Panasonic CF-48 Service Manual page 75

Main 7 CLOCK
1
2
VC3CK
3
R175
10K
SEL100
007:C5
R176
NU
C200
CX-16F(14.31818M)
8p
1
4
X1
C201
2
8p
VC3CK
0
D33
R178
MA729
10K
007:B3
SUSA# 1 2
010:F9;028:F4
010:F8
5
033:E11;033:G4;033:I8
VC3
BLM21A121
1 2
L3
+ 10V
Y
C198 C202 C205
VC25 NU VC25CK 0.1u 0.1u
BLM21A121
1 2
6
L4
+ 10V
C213
Y
C199 0.1u
NU
7
8
9
10
11
A B
IC4
IMIC9714AYB
2 CPUCLK0 24 10
XTAL_IN
CPUCLK1 23
R180
TP197
1M
3
XTAL_OUT
R179
SEL100 16
SEL100/66#
17
PWRDWN#
4 33
PCICLK_F
PCISTP# 20
PCISTOP#
CPUSTP# 18
CPUSTOP#
5 33
PCICLK1
VC3CK
6
PCICLK2
TP11
28
VDDREF
19
VDDCORE
9 33
PCICLK3
8
VDDPCI
C206
12
VDD48
0.1u PCICLK4 10 33
25
VDDCPU
PCICLK5 11 33
VC3CK
1
VSSREF
21
VSSCORE
R181 R183 R185
7
VSSPCI
10K NU NU
15
VSS48
48MHz 13 33
22
VSSCPU
48-24MHz/TS# 14 33
REF0/SPREAD# 26 33
REF1/SEL48# 27 33
R182 R184 R186
NU 10K 10K
C D
R246 10
C215 10
15p
R239 PCICLK
010:F10
R240
PCLKCD
R242
015:C7
PCLKSND
R219
020:C9
PCICLKEX
R187
023:B4
C214 C216 C218 C224 C255
10p 10p 10p 33p 10p
R188 CLK48M
1 2 L10
010:F10
BK1608LL121
CLKIO
R189 1 2 L11
017:D8
BK1608LL121
OSC
R190
010:F10
VGA14M
R209
013:B10
R61 GVLCLK
0
C217 033:D6
C219 C221 C252
NU
NU 33p 33p
E F G
10 - 7
R249 HCLKCPU
001:A10;001:B12
R250 HCLKBX
005:I9
PCLKBX
006:E10
H I J