Sony MZ-NH1 Service Manual page 17

3-4-2. PwrAdj adjustments
Repeat the following procedures and adjust all contents of "table 3-
4-1. PwrAdj Specifications".
Example Display (Item No. 2211)
VC1
adjustment value (hexadecimal)
Procedure:
1. Connect the digital voltmeter to measuring point (refer to the
following table) and ground (CL433).
2. Press the [FF] key to change the item number.
3. Adjust with [VOL+]/[VOL--] keys so that the value of digital
voltmeter becomes specification value.
4. Press the key to write the adjusted value.
X
5. Press the [FF] key to select the next item.
6. Repeat adjustment from step 1 until item number 2233.
Adjustment Location:
– MAIN BOARD –
(Conductor Side)
R912
R906
R903
D904
+ C922
C913 +
+ C949
C912 +
C925
16
17
C911 +
C902
18
D906
C910 +
C909 +
IC901
C906
C917
32
33
34
D902
L904
R904
R907
R947
R946
FB201
FB101
R307 C308 R106
C107 +
C104 C105
C204 C205
C207 +
FB302 FB202
CL362
BP312
C356 +
7
BP352
8
C362 +
FB355
C368
F351
FB354
14
C367
FB353 15
R355 FB357
FB151
FB251 Q351
CL604 2D 2G
2D 2S
1D 1G
1D 1S
R352 C352
C252
1 11
R475
R474
C306
CN471
R473
BP471
CL460
(VBUS GND)
211
**
CL935
L902 L901
C903
2 1
IC903
2 SL901
1
3 4
64
R954
C931
R956 R957 C433
C932
1C 2B 2E
Q951
R945 1E 1B 2C
3 1 R953
C934
50
R934 C431
49
IC902
48 4 5
R939
R927
R935 + C948
R936
R938
R937
+ C955
C327
3 1
R201 RB701
R203
C316 +
IC302
R103
C313 + 4 5
R101 CN701
C706
C328
RB702
C315 + C705
10 1
+
C108
14 8
28 15
15
7
BP701
29
IC301
C322
21
1 C319
IC701
22 28
+ C320
+ C312
C318 +
D614
42
R609
C311
A K
C647 43 56
R650 R633
G D D
Q606
1E 1C
R637
1B 2B
R364
S D D Q404
2C 2E
R638
R363
1E 1C E C B
A D603 K
Q405
1B 2B R418
2C 2E
1 R617
R403
C642
28
C641
BP351
R604
IC351 R616
R641
R404
22
R642
C410
R354 IC601
21
C643 R455
C407
C370
R416 C415
R356
IC401
R407
Q251
D618
E C B
C636
R402
K
Q151 D610
C406
B C E
B C E
C402 +
R456
Q352
A
R431
R459 R458
C351
C403 +
R453
G
A
K K
D D431
C457
R471
FB453 D451 A K
S
A
K A
Q431 A
C460
D455
CL433 CL453
(GND) (VBUS 5V)
ItemNo. Display
2211 211 VC1 **
2212 212 VC1H N **
2213 213 VC2 **
2214 214 DDC3 L **
2215 215 DDC3 H **
2216 216 REG1 L **
2217 217 REG1 H **
2218 218 REG2 1 **
2219 219 REG2 2 **
2221 221 REG2 3 **
2222 222 REG2 4 **
2223 223 REG3 **
2224 224 VREC 1 **
2225 225 VREC 2 **
2226 226 VREC 3 **
2227 227 VREC 4 **
2228 228 VREC 5 **
2229 229 VREC 6 **
2231 231 VREC 7 **
2232 232 VREC 8 **
2233 233 VREC 9 **
Note1: "**" is adjustment value (hexadecimal number).
Note2: Ground point of all measuring points is CL433.
Table 3-4-1. PwrAdj Specifications
LITHIUM-ION
RECHARGEABLE BATTERY
LIP-4WM
C575
C894
S895
HOLD
R516
SL891 SL892
OFF ON
R515
E C B
Q503
+
C518
R513
D882
C520
L505 R514
IC881 K A
E B
3 2
C523
R525
Q502
K A
1 4
4 1
R510
C
D881
2 3
C884 A K D883
C558
FB503 C519
IC502
1E 1C
Q881 L501
1B 2B
C561
2C 2E
R890
D884
2S 2D
D D 2G 1G
SL894 R886
D D 1D 1S
Q501
G S
R888
2E 2C
2B 1B
1C 1E
CN501
R887 C888
26
L802
C570 +
C819 +
IC872
IC605 FB502
3 2
2 1 C880 D871 L804 BP801
4 1
C879
L803
3 4
R860
Q802
R640
1 4
IC804
R706 2 3
C573
14 3 1
R864 C852 C835
IC604
D611
4 5
A K
1
C617 +
C612 +
R813
1
FB803
C855 C821
R656
R636
X802
R635
C626
R808
IC801
+ C613
C625
C630
C602
C604 + C856
A
C662
D609
K
C804 C861
D617
K
K
D616
C822
CL624
CL451
(DC IN 6V)
Specification value Measuring point
2.05V +0.02V
2.25V ±0.01V
1.20V +0.01V
2.60V ±0.015V
3.10V ±0.015V
2.32V ±0.02V
3.02V ±0.02V
2.27V ±0.02V
2.47V ±0.02V
2.72V ±0.02V
2.97V ±0.02V
2.52V ±0.02V
0.89V ±0.02V
1.08V ±0.02V
1.52V ±0.02V
2.27V ±0.02V
2.97V ±0.02V
0.94V ±0.02V
1.28V ±0.02V
2.57V ±0.02V
2.57V ±0.02V
S892
(HALF LOCK)
R511 C565
E C B
Q504
C566
L503
CL516
+
C553
R505
C554
C536
C552
IC501
C529
C527
C513
CL509
C522 D501
C521
CL603
D803
R893
R868
C892
FB501
SL801
C811
5 1
CL8003
6 20
IC891 SL803
16
10
11 15
IC873
IC871
4 3
5 1
C874 +
3 1
4 12
D801 6 10
7 9
X872
X801
R846
Q803
CN491
FB801
8
CL8007
R493
1
C826 R492
C851 C825 R491
K A
D491
MZ-NH1
CL8003
CL8003
CL603
CL604
CL604
CL362
CL362
CL509
CL509
CL509
CL509
CL516
CL624
CL624
CL624
CL624
CL624
CL624
CL624
CL624
CL624
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