Sony NHF800 service manual HN58X2564FPIEZ

MZ-NH700/NHF800

IC892		HN58X2564FPIEZ
		HIGH VOLTAGE
XCS	1	GENERATOR			8	VCC
SDO	2
XWP	3		X DECODER
		MEMORY		GENERATOR
		ARRAY			7	XHOLD
					CONTROL
					LOGIC
			DECODER	ADDRESS
		Y SELECT &
VSS	4	SENSE AMP
			Y		6	SCL
		SERIAL-PARALLEL			5	SDI
		CONVERTER

IC901

SC901584EPR2

REGI3

REGO3

REGC3

MUTEON

DW 2B

DW 2T

VC2

VCIN

VCO2

VO2

L2

L2

PGND2 PGND2

XRST2

CRST2

48

47

46

45

44 43

42

41

40

39

38 37 36 35

34

33

RESET 2

SERIAL

VC2

RST2

PASS

POWER

STEP

REGULATOR 3

SWITCH 2

UP-DOWN

VC2

REGC2

49

RST2

DRIVER

REG2G

50

SERIAL

MUTING

VREF

REF2

BUFFER

REGO2

51

PASS

PWM

REGULATOR 2

REGI2

52

32

DTC2

REGC1

53

VREF

SERIAL

RST1

REGO1

54

REF2

PASS

31

RF2

REGULATOR 1

MUTE ON

REGI1

55

SEQSEL

RST2

30

INM2

29

VGSEL1

28

VGSEL2

VB

VG SELECT, VG DUTY

27

VB

GND

56

VREF0

VC

26

PGND3

BANDGAP

STEP UP

25

LG

VREF

57

START UP

24

VG

REFERENCE

DC/DC CONVERTER

CLK

23

C1L

REF1

REF2 REF3 REF4

REF5

VREF0

VC

REF1

22

INM1

VREF

21

RF1

REF DAC

RST1

20

DTC1

DATA

58

LVB

RST1

DRIVER

STRB

59

PWM

19

XRST1ADJ

REF1

CLK

60

18

CRST1

VC

WDT

61

CONTROL

VREF

VC

STEP

SEQSEL

62

RESET 1

17

XRST1

UP-DOWN

VREF

CLK

63

RST2

DRIVER

SLEEP

64

POWER

FFCLR

VC

SWITCH 1

1

2

3

4

5

6

7

8

9

10

11

12

13 14 15 16

FFCLR

XWK4

XWK3

XWK2

XWK1

VRMC

LVB

HVB

VTSB

VC1

VCO1

VO1

L1

L1 PGND1

PGND1

39