Power 1 Block Diagram - Sony DCM-M1 Service Manual

DCM-M1

3-14. POWER 1 BLOCK DIAGRAM

BATTERY TERMINAL
POWER BOARD
(SEE PAGE 4-130)
CN9002
BATT_SIG
BATT_SIG 2
AC_DETECT
3
AC_DETECT_SW
U_GND
4
LITIUM_BATT_ –
(AC_IN_ –)
F9001 L9001
LITIUM BATT_+
LITIUM_BATT_+ 1
(AC_IN_+)
F9002 L9002
F9004 L9005
F9003 L9003
05
SWITCHING CONTROL
IC9001
29 STANDBY3
•
30
STANDBY
OUTPUT
L9004 PWM
CIRCUIT
13 COMP
COMP
•
28 VCC
OUTPUT
63
ERROR
VCCC_4&5&6
AMP
OUTPUT
42
VCC_1&3
OUTPUT
51
VCC_2
OUTPUT
PWM
CIRCUIT
COMP
ERROR
2.88 Vp-p AMP
470 kHz
REC/PB
OUTPUT
PWM
CIRCUIT
COMP
5.44 Vp-p
ERROR
470 kHz
AMP
REC/PB
OUTPUT
PWM
CIRCUIT
COMP
ERROR
1.44 Vp-p
AMP
470 kHz
REC/PB
840 mVp-p
470 kHz
REC/PB
OUTPUT
PWM
CIRCUIT
COMP
ERROR
AMP
940 mVp-p
470 kHz
REC/PB
OUTPUT
PWM
CIRCUIT
COMP
ERROR
AMP
TIMER
OSC
&
LATCH
3-27
L9007 L9013
SWITCHING
Q9003
VREF
27
OUTPUT_6
4
INVINPUT_6
11
NONINVINPUT_6
10
L9008
D2.85V
SWITCHING
Q9004
OUTPUT_5
64
INVINPUT_5
16
NONINVINPUT_5
15
L9009
SWITCHING
Q9009
OUTPUT_4
57
MOSGATE_4 SWITCHING
60
Q9007
INVINPUT_4
19
SWITCHING
Q9001
OUTPUT_3
56
INVINPUT_3
33
T9001
L9006
SWITCHING
Q9005
OUTPUT_2
50
INVINPUT_2
36
L9010
SWITCHING
Q9006
OUTPUT_1
46
MOSGATE_1 SWITCHING
43
Q9008
INVINPUT_1
39
5.52 Vp-p
470 kHz
REC/PB
UNREG
2.3V
800 mVp-p
470 kHz
REC/PB
840mVp-p
470 kHz
REC/PB
A2.85V
L9016
–20V
L9020
–6.5V REGULATOR
Q9002, 9010
L9015
13V
12V REGULATOR
IC9002
6 IN OUT 4
FB 3
L9018
4.95V (CAMERA)
L9023
4.95V (ETHER)
L9017
4.95V (VIDEO)
L9019
4.95V (DRIVE)
D3.1V
3-28
CN9001
BATT_SIG
L
1
AC_DETECT
3
TO MAIN BOARD
DD_CTL
5 CN9101 (2/2)
(SEE PAGE 3-30)
58
•
60
•
62
UNREG
•
64 M
•
66
•
68 TO MAIN BOARD
•
70 CN9101 (1/2)
(SEE PAGE 3-29)
2.3V
34
•
36
40
•
42 D2.85V
•
44
•
46
D2.85V (NF)
48
12
•
14 A2.85V
•
16
•
18
A2.85V (NF)
20
–20V
38
–6.5V
4
13V
32
12V
2
4.95V (CAMERA)
6
4.95V (ETHER)
8
•
10
4.95V (VIDEO)
50
•
52
4.95V (DRIVE)
54
•
56
22
•
24 D3.1V
•
26
•
28
D3.1V (NF)
30