Diagrams; Block Diagrams; Circuit Boards Location - Sony TRINITRON KV-VF21M40 Service Manual

MA10
SECTION 5
CN702
GND 4
RF SWP 3
CHECK
CONNECTOR
PB RF 2

DIAGRAMS

REC CUR 1
CN701
HIFI CH2 F 1

5-1. BLOCK DIAGRAMS

HIFI CH2
HIFI CH2 S 2
SP CH1 F 3
SP CH1
SP CH1 S 4
HIFI CH1 F 5
HIFI CH1
HIFI CH1 S 6
VIDEO BLOCK
SP CH2 F 7
SP CH2
SP SH2 S 8
CN1004
GND (A) 6
NC 5
PB AL
AL OUT 4
FOR JIG PB V
V OUT 3
2
FACT MODE
SWP 1
J101
V
L
FROM IC001
$¶, ,$ª
$
CN002
TU AL(REC) 1
TU V(REC) 2
RE LINE L 3
RE LINE Y 4
NC 5
TO
B RE LINE C 6
A BOARD
TU AL(TV) 7
CN303
TU V(TV) 8
NC 9
TV C 10
GND(A) 11
TV Y 12
TV V 13
J1102
HEADPHONE
CN251
SP L OUT 1
SP
GND(SP) 2
GND(SP) 3
– 105 –
SYSTEM CONTROL,MAIN MICON,
VCR SERVO,AUDIO OUT,Y/C PROCESS,
AUDIO PROCESS,VIDEO•AFM REC/PB AMP
V FM AMP V FM AMP
BUFF
Q803 Q808
Q812
IC701 VIDEO REC/PB AMP
JOG SW
30 REC CUR
Q809
BUFF V FM BUFF
3 PB VIDEO PB RF 22
Q701 Q801
2 SW(REC)
5 PB VIDEO
6 SW(REC)
Y/C MIX
4 REC VIDEO REC RF 28
Q815
RF SWP 17
COMP SYNC 18
LOGIC
DATA 19
CLOCK 20
26 RF ENV
IC901 A/V SW
VCR L 39
BUFF
8
Q1101 FR V
10
FR Y
9 FR AL VCR V 40 BUFF
Q901
PB AL 46
BUFF
PB V 47
Q830
27 SDA 1
26
SCL 1 60 66 1
80 SO1
81 SCK1
SW P
50 SW POS
FF10
EJECT SW,
LED CN1301 CN004
V BUFF 33 9 D 5V D 5V 9
TV V
Q902
8 LED 6 LED 6 8
FUNCTION
7 LED 5 LED 5 7
LED
6 LED 4 LED 4 6
5 LED 3 LED 3 5
4 LED 2 LED 2 4
D1303-D1308
3 LED 1 LED 1 3
16 RE AL
2 EJECT EJECT 2
15 RE V
1 GND A GND A 1
S1301
EJECT
22 RU AL(TV) TV L 30
23 RU V(TV)
FACT MODE
K1
FUNCTION KEY MATRIX K2
K3
S1102-S1109
K4
IC201 AUDIO OUT
D +5V
IC003 RESET
14 OUT
I O
TV(L) 5
MUTE
BUFF SVRR 7
Q201
Q002
VOL 3
INV.
MUTE 10
Q001
CN1001
3 GND(AV)
2 NC
1 FE HEAD
IC802 Y/C PROCESS IC801 1H DELAY
17 V PB IN 60/50 41 6 CONT 2
CN1002
Y OUT 42 5 Y IN Y OUT 7
21 TRICK HIGH OUT 6 CTL(X)
NT+2FSC 43 11 CONT 1 5 CTL(Y)
4 A ERASE HEAD
C OUT1 50 1 C IN1 C OUT 13
15 V PB 3 GND(AV)
C OUT2 48 3 C IN2
2 A HEAD REC
CLK 10
OSC 59 1 A HEAD PB
X801
4.43MHz
OSC 60
20 V SUB PB
OSC 56
X802
18 Y REC
3.58MHz
OSC 55 CLK BUFF
14 C REC
Q823
C BUFF
C IN 52
Q825
66 RF SWP
37 COMP SYNC Y BUFF
Y IN 40
Q824
BUFF
REC/PB SIG. 25 72 70 84
Q821 T1001
BIAS OSC TRANS.
1 6
CLAMP IN 26
5
OSC 3 4
AUDIO OUT(REC) 5
Q1001
BIAS SW
BIAS SW 6 IC1001
Q1002
AUDIO HEAD SW
3 2
77 AL OUT
5
79 NOR AU
4
A-H SW 80
64 SDA
63 SCL AUDIO IN(PB) 7
IC405
IC404 CTL AMP
