Sony MZ-RH910 Service Manual page 36

MZ-RH910
• 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
IC302 XC6219B212MR
IC471 XC6219B242MR
VCC
VIN 1
+
CURRENT
LIMIT
–
VOLTAGE
VSS 2
REFERENCE
VCC
ON/OFF
CE 3
CONTROL
MZ-RH910
RESET 14 PDN
13 CSN
12
CCLK
11 CDTI
10 LRCK
9 MCLK
8 BCLK
AUDIO
7
5 VOUT
4 NC
IC351 NJU8716AV (TE2)
VREGO 1
CFB 2
VG 3
VREF 4
VSS 5
LOW VOLTAGE
REGULATOR
DETECTOR VDD
MCK 6 LEVEL SHIFTER
VDD 7
PRE
DRIVER
IN2 8 LEVEL SHIFTER
LEVEL SHIFTER PRE
DRIVER
LEVEL SHIFTER
IC401 MM1690NCBE
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
16 VREG
LOW VOLTAGE
DETECTOR VRGO
15 VDD2
HEADPHONE
AMP (P–N)
14 OUT2
13 VSSO
12 VSSO
11 OUT1
HEADPHONE
AMP (P–N)
10 VDD1
9 IN1
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