TEAC R2 Service Manual - Page 21

Power Pcb

Page 21 highlights

POWER PCB C201 4.7/50 R201 470 JK201 PHONE JACK JK202 AUX JACK CW201 NTC 3 BAT+ 2 TS 1 BAT- BATTERY PACK C202 4.7/50 R202 470 L201 22uH MOS202 R228 1M Q206 2SC945 IRFU9024 / MTP2955V C206 104 R227 10K R223 1M IC205 LP2950 VIN +5V GND C204 100/25 Q203 2SA733 R225 47K R204 560 Q204 2SC945 R222 560K R205 27K C203 220/25 R224 47K Q201 2SA733 R203 560 Q202 2SC945 1 OUT 8 IN 2 7 SENSE FB 3 SHUTDNTAB 6 5 GND ERROR IC203 LP2951 4 IC204 LP2950 VIN +5V GND C217 100/25 R218 C216 104 1%W OHM Q208 2SB772 ! R221 1M MOS201 IRFU9024 / MTP2955V R219 1M C211 104 Q209 2SC945 R209 82K R210 2K2 R206 1K5 R208 1K5 Q210 2SC945 R211 1K5 IC201 F9444 1 8 VSS VDD 2 7 p10 p00 L202 R212 3K9 1% D202 SS12 Q207 2SC945 D203 D204 1N4148 1N4148 D205 1N4002 R213 165K 1 % R216 30K R220 1M C210 104 ! D206 ! SS12 D207 1N4002 3 6 p11 p01 4 5 p12 p02 C212 100/25 IC202 LP2950 +5V VIN R207 100K ZD201 HZ5C2 C215 104 L203 100uH C213 4.7/50 C214 104 R214 33K 1% R215 10K GND C209 2200/25 TO MAIN PCB TO TUNER PCB C205 100/25 R226 10K Q205 2SA733 R217 3K3 D208 1N4148 D201 1N4002 CW204 1 L/R IN 2 EQ LI 3 PH LI 4 PH RI 5 EQ RI 6 A-GND CN203 18 +5V-1 17 RI AU X 16 L IA U X 15 TU-VCC 14 GND 13 +5V-2 12 RECN2-A 11 RECN2-B 10 RECN1-A 9 RECN1-B 8 POW/C 7 TU/C 6 KEY1 5 KEY0 4 ADPT 3 LED 2 I N LE D 1 VB CN202 1 RECN2-B 2 RECN2-A 3 RECN1-B 4 RECN1-A 5 GND 6 KEY0 7 KEY1 8 VCC LED CW202 1 VCC 2 GND JK203 TO CONTROL PCB TOMAIN PCB C208 104 C207 100/25 R-2 AM/FM RECEIVER

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BATTERY PACK
!
POWER PCB
!
!
TU/C
POW/C
JK202
AUX
JACK
JK201
PHONE
JACK
L201
22uH
AU X
LI
AU X
RI
R203
560
R204
560
TU-VCC
C204
100/25
C217
100/25
+5V
VIN
GND
IC204
LP2950
KEY1
KEY0
RECN1-A
RECN2-A
RECN1-B
RECN2-B
+5V-2
GND
KEY1
KEY0
RECN1-A
RECN2-A
GND
RECN1-B
RECN2-B
ADPT
R201
470
C202
4.7/50
R202
470
C201
4.7/50
VCC
BAT-
BAT+
TS
NTC
3
2
1
CW201
R213
165K 1%
R217
3K3
R212
3K9 1%
Q209
2SC945
R215
10K
D205
1N4002
D202 SS12
D204
1N4148
D203
1N4148
R218
1
OHM
1
W
1%
R221
1M
R214
33K 1%
Q210
2SC945
Q208
2SB772
MOS201
IRFU9024 /
R220
1M
R219
1M
D201
1N4002
C207
100/25
C209 2200/25
C210
104
R216
30K
JK203
1
2
3
4
5
6
7
8
VSS
p10
p11
p12
p01
p00
VDD
p02
IC201
F9444
R207
100K
C214
104
R208
1K5
R211
1K5
R206
1K5
R209
82K
R210
2K2
C212
100/25
D207
1N4002
D206
SS12
C208
104
C216
104
C211
104
ZD201
HZ5C2
D208
1N4148
GND
VB
LED
IN
LED
6
5
4
3
2
1
C205
100/25
+5V-1
1
2
CW202
VIN
+5V
GND
IC202
LP2950
Q207
2SC945
5
4
3
2
1
10
9
8
7
6
11
12
13
14
15
16
17
18
CN203
Q202
2SC945
Q201
2SA733
R224
47K
Q203
2SA733
Q204
2SC945
R225
47K
+5V
VIN
GND
IC205
LP2950
Q205
2SA733
R226
10K
6
5
4
3
2
1
8
7
CN202
1
2
3
4
5
6
7
8
IN
FB
TAB
ERROR
OUT
SENSE
SHUTDN
GND
IC203
LP2951
C215
104
MOS202
MTP2955V
Q206
2SC945
R228
1M
R227
10K
R222
560K
R223
1M
R205
27K
C203
220/25
C206
104
L202
L203
100uH
C213
4.7/50
AM/FM RECEIVER
R-2
TO TUNER PCB
VCC LED
TO CONTROL PCB
TOMAIN PCB
TO MAIN PCB
L/R IN
EQ LI
PH LI
PH RI
EQ RI
A-GND
CW204
IRFU9024 /
MTP2955V