Block Diagrams - Toshiba D-VR40SF Service Manual

Servo/System Control Block Diagram
(DECK ASSEMBLY)
ACE HEAD ASSEMBLY
CONTROL
HEAD
Q504
BOARD SENSOR
ST-S
Q503
BOARD SENSOR
END-S
IC101
DVD MAIN BOARD
(MAIN MICRO CONTROLLER)
SYS-RESET
SYS-RESET
IC106
P-ON+1.2V VI+1.2V
+1.2V
REGULATOR
CLK 27 OUT
CYLINDER ASSEMBLY
PG
SENSOR
DRUM
M
MOTOR
M
LOADING
MOTOR
IIC-BUS SDA
IIC-BUS SCL
OUTPUT-SELECT
TO VIDEO
VIDEO-SW1
INPUT SELECT
VIDEO-SW2
BLOCK DIAGRAM
VIDEO-SW3
DAVN-L
RGB-THROUGH
TO VIDEO
I/P-SW
OUTPUT SELECT
OUTPUT-SELECT
BLOCK DIAGRAM
DVD-AUDIO-MUTE2
DVD-SCART-AUDIO-MUTE
TO AUDIO
OUTPUT-SELECT
INPUT/OUTPUT
IIC-BUS SDA
SELECT
BLOCK DIAGRAM IIC-BUS SCL
DVD-AUDIO-MUTE2

BLOCK DIAGRAMS

SW507
LD-SW
CN504 AL+5V
5 CTL(+)
6 CTL(-)
AL+5V
TP502
END-S
Q506 PS502
D555
T-REEL S-REEL
S-LED
TIMER+5V
T4 CN701 CN1502
J25 4 SYS-RESET 4
SUB-RXD N23 1 SUB-RXD 1
SUB-TXD N24 3 SUB-TXD 3
SUB-SCLK L25 5 SUB-SCLK 5
RDY R24 2 RDY 2
X802
27MHz
CLK 27 IN N2
X'TAL
N1
CN101 CN1501
30 1V2CONT 30
CAPSTAN MOTOR
CN502
3 C-FG
4 C-F/R
MOTOR 5 C-CONT
DRIVE
7 LM-FWD/REV
CIRCUIT
8 D-CONT
9 D-PFG
CAPSTAN
M
MOTOR
VR501
SW-POINT
IC501
BOARD MAIN (SERVO/SYSTEM CONTROL)
9 LD-SW
95 CTL(+)
94 CTL(-)
KEY- 2 8
10 ST-S
KEY- 1
4 END-S
80 T-REEL
REMOCON-IN 14
79 S-REEL
REC-SAF-SW 31
Q515
RESET 34 RESET
63 SYSTEM-RESET
Q518 Q519
89 DVD-POW-SAFETY
Q517
66 S-DATA-IN
65 S-DATA-OUT
67 S-CLOCK
Q516
64
READY/BUSY
25 REG-CONT2
87 C-FG
78 C-F/R
DRV-DATA
76 C-CONT
DRV-CLK 70
81
LM-FWD/REV
DRV-STB
77 D-CONT
90 D-PFG
VCR-AUDIO-MUTE
AL+5V TP503
97 CTL
CTL
2 PG-DELAY
Hi-Fi-H-SW
A-MODE
AUDIO-MUTE-2 28
IIC-BUS SDA
IIC-BUS SCL
82 OUTPUT-SELECT
D-REC-H
22 VIDEO-SW1
RF-SW
23 VIDEO-SW2
C-ROTA
24 VIDEO-SW3
D-V-SYNC
56 DAVN-L
H-A-SW
27 RGB-THROUGH
H-A-COMP
20 I/P-SW
V-ENV
26 DVD-AUDIO-MUTE
C-SYNC
29 DVD-AUDIO-MUTE2
TRICK-H
30 DVD-SCART
-AUDIO-MUTE SECAM-H
1-12-1
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
CN510 CN681
1 OPEN/CLOSE-SW 1
2 DUBBING-SW 2
TP501
DVD KEY SWITCH SENS-INH
7
RM1501
VCR KEY
REMOTE
SWITCH
SENSOR
CN508 CN671
2 POWER-SW 2
AL+5V
3 POWER-LED 3
SW506
REC-SAFETY
IC612
(FIP DRIVER)
POWER-LED 1
DVD-LED 3
VCR-LED 2
FL601
1G 42
GRID
36
7G
a 20
68 7 DRV-DIN SEGMENT
28
i
8 DRV-CLK
69 9 DRV-STB IIC-BUS SDA
IIC-BUS SCL
AUDIO-MUTE-H
83
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
19
A-MODE
86
AUDIO-MUTE-2
IIC-BUS SDA
72
IIC-BUS SCL
71
D-REC-H
33
RF-SW
18
C-ROTA
15
D-V-SYNC
13
H-A-SW
16
H-A-COMP
17
V-ENV
6
C-SYNC
58
TRICK-H
62
SECAM-H
61
D-VR40-S-TF
SW681 OPEN/CLOSE
DUBBING
SW682
BOARD FUNCTION
SW673 POWER
D673 POWER
AL+5V
BOARD POWER SWITCH
AL+5V
D502 DVD
D503 VCR
FIP
TO AUDIO
BLOCK DIAGRAM
TO Hi-Fi AUDIO
BLOCK DIAGRAM
TO VIDEO
BLOCK DIAGRAM
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