Read Panasonic SV-AS3PP / SV-AS3EB / SV-AS3EG / SV-AS3GC / SV-AS3GCS / SV-AS3GD / SV-AS3GN (serv.man2) Service Manual online
8.4. POWER BLOCK DIAGRAM
8
7
6
5
S1
G1
S2
G2
D1
D1
D2
D2
Q22
(SWITCHING)
1
2
3
4
DC IN
4.8V
4.8V
BAT+
GND
BATTERY
S7
POWER SW
CURRENT-
MODE
STEP-UP
PWM
CURRENT-
MODE
STEP-UP
PWM
CURRENT-
MODE
STEP-UP
PWM
11
12
13
14
15
16
18
19
20
22
23
24
26
27
28
29
30
40
39
38
37
36
35
34
33
32
31
10
9
8
7
6
5
4
3
2
1
SUSD
FBM
ONM
REF
ONSU
SCF
SDOK
AUX10K
OSC
PGSU
LXSU
PVSU
ON2
PVM
LXM
FB2
INDL2
DL3
DL1
PV
CC3
FB3L
FB3H
CC1
FB1
ON1
PGSD
FBSD
CCSD
CCM
DL2
GND
CCSU
FBSU
CC2
LXSD
PVSD
17
ON3
AUX3
PWM
PWM
25
PGM
ONSD
OUTSU
AUX1
PWM
PWM
OUTSU
21
AUX2
INVERTING
PWM
OK
PWR ON
OR FAULT
OR FAULT
L36
IC14
(6CH REGULATOR)
8
7
6
5
4
3
2
1
S
C
D
R
Q
Q
Vcc
CK
D
Q
GND
Q
CLR
PR
IC16
(D-TYPE FLIP FLOP)
D19
VCC5SHT
Q14
(POWER SUPPLY)
L32
CCD12V
Q15
(POWER SUPPLY)
L33
Q18
(POWER SUPPLY)
L34
CCD6R5N
L35
D17
L37
BL H
BL
VCC6R5NCCD
D18
6
5
4
3
1
2
D
S
G
G
D
S
Q21
(SWITCHING)
QR4
(SWITCHING)
To U1- D4
IC17
(RECHARGEABLE
CONTROL)
1
2
5
3
4
VCC
PROG
SHDN
GND
BAT
TA
TDIE 120
MA
CA
VA
REF
1.21V
C1
2.9V To BAT
+1
5 A
From CP1-
1
2
3
6
5
IC15
(DUAL REGULATOR)
VOUT2
V
SS
VIN
EN2
CURRENT
LIMIT
VOUT1
CURRENT
LIMIT
4
ON/OFF
CONTROL
ON/OFF
CONTROL
VOLTAGE
REF.
To VR2 each circuit.
EN1
To VR1 each circuit.
VOLTAGE
REF.
VCC1R8
ADC CHD
IC12
(REGULATOR)
CURRENT
LIMIT
1
2
3
VOLTAGE
REF.
VOUT
VIN
V
SS
Q13
(POWER SUPPLY)
3
4
5
6
1
2
Q16
(POWER SUPPLY)
3
4
5
6
1
2
Q17
(SWITCHING)
3
2
1
6
4
5
VCC12LCD
VCC12CCD
CURRENT
LIMIT
4
5
2
VOLTAGE
REF.
VOUT
V
SS
3
1
VIN
NC
ON/OFF
CONT.
EACH
CIRCUIT
IC13
(REGULATOR)
VCC3R2AUD
From U1- E4
From U1- E2
From U1- C5
From U1- V8
From U1- C5
6
5
3
1
2
D1
S1
G1
G2
D2
S2
Q19
(SWITCHING)
VCC3R3
VCC3R3LCD
TH
Q24
(SWITCHING)
Q23
(SWITCHING)
D
S
G
D
S
G
OFF
ON
To IC19 -
3
CE
From U1- E2
To U1- F4 / IC3 - J3
To U1- F2 / IC3 - F6
To U1- F3 / IC3 - K11
From IC3 - L7
From IC3 - K7
F1
From IC3 - M7
From IC3 - L10
VCC1R5
2
1
2
3
4
5
D
S
G
1
2
3
4
5
D
S
G
1
2
3
4
5
D
S
G
QR8
(SWITCHING)
From U1- E5
VCC3R3
From U1- E3
IC21
(REGULATOR)
1
2
5
3
4
CONT
VOUT
VIN
GND
FIL
CONSTANT
CURRENT
SOURCE
D22
VCC3R3CCD
4
POWER BLOCK DIAGRAM
SV-AS3PP/EB/EG/GC/GCS/GD/GN POWER BLOCK DIAGRAM
SV-AS3PP / SV-AS3EB / SV-AS3EG / SV-AS3GC / SV-AS3GCS / SV-AS3GD / SV-AS3GN
12
Click on the first or last page to see other SV-AS3PP / SV-AS3EB / SV-AS3EG / SV-AS3GC / SV-AS3GCS / SV-AS3GD / SV-AS3GN (serv.man2) service manuals if exist.