Sony MZ-NH600 Service Manual page 28

Portable minidisc recorder
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MZ-NH600
• IC Block Diagrams
IC301 AK5356VN-L
21
20
19
18
17
16
15
MICR 22
MVDD 23
CONTROL
MVSS 24
REGISTER
INTERFACE
MVCM
25
VCOM
MRF 26
MIC POWER
SUPPLY
MPWR 27
LIN 28
A/D
INTERFACE
CONVERTER
CONTROLLER
VCOM
1
2
3
4
5
6
C352 TA2131FLG (EL)
18
17
16
15
14
13
PW
MT
BST
BEEP
VREF
V REF
12
SW
SW
SW
11
LPF1
MT TC
19
VCC1
20
ADD
INB
21
10
BST NF1
BST1
INA
22
9
LPF2
BEEP
PW
PW
BST2
23
8
BST NF2
OUTB
A
B
7
BST OUT
BEEP
24
OUTA
BST
AGC
1
2
3
4
5
6
RESET
14
PDN
13
CSN
12
CCLK
11
CDTI
10
LRCK
9
MCLK
8
BCLK
AUDIO
7
IC401 MM1655NCBE
24
23
BAT– 25
RF1 26
IAMP_CAL 27
AMP_SEL 28
I_CTL2 29
CHG_SW1 30
BAT+ 31
VO 32
SWITCHING
SWITCHING
CHARGE
CONTROL
CONTROL
RECEIVER
ON/OFF
+
VREF
1
2
28
28
22
21
20
19
18 17
A/D
CONVERTER
+ –
+ –
+ –
VREF
VREF
TIME
OSC
DIVIDER
DET
COMPARATOR
CIRCUIT
BLOCK
CHARGE CONTROL
ON/OFF
ERROR LED
CONTROL
CHARGE SWITCH
WAKE-UP
CONTROL
CONTROL
3
4
5
6
7
16
TYPE2
15
CFB
14
IAMP_CTL
13
A7CAL_SW
12
IN1–
11
TYPE1
10
WDT
9
LED_CTL
8
PWR_WAKE

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