Arcam DiVA CD72 Service Manual page 23

1
VP18
D
L21
33UH SM
Q35
BC849B
+ +
C
D9
BAV99W DUAL SM
R121
XRST
10K SM
B
R126
1M0 SM
VCCD
U26G
C132
A
10N SM
1
2
U33
78L05 P5VCLK
I O
Vin Vout
+
C160
100N SM
VCCD
C127
100N SM
U26E
74HCU04 SM
U26D
11 10 9 8
74HCU04 SM
DRAWING TITLE
Alpha 9 CD DAC Clock
Notes:
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Filename
Cambridge CB5 9PB
J:\PROJECTS\A9_CD\L816PB_DAC_PCB\Circuits_&_PCB\Issue_5\L816c1_5.DDB - Documents\L816C8_5.SCH
2
+5VCLK
Q31
BC849B
CLKSYNC
GO
C154
GO
100N SM
R153 R156
4K7 SM 4K7 SM
Q34
BC849B
99_1072
98_1067
98_1058
Circuit Diagram
98_1022
98_1020
ECO No.
Date Printed
3
+5VCLK
U27
2
74AHC1GU04 SM
U28
R138
2
Q33
470R SM
BC859B
74AHC1GU04 SM
R148
220R SM
Q32
BC849B
13
L18
1U0H SM
L19
2U2H SM
C145
82P SM
WAF NO CHANGE ON THIS SHEET
14-10-99
LJW R148 was 1A147 470ohm
02-Nov-98
SJB No Change on this sheet
21-Sept-98
SJB No Change on this sheet
13-May-98
SJB 1st Issue
21-APR-98
INITIALS DATE DESCRIPTION OF CHANGE
Drawn by:
Sheet 8 of
SJB
15-Oct-1999
3
4
D
4
CLKDAC
CLKDAC
C133
10N SM
VCCD
L14
2U2H SM
4
CLK17M
CLK17M
C
C134
10N SM
U26F
12
74HCU04 SM
B
R164
CLKMECH
CLKMECH
100R SM
C150
47P SM
5
4
3
A
2
1
ISSUE
9 L816CT
DRAWING NO.
4