Sony MZ-NH1 Service Manual page 36

MZ-NH1
• 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
C351 CXD9811K
21 20 19 18 17 16
CHARGE BEEP
PUMP AMP
LINE AMP
(P-N)
LEVEL
PRE
SHIFTER
DRIVER
HEADPHONE AMP
(N-N)
VSS 22
HEADPHONE AMP
(N-N)
LEVEL
MCK 23 PRE
SHIFTER
DRIVER
VDD 24 LINE AMP
(P-N)
EN1
25
EN2 26
ENREG 27
LEVEL LEVEL LEVEL BEEP
SHIFTER SHIFTER SHIFTER AMP
ENVG 28
1 2 3 4 5 6
MZ-NH1
RESET 14 PDN
13
CSN
12 CCLK
11 CDTI
10 LRCK
9 MCLK
8
BCLK
AUDIO
7
15
14 VDDO2
13 CFB
12 VREF
11 VCONT
10 VREG
9 VREGO
8 VDDO1
7
IC401 MM1655LCBE
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
36 36
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