Sony Walkman MZ-RH1 - Page 36

MZ-RH1
3636
MZ-RH1
IC351 AK5356VN-L
17 OBEEP2
MODEB
1
BEEPIN 2
LEVEL
SHIFTER
18 CVG
20 CG
19 vG
BEEP
AMP
5OBEEP1
BEEP
AMP
7OUT1
8
VDD1
10
VREG
11
VCONT
13
CFB
12
VREF
9
VREGO
14
VDD2
22
VSS
6VSS 16 VSS
25
EN1
26
EN2
27
ENREG
28
EN3
HP PRE
DRIVER
HP AMP
(N-N)
15 OUT2
HP PRE
DRIVER
HP AMP
(N-N)
21 TRIG
DIN2 3
LEVEL
SHIFTER
DIN1 4
LINE/ECO
PRE DRIVER
LINE/ECO
AMP (P-N)
LINE/ECO
PRE DRIVER
LINE/ECO
AMP (P-N)
LEVEL
SHIFTER
LEVEL
SHIFTER
LOW VOLTAGE
DETECTOR
LEVEL
SHIFTER
CONTROL LOGIC
REGULATOR
23
MCK
24
VDD
LIN
28
A/D
CONVERTER
AUDIO
INTERFACE
CONTROLLER
CDTI
11
SDTO
MICL PREOL PRENL PREL PRER PRENR PREOR
7
RIN
1
VCOM
2
AVDD
3
AVSS
4
DVSS
5
DVDD
6
CSN
13
CCLK
12
LRCK
10
MCLK
9
BCLK
8
CONTROL
REGISTER
INTERFACE
MIC POWER
SUPPLY
PDNRESET
14
17 16 1518192021
MPWR
27
MRF
26
MVSS
24
MVDD
23
MICR
22
MVCM VCOM
VCOM
25
VREF
+
–
+–
+–
+–
A/D
CONVERTER
A/D
VREF
VREF
A7CAL_SW
13
WDT
10
LED_CTL
9
IAMP_CTL
14
CFB
15
TYPE1
11
BAT+
31
CHG_SW1
30
I_CTL2
29
BAT–
25
RF1
26
IAMP_CAL
27
AMP_SEL
28
VO
32
22
I_CTL3
23
RS
24
I_CTL1
20
I_SEL
18
AD_SEL
17
VI
6
CHG_SW2
5
VI_CTL
4
PWT
3
VG
2
VI2
1
GND
21
PGND
19
SWITCHING
CIRCUIT
TIME
DIVIDER
ERROR LED
CONTROL
OSC
DET
COMPARATOR
BLOCK
IN1–
12
CHG_CTL
7
PWR_WAKE
8
TYPE2
16
CHARGE CONTROL
ON/OFF
CHARGE SWITCH
CONTROL
CHARGE
CONTROL
ON/OFF
CONTROL
RECEIVER
WAKE-UP
CONTROL
SWITCHING
IC401 MM1690LCBE
• IC Block Diagrams
– MAIN Board –
IC301 CXD9847K (TE4)