Sony XTL-6100 (serv.man2) Service Manual ▷ View online
– 7 –
– 8 –
2-2. BLOCK DIAGRAM — AUDIO SECTION —
XTL-6100
R-CH
R
J5-2,3
L
INPUT 1
AUDIO
R-CH
R
J6-2,3
L
INPUT 2
AUDIO
J1
ANT IN
TUNER BLOCK
TU1
IN
VCO
VCO
IF2 11
AGC 1
5
4
9
1
4
3
SF1
BT
SCL
SDA
VOLTAGE
CONTROL
IC3
1
4
B+
(S +12V)
VIDEO
DET
LATCH
Q20, 21
EQ
AMP
RF
AGC
HPF
FM
DET
HPF
VCA
GATE
PULSE
DET
LPF
PILOT
CANCEL
LATCH
Q22, 23
CF1
CF2
5.5MHz
CF3
6MHz
VIDEO
AMP
Q24
47
SYSTEM CONTROL
IC12 (1/2)
UK/CCIR
(CH/HK)
(CH/HK)
36
42
40
60
44
AFT
VIDEO1
VIDEO2
VOL
S. MUTE
29
RESET
21
XIN
22
XOUT
14 PLL DATA
15 PLL CLK
15 PLL CLK
12 P.B
49 POWER
49 POWER
1
2
10
TONE
AMP
Q30, 31
RESET
IC1
LEVEL
DETECT
Q32
VOL
CONTROL
IC16
R-CH
LEVEL
ADJ.
Q33
12
9 10
7
4
8
14
13
15
AUDIO SWITCH
IC14
B A
4
5
X2
8MHz
ACC
R-CH
IC27
5
7
IC15
5
7
IC28
5
7
NOISE CANCELLER
IC33
VIDEO
TO
VIDEO
SECTION
TO
VIDEO
SECTION
18
19
14
11
12
3
13
21
10
8
6
1
24
AFT
VR1
AGC
AGC
T1,2
TRAP
T3
VCO,
AFT
VIF/SIF PROCESSOR
IC13
Q106
POWER
ON/OFF
Q3, 4
B+
SWITCH
Q2
B+
(S +12V)
ACC
CN4
3
4
ACC
P.B
ACC
POWER
+9V REG
IC4
B+
(S +9V)
B+
(S +5V)
ACC
1
3
5V REG
IC2
1
3
+5V
REG
Q1
B+
(+5V)
ACC
04
S. MUTE
DRIVE
Q72, 73
MUTE
Q81
MUTE
Q80
R-CH
R
J8-2,3
L
OUTPUT
AUDIO
AUDIO
TO
VIDEO
SECTION
V2
V1
• Signal path
: AUDIO
: VIDEO
– 9 –
– 10 –
2-3. PRINTED WIRING BOARD
XTL-6100
Note:
•
r
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
Ref. No.
Location
(D1)
F-1
D2
E-2
D3
E-2
D4
F-3
D5
D-2
D6
D-2
D20
D-9
D30
D-8
D31
D-7
D40
A-5
D41
A-7
D42
A-2
D43
A-4
D55
F-5
(D70)
H-9
(D71)
H-9
(D72)
H-9
(D73)
H-8
(D74)
H-7
(D75)
H-8
(D78)
H-9
IC1
D-2
IC2
F-3
IC3
D-2
(IC4)
G-4
IC12
B-2
IC13
F-11
IC14
B-8
IC15
C-6
IC16
D-6
IC17
C-4
IC18
C-5
IC19
B-5
IC21
D-4
IC24
F-7
IC26
G-7
IC27
B-6
IC28
B-3
IC31
D-6
(IC33)
C-8
IC50
D-1
Q1
F-3
(Q2)
G-2
Q3
D-1
Q4
D-1
(Q10)
E-2
(Q20)
F-10
Q21
G-10
(Q22)
F-11
Q23
G-10
Q24
A-5
Q30
D-8
Q31
D-7
Q32
D-7
Q33
C-7
Q40
C-4
Q41
C-3
Q42
C-4
Q53
D-3
Q60
D-5
(Q61)
G-7
(Q62)
G-8
(Q63)
G-8
(Q64)
G-7
(Q72)
H-10
(Q73)
H-10
(Q77)
C-3
(Q79)
H-12
(Q80)
H-11
(Q81)
H-7
Q90
D-6
Q91
G-8
Q92
G-8
Q100
F-8
Q101
F-8
(Q103)
E-6
Q106
D-1
Q127
F-5
Q128
F-5
Q129
F-6
• Semiconductor
Location
(
) : SIDE B
– 11 –
– 12 –
XTL-6100
– 13 –
– 14 –
XTL-6100
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
S
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC (CN4).
• Voltage is dc with respect to ground under no-signal
condition.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
L
: VIDEO
F
: AUDIO
2-4. SCHEMATIC DIAGRAM — TUNER MAIN SECTION (1/3) — • Refer to page 19 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
(P
age 15)
(P
age 17)
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