Sony MZ-RH910 Service Manual page 17

3-2-3. VBsAdj adjustments
Procedure:
1. In the "3-2-2. PwrAdj Adjustments" completed status, display
as follows.
Display of the remote commander
240 VBsAdj
2. Apply the voltage of 5 V to the CL453 and CL460 (GND).
3. Press the key to change the item number to 2241.
>
4. Adjust with [VOL+]/[VOL--] keys so that the value of digital
multi meter becomes specification value. (Refer to "table 3-
2-2. VBsAdj Specifications")
5. Press the key on the set or
X
commander to write the adjusted value.
6. Repeat adjustments to item number 2243 at the same manner
as step 4 to step 5.
7. Select the item number 2244, and turn off the power supply of
battery terminal.
8. Repeat adjustments to item number 2244 and 2245 at the same
manner as step 3 to step 5.
9. Apply the voltage of 1.2 V to the battery terminal again.
10. Turn off the voltage of 5 V to the CL453 and CL460 (GND).
11. Press the key three times and back to the Display Check
x
mode.
Adjustment Location:
– MAIN BOARD (Component Side) –
S892
(HALF LOCK)
SL892
S895
R8892
C8893
FB3301
C3306
C206
FB3302
CL362 C204
FB2202
R206
D3305 R357
R307
2C 1C
C3308
Q353
C3309
2B E 1B
Q352
CL8029
Q251
Q151
Q351
1 8
R256
R251 R255
4 5
C3372
FB3351
D471
1
key on the remote
–
CL8001
D4435
R201
FB2201
1 5
A K
FB1101 W404
C4425
3 4
R101
IC302
C102
R314
C101 C328
R309
+ C108
14 8
+
15 7
C107 +
IC301 +
R107 R106
1
21
L303
22 28
C314
FB802
C318 +
C207 +
FB8810
C367 R811
28 103 13 275 39 43 12 11 95 10
117 102 238 313 273 237 98 96 94 97 92
R812
58 236
C362 +
C805
16 9 114 109
110 106 105 104
C803
119 100 52 27 140 139 276 274 44 113 14 37 146
+
33 41 118 111 239 54 277 40 108 107 283 281 147
30 15 112 32
C254
IC351
31 159 116 34
156 201 42 99 45 145 143 144 46
162 165 101 141 167
168 208 158 160 142 29
63 211 213 200 172
+
+
202 212 203 18 17
8
1
254 204 258 260 163
C154 C364
173 253 256 259 214 210
R827 257 255 232 215 164
+
233 235 19 161 209 171 170 166 157
VDR8861
20 261 240 243
80 234 178 244
79 61 219 241 221 247 270 152 69 67 25 70 65
F351
242 176 24 175 245 250 267 264 72 71 26 66 51
180 182 64 23
IC801
217 222
SL802
220 246
R843 223 248 262 265 268 271 179 216 218 62 76
249 263 266 269 272 251 252 177 181 75
R957
R836
+ C819
1B E 2B
R489 L802
Q471
C479
1C 2C
C4485
D4436 C4455
FB4452
18
D4456
C4467
D457
CN471 C4466
R4460
J402
DC IN 3V
– +
CL460
(GND)
ItemNo. Display
2241 241 REG4 **
2242 242 REG5 **
2243 243 REG6 **
2244 244 DDC5 L **
2245 245 DDC5 H **
Note1: "**" is adjustment value (hexadecimal number).
Note2: Ground point of all adjustment points is CL433.
