Toshiba MW14F52 Service Manual page 75

A B
8
7
6
5
4
3
2
1
A B
G-19
C
Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM
C5511
0.1 B
C5507
R5504
3.3K
50V 0.22 KA
R5523
Hi-Fi/AUDIO/HEAD AMP/DEM IC
1M
R5503
3.9M
C5505
C5509
0.1 F
16V 47 KA
C5513
L5502_1 0.1 B
P.CON+5V_A
22uH 0305
C5506 C5510
0.1 B 0.1 B
C5514
AUDIO_OUT_R
35V 22 YK C5512
50V 2.2 KA
ST_SELECT
C5515
AUDIO_OUT_L
35V 22 YK
D5501 L5501
P.CON+12V
C5501
11EQS04N 100uH
0.1 B
C5502
C5508
16V 47 KA
NORMAL_A
50V 10 KA
R5501
Y/C_AUDIO
1.2K
R5502
330
C5503
0.047 B
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E
(VCR MT PCB)
IC5501
AN3663FBP
4.7 NC 0
2.2 0 3.5 2.1 2.3 4.7 0 4.9 0 1.6 2.4
0
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
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
MIX
RCH BPF
AN3672FBP
1.2 MUTE
SW16 FM UM
L
SW10
MIX LCH BPF
4.3
SW17 HIFI
AMP
L
R BS
PC PB LPF
11.0 FROM 3PIN
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
L REC LPF
AGC
INPUT_SW(L)
0.1 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 NC 0 2.0 2.2 0
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
FROM IN/OUT
FRONT_A_IN_R
0.7 2.4
FRONT_A_IN_L
34 33
TUNER_AUDIO
2.4 C5550 0.015 B
GND
C5551
2.1
HIFI ENV.
50V 0.22 KA 33
TP5501
1.8
NC
D5502
REC
1.8 V.REC_ST_H
1SS133
1.8
HIFI_ENV
C5556 0.01 B
2.5 HIFI_H.SW
HPF
C5549 0.1 F 34
0
NOISE
DET C5557 0.1 B
L5503
4.9
P.CON+5V_A
FROM/TO Y/C/AUDIO/HEAD AMP
LINER
C5559
SW
22uH
C5560
0.6 6.3V 47 KA 0305
HF2
HOLD
TIMING
0.01 F
0
GND
CURR
C5558 0.01 F
AMP
0.7
- HF1
-
0
+ HF_COM
C5552 0.1 B FSC
0
Y/C_AUDIO
SW15
C5553 0.015 B
H 2.4
NORMAL_A
SW11 C5554 50V 10 KA
L
2.4
C5555_1 25V 10 KA FROM REGULATOR
0.7
P.CON+5V_A
15 16
P.CON+12V
0 2.4
NC
GND
FROM/TO MICON
V.REC_ST_H
HIFI_ENV
HIFI_H.SW
VCR_A_MUTE
SCL
SDA
ST_SELECT
GND
FROM/TO DVD IN/OUT
DVD_A_OUT_L
DVD_A_OUT_R
AUDIO_OUT_L
AUDIO_OUT_R
GND
F G
H
8
7
6
5
4
3
2
PCB010
DME033
1
H
G-20