Panasonic JB-3300 Technical Manual page 247

CPU Board IV
| ___ 2 l 3 | 4 5 | 6 f L 8 l 2 lO
MB 8I41!6-I2 LS374
(1-6F)XAB 2
3
10
4
5
i2
x X#EN EVEN(7H)
CHB?
(1-6B) ABI4 (7-1B)
(5-59) XSUPER GRAPH
CHBO
(1OE) XRAS VO7
(10G) XCAS
— )CMA 2
(3F) XCLK! EMA S
DO
(5-5C)CMA 3
V
(3F) CLK2 (CRT SYNC) (5-50) CMA 10 (106) XCRTCASO % VRAM EVEN (5~-9D)
ADV CRT (7E (S-SD)CMA 4 (10G)XCRTCAS|
(7E) (5-5D)CMAII
( 7H)CRTC-CLK
(5-5F) CRT ADR (7G)(5-6D)
C ATB7
(5-6C)LCMAO
(5-5D)CMA 6 (7-1£)
(5-5D)CMA 7
(5-5D) CMA 8
ATBO
_ ALS74] 19 iS sD)oMa te
( ) (5-5D) CMAI3 ¥% GRAPHIC (5-5F)
(3G)XCLK3 (5-5E)RAI
(5-5D)RAO
D
(l1-10D) XRESET
(5-5F)GRAPHIC EN EVEN(7H)
(5-5G) XSUPER
(5-6C) XCMAO
(5S-5F)XTEXT8O
(5-9E)XWE ODD
+
C77 (3G) ¥CLK3
iOy/16V
C73 RSCLK
E O.lu (1-3A) RESET
I
(3-36)
-e-
| —
1g 102) qi) (2) LS290
(3G) CLK4
R3
IOR
(3C) ADV CRT 4
22
(3F) XCLK2 WA —6 > XRAS (6B)
(3F)CLK2 — _
(7H) EN EVEN = (RAS)
S175(4/4)
MUX (4A)
F (Refresh Counter ) (2G) BASIC -CLK
CLK1(4H)(7F)(7-1E)
¥%CLK 1(7G)(IC) (5-6D)(7- 1A )( 7-1G)
CLK2 (IC) 7E) 3 oll $175 (3/4) KE
¥%CLK2 (7E) (3F)CLKI ———4 124) of Oo cpu cas(5-7¢)
CLK3(76) (3D)XCPU ADR ——_] Q10Q ©
7 BSCLK ¥%CLK3(1D)(7G)(4E) | LSo4 ot
CLK4 (7E)
sO T= XCPU CAS (5- 6B)
13 ¢
CLK
| | S10 $ F e oit
(3G) XCLK3 z 2 rq2 XCAS (6B)
(3C) CRT ADR I j UR) =» XCRT CASO (7C)
CRTC
(1-10D) XRESET
G © Sdit>? = CRT CASO (4H)
(5-5F) ¥TEXT8O 7
LSO4
3 502
LS5I(1/2) -----~—- 10 (3F) XCLKI
lay sisg | _9)76 3 XCRTC-CLK(7-IC) io S'0
BASIC-CLK (7F) S175(1/4) A G l 8
! N12 (3G )CLK3 IIR = XCRT CASI(7C)
— (7-4E) HP SHIFT (7-1 A) lif 11N o> CRTC-CLK (1C)( 7-14)
(7-7F) (7-3E) $74 _!3! B LG (5-1D)
BASIC-CLK 4 (3/4) S175 (2/4)
LL... —J15 517
+ D QF— XEN EVEN (IOA) +O)
(ZF )CLK | 9[10Q
BASIC-CLK b Ps
(10G)CRTCASO (X2G) tobe EN EVEN (7-ID)(IOD)(7F)
H
{
(5-5F) XTEXT8O yy
| 2 ' 3 4 ' 5 6 7 | 8 9 10
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