Magnavox 19MDTR20 - Dvd-video Player, Service Manual

Page: 21 / 399

CONTROL
HEAD
CL1402
AC HEAD ASSEMBLY
MAIN CBA
POWER SUPPLY / AV CBA
RF-SW
T-REEL
DV-SYNC
C-SYNC
C-SYNC
V-ENV
CTL(+)
D1224 S-LED
D1204 REC
D1216 DVD
D1217
TV/VCR
Q1210
Q1211
Q1207
P-ON+5V
REC-LED
KEY0
RS1201
REMOTE
SENSOR
KEY1
DVD-H
TV/VCR-LED
RESET
ROTA
D-REC-H
D-REC-H
REC-SAFETY
A-MUTE
SCL
REMOTE
SDA
A-MUTE
CTL(-)
RF-SW
DV-SYNC
V-ENV
ROTA
IC1201
(SERVO/SYSTEM CONTROL)
AL+5V
AL+5V
94
95
80
34
18
15
10
13
74
33
8
44
65
72
CTL-AMP-OUT
DVD-REMOTE
97
CTL-AMP-OUT
TP1201
(DECK
ASSEMBLY
)
Servo/System Control Block Diagram
BLOCK DIAGRAMS <TV/VCR Section>
T-REEL
Q1206
Q1205
RESET TIMER+5V
ST/SAP-MODE
4
NORMAL-H
22
28
EXT-H 29
RENTAL 30
SPL-PLAY
SP/LP/SLP
EXT-H
RENTAL
SPL-PLAY
32
REC/EE/PB
REC/EE/PB
27
VOL-CONT
VOL-CONT
11
EXT-H
A-MUTE
JACK-MUTE
JACK-MUTE
DVD-MAIN-POWER
67
SW1211
REC
SAFETY
FROM/TO
VIDEO BLOCK
FROM/TO
AUDIO BLOCK
FROM/TO
Hi-Fi AUDIO
BLOCK
1-5-1 1-5-2 TD857BLS
SCL
(MEMORY)
SDA
6
5
P-DOWN 84
P-ON-H
P-DOWN
P-ON-H
31
LD-SW 1
I 2 C-OPEN 45
71
AL+5V
SW1212
LD-SW
CS 7
FROM/TO
POWER
SUPPLY BLOCK
SDA
SCL
FROM/TO
CHROMA
BLOCK
IC1202
WF3
ENV-DET 17
V-H-SW
ENV-DET
V-H-SW
16
SDA
SCL
Hi-Fi-H-SW
ST/SAP-IN
NORMAL-H
DVD-MAIN-POWER
Hi-Fi-H-SW 19
26
48
21
DVD-H
DVD-A-MUTE
42
5 KEY SWITCH
SW1201 SW1203,
SW1206 SW1210
5 5 KEY1
CN2805
CN2803
CN1805
KEY SWITCH
SW2401 SW2408
14
25
12 SDATA 12 20 SDATA
FROM/TO
DVD SYSTEM
CONTROL
/SERVO BLOCK
<DVD SECTION>
CN401
CN2402
6
CN1804
13 SCLK
14 CS
15
DVD-REMOTE
M
1 P-ON+12V
5 C-CONT
6 FG-GND
7 LD-CONT
CAPSTAN
MOTOR
CAPSTAN MOTOR
P-ON+5V
D/L+15V
P-ON+12V
10 M-GND
11 D/L+12V
9 D-PFG
12 D/L+15V
END-SENS.
Q201
SENSOR CBA
(END-SENSOR)
ST-SENS.
Q202
SENSOR CBA
(ST-SENSOR)
21 SCLK
18 CS
22 DVD-REMOTE
52
51
50
SDATA
SCLK
CS
69 DVD-A-MUTE
5 CTL(+)
6 CTL(-)
8 D-CONT
4 C-F/R
3 C-FG
2 P-ON+5V(3)
66
87
76
82
77
90
C-F/R
C-FG
C-CONT
LD-CONT
D-CONT
D-PFG
CL1201
M
LOADING
MOTOR
CYLINDER ASSEMBLY
M
DRUM
MOTOR
PG
SENSOR
9
7 ST-SENS.
END-SENS.
13
14
15
AFT
AFT
D-REC-H
SP/LP/SLP
FUNCTION CBA
Q2621
Q2622
Q2623
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.