CTL AMP
1 OUT1 -VIN 1 2 3 OUT1 +VIN 1 1 7 REC CTL
REC COUNT
77
67 PB CTL
5 -VIN 2 OUT2 7
SW 5 CTL HYS/HIGHT
Q402
73 VCR AL IN
42 XTAL
ACK OUT 62
X430
16MHz
43 EXTAL
30 VCR V IN SECAM/S VHS D 65
S451
REC PRF
MUTE CTL 70
17 C IN
38 VCR V OUT QVD 33
28 30 4 49 55 79 10
1C402 SYSTEM CONTROL
23 24 25 26
11 44 40 46 45 47
X001
8.38MHz
28 29 7 14 15 23 24 25
51 LED 2
52 LED 1
IC1101
SIRCS
OUT 2 20 SIRCS
17 FACT
K2
34 KEY1
K3
33 KEY2
K4
30 RESET
S001 D1119 D1118
IC001 MAIN -COM
38 G SW
D1117
A
11 GP A
B
12 GP B
C
13 GP C
64 SP MUTE
54 VOL
31 A MUTE
22 H SYNC 0
MUTE
Q009
– 106 –
CN1003
1 D 5.8V
2 GND(A)
FULL 3 SW 5V
ERASE 4 SW 9V
HEAD D
5 GND(M)
6 MTR 13.2V
TO
A BOARD
7 VCC(SP) CN302
8 GND(SP)
CTL HEAD
CAPSTAN MOTOR
AUDIO
ERASE HEAD
AUDIO
REC/PB HEAD
CAPSTAN
CAP FG
FG
AMP SENSOR
IC1
CAPSTAN
MOTOR DRIVE
14
M902
M
15 CAPSTAN
MOTOR
CN403
16
1 SW 5V 1
U(+)
2 CAP RVS 2 32 FRC 1
IC403(1/2) CAP FG U(-)
3 3 2
CAP MOTOR D/A AMP V(+)
REF HALL
4 4 3
V(-) DRIVE
CAP DA 73 2 -V IN1 OUT1 1 5 CAP VS 5 22 VS 4
LIM W(+)
6 6 21 LIMIT 5
W(-)
7 MTR 13V 7 6
CAP STOP 34 GND(M)
8 8
GND(A)
STEP PLS 99 9 9
LED DRIVE
T/S LED 35
Q451
Q452
TAKE-UP D451
END SENSOR T/S
T SENS 61 LED
IC1 DRUM MOTOR DRIVE
OUTPUT
S SENS 62
D +5V M901
Q453
DRUM
SUPPLY MOTOR
END SENSOR
M
OUTPUT
HALL
IC403(2/2)DROM D/A AMP MATRIX
DEVICE
CN401
DRA DA 74 6 -V IN2 OUT2 7 7 D VS
7
6 GND(M) 6
5 D FG 5 DRUM FG
DRM FG 69
4 MTR 12V 4
DRM PG 68 3 D PG 3
DRUM PG
2 GND(A) 2
1 SW 5V 1 DRUM MOTOR
IC401
CAM MOTOR DRIVE
CN404 M903
LOADING MOTOR
CAM LOAD 8 3 CAM1 CAM(-) 2 1 CAM(-) 1
M
CAM UNLOAD 9 4 CAM2 CAM(+) 10 2 CAM(+)Ł 2
3 CAM(+) 3
S401
MODE 4 19 1 MODE 4 1
ROTARY
MODE 3 20 2 MODE 3 2
SWITCH
MODE 2 21 3 MODE 2 3
MECHA
MODE 1 22
4 MODE 1 4
POSITION
5 GND(A) 5
T REEL FG
T REEL FG 64
PH452
S REEL FG
S REEL FG 63
PH451
IC002 N.V.M.
SDA0 48 5 SDA
SCL0 50 6 CLK
SDA1 47 TO
IC901
SCL1 49
@§, ,@¶
CN001
1TU/2TU 18 1 1TU/2TU/NI
2 S SEL R
RST Q 3 3 AFT1/RST Q
AFT0 36 4 AFT 0(TV)
OSD R 41 5 OSD R
OSD G 42 6 OSD G
OSD B 43 7 OSD B
OVP 37 8 OVP
YS 45 9 YM/YS
TO
A
DGC 5 10 DGC A BOARD
11 SDA1 CN301
12 SCL1
BINT 27 1 13 B INT
NS 53 14 NS
V PULSE 60 15 V PLS
16 H PLS
CRT POW 61 17 CRT PWR
VCR POW 62 18 VCR PWR
19 VM SW
VM SW 10
M SW 36 20 RELAY IN
21 RELAY OUT
INV S1101
H PULSE 59
Q003 POWER

5-2. CIRCUIT BOARDS LOCATION

CV
FF10
F
MA10
A
– 107 –