Sony MZ-NH1 manual 31

MZ-NH1

6-10. SCHEMATIC DIAGRAM – MAIN Section (7/9) – • See page 36 for IC Block Diagram.

(7/9)

(Page 26)

I1

I2

O1

O2

BP352

N1

N2

N3

BP351

(Page 29)

	R354
FS512	0
D_EN1
D_EN2
D_ENREG

BEEP
DCLSOUTL	R363	0
DCLSOUTR	R364	0

R361	R360
10	0

C364

2.2

C361

47

6.3V

XMUTE

Q352

UN9113J-(TX).SO

MUTING

CONTROL

SWITCHING DRIVER,

HEADPHONE AMP

ENVG	ENREG	EN2	EN1	VDD	MCK	VSS
MODE_B						CL
BEEP_IN						CH
DIN2						VG	R351
			IC351				1k
DIN1						NC	C370
	CXD9811K(TE4)

F351

0.25A R355

D352

(Page 30)
Q1
(Page 33)
D_VREG0
D_VREG0
D_VCONT_PWM
D_VCONT_PWM
DCLSOUTR
DCLSOUTR
DCLSOUTL
DCLSOUTL
BEEP
BEEP
D_ENVG
D_ENVG
D_ENREG
D_ENREG
D_EN2
D_EN2
D_EN1	(Page 33)
D_EN1
FS512
FS512
XMUTE
XMUTE
WK_DET
WK_DET
REC_KEY
REC_KEY
RMC_KEY
RMC_KEY
HALF_LOCK
HALF_LOCK
FFCLR
FFCLR
XCS_PWR_IC	(Page 32)
XCS_PWR_IC

		1000p	1000p	2200p
TX-	TX-	C252	C152	C306

R357

0

					1
OUT_BEEP1				OUT_BEEP2
VSS0					VSS0
OUT1	VREG	VCONT	VREF		OUT2
VDD01 VREG0				CFB	VDD02

125V

RMC_DTCK

RMC_KEY

1M

DF8A6.8FK(TE85R)

FB355

FB354

FB353

MA2S111	MA2S111	1000p
D252	D152	C353	J351

/LINE OUT

RVDD

DTCK

KEY_R

R352

FB357

RGND

N4

N5

D_VCONT_PWM

R353

22k
R358		CL362					C154
0
					R356	L152	220
							2.5V
					0	47∝H
						L252
						47∝H
							C254
							220
3V	3V	3V	3V	3V	3V		2.5V

MUTEON

R154

2.2k

47k

C151 0.1

C251 0.1

Q351

NTHD4508NT1G

MUTING

S

-1

S

-2

FB351

FB151

FB251

N6

MZ-NH1

.6 47	.6 47	.6 47	.6 47	.6 47	1	2.2	.6 10	2.2	22.0	1	1.0	22.0	22.0	1.0
C355	C356	C357	C358	C359	C365	C360	C362	C354	C368	C367	C255	C253	C153	C155

R254		Q151
2.2k		2SC5585TL
	Q251
	2SC5585TL	Q151,251
C351		MUTING
0.47

C352	R251	R151
0.1	2.2k	2.2k

P1

(Page 32)

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