Sony MZ-DH710 Service Manual page 17

ItemNo. Display Specification value Measuring point
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 3-3-1. PwrAdj Specifications
Adjustment Location:
– MAIN BOARD (Conductor Side) –
S892
(HALF LOCK)
CL460
(GND)
SL891
SL892
R454
FB451
FB452
C455
CL453
C459
C458
LF451
2C 1B 1E G D D
Q352 Q353
2E 2B 1C S D D
SL894
R356
F351
C151
C152
FB355
D352
C251
K K
C252
A
K K FB354
FB353
FB357
D471
1
CN471
2.05V + 0.02V CL8027
2.25V ± 0.01V
CL8027
1.20V + 0.01V CL8001
3.10V ± 0.015V
CL658
3.10V ± 0.015V
CL658
3.02V ± 0.02V
CL919
3.02V ± 0.02V
CL919
2.275V ± 0.01V
CL921
2.480V ± 0.01V
CL921
2.740V ± 0.01V
CL921
2.985V ± 0.01V
CL921
2.52V ± 0.02V
CL931
0.89V ± 0.02V
CL604
1.08V ± 0.02V
CL604
1.52V ± 0.02V
CL604
2.27V ± 0.02V
CL604
2.97V ± 0.02V
CL604
0.94V ± 0.02V
CL604
1.28V ± 0.02V
CL604
2.57V ± 0.02V
CL604
2.57V ± 0.02V
CL604
DRY BATTERY
(IEC DESIGNATION R6)
W404
R406
R618
1C 2B 2E
Q608
G D D
1E 1B 2C
Q611
S D D
E C B R601
Q607
BP701
R677
K D604 A
Q351
C658 + R664
B C E
+
C354 C672
L608
R352
C351
A K
57 56 54 52 49 45 41 37 34 32 30 29
18 13
D613 A K
D609
58 59 55 53 50 46 42 38 35 33 31 28
∗
19 12 60 61
IC601
62 63
R251 R151
IC352 C630 65 66
69 70
24 7
73 74
1 6
77 78
80 81
5 4
R255 82 83
A K
84 87 89 91 94 98 102 106 109 111 3 2
R155 IC602
C254 D601
85 86 88 90 93 97 101 105 108 110 112 1
1 3
K A
+ C614
R653
C673
D251
Q618
2 1
1C 1B
+
1E 1C C616
E
1B 2B
2C 2B
2C 2E
C671
C607
Q471
3 4
R478 C478
1 4 1
IC606
R682
R684
2 3
3
IC607
IC605
16
CL433
(GND)
3-3-3. VBsAdj adjustments
Procedure:
1. In the "3-3-2. PwrAdj Adjustments" completed status, display
as follows.
2240
VBsAdj
2. Apply the voltage of 5 V to the CL453 and CL460 (GND).
3. Press the
>
4. Adjust with [VOL+]/[VOL--] keys so that the value of digital
multi meter becomes specification value. (Refer to "table 3-
3-2. VBsAdj Specifications")
5. Press the
X
6. Repeat adjustments to item number 2243 at the same manner
as step 4 to step 5.
ItemNo. Display
2241 241 REG4 **
2242 242 REG5 **
2243 243 REG6 **
Note1: "**" is adjustment value (hexadecimal number).
Note2: Ground point of all adjustment points is CL433.
Table 3-3-2. VBsAdj Specifications
CL658 CL935 CL931
SIZE "AA"
1PC. 1.5V
IC603
1 5
L701
D611
L702 3 4
CN701
2E 2C
G D D
2B 1B
10 1
1C 1E Q615
R638 R639
S D D
C652 +
L605
Q613
8
CL935
CL658
L907
Q901
R675
C666
R616
C641
1
C644
L901
SL901
D D603
27 26
64 51 47 43 39 36 25 24
Q612
67 68 48 44 40 23 22 21
G S
71 72 20 19 18 17
L906
75 76 16 15 14 13 C633
D602
79 96 100 104 12 11 10 9
92 95 99 103 107 8 7 6
5 4
IC902
3 2
R681
R646
X801
C675 R645 4 1
R670
C628
C620
C961
R605
+
C627
R647
8 5
C611
5
Q609
D
L601
R805
4 1 4
Q802
G S
+ D801
C622
R867 C856
A K
2 1
IC804
3 4
D803
G D S
SL801
Q801
CL604 CL8055
MZ-DH710
Display
key to change the item number to 2241.
key to write the adjusted value.
Specification value Measuring point
1.13 V ± 0.01 V
2.05 V + 0.02 V
3.30 V ± 0.01 V
L503
+ C518 +
C553
C519
C554
C524
C520
C530
R505
5451 48 45 43 42 40 37 34 31
C517
5552 49 47 44 41 38 36 33 30
5653 50 46 39 35 32 29
C516
∗ C427
1 4 7 11 18 22 25 28
C511
C521 2 5 8 10 13 16 19 21 24 27
D441 A K
IC501
3 6 9 12 14 15 17 20 23 26
C515
C522
C574
C557
C531
C527 C533
R520
Q504 R524
C559 R512
5
E C B
R511
SL802
+ C567
C669
1
R868
R860
IC604
2
4
C668
C803
C805
R812
C857 R817
R820 C809
R869
∗
IC801
X802
C858
C859
CL8001
CL8001
CL8027
CL8055
W403
CL921
CL919
4
3
CL8027
17