2-10
BVW-55
IC
AM29F040B-120JC (AMD)
AN3920S (MATSUSHITA)
AN3920S-E2
10
RF
11
ALD
RF (R-CH)
IN
6H HIGH
IN
+
12 dB HIGH
IN
VAR
IN
RF
OUT
ENVE
OUT
ENVE DET
OUT
RF
IN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
RF (L-CH)
IN
H SW
IN
MM1
IN
AH SW
OUT
MM2
IN
S/H
OUT
DO DET
OUT
LINEAR HIGH
OUT
ALD
IN
GND
GND
V
CC
VTR FM AUDIO RF AMP
—TOP VIEW—
INPUT
ALD
H SW
MM1, MM2
VAR
OUTPUT
AHSW
DO DET
ENVE
ENVE DET
: AUTO LINEAR DETECT
: HOLD SWITCH
: MONO MULTI
: VARIABLE AMP CONTROL
: AUDIO HOLD SWITCH
: DROP OUT DETECT
: ENVELOPE
: ENVELOPE DETECTOR
RF AMP
GAIN SW
RF AMP
GAIN SW
TRIGGER1
DROP OUT DETECTION
AUTO LINEAR
ENVELOPE AMP
TRIGGER2
TRIGGER3
BUFF
VARIABLE
AMP CONTROL
x
2
MM1
MM2
OR
FF
6
RF
14
S/H
13
DO
DET
8
ENVE
9
ENVE
DET
12
LINEAR
HIGH
16
AH SW
2
RF (R-CH)
20
SW3
RF (L-CH)
17
MM1
3
6H HIGH
4
+
12 dB HIGH
18
H SW
5
VAR
15
MM2
RA SIG
IN
H AMP
IN
H CONT
IN
HOLD
OUT
SW NR
IN
SW NR
OUT
1/2 V
CC
H.PULSE
IN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCO OSC CONT
IN
VCO CAP
VCO CAP
VCO FREQ ADJ
FM MOD
OUT
FM DEMOD
OUT
FM DEMOD CONT
IN
REC/PB CONT
IN
PB RF SIG
IN
V
CC
VTR, FM AUDIO MODULATOR AND DEMODULATOR
—TOP VIEW—
INPUT
FM DEMOD CONT
H AMP
H CONT
H PULSE
PB RF SIG
RA SIG
REC/PB CONT
VCO FREQ ADJ
VCO OSC CONT
OUTPUT
FM DEMOD
FM MOD
INPUT/OUTPUT
SW NR
OTHERS
VCO CAP
: FM DEMODULATION CONTROL
: HOLD AMP
: HOLD CONTROL
: HOLD PULSE
: PB RF SIGNAL
: REC AUDIO SIGNAL
: REC/PB CONTROL
: VCO FREQUENCY ADJUSTMENT
: VCO OSCILLATION CONTROL
: FM DEMODULATION
: FM MODULATION
: SWITCH NOISE REDUCTION
: VCO CAPACITOR
GND
(AUDIO)
GND
(RF)
VCO
AMP
BUFFER
BUFFER
F.F
RA SIG
1
AMP
HOLD
H AMP
2
H CONT
3
SW NR
7
H PULSE
10
3 MHz OSC
CONTROL
RF
LIMITER
NOISE
REDUCTION
PB
CONTROL
REC/PB
CONTROL
VCO OSC
CONT
20
FM DEMOD
CONT
13
FM MOD
16
FM DEMOD
14
REC/PB CONT
12
HOLD
5
SW NR
8
PB RF SIG
11
<AUDIO BLOCK>
<RF BLOCK>
17
18
19
VCO
FREQ
ADJ
VCO
CAP
AN3922NS (MATSUSHITA)
AN3922NS-E2
PIN
No.
I/O
SIGNAL
PIN
No.
I/O
SIGNAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
V
DD
V
DD
I
I
I
I
I
I
I
I
I
I
—
GND
I
I
I
—
I
I
I
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
GND
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
CE
A10
OE
A11
A8
A13
A14
A17
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
CE
OE
WE
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
22
24
31
13
14
15
17
18
19
20
21
WE
A18
I
A9
I
30
1
A17
A18
INPUT
A0 - A18
CE
OE
WE
INPUT/OUTPUT
DQ0 - DQ7
: ADDRESS INPUTS
: CHIP ENABLE
: OUTPUT ENABLE
: WRITE ENABLE
: DATA INPUT/OUTPUT
C-MOS 4 M (524,288
x
8)-BIT FLASH MEMORY
—TOP VIEW—
Содержание BVW-55
Страница 1: ...VIDEOCASSETTE RECORDER BVW 55 MAINTENANCE MANUAL Part 1 1st Edition Serial No 10001 and Higher ...
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Страница 150: ...Printed in Japan Sony Corporation 1999 3 08 Broadcasting Professional Systems Company 1999 BVW 55 UC E 3 202 213 01 1 ...
Страница 151: ...VIDEOCASSETTE RECORDER BVW 55 MAINTENANCE MANUAL Part 2 Volume 1 1st Edition Serial No 10001 and Higher ...
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Страница 169: ...1 9 BVW 55 P2 1 2 Fixtures and Adjustment Equipment List 1 2 3 4 5 6 7 8 9 d l s d l ...
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Страница 386: ...Printed in Japan Sony Corporation 1999 7 08 Broadcasting Professional Systems Company 1999 BVW 55 UC E 9 967 828 01 ...
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Страница 396: ...1 2 BVW 55 ...
Страница 407: ...1 13 BVW 55 Bottom Side of Mechanical Deck 407 407 411 410 404 405 404 405 401 402 403 404 405 403 406 409 408 ...
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Страница 909: ...5 27 b BVW 55 5 27 b CN101 CN301 CN302 CN303 CN901 MB 838 B SIDE SUFFIX 12 MB 838 MB 838 ...
Страница 911: ...5 27 a BVW 55 5 27 a CN101 CN301 CN302 CN303 CN901 MB 838 B SIDE SUFFIX 11 MB 838 MB 838 ...
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Страница 942: ...Printed in Japan Sony Corporation 1999 7 08 Broadcasting Professional Systems Company 1999 BVW 55 J UC J E 9 967 829 01 ...