Q3206
2.5
CPH3209-TL
C3221 C3273 1 0
SWITCHING
1u 1u
2
B B
0.3
8CH
3
100p
CH
4 3 2 1
33
R3248 100
9.1
OUT7-1
C3226
GND(O) 5678
3300p B
3.6
OUT6-2
R3249 100
10.1
36
out6-1
4.6
C3227
VDD(O) 567
3300p B
2.7
OUT5-2
R3255 100
9.3
35
out5-1
C3229
6.2
3300p B
VSS(O) 567
R3252
8.7 100
out4
34
10.8
C3228
VCC(O) 1234
3300p B
3.0
out3-2
9.4 R3256 220
out3-1
C3230
GND(O) 1234
3300p B
2.4
out2-2
R3253 100
8.8
out2-1
4.6
VDD(O) 123
C3225
3300p
B
R3241 220
C3224
3300p B
C3219
220p B
R3234
R3237
33k R3242
47k
12k
R3238 56k R3243 3900
R3239 22k R3244 2700
+12.6V
R3245
R3240
150k 12k
R3235
CL3201
22k
4-41
8 9 10 11
REC REC/PB PB
CAP_VSC
66
CAP_VS
DRUM_VSC TO(12/15)
DRUM_VS
0
Q3210 CPH5701-TL
CH-6 CAP VS
1.1
CHOKE
1.1
C3234 1 L3204
C3238
4.7u 22uH
2 3.6
4.7u
10V
10V
B B
Q3220
3
3216
SI2304DS-T1
Q3210,3220
SWITCHING
9.9
Q3211 CPH5701-TL
CH-5 DRUM VS
2.4
L3205
2.4
33uH C3239
1
CHOKE
4.7u
2 2.7
10V B
Q3221
3 Q3211,3221
SI2304DS-T1
SWITCHING
9.1
Q3212,3222
SWITCHING
Q3212 CPH5701-TL
CH-7
3.1
CHOKE
3.1
L3207
C3235 1
2.5
4.7u 22uH
2 C3240
10V 4.7u
Q3222
B 10V
3
3216 SI2304DS-T1 B
8.6
Q3213 CPH5701-TL
CH-3 1.9V
1.9
CHOKE
C3232
C3241
1.9
4.7u L3208 Q3205,3202
1 4.7u
10V 3.0 Q3213,3223 -7.5V REG.
22uH
2 10V
B SWITCHING
B
3216
Q3223
3 2SC5376F-B(TPL3)
SI2304DS-T1
-9.0
R3202
9.1
47k
Q3202
Q3214 CPH5701-TL
CH-2 2.8V XP4401-TXE
C3254
2.9
3.3u
L3209
20V
C3233 2.9 22uH
1 C3242
CHOKE
4.7u A
4.7u 5
2 2.5
10V
10V
B
Q3224 B
3216
3
SI2304DS-T1
Q3214,3224
R3211
SWITCHING
8.6
7.0 0
D3217
T3201
MA785-(TX),SO
+15V
4 5
D3215
MA2Z720001S0
+12V
R3265
3 6
8.6
0 47k
R-1.8/
Q3208 2.5
P-2.0
CPH6102-TL
1
CH-4
2 7 C3244
C3236 4.7u
D3213
4.7u B
MA2Z720001S0 3
10V 10V R3266
B -7.5V 3216
22k
1 8
C3248 Q3229
C3245 C3274
4.7u UN9213J-(K8).SO
4.7u
2.2u B
B
EMERGENCY
B
10V 10V
DETECT
16V 3216
R3262
Q3209 CPH5701-TL
22k
4.6
CHOKE
C3231 C3243
L3206
4.7u
4.7u
1 22uH
10V
2 10V
B 1.4
B
3216
3216
3
Q3209,3218
CH-1
SWITCHING
Q3218
7.7
Note :
SI2304DS-T1
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
12 13 14 15
CN2904 50P
95 AV_JACK_IN
TO(13/15) 49 AV_JACK_IN
47 V_IO
45 AV_GND
94
TO(12/15) HP_JACK_IN
43 HP_JACK_IN
63 HP_L
TO(14/15) 41 HP_L
93
TO(13/15) BATT_FET_ON 39 BATT_FET_ON
63 HP_R
TO(14/15) 37 HP_R
INIT_CHARGE_ON
93 TO(13/15) 35 INIT_CHARGE_ON
LANC_JACK_IN
33 LANC_JACK_IN
31 LANC_GND
89
TO(13/15) 29 SHOE_UNREG
LANC_DC
27 LANC_DC
LANC_SIG
25 LANC_SIG
23 UNREG
21 MT_4.8V
19 MT_GND
17 GND
15 GND
13 GND
11 A_UNREG
9 D_UNREG
7 D_UNREG
5 B_UNREG
3 C_UNREG
1 C_UNREG
C3270
22u
TO FJ-25 BOARD CN900
16V
B
(SEE PAGE 4-62)
L3219
10uH
L3221 1uH
L3210
2.2uH
L3211
4.7uH
L3218 4.7uH
L3213 10uH
L3212
4.7uH C3267
C3247 C3261 C3262 C3251 C3252
47u
22u 10u 10u 10u 10u
4V
4V 6.3V 6.3V 6.3V 6.3V
P
P P P P
R3261
Q3244
XX
2SB1462J-QR(K8).SO
1005 Q3228,3230
16.7 15V REG.
