Sony XTL-6100MK2 Service Manual ▷ View online
25
25
4-11. SCHEMATIC DIAGRAM — TUNER UNIT (4/4) (XT-993V) — • Refer to page 26 for IC Block Diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
U
: B+ Line.
•
H
: adjustment for repair.
• 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.
• Signal path.
L
: VIDEO
F
: AUDIO
(Page 22)
(Page 24)
(Page 23)
XTL-6100MK2
(Page 18)
26
26
14
15
13
12
17
16
18
19
22
21
20
23
24
27
26
30
29
28
25
PULSE
CONVERSION
INPUT
DISCRIMINATION
INPUT
LATCH
POLARITY
SELECT
LEVEL
ADJUSTMENT
CH DISPLAY
SELECT
γ
RECTFY
OFFSET CANCEL
OUTPUT
AMP
CURRENT
CONVERSION
CURRENT
CONVERSION
CURRENT
CONVERSION
REFERENCE
VOLTAGE
F.F.
11
7
6
5
8
9 10
3
4
2
1
XH MODE
B-CH IN
G-CH IN
R-CH IN
B S/H
B IN
G IN
R IN
L GND
R S/H
V REF
B DRIVE
R DRIVE
COM DRIVE
L VCC
HD
VD
CP
F.F. OUT
F.F. CONT
H VCC
VO CENTER
B OUT
G OUT
R OUT
H GND
B CUTOFF
R CUTOFF
COM CUTOFF
γ
OFFSET
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AFC
32fH
VCO
VCO
COUNT
DOWN
DOWN
LOCK
DET
DET
SYNC
SEP
SEP
V.SEP
NC
VCC
AFC
CTL
CTL
VCO
OUT
OUT
VCO
IN
IN
HD
OUT
OUT
DET
OUT
OUT
EXC
GND
VD
OUT
OUT
SYNC
OUT
OUT
F.B.
CLAMP
CLAMP
VIDEO
IN
IN
NC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CLR
Q
Q
CLR
Q
Q
1A
1B
1 CLR
CEXT 2
2 REXT/CEXT
1Q
2Q
GND
VCC
1 REXT/CEXT
CEXT 1
1Q
2Q
2 CLR
2B
2A
16
15
14
13
12
11
10
9
1
2
3 4
5
6
7
8
VREF
S
R
LATCH
S
U. Y. LO
VREF
VREF
–
+
+
+
–
+
–
OUTPUT1
PWM
COMP
OUTPUT2
PWM
COMP
ERROR AMP
SHORT
CIRCUIT
PROTECTION
COMP
TRAINGLE
OSC
REFERENCE
VOLTAGE
VREF
+25V
ERROR AMP
REF
OUT
S.C.P
NON-INV-
INPUT2
INV-
INPUT2
FEED
BACK2
DEAD
TIME
CONTROL2
OUT2
VCC
GND
OUT1
RT
NON-INV-
INPUT1
INV-
INPUT1
FEED
BACK1
DEAD
TIME
CONTROL1
CT
5
1
2
3
4
RESET
NC
SUB
GND
VCC
OUT
BLOCKING
OSCILLATOR
8
7
6
5
1
2
3
4
FB
NC
NC
GND
DRIVE
NC
NC
VCC
FM
DET
MIX
HPF
HPF
RF
AGC
EQ
AMP
IF
AGC
VIDEO
DET
VIF
AMP
LIM
AMP
AGC
1st
DET
FFT
HPF
HPF
VCO
1stT
SMP
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
2nd SIF IN
BIAS FILTER
MIX OUT
CER. OSC
Vcc
VIDEO OUT
EQ FILTER
EQ IN
APC FILTER
V DET OUT
VCO COIL
VCO COIL
FM DET OUT
FM FILTER
1st SIF OUT
RF AGC VR
GND
VIF IN
VIF IN
IF AGC
FILTER
1st SIF
AGC FILTER
1st AGC OUT
RF AGC OUT
AFT OUT
2
3
4
1
7
6
5
8
VCO
V SYNC
SEP
SYNC
SEP
PHASE
COMP
H. SYNC
V. SYNC
VIN
GND
VCC
SC
VCO
LPF
3V
AMP
8
4
3
2
1
OUT1
VM1
IN1
GND
VCC
OUT2
VM2
IN2
AMP
7
6
5
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1
