Sony MZ-R50 Service Manual - Page 45

IC802, RS5RJ29261, IC807, AK93C45AV-L

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IC802 RS5RJ29261 VSS 1 OSC VLX LIMITER 8 LX CE 2 VD OUT 3 VD IN 4 + ± VFM 7 EXT SOFT START VREF 1 + VREF 2 ± ± + 6 VDD 5 V OUT IC807 AK93C45AV-L DO 4 DI 3 SK 2 CS 1 INSTRUCTION REGISTER INSTRUCTION DECODE CONTROL & CLOCK GENERATION DATA REGISTER VTEF ADD BUFFERS R/W AMPS & AUTO ERASE VPP GENERATOR VPP SW DECODER 5 GND 6 NC EEPROM 1024BIT 64X16 7 NC 8 VCC - - 63 -

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–
– 63 –
IC802
RS5RJ29261
IC807
AK93C45AV-L
2
3
5
4
6
7
8
1
OSC
VSS
CE
VD IN
VD OUT
EXT
V OUT
VDD
LX
VLX LIMITER
SOFT START
VREF 1
VREF 2
VFM
±
+
±
+
±
+
DO
3
DI
2
SK
1
CS
5
GND
6
NC
7
NC
8
VCC
DATA
REGISTER
ADD
BUFFERS
INSTRUCTION
REGISTER
VPP
GENERATOR
VPP SW
DECODER
VTEF
EEPROM
1024BIT
64X16
R/W AMPS
&
AUTO ERASE
INSTRUCTION
DECODE
CONTROL
&
CLOCK
GENERATION
4