Sony HDW-750 Maintenance Manual page 299

3.3V
RB201 RB202 RB203
220k 220k 220k
CN202 (10/45) 10 MDC_CAP_FG(A)
CN202 (11/45) 11 MDC_CAP_FG(B)
CN202 (12/45)
12 MDC_CAP_FG(A+B)
CN202 (13/45)
13 MDC_CAP_FG(A-B)
CN202 (14/45) 14
MDC_CAP_FG(A)_AC
CN202 (25/45) 25 MDC_S_REEL_FG
CN202 (39/45) 39 MDC_DIAG_SW0
CN202 (15/45) 15 MDC_CAP_FG(B)_AC
MDC
CN201 (3/45) 3 MDC_T_REEL_FG
CN202 (40/45)
40 MDC_DIAG_SW1
CN201 (39/45)
39 MDC_DRUM_FG
CN201 (38/45) 38 MDC_DRUM_PG
CN202 (41/45) 41 MDC_DIAG_SW2
TP202
CTL
CN202 (42/45)
42 MDC_DIAG_SW3
CN202 (28/45)
28 MDC_PB_CTL
CN201 (37/45) 37 MDC_RECA_PLS
EQ,(DVP) CN102 (7/140) 7 EQ_TRACK_REF_A
3.3V
SS_FRAME
002
002 DRUM_REF
CL220
002 SV_COUNTER_LAT
IC29 (1/2)
NJM062V(TE2)
6
CL221
-
7
5 +
R220
IC30 (1/2) 0
NJM062V(TE2)
2.5V
6
R216
CL222
-
2.2k 7
NM
5 +
CN202 (38/45)
38 MDC_TRCON_VR
-5V
C213
0.1uF
IC29
(2/2)
4
2
NJM062V(TE2) CL223
-
1
3
CN201 (22/45) +
22 EQ_RECE/PBA_ENV
8
5V
R217 C214
220k 0.1uF
-5V
MDC
C215
0.1uF
IC30 (2/2)
4
2
NJM062V(TE2) CL224
-
1
3
CN202 (20/45) +
20 MDC_CAP_VOL
8
5V
C216
R218
0.1uF
22k
IC31 (1/2)
NJM062V(TE2) 6
- CL225
7
5
+
CN201 (40/45) 40 MDC_DRUM_VOL
R219
22k
-5V
C217
0.1uF
IC31
(2/2)
4
NJM062V(TE2) 2
- CL226
1
3
+
003 QPL_AD
8
5V
C218
0.1uF
HDW-750 V2
I J
C224 C227
0.1uF 0.1uF
RB205
220k
C226
0.1uF
RB206
1k
7 8
5 6
3 4
1 2
RB207 1k 7 8
5 6
3 4
1 2
7 8
RB208 1k 5 6
3 4
1 2
R227
1k
7 8
5 6
3 4
1 2
RB209
1k
RB204
220k
1k
R228
2.5V
CL227
CL228
D203
D201 D205
DA221-TL DA221-TL DA221-TL
1 3 1 3 1 3
2 2 2
R221 100
R222 100
R223 100
R224 100
R225 100
R226 100
2 2 2
1 3 1 3 1 3
D204
D202 D206
DA221-TL DA221-TL
DA221-TL
C219 C220 C221 C222 C223 C225
100pF 100pF 100pF 100pF 100pF 100pF 100pF
K
SS-92 (3/3) SS-92 (3/3)
3.3V 2.5V
C230
C232 C234 C236 C237
0.1uF 0.1uF
0.1uF 0.1uF 0.1uF
C238
C229 C235
C231 C233
0.1uF
0.1uF 0.1uF
0.1uF 0.1uF
38 226-CFGA0
304 227-CFGB0
223 228-CFGA1
134 229-CFGB1
37 230-CFGA2
222 232-CFGB2
133 233-SRFGA
36 234-PE7
302 235-TRFGA
221 236-PE9
132 237-DFG
35 238-DPG
220 239-PE12
131 241-REF0
34 242-REF1
130 243-PE15
219 244-CTL
33 246-PE17/C8FG
32 247-LAT
129 248-RSRV0
218 249-RSRV1
I-DES
276 5-NC
IC1 (3/3)
255 93-NC
CXD9130GB
234 181-NC
213 269-NC
286 311-AVD1(2.5V)
14 310-AVD0(2.5V)
203 312-VRH1
113 309-VRH0
112 313-VR1
204 308-VR0
7 335-AN19
8 334-AN18
281 333-AN17
198 332-AN16
107 331-AN15
9 330-AN14
108 329-AN13
282 328-AN12
199 327-AN11
10 326-AN10
109 325-AN9
200 324-AN8
283 323-AN7
11 322-AN6
110 321-AN5
201 320-AN4
284 319-AN3
12 318-AN2
111 317-AN1
202 316-AN0
114 305-AFGB0
205 304-AFGA0
C228
4-85 4-85
L M
C239 C241 C243 C245 C249 C251
