Schematic Diagram - Main Section (3/7) - Sony Walkman MZ-RH1 Service Manual

6-6. SCHEMATIC DIAGRAM – MAIN Section (3/7) –
CN441
7P
(USB)
CL441 (VBUS 5V)
CL442
CL443
CL444
CL445 (VBUS GND)
CL446
CL447
(CHASSIS)
LITHIUM ION W401 (BATT+)
RECHARGEBLE
W402 (BATT-)
BATTERY
(LIP-4WM)
1PC. 3.7V/370mAh
MZ-RH1
See page 36 for IC Block Diagrams.
(3/7)
Q441,442 Q441
R444
RTQ035P02TR
VBUS LIMITTER 220
C442
0.047
Q442
R442 RT3WLMM-TP-1F
10k
-1-2
FB4401
TP441
R441 D442
220k MA8056-L-TX
FB4402
TP445
TP446
FB4442
TP447
R4441
C4441 0
2200p
R4442
0
TP401
TP402
Q401
MTM232230LS0
CHARGE SWITCH
S
CL448
R447
1M
R445
VBUS_MON
100k
R448
470k
C412
0.1
R446
2.2M
UDM
CL425
R409
CL426
2.2k
IAMP_CAL
UDP
I_SEL1 CL429
R428
2.2k
CHARGE CONTROL
S401
BATTERY INSERT R404
0.022
DETECT
R403
1
R401
1M
R402
0.47
Q402
D401 2SD1119-Q-TX
NSR0320MW2T1G
CHARGE CONTROL
27 27
R410
2.2k
DTC144EET1
CURRENT LIMITTER
CL424
R411
100k
BAT- TYPE2
RF1 CFB
CL414
IAMP_CAL IAMP_CTL
CL413
IC401
AMP_SEL A7CAL_SW
MM1690LCBE
R414 0
I_CTL2 IN1-
CSP
CHG_SW1 TYPE1
(Chip Size Package)
C415 0.1
BAT+ WDT
LED_
VO
CTL
CL408
R405 2.2k
R406 0
R407
S
100k
Q404
MTM232230LS0
Q404,405
USB CHANGE ON/OFF
R408
100k
MZ-RH1
(Page 26)
C1
E5
(Page 30)
Q406
IAMP_CTL
IAMP_CAL
VB_MON
E1
E2
CHG_PWM
CL433
CHG_CTL USB_CHARGE
E3
E4
-1
-2
Q405
(Page 28)
MUN5314DW1T1G
E6