Schematic Diagram - Main Board (6/9) - Sony mz-dh10p Service Manual

MZ-DH10P
6-9. SCHEMATIC DIAGRAM – MAIN Board (6/9) –
(6/9)
N1
N2
N3
R354
0
FS512
D_EN1
D_EN2
D_ENREG
BEEP
DCLSOUTL
(Page 29)
DCLSOUTR
R357
0
D_VCONT_PWM
N4
N5
N6
MZ-DH10P
• See page 24 for Waveforms. • See page 38 for IC Block Diagrams.
R361
10
C364
2.2
C361
47
6.3V
SWITCHING DRIVER,
HEADPHONE AMP
ENVG VSS
MODE_B CL
BEEP_IN CH
R363 0
DIN2 VG
R364 0 IC351
DIN1 CXD9811K(TE4) NC
OUT_BEEP1 OUT_BEEP2
VSS0 VSS0
OUT1 OUT2
VDD01 VDD02
R353
22k
R358
0
(Page 26)
R360
0
XMUTE
Q352
RT1P441U-TP-1
MUTING
CONTROL
R351
0
F351
C370 R355
0.25A
1
125V
RMC_DTCK
RMC_KEY
R352
47k
MUTEON
C154
220
R356 L152
2.5V
0 47µH
L252
47µH
C254 R154
220 0
2.5V
R254
0
2SK354700LS0
S
Q251
Q151,251
2SK354700LS0
R365 MUTING
1M
30 30
D_VCONT_PWM
DCLSOUTR
DCLSOUTL
BEEP
D_ENVG
D_ENREG
D_EN2
D_EN1
FS512
XMUTE
WK_DET
XSTILL
RMC_KEY
HALF_LOCK
FFCLR
XCS_PWR_IC
C904
1000p
C371
1000p
D352
1M
DF8A6.8FK(TE85R)
FB355
FB354
FB353
FB357
C151 0.1
C251 0.1
Q351
NTHD4508NT1G R255 R155
0 0
MUTING
S
-1
S
-2
Q151 S
C352 R251 R151
0.1 2.2k 2.2k
S1
(Page 28)
Q1
(Page 32)
VC1
D_VCONT_PWM
DCLSOUTR
DCLSOUTL
BEEP
D_ENVG
D_ENREG
D_EN2
(Page 32)
D_EN1
FS512
XMUTE
WK_DET
XSTILL
RMC_KEY
HALF_LOCK
FFCLR
(Page 31)
XCS_PWR_IC
J351
/LINE OUT
RVDD
DTCK
KEY_R
RGND
FB351
FB151
FB251
P1
(Page 31)