Schematic Diagram - Charger Board - Sony MDR-NC500D Servise Manual

5-9.

SCHEMATIC DIAGRAM - CHARGER Board -

SP101
(L-CH)
MIC131
MONITOR
(L-CH)
MIC101
NOISE DETECT
(L-CH)
LED CHARGE KATHODE
LED CHARGE ANODE
AUDIO IN L
AUDIO IN R
AUDIO IN GND
JACK
BOARD
DC GND
HOUSING
PLATE
MDR-NC500D
• See Page 22 for IC Block Diagrams.
TP187
TP188
TP136
TP137
TP107
TP108
R401
DC IN
330k
DC IN
Q401
XP162A11C0PR
DC/DC CONVERTER
CN402
8P
TP401
(EXCEPT US,CND,JE) C400
0.01
TP412
DC/DC
CONVERTER
D402
RB051L-40
C403
TP402 0.047
R420 R423
0 0
R421
100k
VOLTAGE VOLTAGE
DETECT DETECT
IC404
IC403
XC61GN5002HR
XC61GN3002HR
• See page 23 for IC Pin Function Description.
L401
S 22µH
C404 R402 C408
10p 1M 0.1
C423 R403
0.01 270k
TH401
(US,CND,JE)
C406
R404 C405 100
C421
15k 0.1 10V
0.0022
D403
RB051L-40
R424
100k
R426 R427 R429
470k 100k 100k
R428
4 1 100k 4
2 5 2
Q403
3 6 3
IMX9
Q402
SWITCH
DTC115TE
R430
INVERTER
22k
21 21
C131
4700p
C101
4700p
R411 R412 R413
100k 100k 1.5k
C412
R419 C411
R410 C410 22
100k 10
1.5k 0.1 10V
16V
C413
C409
0.47
0.1
IC402
BQ24070RHLRG4
R414
4.7k
R416
C415 C417
22k
10 C416 10
16V 0.1 16V
R415 C414 R417
33k 0.1 47k
R432
100
R434
0
R435 47k
VOLTAGE
1
DETECT
5
R431
Q404
6 22k
IMX9
Q405
SWITCH
IC405 DTC144EUA
XC61GN3302HR
SWITCHING
Note: IC402 on the CHARGER board cannot exchange with single. When this part on the CHARGER board is dam-
aged, exchange the entire mounted board.
MDR-NC500D
D/U(+) TP185
D/U(-) TP186
MIC(FF)SIG TP134
MIC(FF)GND TP135
MIC(FB)SIG TP105
MIC(FB)GND TP106
U-CON TP836
SOUND(L) TP163
(Page 17)
SOUND(R) TP263
SOUND(GND) TP363
VDD TP411
TP406
GND
CN403
TP403
2P
1 BATT101
LITHIUM ION
2
BATTERY
3.7V 1,260mAh
POWER/CHARGE
CONTROL
C418
0.1