Main (Memory) Schematic Diagram - Panasonic SDR-H80P Service Manual

8.5.

MAIN (MEMORY) SCHEMATIC DIAGRAM

(MAIN P.C.B.)
REFER TO MAIN CONNECTION
G
TO MAIN CN (K-4) L3202
J0JHC0000114
<TO POWER>
(F1) REGD1.8V
L3201
TO MAIN CN (K-4)
J0JBC0000107
<TO POWER>
(F2) D_GND
C3209
TO MAIN CN (J-5/K-5) 10u 6.3V
<TO VIDEO>
(F14) DRAMSDQM3
(F19) DRAMSCKE0
(F18) DRAMSCLKO
(F12) DRAMSDQM1
(F23) DRAMSADR[0-12]
(F10) DRAMSDAT[0-31]
(F11) DRAMSDQM0
(F15) XDRAMSWE
F
(F16) XDRAMSCAS
(F17) XDRAMSRAS
(F20) DRAMSCS0
(F21) DRAMSBA0
(F22) DRAMSBA1
(F13) DRAMSDQM2
E
TO MAIN CN (K-4)
<TO VIDEO>
(F8) ADAT[0-15]
(F6) XARD
(F7) AADR[1-16]
(F5) XSWE0
(F9) RY/XBY
(F4) XSCS0
D
TO MAIN CN (L-4)
<TO VIDEO/ SYSCON>
(F3) XRST_ARM
C
B
NOTE:
DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART, PLEASE REFER
TO PARTS LIST.
NOTE:
THE MEASUREMENT MODE OF THE DC VOLTAGE ON
THIS DIAGRAM IS STOP MODE.
NOTE:
CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED
A HEREIN SHALL BE REGARDED AS REFERENCE
INFORMATION WHEN PROBING DEFECT POINT,
BECAUSE IT MAY DIFFER FROM AN ACTUAL MEASURING
VALUE DUE TO DIFFERENCE OF MEASURING
INSTRUMENT AND ITS MEASURING CONDITION
AND PRODUCT ITSELF.
1 2
C3208
10u
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A5 B4 D1 C1 A3 D6 B6
IC3203
C3FBSG000007
(FLASH MEMORY)
G4 D4 F1 F2 D2 F5 G5 E6 F6 A1 A4 E5 G1 F3 A2 F4 G6 H3 H2 H5 H4 G3 G2 H6 C6 E2 E1 H1 D3
C3212
0.1u[KB]
0
Q3201
2.9 UNR32A500L
(RESET)
0
3 4 5
A6 D5 B1 C2 C3 C5
B2 B3 B5 E4 E3 C4
6 7
35
R3 R2 L9 N3 R1 E1 N2 P1 M1 M2 M3 N9 L2 E7 L3 K1 H3 H9 J1 J2 J3 H2 H1 G3 G2 G1 F3 F2 F1 E3 E2 D9 D3 D2 C1 B1 C2 B2 A1
IC3202
C3ABSJ000010
(SDRAM)
R7 R8 M9 N7 R9 N1 N8 P9 L1 M8 M7 E9 L8 K2 L7 K9 K8 K7 J9 J8 K3 J7 H8 G7 G8 G9 F7 F8 F9 H7 E8 D1 D7 D8 C9 B9 C8 B8 A9
SDR-H80, H81, H90
MAIN (MEMORY) SCHEMATIC DIAGRAM
8 9 10
SDR-H80P
C3 B3 A2 A3 P8 P7
C7 B7 A8 A7 P2 P3