Sony D-EJ885 Service Manual page 21

Pin No. Pin Name
44 INP1
45 INW1
46 RF1
47
VOUT1
48
DCIN
49 VDRAM
50 VCPU
51 VCC1
52 DFLAY
53
DTC2
54 INM2
55
RF2
56
INP2
57 STNG
58 CHGMNT
59 BATM2
60 BATM1
61
VLGO2
62 L2L
63 PGND2
64 L2H
65
VIN
66 L4L
67 PGND4
68 L4H
69
VLGO4
70 L3L
71 PGND3
72 L3H
73
VLGO3
74 VCC2
75 VCC3
76
INP3
77 INM3
78
RF3
79
DTC3
80
DTC4
I/O
Battery charge circuit error amplifier non-invert input terminal for rechargeable battery
I
Not used
I
Battery charge circuit error amplifier invert input for rechargeable battery
O Battery charge circuit error amplifier output for rechargeable battery
O VIN power supply circuit control transistor drive signal output terminal Not used
I DCIN (AC adapter power supply) detection terminal
O VDRAM output to the system controller
I VCPU input terminal
O
VCC1 output terminal
—
Constant terminal at the VCC1 control
— Power supply 2 (VCPU) duty setting terminal
I Power supply 2 (VCPU) operational amplifier invert input
O Power supply 2 (VCPU) operational amplifier output
I Power supply 2 (VCPU) operational amplifier non-invert input
—
Connected to the external transistor for power supply 2 (VCPU) Not used
O Battery charge voltage detection signal output to the system controller
I Lower rechargeable battery minus terminal
I Upper rechargeable battery minus terminal
O Power supply 2 (VCPU) output terminal
— Connected to the inductor for power supply 2 (VCPU)
—
Ground terminal (for power supply 2 (VCPU))
—
Connected to the inductor for power supply 2 (VCPU)
I VIN input terminal for power supply 4
— Connected to the inductor for power supply 4 (VAPC)
—
Ground terminal (for power supply 4 (VAPC))
—
Connected to the inductor for power supply 4 (VAPC)
O Power supply 4 (VAPC) output terminal
—
Connected to the inductor for power supply 3 (VDAC)
—
Ground terminal (for power supply 3 (VDAC))
—
Connected to the inductor for power supply 3 (VDAC)
O Power supply 3 (VDAC) output terminal
I
VCC2 input terminal for VCC3
O
VCC3 (VDOJ) output terminal
I Power supply 3 (VDAC) operational amplifier 1 invert input
I Power supply 3 (VDAC) operational amplifier 1 non-invert input
Power supply 3 (VDAC) operational amplifier output terminal and connected to the external
O
transistor for power supply 3 (VDAC) Not used
— Power supply 3 (VDAC) duty setting terminal
— Power supply 4 (VAPC) duty setting terminal
Description
D-EJ885
21