Hifi Schematic Diagram - Aiwa VX-S207 Service Manual

A B
8
7
6
5
4
3
2
1
A B
C D

HIFI SCHEMATIC DIAGRAM

C5521 R5518
0.22 B 2.7K
C5514
0.1 B
HIFI AUDIO/H.AMP/DEM
IC5501
AN3662FBP
2.2
48
C5506 0.1 B
DEM_BLK
3.9
C5507 0.1 B
3.8
5.4
C5508 0.1 B
2.9
C5516
H_AUDIO_OUT_R R5503 2.2M
4.6
16V 10 KA
C5509
2.0
50V 2.2 KA
0
ST_SELECT
1.8
C5552
H_AUDIO_OUT_L
4.5
16V 10 KA
L5506
W890
P.CON+9V
9.0
100uH
C5510
NC
16V 47 KA
4.6
NC
0.2
C5512
NORMAL_A
2.6
16V 10 KA
R5501 C5513
Y/C_AUDIO
1.1
18K 1/4W 0.1 B
0.7
R5502
0.4
5.6K
1
C5556
2.6
0.0022 B NC
S821Y S821X
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(SYSCON PWB)
NC NC
2.1 3.9 0 2.4 1.8 0.3 0 5.2 0 0 1.8 0 2.6 0.7 2.6
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
ZZ-PROM
PILOT LOGIC 2.6
DET
INPUT MUTE VCO-F0
75uS
VCA CTL ADJ
SL
DE-EMPH 2.6
LOGIC
PLL
STEREO
S/N
FILTER
LPF
SW12
2.0
L.R PNR RCH
SW NOISE PB REC
SAP DEMOD
SW21
DEMOD
2.0
(L.R)/SAP
SW9 RCH
SWITCH
VCO
AUDIO
3.9
FROM 1PIN
MUTE LIMIT
REC LPF
R SW18
BS
PC PB LPF 3.5
HPF
AMP
C5542 0.1 B
SW19 HIFI
L
R NOISE
MIX
DET 0
RCH BPF
MUTE
SW16 FM UM
LINER
L
SW10
SW 5.3
MIX LCH BPF
SW17
HIFI
AMP HOLD
L
R BS
TIMING 0
PC PB LPF
FROM 3PIN
RFC L
0
MIX
SAP AUDIO CURR
LIMIT AMP
-
DET SW14
R 0.7
SW22
SW4
-
SW NOISE +
SW2
0
PNR LCH
DBX C5545 0.1
NOISE REDUCTION S/N
MIX DET 2.7
SW15
C5546 0.015 B
H
REC LPF
L
AGC
INPUT_SW(L)
2.6
MATRIX LCH VCO SW11 C5547
L
R
INPUT_SW(R)
2.6
C5548
VREF1 0.7
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0.1 2.6 0.1 2.2 2.6 2.0 0.4 0 0.1 0 2.2 2.6 0 0.1 2.6
NC
W946
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
E
I-11
F G
FROM/TO I/O
FRONT_A_IN_R
FRONT_A_IN_L
REAR_A_IN_R
HIFI ENV REAR_A_IN_L
TP5501
C5540 0.015 B
H_AUDIO_OUT_R
H_AUDIO_OUT_L
C5541 0.22 B
D5501
V.REC_ST_H
1SS133
HIFI_ENV
FROM CHROMA/IF
C5549 0.01 B
TU.A.OUT_1
HIFI_H.SW
TP5502
HIFI_H.SW
FROM/TO
Y/C/A/H.AMP
C5543 0.01 B
HF1
FSC
Y/C_AUDIO
HF2
C5544 0.01 B
HF_COM
C5551
B
NORMAL_A
0.01 B
GND[HIFI]
L5505
C5550
P.CON+5V
16V 10 KA
100uH
6.3V KA
47
16V 10 KA
FROM POWER
P.CON+9V
GND
FROM/TO MICON
V.REC_ST_H
HIFI_ENV
HIFI_H.SW
SCL
SDA
ST_SELECT
VCR_A_MUTE
PWB010
VMX177
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
F G
H
8
7
6
5
4
3
2
1
H