Toshiba MW20F52 Service Manual page 77

A B
8
7
6
5
4
3
2
1
A B
G-21
C D
Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM
C5511
0.1
B
C5507
R5504
0.22 3.3K
50V YK
R5523
Hi-Fi/AUDIO/HEAD AMP/DEM IC
1M
C5504
0.1 B R5503
3.9M
C5505
C5509
0.1 F
16V 47 KA
C5513
0.1
L5502_1
P.CON+5V
22uH 0305
C5506 C5510
0.1 B 0.1 B
C5514
AUDIO_OUT_R
35V 22 YK
C5512
50V 2.2
YK
ST_SELECT
C5515
AUDIO_OUT_L
35V
D5501 L5501
P.CON+12V
C5501
11EQS04TA1B2 100uH
0.1 B
C5502
16V 47 YK
C5508
NORMAL_A
50V 10 YK
R5501
Y/C_AUDIO
1.2K 1/4W 0.1
R5502
330
C5503
0.047 B
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C D
E
(VCR PCB)
IC5501
AN3663FBP
NC
2.2 0 3.5 2.1 2.3 4.7 4.7 0 4.9 0 0 1.6 0 2.4
48 47 46 45 44 43 42 41 40 39 38 37 36 35
3.4
DEM_BLK
ZZ-PROM
LOGIC
2.7 4.5M CUE AM 95HMz MUTE VCO-F0
TRAP BPF DEMOD BPF CTL ADJ
B
LOGIC
4.9
SUB SUB 3.5M S/N
COMP
BPF DET VCO
SW12
PNR RCH
SW NOISE PB
2.5 MAIN FM LOGIC
SW21
DEEN DEMOD
RCH
4.2 SW9
SUB DEEN
MATRIX VCO
AUDIO
MUTE FROM 1PIN LIMIT
R5522 OUTPUT SW REC LPF
2.3 LOG
R SW18
AMP R L BS
AMP
PC PB LPF
1K
AMP
SW19 HIFI
0
J L
R NOISE
MIX
AN3672FBP RCH BPF
1.2 MUTE
SW16 FM UM
L
SW10
MIX LCH BPF
4.3
SW17 HIFI
AMP
L
R BS
22 YK
PC PB LPF
FROM 3PIN
11.0
RFC
AUDIO
4.3
LIMIT
NC
DET SW14
SW4
1.0
SW2
SW NOISE
NC
SW22 L PNR LCH
MIX
2.4
S/N
MIX DET
R
C5517
2.3
REC LPF
L
AGC
INPUT_SW(L)
B
LCH VCO
2.2 R
INPUT_SW(R)
0.6
VREF1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
2.3 0 2.3 0 2.2 2.4 2.1 0.5 0 0 0 2.0 2.2 0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
W909
FROM IN/OUT
FRONT_A_IN_R
FRONT_A_IN_L
REAR_A_IN_R
0.7 2.4
34 33 REAR_A_IN_L
2.4 C5550 0.015 B
FROM DIGITAL COMB/FILTER
C5551
2.1
HIFI ENV.
50V 0.22 YK
TP5501 TUNER_AUDIO
1.8
NC
D5502
REC
1.8 V.REC_ST_H
1SS133
1.8
HIFI_ENV
C5556 0.01 B
20
2.5 HIFI_H.SW
HPF
C5549 0.1 F
0
0.1 B
DET C5557
L5503
FROM/TO Y/C/AUDIO/HEAD AMP
4.9 P.CON+5V
LINER
C5559
SW
22uH 0305
C5560
6.3V 47 KA
0.6
HF2
HOLD
TIMING
0.01 F
0
CURR
C5558
AMP 0.7
- HF1
C5565 0.01 F
-
82P
CH
+ HF_COM
0
C5552 0.1 B FSC
0
Y/C_AUDIO
SW15
C5553 0.015 B
H 2.4
NORMAL_A
SW11 C5554 50V 10 YK
L
2.4
FROM REGULATOR
C5555_1
0.7
25V 10 KA
P.CON+5V
15 16
0 2.4 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
F G
H
8
7
6
5
4
3
2
PCB010
DME069
1
H
G-22