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MZ-NH600
4-9. SCHEMATIC DIAGRAM – MAIN Section (6/9) –
J1
J2
J3
J4
R258
2.2k
R257
1k
AOUTR
(Page 21)
AOUTL
R157
1k
R158
2.2k
R351
47
L351
0
J 5
H1
(Page 20)
• See page 28 for IC Block Diagram.
(Page 18)
(6/8)
R352
220k
C351
1
PW_SW
MT_TC
VCC1
C253
R251
R252
2.2
10k
2.2k
INB
HEADPHONE AMP
IC352
INA
TA2131FLG(EL)
C153
R151
R152
2.2
10k
2.2k
BEEP_OUTB
BEEP_
OUTA
VCC2
C352
C353
C154
C254
10
0.1
0.22
0.22
6.3V
R155
R255
10
10
C354
4.7
4V
Q351
2SC4738F-Y/GR
(TPL3)
REFERENCE
VOLTAGE SWITCH
R353
22k
R354
10k
VREF_IN
VREF
C356
10
LPF1
4V
BST_NF1
LPF2
BST_NF2
C355
2.2
BST_OUT
AGC_IN
(AEP,EE)
RMC_KEY
R261
22
R161
22
C160
220
R160
4V
*
C260
R260
220
*
4V
* R160,260
R156
R256
0
(E)
4.7k
4.7k
10
(AEP,EE)
C361
0.01
22
22
Q353
SI1410EDH-T1
R356
100k
S
−1
−2
Q352,353
B+ SWITCH
Q352
XP4314-TX
R358
2.2M
XRST2
WK_DET
REC_KEY
RMC_KEY
HALF_LOCK
XCS_PWR_IC
F351
0.25A
125V
R355
1M
FB355
FB354
0
FB353
FB357
LF301
D352
NNCD6.8H-T1
D151
02DZ2.4-Z(TPH3)
AOUTL
AOUTL
AOUTR
AOUTR
XHP_STBY
XHP_STBY
MUTE
MUTE
BEEP
BEEP
(Page 24)
XRST2
WK_DET
REC_KEY
RMC_KEY
HALF_LOCK
XCS_PWR_IC
(Page 23)
S_GND
GND
J352
RVDD
VB
C364
0.1
DTCK
KEY_R
STAT
RGND
D251
02DZ2.4-Z(TPH3)
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