Table 3-2-2. VBsAdj Specifications
CL518
NICKEL METAL HYBRID
RECHARGEABLE BATTERY
NH-14WM
1PC. 1.2V 1400mAh
S894
BATTERY
C518
INSERT DETECT
SL891
SL894
C520
C556
C557
C8864
+
C836 L803
X802
CN701
L804
C838 +
10 1
R808
FB808
L806
C801
C821
FB807 C643
C607
C835
IC605
93 91 88 7 8 84 83 311 312 151 150 R628
5 4
9 90 89 86 85 87 50 310 6 47 49 38
280 278
282 77
C850
115 48 284 78
3
1
149 138 279 5
IC601
R653 C602
148 137 57 286
297 285 288 53
D614
287 289 299 293 85 84 82 80 77 73
307 306 302 4
86 87 83 81 78 74
295 308 309 304 207
88 89
169 296 174 290 199 194 R8813
90 91 92 79 75
60 292 303 197 229
FB8803
16 305 301 225 190 93 94 95 96 76
153 191 195 227 189
97 98 99 100
R813
154 228 59 226 192 183
101 102 103 104
D601
155 231 224 135 186 R878
105 106 107
12 16
185 2 294 1
108 109 8 11 15
230 193 300 291
C675
187 3 56 82 110 111
D613
184 196 36 81
112 3 5 7 10 14
136 134 121 133
1 2 4 6 9 13
68 298 123 128
126 127 C828
∗
124 125
R857 D602
73 131 188 320 316 317 315 206 130 129 120 122
K A
74 198 205 319 318 314 21 22 55 132 35
C633 C638 R689
SL801
X801
C628
D803 C616 +
R807
R806
R804
L601
R6622 C627 +
C6680
R6623
D6616
D6615
1G S 2G
C622 +
Q601
C623
CL604
+
1D 2D
D606
R6621
R625
K A
D608 K A
D4442
FB4451
C6649 2S 2D
L605
2G
1G
C4456
C4428
1D 1S
Q602
R6620
C6676
W402
D605
K A
D607
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
1PC. 1.5V
(BATTERY CASE)
CL453 CL8055
Specification value Measuring point
1.13 V ± 0.01 V
2.05 V + 0.02 V
3.30 V ± 0.01 V
2.00 V + 0.02 V
1.95 V ± 0.01 V
CL511 CL515
+
R526
L503
L502
W403
R525 C524
C554
C550
IC501
+ C530 + C4462
C553
∗
L504
5451 48 45 43 42 40 37 34 31 R505
R515
5552 49 47 44 41 38 36 33 30
R516
5653 50 46 39 35 32 29
1 4 7 11 18 22 25 28
C521
2 5 8 10 13 16 19 21 24 27
E C B
3 6 9 12 14 15 17 20 23 26
C552
FB5503 Q503
C560
R513
C552
R501
R514
R502 R518 C533 C545
L505
C526 R519
C424 +
E C B C567 + E C B
R524 C555 L506
C558
Q504
Q502
R520 C565
R437
R686 R422 Q433
C666
R664
1C 2B 2E
R6695
L608 Q406 C4465
C672
D440
1E 1B 2C
C636 R693
R690 L907
R443
R678 R6694 S
∗
D
1C 2B 2E
69 65 62 60 58 57
D
Q441
70 66 63 61 59 56
Q403
R651
55 54 1E 1B 2C
71 67 64 53 52 R649
4 1
72 68 51 50 49
L901
R648
G D D
48 47 46 45
Q432
R675
44 43 42 41
Q442
20 40 39 38 37 R616
S D D 5 8
19 23 36 35 34
C641
D444
33 32 A K
C642
18 22 25 27 31 30
R617 R433
17 21 24 26 28 29
+ C909
R629
R432
C645
+ C637
Q407
K A
D443
R436
L603
+ C635
6 12 16 20 26 32
5 11 15 19 25 31
4 10 24 30
+
3 9 23 29 IC401
C411 2 8 14 18 22 28 ∗
C409
L906
1 7 13 17 21 27
+ C426
+ C402
+ C922
8 5
+ C403
Q401
C653
D4443
CL433
C406
+
1 4
(GND)
W401
D401
K A
C4463
C4429
C4464
(CHASSIS)
CL433
CL604 (GND)
MZ-RH910
CL8001
CL8029
CL8055
CL935
CL935
CL935
G
D
D
CL658
11
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