Block Diagram - Sony KP-48PS2 Service Manual

BLOCK DIAGRAM (5)

E
(R/G/B/VM OUT,YCJ)
IC4301
YCJ
CN4101
Q4307,4316
Q4320
R OUT 30
Y 100 B18 52 Y1 IN
BUFF
BUFF
Q4308,4317
Q4321 G OUT 28
U 100 B19 53 CB1 IN
BUFF
BUFF
Q4310,4318
Q4322
B OUT 26
V 100 B20 54 CR1 IN
BUFF
BUFF
H DEFL A1 59 HS IN
V DEFL A6 60 VS IN
TEXT RED A10 36 R2 IN
Q4601,4602
TEXT GREEN B10 35 G2 IN
MUTE
TEXT BLUE B11 34 B2 IN
TEXT BLK A11 33 YS/YM2
IKIN 25
SDA A16 61 SDA
J SCL B16 62 SCL
TO BLOCK
DIAGRAM(2) DPIC SW A20 43 DPIC DCTR
A BOARD
CN1404
HD A2 17 HD
FB PULSE B2 18 HP IN
VM OUT
Q4301,4302,4304
45
VTIM/TEST A3 10 VIIM/TEST
AMP,BUFF
EW B3 1 EW
V+ A4 5 VDP
V- A5
6 VDN
VPROT A7
16 V PROT1
X RAY A8 20 X RAY
ABL B8 22 ABL IN
Q4303
ABL2 B7 19 L2 FIL
ABL CORRECT
H SHIFT A15
+12V B4 +12V
DEF +9V B17 +9V
CR
(R CRT DRIVE)
CN4500 CN7101
Q7101
1 R OUT R OUT 1 3
BUFF
Q7103
9
MUTE
3 G OUT
Q7104
IK 8 5
BUFF
5 B OUT
+12V 7
+12V
+12V 7 +12V
G OUT 3
8 IK BOUT 5
+12V
CN4502
1 VM
+12V 2 +12V
+135V
+12V
Q7401-7407,7410 Q7408,7409
BUFF,CORE VM AMP
CN7405
R-H DEF 1
Q
R-H RET 4
TO BLOCK
DIAGRAM(6)
D BOARD
CN7404
CN5009
RV SUB DEF 1
RV SUB RET 2
R
TO BLOCK
RH SUB DEF 4
DIAGRAM(6)
D BOARD RH SUB RET 3
CN5010
ZR
(DY,VM DRIVE)
V901
PICTURE TUBE
TO BLOCK DIAGRAM(6)
HV BLOCK
CG
(G CRT DRIVE)
TO BLOCK
DIAGRAM(6)
CN7104
FOCUS PACK
1 G2
J7101
IC7101
VIDEO OUT
10 G2
1 FV
Q7201
V IN V OUT 8 8 KR
BUFF
4 G1
Q7203
VOF 5 G1
MUTE
9 G1
IK 11 G1
6 H2
7 H1
CN7103 CN7204
1 H(+)
+200V 6 +200V
2 H(-) H(+) 1
9 RS
H(-) 2
+200V 6 +200V RS 9
Q7202
PEAK
CN7102 CN7201
G OUT 7
1 MUTE
3 IK IK 3
MUTE 1
7 G OUT
5 B OUT B OUT 5
+12V 2
+12V 2 +12V
+12V
CN7401
1 +135V CN7608
4 +12V +12V 2 +12V
3 VM
VM 1
CN7601
Q7601-7607,7610
VM 3
BUFF,CORE
VM +135 1 +135V
+12V 4 +12V
CN7606
H
G-H DEF 1
S
G-H RET 4
TO BLOCK
CN7603
DY7401
DIAGRAM(6)
D BOARD GV SUB DEF 1
CN5008
V GV SUB RET 2
SUB
T
TO BLOCK
GH SUB DEF 4
DIAGRAM(6)
3
D BOARD GH SUB RET
H
CN5011
SUB
CN7607
U +135V 1 +135V
TO BLOCK
V
DIAGRAM(6)
D BOARD
CN5020
CN7403
CN7605
V DEF V DEF 1
V RET 3
3 V RET
ZG
(DY,VM DRIVE)
– 34 –
V902
PICTURE TUBE
TO BLOCK DIAGRAM(6)
HV BLOCK
CB
(B CRT DRIVE)
TO BLOCK
DIAGRAM(6)
CN7205
FOCUS PACK
1 G2
J7201
IC7201
VIDEO OUT
10 G2
1 FV
Q7301
3 V IN V OUT 8 8 KG
BUFF
7 H1
9 VOF 6 H2
4 G1
5 IK 5 G1
9 G1
TO BLOCK
11 G1
DIAGRAM(6)
D BOARD
CN7210
CN5401
O
1 GS
CN7203 CN7302
2 H(-) +200V 6 +200V
H(+) 1
+12V 1 H(+)
9 RS H(-) 2
RS 9
+200V 6 +200V
Q7302
CN7202 CN7301 PEAK
5 B OUT B OUT 5
1 MUTE
IK 3
3 IK MUTE 1
+12V 2 +12V
+12V 2 +12V
CN7602
CN7801
+135V 1 +135V +135 1 +135V
+12V 4
+12V 4 +12V +12V
Q7801-7807,7810
3 VM VM 3
Q7608,7609
VM AMP
VM
CN7804
B-H DEF 1
V
B-H RET 4
TO BLOCK
CN7802
DIAGRAM(6)
D BOARD
BV SUB DEF 1
H
CN5007
BV SUB RET 2
DY7601
W
TO BLOCK
V
4
BH SUB DEF
DIAGRAM(6)
SUB
D BOARD BH SUB RET 3
CN5012
H
SUB
V
CN7604
CN7805
1 V DEF V DEF 1
V RET 3
3 V RET
ZB
(DY,VM DRIVE)
KP-48PS2/61PS2
RM-903
V903
PICTURE TUBE
TO BLOCK DIAGRAM(6)
HV BLOCK
TO BLOCK
DIAGRAM(6)
CN7304
FOCUS PACK
1 G2
J730
IC7301
VIDEO OUT
10 G2
1 FV
3 V IN V OUT 8 8 KB
7 H1
Q7303
9 VOF 6 H2
MUTE
4 G1
5 IK 5 G1
9 G1
11 G1
CN7303
8 BS
1 H(+)
2 H(-) P
9 RS
TO BLOCK
6 +200V DIAGRAM(6)
+12V +200V
D BOARD
CN5006
Q7305,7306
+12V
VOLTAGE DET,MUTE DRV
Q7808,7809
BUFF,CORE VM AMP
VM
H
DY7807
V
SUB
H
SUB
V
TO BLOCK
DIAGRAM(6)
CN7803 D BOARD
CN5001
1 V DEF
X
3 V RET