Service manual

Schematic Diagrams
B - 52 W870CU CIR Board
B.Schematic Diagrams
W870CU CIR Board
VGND
VGND
VGND
IR5V
VU1
IRM-V038/TR1-P
O
O
G
G
V
V
GND1
GND1
GND2
GND2
VC3
*4.7u_25V_08
VR1
100_1%_04
V_CIR_RX
VC1
0.1u_16V_Y5V_04
V_VDD5
V_CIR_RX
VC2
10u_10V_Y5V_08
CIR
FOR W87
V_VDD5
VH1
H6_0D3_0
VH4
H6_0D3_0
VH2
H6_0D2_2
VH3
H6_0D2_2
VGNDVGNDVGND
6-21-94A50-104
VGND
VGND
VJ_CIR1
88287-04001
4
4
3
3
2
2
1
1
Sheet 51 of 57
W870CU CIR Board