C247
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
0.1uF
C252
0.1uF
C240
C242 C244 C246 C248 C250
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
IC24
SN74LV245APWR
3.3V
C257
0.1uF
20
18 VCC 2
299
250-PPG0 B1
A1
17 3
31
251-PPG1 B2 A2
128 16 4
252-PPG2 B3 A3
30 15 5
253-PPG3 B4 A4
14 6
217
254-PPG4
B5 A5
13 7
127
256-PPG5
B6 A6
12 8
216
257-PPG6 B7
A7
11 9
29
258-PPG7 B8 A8
19
OE
1
DIR
GND
10
RB210
22
126 1 2
259-PPG8
297 3 4
260-PPG9
215 5 6
261-PPG10
7 8
28
262-PPG11
125
263-PPG12
27 1 2
264-PPG13
214 3 4
266-PPG14
124 5 6
267-PD18
295 7 8
270-PD19
RB211
22
1 2
22 3 4
281-CAPDIR
120 5 6
282-PD30
21 7 8
283-PD31
RB212
22
R231
22k C258
0.01uF
RB213
210
284-CAPPWM 22
119 1 2
286-PWM1
20 3 4
287-PWM2
209 5 6
288-PWM3
118 7 8
289-PWM4 R232
22k
208
291-PWM5
C259
0.01uF
19
292-PWM6
117
293-PWM7
TP203 TP204
DA1
R229 R230 R233 R234
2.2k 22k 2.2k 22k
C253 C254 C260 C261
0.01uF 0.001uF 0.01uF 0.001uF
18
294-PC8
290
295-PC9
207
296-PC10
IC25
116
297-PC11
TC74VHCT244AFT(EL)
3.3V
17
298-PC12
206
5V
300-PC13
115
301-PC14
16 RB214 RB215
302-PC15
220k 220k
20
288
303-PC16
2 VCC
6
339-PC17 1A1 1Y1
4
1A2 1Y2
6
1A3 1Y3
8
1A4 1Y4
11
2A1 2Y1
13
2A2 2Y2
15
2A3 2Y3
17
2A4 2Y4
1
1G
19
2G
GND
10
RB216
22
1 2
3 4
5 6
7 8 3.3V
R235
220k
N O
1
SS_RECA/PBE_SEL 30 CN201 (30/45)
SS_RECB/PBF_SEL 29 CN201 (29/45)
SS_RECC/PBG_SEL 28 CN201 (28/45)
CN201 (27/45)
SS_RECD/PBH_SEL 27
(MDC,MDR),EQ
CN201 (26/45)
SS_RECE/PBA_SEL 26
CN201 (25/45)
SS_RECF/PBB_SEL 25
SS_RECG/PBC_SEL 24 CN201 (24/45)
SS_RECH/PBD_SEL 23 CN201 (23/45)
2
CN102 (9/140)
SS_TRACK_START 9
CN102 (38/140)
SS_SEG0 38
DVP
SS_SEG2 36 CN102 (36/140)
SS_SEG1 37 CN102 (37/140)
SS_REC_CTL 30 CN202 (30/45) MDC
SS_FRP_ADM_A 40 CN102 (40/140)
DVP
CN102 (39/140)
SS_FRP_ADM_B 39
CN201 (13/45)
SS_L_DRUM_REC 13
SS_H_DRUM_BRAKE 4 CN202 (4/45)
CN202 (5/45)
SS_H_CAP_FWD 5
CN202 (6/45)
SS_L_CAP_STBY 6
18 CN202 (18/45)
SS_CAP_CONT
MDC
19 CN202 (19/45)
SS_CAPSTAN_DRIVE
3
SS_CAP_FG(A)_DUTY 8 CN202 (8/45)
SS_CAP_FG(B)_DUTY 9 CN202 (9/45)
(DVP),EQ
SS_TAPE_SPEED 8 CN102 (8/140)
CN201 (41/45)
SS_DRUM_DRIVE 41
003
QPL_OFFSET
DA2
CN202 (2/45)
SS_MDC_DA2 2
ADFGSEL 002
4
C262
0.1uF
MDC
18
QPLFGSEL 003
16
QPL_LEVEL_CONT1 003
14
QPL_LEVEL_CONT2 003
12
003
QPL_LEVEL_CONT3
9
CN202 (23/45)
SS_L_TOP_SEL 23
7
22 CN202 (22/45)
SS_H_END_SEL
5
SS_LOADING_CONT2 20 CN201 (20/45)
3
SS_LOADING_CONT1 19 CN201 (19/45)
CN201 (21/45)
SS_L_LOADING_SLOW
21
CN202 (37/45)
SS_TRCON_LED 37
5
CN202 (33/45)
MDC_TRCON_SW 33
SS-92 (3/3)
BOARD NO. 1-678-740-12
LOT NO. 083-
HDW-750_SS-92_014_3
P