Ada-61A/61B (Bkma-513) (1/2 - Sony MAV-555A Maintenance Manual

BKMA-513 (SY) : S/N 10001 and Higher
CN1300
CN-2178 A9 COMPOSITE-IN
CN1300
CN-2179 A7 CH1 XIN
CN-2179 B7 CH1 YIN
CN1300
CN-2179 A5 CH2 XIN
CN-2179 B5 CH2 YIN
CN1300
CN-2179 A3 CH3 XIN
CN-2179 B3 CH3 YIN
CN1300
CN-2179 A1 CH4 XIN
CN-2179 B1 CH4 YIN
CN1300
CN-2178 A11 COMPOSITE A OUT1
IC519
CN1300
CN-2178 B11 COMPOSITE B OUT1 DRIVER

ADA-61A/61B (BKMA-513) (1/2)

IC102
Q100 FL100 IC103 IC106
CLAMP
LPF
BUFF-
& VCA AMP
5.75MHz
ER
BUFFER
AGC
BUFF &
PEDESTAL
SW
IC113,115,122 CLAMP ERROR
IC102
SYNC TIMING
DELEY SYNC,LINE SYNC
SEP GENERATOR
INPUT CF,CF OFFSET MANUAL LEVEL, AGC LEVEL
IC301,304 IC302 IC306 IC308 IC306
GAIN SELECT EMPHASIS HR SELECT
VCA
AMP AMP AMP
A/D
CONVERTER
TP300
IC300
REC GAIN
DC AMP
IC351,354 IC352 IC356 IC358
GAIN SELECT EMPHASIS HR SELECT
VCA
AMP AMP AMP
TP350
IC350
REC GAIN
DC AMP
IC401,404 IC402 IC406 IC408 IC406
GAIN SELECT EMPHASIS HR SELECT
VCA
AMP AMP AMP
A/D
CONVERTER
TP400
IC400
REC GAIN
DC AMP
IC451,454 IC452 IC456 IC458
GAIN SELECT EMPHASIS HR SELECT
VCA
AMP AMP AMP
TP450
IC450
2/2 CPU CK,STRB,SYS0,1BUSY
REC GAIN
DC AMP
2/2 VIDEO OUT LEVEL2
IC518 IC512 FL500 IC502
LPF
COMPOSITE
DRIVER AMP
6MHz
ENCODER
IC514
PEDESTAL
S/H
IC522
CLUMP
PULSE GEN
IC514
IC509,511,513
CHAR1 SIG SIF TRE
CHARACTER
8 SIF CS,CMD,CK,HSYNC,CSYNC,RESET,EVEN,13.5MCLK
GENERATOR
CHAR1 FRAME
ADA-61A/61B (BKMA-513) (1/2)
IC123
IC109 IC200
10BIT
AD I
COMPOSITE
A/D
10 DECODER
CONVERTER
IC111,114
SYNC &
PEDESTAL
LEVEL S/H
PEDESTAL
CPU CK,STRB,SYS0,1BUSY
5
CS
AD AUD 1/2,3/4
IC1100 (1/2)
CPU
CPU CK,STRB,SYS0,1BUSY 5
I/F
DIN,EA0,1
IC1107
CLK,CS 5
VIDEO
ELECTRIC
VR DOUT
DIN,EA0,1
IC1110
CLK,CS 5
AUDIO
ELECTRIC
DOUT
VR
CPU CK, STRB
SYS0,1BUSY
VIDEO OUT LEVEL1
D0-9,HV,VD,CF,PR
CS
IC516
X500,501
8FSC
PLL
7-4 7-4
IC209
X200,201
8FSC
VCO
IC216
X202
27MHz
PLL
IC1200,IC1201
15
15
BUFF-
ER
ADA CLK,D0-9 2/2
IC1202
BUFF- 2
ER
OE
AD AUD 1/2 2/2
AD AUD 3/4 2/2
IC1214
8 8
BUFF-
ER
IC1215
8 8
BUFF-
ER
CPU DIR
CPU ENAR
IC1216
5 5
BUFF-
ER
IC128,129
15
BUFF-
ER
AD/DA converter
ADA-61A/61B (BKMA-513) (1/2)
CN1301
ADA CLK, PR, CF, HD, VD B15-19 DPR-189
CN1301
ADA D0-9 DE16-19 DPR-189
CN1301
ADA AUD 1/2,3/4 A18,19 DPR-189
CN1302
CPU A0-7 D21,22 6-11 DM-127
CN1302
CPU D0-7 B21,22 6-11 DM-127
CN1302
CLK ,CS,RE,WE,RE A8,9,21,22,E23 DM-127
CN1301
DA CLK,RF,CF,HD,VD A8,9,21,22,E23 DPR-189
MAV-555A