Sony MX-P21 - Page 35

MX-P 21
4-19. SCHEMATIC DIAGRAM (9)
@ LED Board, Meter and PS Board
0905-1 -D905-5,D905-2!-D905-25 1905-6-D905-15,0905-26 -D905-35
TLR 124 TLG 124
geet
ere
RN,
ed
“he
®
A
cn903 B 10 9 8 7 6 5 4 3 2 i cNy902 B 109 8 7 6 5 4 3
CN902 CN903
eae
Q901—908
2SA952
R904
R906 68
IC901 ,902
MSL935 IBS
LED METER DRIVE
1C901,902
semsec _¢/-2msec
PIN ut he 5Vp-p
COMPARATOR
CIRCUIT
converte D/A
converte vas
fh! ra dos
ay [ay +1693
Ras 01
Ens eee ie ees
ie ==
(METER & PS BOARD} er
10
0 9 8 7 6 5
TLG124
COGS OG
Blo 89 88 87 85 84 83 AIO AS AB AT AG AS A AS
MX-P 21
D906~-I—D906-5,D906-2I-D906-26 0906-6—D906-I5, D906-26—D906-35
©
A2 Al 82 BI
PROTECT (ON
D903,4
YOS
PROTECTION
16.6V
¢904 |+ +] C905
6800; 6800
25V
Note:
All capacitors are in uF unless otherwise noted. pF : wuF
50WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in ohms, %W unless otherwise noted.
2 : 10002, MQ : 1000 k2
© ([ _] : panel designation.
Readings are taken under no-signal conditions with a
VOM (50 kQ/V)
Note: Voltages are measured with a VOM (50k{2/V).