Diagrams; Circuit Boards Location - Sony TRINITRON KV-VF14M70 Service Manual

SECTION 5
CN702
GND
RF SWP
CHECK

DIAGRAMS

CONNECTOR PB RF
REC CUR
CN701
HIFI CH2 F
5-1. BLOCK DIAGRAMS HIFI CH2
HIFI CH2 S
SP CH1 F
SP CH1
SP CH1 S
HIFI CH1 F
HIFI CH1
HIFI CH1 S
VIDEO BLOCK
SP CH2 F
SP CH2
SP SH2 S
CN1004
GND (A) 6
NC 5
PB AL
AL OUT 4
FOR JIG
PB V
V OUT 3
FACT MODE 2
SWP 1
J101
V
L
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
– 81 –
SYSTEM CONTROL,MAIN MICON,
MA10
VCR SERVO,AUDIO OUT,Y/C PROCESS,
AUDIO PROCESS,VIDEO•AFM REC/PB AMP
4
3
V FM AMP V FM AMP
2 BUFF
Q803 Q808
Q812
1
IC701 VIDEO REC/PB AMP
JOG SW
30 REC CUR
Q809
1
2
BUFF V FM BUFF
3 3 PB VIDEO PB RF 22
Q701 Q801
4 2 SW(REC)
5
6
7 5 PB VIDEO
8 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 FR V
Q1101
10 FR Y
9 VCR V 40
FR AL
PB AL 46
PB V 47
FROM IC001 27 SDA 1
7, 9 26 SCL 1
60 66 1
80 SO1
81 SCK1
SW P
50 SW POS
FF10
EJECT SW,
LED CN1301
V BUFF 9 D 5V
33 TV V
Q902
8 LED 6
FUNCTION
7 LED 5
LED
6 LED 4
5 LED 3
4 LED 2
D1303-D1308
3 LED 1
16 RE AL
2 EJECT
15 RE V
1 GND A
S1301
EJECT
22 RU AL(TV) TV L 30
23 RU V(TV)
FACT MODE
K1
K2
FUNCTION KEY MATRIX
K3
S1102-S1109
IC201 AUDIO OUT K4
D +5V
14 OUT IC003 RESET
I O
TV(L) 5
BUFF SVRR 7 MUTE
Q002 Q201
VOL 3
INV.
MUTE 10
Q001
CN1001
3 GND(AV)
2
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
NT+2FSC 43 11 CONT 1 5
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
OSC 59 CLK 10 1 A HEAD PB
X801
4.43MHz
OSC 60
20 V SUB PB
OSC 56
X802
18 Y REC 3.58MHz
CLK BUFF
OSC 55
14 C REC
Q823
C BUFF
C IN 52
Q825
66 RF SWP
Y BUFF
37 COMP SYNC Y IN 40
Q824
BUFF
REC/PB SIG. 25
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
77 REC COUNT
5 -VIN 2 OUT2 7 67 PB CTL
SW
5 CTL HYS/HIGHT
Q402
73 VCR AL IN
42 XTAL
ACK OUT 62 X430
16MHz
43 EXTAL
BUFF
30 VCR V IN SECAM/S VHS D 65
Q901
S451
REC PRF
MUTE CTL 70
17 C IN
BUFF
38 VCR V OUT QVD 33
Q830
28 30 4 49 55 79 10
1C402 SYSTEM CONTROL
23 24 25 26 11 44 40 46 45 47
CN004 X001
8.38MHz
D 5V 9
LED 6 8
LED 5 7
LED 4 6 28 29 7 14 15 23 24 25
LED 3 5
LED 2 4 51 LED 2
LED 1 3 52 LED 1
EJECT 2
GND A 1
IC1101
SIRCS
OUT 2 20 SIRCS
17 FACT
K2
34 KEY1
K3
33 KEY2
K4
30 RESET
S001 D1119 D1118 IC001 MAIN µ-COM
38 G SW
A D1117
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
– 82 –
CN1003
1 D 5.8V
2 GND(A)
3 SW 5V
FULL
NC ERASE
4 SW 9V D
HEAD
5 GND(M)
6 MTR 13.2V TO
A BOARD
7 VCC(SP) CN302
8 GND(SP)
CTL(X)
CTL HEAD
CTL(Y)
CAPSTAN MOTOR
AUDIO
ERASE HEAD
AUDIO
REC/PB HEAD
CAPSTAN
CAP FG FG
AMP SENSOR
IC1
CAPSTAN
MOTOR DRIVE
14
M902
M CAPSTAN
15
MOTOR
CN403
16
1 SW 5V 1
U(+)
2 CAP RVS 2 32 FRC 1
U(-)
72 70 84 IC403(1/2) 3 CAP FG 3 2
CAP MOTOR D/A AMP
V(+) HALL
4 REF 4 3
V(-) DRIVE
CAP DA 73 2 -V IN1 OUT1 1 5 CAP VS 5 22 VS 4
W(+)
6 LIM 6 21 LIMIT 5
W(-)
7 MTR 13V 7 6
34
CAP STOP 8 GND(M) 8
STEP PLS 99 9 GND(A) 9
LED DRIVE
35
T/S LED Q451
Q452
TAKE-UP D451
END SENSOR T/S
T SENS 61 LED
IC1 DRUM MOTOR DRIVE
OUTPUT
S SENS 62
Q453 D +5V M901
DRUM
SUPPLY MOTOR
END SENSOR
M
OUTPUT
HALL
MATRIX
IC403(2/2)DROM D/A AMP
DEVICE
CN401
DRA DA 74 6 -V IN2 OUT2 7 7 D VS 7
6 GND(M) 6
DRM FG 69 5 D FG 5 DRUM FG
4 MTR 12V 4
DRM PG 68 3 D PG 3 DRUM PG
2 GND(A) 2
DRUM MOTOR
1 SW 5V 1
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(+) 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
DGC 5 10 DGC A
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
17 CRT PWR
CRT POW 61
18 VCR PWR
VCR POW 62
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
– 83 –