FUNAI DRV-A2621, Service Manual

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1-11-1
BLOCK DIAGRAMS
Servo/System Control Block Diagram
E9700BLS
M
LOADING MOTOR
CAPSTAN MOTOR
CONTR
OL
HEAD
5
CTL(+)
6
CTL(-) CN504
ACE HEAD ASSEMBLY
MAIN CBA
KEY- 1
ST-S T-REEL CTL(+) RESET PG-DELAY CTL(-)
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
END-S
94 95 10
4
80 34
2
7
REMOCON-IN
14
(DECK ASSEMBLY)
T-REEL
Q515 RESET
Q506
S-REEL
79
SW-POINT
AL+5V
VR501
TIMER+5V
S-REEL
PS502
TP502
KEY- 2
8
IIC-BUS SDA IIC-BUS SDA
IIC-BUS SCL
AUDIO-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
VCR-AUDIO-MUTE
Hi-Fi-H-SW
A-MODE
H-A-COMP
V-ENV
VIDEO-SW1 OUTPUT-SELECT
IIC-BUS SCL
IIC-BUS SDA
OUTPUT-SELECT
22 82 23
VIDEO-SW2
VIDEO-SW1
24
VIDEO-SW2 VIDEO-SW3 IIC-BUS SCL IIC-BUS SCL DVD-AUDIO-MUTE RGB-THROUGH OUTPUT-SELECT RGB-THROUGH OUTPUT-SELECT
VIDEO-SW3
27
RGB-THROUGH
29
DVD-AUDIO-MUTE
TO VIDEO BLOCK DIAGRAM
TO VIDEO INPUT SELECT BLOCK DIAGRAM TO VIDEO OUTPUT SELECT BLOCK DIAGRAM TO AUDIO INPUT/OUTPUT SELECT BLOCK DIAGRAM
TO Hi-Fi AUDIO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM
33
POWER-SW
22
POWER-LED
CN508
D671
CN671
AL+5V
AL+5V
POWER SW CBA
11
OPEN/CLOSE-SW
22
DUBBING-SW
CN510
CN681
FUNCTION CBA
86 19 83
DRV-DATA
POWER-LED
DVD-LED VCR-LED
1G 7G
a
i
68
DRV-CLK
70
DRV-STB
DRV-DATA DRV-CLK DRV-STB
69
7
1 3 2
20 28 42 36
8 9
IIC-BUS SCL
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
IIC-BUS SDA
H-A-COMP
V-ENV
C-SYNC
C-SYNC
IIC-BUS SCL
LD-SW
9
AL+5V
SW507 LD-SW
AL+5V
D555 S-LED
TP501
RM1501
SENS-INH
IC501 (SERVO/SYSTEM CONTROL)
IC601
(DVD MICRO CONTROLLER)
IC612 (FIP DRIVER)
AUDIO-MUTE-2
AUDIO-MUTE-2
28
SENSOR CBA SENSOR CBA
DVD MAIN CBA
END-S
ST-S
Q504 Q503
REC-SAF-SW
31
SW506
AL+5V
REC-SAFETY
REMOTE SENSOR
END-S
CTL
97
TP503
CTL
POWER
SW671
POWER
DVD VCR
FL601
GRID SEGMENT
FIP
D502 D503
SW681 SW682
OPEN/CLOSE DUBBING
CN502
C-FG C-CONT D-PFG
C-F/R
90
76
87 78
SYSTEM-RESET S-DATA-OUT S-DATA-IN
65 63 66
READY/BUSY S-CLOCK
SYS-RESET
SUB-TXD
SUB-RXD
RDY
SUB-SCLK
64
67
Y2 A2 V7 U8 H2
LM-FWD/REV
81
D-CONT
77
3
C-FG
4
C-F/R
5
C-CONT
7
LM-FWD/REV
8
D-CONT
9
D-PFG CN1502
CN601
30
SYS-RESET
29
SUB-RXD
27
SUB-TXD
25
SUB-SCLK
28
30 29 27 25 28
RDY
58
6
17 16 13 15 18 33 71 72
VCR KEY SWITCH
DVD KEY SWITCH
CYLINDER ASSEMBLY
DRUM MOTOR
PG SENSOR
M
M
CAPSTAN MOTOR
MOTOR DRIVE CIRCUIT
Q517 Q516
Comparison Char
t of
Models & Marks
Model
Mark
DR
V
-A2621
DR
V
-A2677
DR
V
-A2631
DR
V
-B2737
A B C D
DAVN-L
56
DAVN-L
B,D