Toshiba MW20FP1C Service Manual page 74

A B
8
7
6
P.CON+5V_A
AUDIO_OUT_R
5
ST_SELECT
AUDIO_OUT_L
P.CON+12V
NORMAL_A
Y/C_AUDIO
4
3
2
1
A B
G-19
C
HIFI/DEMODULATOR SCHEMATIC DIAGRAM
C5511
0.1 B
C5507
R5504
3.3K
50V 0.22 YK
R5523
HI-FI/AUDIO/HEAD AMP/DEM IC
C5504 1M
IC5501
AN3663FBP
0.1 B R5503
3.9M
C5505_1
C5509
3.4
0.1 F
16V 47 KA
C5513
2.7
L5502_1 0.1 B
4.9
22uH 0305
C5506 C5510
2.5
0.1 B 0.1 B
C5514
4.2
35V 22 YK
C5512 R5522
2.3
1K
50V 2.2 YK
1.2
C5515
4.3
35V 22 YK
D5501 L5501
11.0
C5501
11EQS04N 100uH
4.3
0.1 B
C5502 1.0
NC
C5508
16V 47 YK 2.4
50V 10 YK
R5501 C5517
2.3
1.2K 1/4W 0.1 B
R5502
2.2
330
0.6
C5503
0.047 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(VCR PCB)
NC
2.2 0 3.5 2.1 2.3 4.7 4.7 0 4.9 0 0 1.6 0 2.4 0.7 2.4
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
DEM_BLK
ZZ-PROM
LOGIC
4.5M CUE AM 95HMz MUTE VCO-F0
TRAP BPF DEMOD BPF CTL ADJ
LOGIC
SUB SUB 3.5M S/N
COMP
BPF DET VCO
SW12
PNR RCH
SW NOISE PB REC
MAIN FM LOGIC
SW21
DEEN DEMOD
RCH
SW9
SUB DEEN
MATRIX VCO
AUDIO
MUTE FROM 1PIN LIMIT
OUTPUT SW REC LPF
LOG
R SW18
AMP R L BS
AMP
PC PB LPF HPF
AMP
SW19 HIFI
0
J L
R NOISE
MIX
DET
AN3672FBP RCH BPF
MUTE
SW16 FM UM
LINER
L
SW10
SW
MIX LCH BPF
SW17 HIFI
AMP HOLD
L
R BS
TIMING
PC PB LPF
FROM 3PIN
RFC
CURR
AUDIO
LIMIT AMP
NC -
DET SW14
SW4
-
SW2
SW NOISE +
SW22 L PNR LCH
MIX
S/N
MIX DET
R SW15
H
REC LPF
L
AGC
INPUT_SW(L)
LCH VCO SW11
L
R
INPUT_SW(R)
VREF1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
2.3 0 2.3 0 2.2 2.4 2.1 0.5 0 0 0 2.0 2.2 0 0 2.4
NOTE:THE DC VOLTAGE EACH PART WAS
D E
F G
FROM IN/OUT
FRONT_A_IN_R
FRONT_A_IN_L
REAR_A_IN_R
REAR_A_IN_L
FROM DIGITAL COMB FILTER
C5550
2.4
0.015 B C5551
TUNER_AUDIO
2.1
HIFI ENV.
50V 0.22 YK
1.8 TP5501
NC
D5502
1.8 V.REC_ST_H
1SS133
1.8
HIFI_ENV
C5556 0.01 B
20
2.5 HIFI_H.SW
C5549 0.1 F
0
C5557 0.1 B
L5503
4.9 FROM/TO Y/C/AUDIO/HEAD AMP
P.CON+5V_A
22uH
C5560
0.6 0305
HF2
C5566 C5559
0.01 F
0 82P CH
6.3V 47 KA
C5565 C5558 0.01 F
0.7
HF1
82P CH
0
HF_COM
C5552 0.1 B FSC
0
Y/C_AUDIO
C5553 0.015 B
2.4
NORMAL_A
C5554 50V 10 YK
2.4
C5555_2
0.7
FROM REGULATOR1
25V 10 KA
P.CON+5V_A
P.CON+12V
FROM/TO MICON
V.REC_ST_H
HIFI_ENV
HIFI_H.SW
VCR_A_MUTE
SCL
SDA
ST_SELECT
FROM/TO DVD IN/OUT
DVD_A_OUT_L
DVD_A_OUT_R
AUDIO_OUT_L
AUDIO_OUT_R
FROM/TO TV POWER
GND
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F G
H
8
7
6
5
4
3
2
PCB010
VMC293
1
H
G-20