15.4
Q3205
Q3228
R3247
2SA1745-6.7-TL
2SB1462J-QR(K8).SO
100k
-7.6 R3260
± 0.5%
R3219 0 15.4 15.1 12.6
R3212
47k
100k
± 0.5% C3214 R3273
16.0 15.4 R3276 R3227
6.8u 100k
100k 14.7 47k
6 3 11.9
R3213 16V ± 0.5%
8200
A
± 0.5% 2 5 6 3 6
-7.6
3 6 4.6
4.6 4.6
2 5 2
4.6
1 4
R3254
R3208 C3206
2 4.1
39k
1 4 39k 2.2u 1
± 0.5%
C3264
4 ± 0.5% 25V
1
R3246 2.2u R3269
A R3228
R3271 4.1 R3210
R3215 25V 22k 10k
10k
4700 5600
220k
± 0.5% ± 0.5%
± 0.5% A
22k
XP4501-TXE
Q3233 Q3230
XP4501-TXE XP4501-TXE
Q3201,3203
EVF12V REG.
Q3244,3233 4.6
15.5V REG. IC3250
5 4
3.3V REG.
IC3250
RN5RZ34BA-TL
1 2 3
3.4
L3215
4.7uH
L3217 10uH
L3216 4.7uH
L3214
C3253 C3260 C3258 C3256
C3257 C3249
10uH
10u 10u 10u 10u
10u 10u
6.3V 6.3V 6.3V 6.3V
6.3V 6.3V
P P P P P P
Note :
Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
4-42
DCR-PC100/PC100E
16 17 18
V_IO
39
S_Y 50 S_Y TO(6/15)
GND 48
S_C
S_C 46
XS_JACK_IN 95
XS_JACK_IN 44 TO(13/15)
SHOE_ON 42 SHOE_ON 93
TO(13/15)
L_IO
L_IO 40
61
HP_GND 38 TO(14/15)
R_IO
R_IO 36
93
BATT/XEXT 34 BATT/XEXT TO(13/15)
A_3.1V 32
107
SHOE_UNREG 30 SHOE_UNREG TO(14/15)
BATT_UNREG 28 BATT_UNREG
93
TO(13/15)
BATT_SIG 26 BATT_SIG
UNREG
UNREG 24
MT_4.8V
MT_4.8V 22
MT_GND
MT_GND 20
GND 18
GND 16
GND 14
A_UNREG 12
A_UNREG 10
D_UNREG 8
B_UNREG 6
B_UNREG 4
C_UNREG 2
A_3.1V
D_3.1V
1.9V
R3216
0
LCD 2.8V
LCD_2.8V
EVF 2.8V
EVF_2.8V
ANALOG 2.8V
A_2.8V
110
AUDIO 2.85V
AU_2.8V
2.8V
2.8V
TO(1/15-15/15)
C3250
22u
4V
P
-7.5 ± 0.5V
-7.5V
15 ± 0.45V
15V
LCD_15.5V
LCD_15.5V
Q3201
11.9 ~ 12.6V
12.2 LCD_12V
LCD_EVF_12V
EVF_12V
R3257
LCD_EVF_12V
100k
± 0.5%
3
4.7 C3205
5
4.7u
20V
R3258
4 56k
± 0.5%
4.1
R3259
6800
± 0.5%
Q3203
3.3V
3.3V
EVF_RP_4.6V
RP_4.6V
EVF_RP_4.6V
RP_4.6V
LCD_4.6V
LCD_4.6V
4.6V
4.6V
AU_4.6V
AU_4.6V
REG GND
GND
VTR_DD_ON
92 TO(13/15)
VTR_DD_ON
DC/DC CONVERTER
VC-227 (15/15)