Ma10(2/3) Board - Sony KV-14FV1B Service Manual

MA10(2/3) BOARD WAVEFORMS
1 2
REC
PB
PAL
0.3Vp-p (H) 0.32Vp-p (H)
3 4
REC
PB
0.32Vp-p (H)
0.28p-p (H)
5 6
REC/PB
PB
SECAM
0.25Vp-p (H)
0.5Vp-p (H)
7 8
REC REC
SECAM
1.0Vp-p (H) 3.8Vp-p (H)
9 9
REC/PB REC/PB
PAL SECAM
2.3Vp-p (H) 2.4Vp-p (H)
11 11
PAL SECAM
REC:0.4Vp-p(H) REC:0.3Vp-p(H)
PB:0.3Vp-p(H) PB:0.2Vp-p (H)
12 13
REC/PB
SECAM
REC:0.3Vp-p(H)
PB:0.2Vp-p (H) 0.4Vp-p(H)
15 15
SECAM
PAL
REC:0.3Vp-p(H)
REC:0.46Vp-p(H)
PB:0.3Vp-p (H) PB:0.2Vp-p (H)
17 18
PB REC
SECAM SECAM
0.38Vp-p (H) 1.0Vp-p (H)
20
REC/PB
SECAM
3.8Vp-p (H)
Schematic diagram
< < < < <
MA10(1/3)
board

MA10(2/3) BOARD

Ref No.
C1801
C1802
C1803
C1804
C1805
C1806 0.1 25V B:CHIP
C1807
C1808
C1809
C1810
2
PB
C1811
C1812
C1813
SECAM
C1814
0.36Vp-p (H)
C1815
5
PB
C1816
C1817 0.1 25V B:CHIP
C1818
PAL
C1819
0.32Vp-p (H)
C1820
7
REC C1821
C1822
C1824
PAL
C1826
1.2Vp-p(H)
IC1801
L1801
8
PB
L1802
L1803
L1804
4.0Vp-p (H) L1805
L1806
10
REC/PB
Q1801 2SA1162-YG-TE85L
Q1802
Q1804 2SC2712-YG-TE85L
Q1805 2SC2712-YG-TE85L
0.54Vp-p (4.43MHz)
Q1806 2SC2712-YG-TE85L
12
Q1807
PAL
Q1808
R1801
R1802
REC:0.4Vp-p(H)
PB:0.3Vp-p (H)
R1803
R1804
14
REC/PB
R1805
R1806
R1807
0.4Vp-p (H)
R1808
R1809
16
REC
R1810
R1811
R1812
SECAM
R1813
0.4Vp-p (H)
R1814
19
R1815
REC/PB
R1816
R1817
SECAM
R1818
0.38Vp-p (H)
R1819
R1820
R1821
R1822
R1823
R1831
– 69 –
* MARK LIST
FR model AEP/UK/ESP model
0.01 B:CHIP —
150p CH:CHIP —
220p CH:CHIP —
0.0047 B:CHIP —
0,0047 B:CHIP —
—
0.01 B:CHIP —
0.01 B:CHIP —
0.001 B:CHIP —
0.01 F:CHIP —
0.01 F:CHIP —
47 10V —
82p CH:CHIP —
680p CH:CHIP —
0.01 B:CHIP —
220p CH:CHIP —
—
0.022 B:CHIP —
10 —
0.47 —
1 —
0.01 B:CHIP —
2.2 —
100p CH:CHIP —
LA7337 —
6.8µH —
22µH —
68µH —
27µH —
JW(5) —
47µH —
—
UN211L-TX —
—
—
—
UN2213-TX —
UN2111-TX —
47k :CHIP —
8.2k :CHIP —
9.1k :CHIP —
20k :CHIP —
27k :CHIP —
8.2k :CHIP —
1k :CHIP —
39k :CHIP —
27k :CHIP —
470 :CHIP —
5.6k :CHIP —
22k :CHIP —
15k :CHIP —
10k :CHIP —
47k :CHIP —
2.7k :CHIP —
47k :CHIP —
47k :CHIP —
10k :CHIP —
0 :CHIP —
27k :CHIP —
39k :CHIP —
10k :CHIP —
0 :CHIP —
—: Not used
Schematic diagram
, , , , ,
MA10(2/3)
board
1 2
A
CN1001
3P
:S-MICRO
GND(AV) 3
NC
2
FE HEAD 1
FULL ERASE HEAD
CN1002
B
7P
CTL(X)
7
CTL
HEAD
CTL(Y) 6
GND(AV) 5
AUDIO
A HEAD PB
4
REC/PB
A HEAD REC 3
HEAD
GND(AV) 2
AUDIO
AERASE HEAD 1
ERASE
HEAD
C
D
E
F
G
H
I
J
K
TO RP BLOCK
L
PB RF
5V
R831
REC RF 0
:CHIP
RF SWP
GND
COMP SYNC
RF ENV
DATA
CLOCK
M
TO
MA10(3/3)
BOARD
3
AUDIO(P
VIDEO RF
VIDEO RF
C1803
C
*
R1804
*
C
28 27
1 2
R1809
*
C1
– 70