0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10
LOGIC
DOUT/ACK
ADDRESS/COUNTER
DATA WORD
Y DEC
SERIAL MUX
EEPROM
DATA REGISTER
X DEC
H. V. PUMP/TIMING
LOGIC
CONTROL
SERIAL
R/W
INC
LOAD
EN
LOGIC
STOP
START
3
6
2
5
1
7
8
4
DIN
DOUT
VCC
TEST
SCL
SDA
NC
NC
NC
GND
• IC Block Diagrams
IC201 TA8696F
IC1 PST9145
IC203 TC74HC123AF
IC401 TL1451ACPWR
IC202 LA7218M-TE-R
IC3 BA6161F
IC13 LA7565EM
IC17 MM1108XF
IC14 TC74HC4052AF
IC50 AT24C01
IC27–29 BA3121F
27
SHARPNESS
CLP
BLK
ACK
ACK
DET
DET
Y CLP
SYNC
SLICE
SYNC
SEP
PAL
ID
BURST
GATE
CHROMA
AMP
DL
AMP
FF
INV
PS
HUE
APC
VXO
ACC
ACC
DET
DET
ADD/SUB
SW
DEM
SIG
AMP
PULSE
GEN
APL
DET
DET
APL
AMP
19
18
17
16
15
13
12
14
11
10
9
21
22
20
3
1
32
31
30
27
26
25
28
29
2
4
5
7
6
8
24
23
Y/C
MIX
0
°
90
°
G OUT
R OUT
DLA IN
C OUT
ACK TC
DLA BIAS
SYNC
Y CLP TC
APL CTL
APL TC
SYNC TC
CLP TC
VREG
SYNC IN
Y IN
BF
VCC1
GND1
SHP CTL
SHP F0
TP ADJ
C ADJ
ACC TC
C IN
HUE ADJ
APC TC
VXO2
VXO1
SC OUT
GND2
VCC2
B OUT
B-Y
R-Y
1
2
3
4
5
6
7
8
B1
B0
C.COM
CO
INH
VEE
VSS
VDD
B.COM
A.COM
A1
A0
A
B
C
C1
9
10
11
12
13
14
15
16
OPEN
OPEN
OPEN
V. DECODER
1/525, 1/625
V. COUNTER
V. COUNTER
1/19
H. COUNTER
1/2
1/6
1
2
3
4
5
6
7
8
RESET
VD
COMP.SYNC
VDD
PAL/NTSC
XT
XT
VSS
12
11
10
7
6
5
4
3
2
1
8
9
LPF
HPF
VCA
REF
TRIGGER
GATE
PULSE
DET
PILOT
CANCEL
BUFF
BUFF
BUFF
BUFF
INV
AMP
PILOT
IN
LPF
OUT
OUT
GATE
REF
+B
GND
PW
AGC
BYPASS
NF
IN
IC18, 25, 26 TC4053BF
IC31 MSM5258M
IC24 CXA1585Q
IC33 TA2005SN
28
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
SECTION 5
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• Accessories and packing materials are
given in the last of this parts list.
Ref. No.
Part No.
Description
Remark
5-1. MONITOR SECTION (XVM-6100MK2)
N
N
Ref. No.
Part No.
Description
Remark
3
4
5
9
9
9
9
9
9
9
7
8
9
9
10
6
12
11
13
1
1
1
DSP301
SP301
2
2
1
3-906-376-01 SCREW (2.6X6)
2
7-627-853-28 SCREW, PRECISION +P 2X3 TYPE3
3
X-3377-824-1 PANEL ASSY (MK2), FRONT
4
3-007-512-01 CUSHION (1)
5
3-007-693-01 CUSHION (LCD)
* 6
A-3317-004-A MONITOR MAIN BOARD, COMPLETE
7
3-928-056-01 KNOB
8
3-704-197-52 SCREW (M1.4X3.5), LOCKING
9
3-713-790-01 SCREW (M2X5), TAPPING, P3
* 10
3-937-857-01 BRACKET, SPEAKER
11
X-3374-921-3 PANEL ASSY (6100), REAR
* 12
3-937-856-01 BRACKET, PANEL
* 13
3-937-858-01 BRACKET, STAND
DSP301 1-801-370-11 DISPLAY PANEL, LIQUID CRYSTAL
SP301
SP301
1-505-386-11 SPEAKER (5cm)
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