Hifi Schematic Diagram - Toshiba LC-MV14FL4 Service Manual

A B
8
7
6
5
4
3
2
1
A B
C
C5521 R5518
0.22 B 3.3K
C5514
0.1 F
R5512 HIFI AUDIO/H.AMP/DEM
2.7M
AN3662FBP
C5506 0.1 F
C5507 0.1 F
C5508 0.1 F
23
R5526 C5516
AUDIO_OUT_R R5503 10M
100 16V 10 KA
C5509
50V 2.2 KA
ST_SELECT
C5552
22
R5525
16V 10 KA
AUDIO_OUT_L
100
L5506
P.CON+9V
C5510
100uH
16V 47 KA
C5512
NORMAL_A
16V 10 KA
R5501 C5513
Y/C_AUDIO
15K 1/4W 0.1 F
R5502
10K
C5556
0.001 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE: THE DC VOLTAGE AT EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
C
D E

HIFI SCHEMATIC DIAGRAM

(SYSCON PCB)
C5561
100P
CH
C5560
100P
IC5501
CH
NC NC
2.2 2.1 3.9 0 2.4 1.8 0.3 0 5.2 0 0 1.8 0 2.6 0.7
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
DEM_BLK
ZZ-PROM
PILOT LOGIC
3.9
DET
INPUT MUTE VCO-F0
75uS
VCA CTL ADJ
SL
3.8 DE-EMPH
LOGIC
STEREO PLL
S/N
FILTER
LPF
5.4 SW12
L.R PNR RCH
DEMOD SW NOISE PB REC
SAP SW21
DEMOD
2.9
(L.R)/SAP
RCH
SW9
SWITCH VCO
AUDIO
4.6
MUTE FROM 1PIN LIMIT
REC LPF
R SW18
BS
2.0 PC PB LPF
HPF
AMP
SW19 HIFI
L
R NOISE
MIX
0 DET
RCH BPF
MUTE
SW16 FM UM
LINER
L SW10
1.8 SW
MIX LCH BPF
SW17
HIFI
AMP HOLD
L
4.5 R BS
TIMING
PC PB LPF
FROM 3PIN
RFC L
9.0
SAP MIX CURR
AUDIO
LIMIT AMP
-
NC DET SW14
SW22 R
4.6
SW4 -
NC
SW NOISE +
SW2
0.2 PNR LCH
DBX
NOISE REDUCTION S/N
2.6 MIX DET
SW15
L REC LPF
AGC
INPUT_SW(L)
1.1
MATRIX LCH VCO SW11
R
INPUT_SW(R)
0.7
VREF1
0.4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
2.6 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
NC NC
W930
D E
F G
FROM/TO I/O
AUDIO_OUT_L
AUDIO_OUT_R
FRONT_AUDIO_IN_L
FRONT_AUDIO_IN_R
REAR_AUDIO_IN_L
REAR_AUDIO_IN_R
2.6
33
C5540 0.015 B
2.6
NC
C5541 0.22 B FROM/TO SOUND AMP
2.6
AUDIO_OUT_R
AUDIO_OUT_L
2.0
D5501
V.REC_ST_H
FROM/TO CHROMA/IF
2.0
1SS133
HIFI_ENV
W855_1
TU2_AUDIO
3.9 C5549 0.1 F TU1_AUDIO
HIFI_H.SW
3.5
NC
C5542 0.1 F
HIFI_H.SW FROM/TO
0 TP5502 Y/C/A/H.AMP
5.3 NORMAL_A
C5543 0.01 F
Y/C_AUDIO
0 C5553
FSC
470PCH
HF1
0 C5554
470PCH
HF2
0.7
C5544
0.01 F
HF_COM
0
C5545 0.1 F
GND
2.7
C5551
C5546 0.015 B
H
2.6
0.33 B
L
C5547 16V 10 KA
2.6
L5505
C5548 16V 10 KA C5550
0.7 22uH
6.3V 47
FROM/TO POWER
0305
KA
16
2.6 P.CON+5V
P.CON+9V
GND
FROM/TO MICON
W948
V.REC_ST_H
HIFI_ENV
HIFI_H.SW
SCL
SDA
ST_SELECT
VCR_A_MUTE
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
F G
H
8
7
6
5
4
3
2
PCB010
1
VMA214
H