Teac CX-225iDAB Service Manual page 22

CX-225iDAB/MC-DX450iDAB
1 2
A
FUNCTION IC
C551
AUX_L
1/50V
C552
USB/IPOD_L
1/50V
C553
DAB_L
1/50V
TUNER_L
L CH
C555
CD_L
1/50V
1 2 3 4 5 6 7 8 9
B
NJU7391V
32 31 30 29 28 27 26 25 24
C556
CD_R
1/50V
TUNER_R
C558
DAB_R
1/50V
C559
R CH
USB/IPOD_R
GND
1/50V
+ST5V
C560
AUX_R
Q507
1/50V A107ST
C
Q508
HP_MUTE -12V
C107S
GND
JK51
6
5
4
L-CH
2
R-CH
3
R543
7 HP_IN
1K
8
9 GND
D
1
GND
HEADPHONE
CH_GND GND
JK21
6
GND
5
4
AUX-L
R544 1K
2
AUX-R
R545 1K
3
R553
7
AUX_IN
1K
8
9
1
AUX IN
GND
GND GND GND GND
GND
CH_GND
E
MAIN PCB
3
FUNCTION / POWER PART
NJU7391V
C565
4.7/50V
GND
GND
R503 33
F_V_DATA
R504 33
F_V_CLK
10 11 12 13 14 15 16
5
IC51
CVINJU7391V
23 22 21 20 19 18 17
R505
F_V_LATCH -12V
GND 4
+F9V
33
GND
GND
GND 4.7/50V
C566
HEADPHONE AMP
R551
100
KTD1304T KTD1304T
Q505 Q509
R541 R549
2.2K 2.2K
GND
GND GND
KTD1304T KTD1304T
Q506 Q510
R542 R550
2.2K 2.2K
R536
56
GND
R552 R538
100 56
HEADPHONE OUTPUT
GND
R599 N.C
AUX_L
AUX_R R600 N.C
MGND
4 5
Q504
F_MUTE
C107ST
GND
R511 C568
0 10/50V
+12V
C510
GND
N.C
6 7 8
- GND
CM2
+
+
CM1
-
IC52
BA4560RF
3 2 1
GND
C511
N.C
R512 C569
0
10/50V
GND
IC53
A NJM4556AL B
- -
HP_R
1 2 3 4 5 6 7 8
C517
220P
R528 100
C516
R525 100
220P
-12V +12V
R529 R533
91K 91K
C512 C513
56P
56P
GND GND
GND
GND
+MAIN5V
L CH
GND
GND
+MAIN5V
R CH
C600
C167
0.1uF 0.1uF
+ACC5V +ACC5V
IC56
MGND CHGND OUT VCC
GND
GND CHGND
3 1
R799
GND
0
4
R798
0
GND
GND CHGND
6 7
+ST5V
Q503
A107ST
MAIN OUTPUT
-12V
R514 R518
220 220
KTD1304T KTD1304T
Q501 Q511
R516 R520
2.2K 2.2K
GND
KTD1304T KTD1304T
Q502 Q512
R517 R521
2.2K 2.2K
R519
R515
220 220
HP_L
MAIN POWER
STANDBY +5V
+F9V
+ST3.3V
+12V
+F9V
IC59
3 1
OUT IN
COMMON
2
GND
GND
+M8V
GND
+M8V
IC57 CVIMCDX40ZA
+12V
7805 7808
3 1 6 4
OUT IN OUT IN
GND GND
2 5
-12V
GND
GND
-12V
GND
CX-225iDAB/MC-DX450iDAB
Micro Hi-Fi System
8
L_OUT
L_OUT
GND
R_OUT
R_OUT
JK13
SW UNIT
1 L_OUT
+ST5V
2 +ST5V
3.3V
3 SP_ON
IC55
4 GND
2 3 5 +12V
Out In
PWR_CTL
6
7 +12V
1
8 R_OUT
9 GND
10
GND
GND 11 M+12V
GND
12 MGND
13 -12V
13
SUBWOOFER
8
6
UNIT
4
3
L_OUT
1
PWR_CTL
14
SP_ON
2
R_OUT
5
7
9
M+12V
10
11
12
GND
JK13
CJJ6L001Z
MGND
13P DIN JACK