Sony PRS-505/SC Service Manual - Page 30
IC204, 205, 409, XC6213B312NR, IC302, XC6215B152NR, IC303, XC6215B312NR, IC406, XC6215B292NR, IC402
 |
View all Sony PRS-505/SC manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 30 highlights
+ - + PRS-505 IC204, 205, 409 XC6213B312NR CE 1 VSS 2 ON/OFF CONTROL CURRENT LIMIT VOLTAGE REFERENCE 4 VIN 3 VOUT IC302 XC6215B152NR IC303 XC6215B312NR IC406 XC6215B292NR CE 1 ON/OFF CONTROL EACH CIRCUIT VSS 2 VOLTAGE REFERENCE ERROR AMP - + CURRENT LIMIT 4 VIN 3 VOUT IC402 XC9226A296MR IC403 XC9226A196MR R2 R1 VIN 1 VSS 2 R3 R4 CE/MODE(EN) 3 30 Phase Compesation Current Feedback Current Limit + + - Synch. - Logic Buffer Drive Vref with Soft Start, CE PWM/PFM Selector Logic Ramp Wave Generator OSC CE/MODE Control Logic 5 Lx(SW) 4 Vout(CE)
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25 -
26 -
27 -
28 -
29 -
30 -
31 -
32 -
33 -
34 -
35 -
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
 |
 |
PRS-505
30
IC204, 205, 409
XC6213B312NR
CE
1
VSS
2
VIN
4
VOUT
3
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
IC302
XC6215B152NR
IC303
XC6215B312NR
IC406
XC6215B292NR
EACH CIRCUIT
2
VSS
1
CE
ERROR AMP
VIN
4
VOUT
3
ON/OFF
CONTROL
VOLTAGE
REFERENCE
CURRENT
LIMIT
+
–
IC402
XC9226A296MR
IC403
XC9226A196MR
Vref with
Soft Start,
CE
PWM/PFM
Selector
Ramp Wave
Generator
OSC
CE/MODE
Control
Logic
Phase
Compesation
Synch.
Buffer
Drive
Current Feedback
Current Limit
Logic
Logic
Lx(SW)
5
CE/MODE(EN)
3
VIN
1
VSS
2
-
+
-
+
-
+
R2
R1
R4
R3
Vout(CE)
4