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8 SCHEMATIC DIAGRAMS
8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM
CAUTION THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY
FROM THE SECONDARY CIRCUIT.
PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF
THE PRODUCTS.
HOT
F
LB1102 C1101
0 1000P
P1101 D1102
VJS3306 S1WBA80-4062
F1101 LB1103
VSF0243C16 L1107 L1108 0
ELF15N005A ELF15N003A
4
~ +
1
2 1 4 3
C1118 C1120
AC INLET 400V
E 0.068 82
3 4 1 2 R11
1M
3 2
R1110 R1108 R1104 R1103
~ -
12K 12K 12K 12K R11
1M
LB1101 LB1104
0 R1117 0
12K
C1104 R1126
1000P 12K
D Q1102
0.1 C1122
120P
R1123
2SB1030A 17.8 2200
(PROTECTOR)
17.8 17.8 R1118 D1105
100 MA165
0.1
R1124
22K C1110 R1107 C1111
10V330 100K 1000P
Q1101
2SD1996
(PROTECTOR)
IC1101
STRG6352LF 17.8
4 R1109 C11
1500 50V
C REG
+ OVP
-
UVLO 280
+ + TSD 1
- REG - DELAY LATCH
+ TRI DRIVE
INTERNAL
- LB1105 R1111
BIAS 0 VLP0056 470
2
R1113
0.68
B
PWM
LATCH OCP
0.5
+ 5
R
-
R1112 C1106
1K 1000P
S Q
3
OSC
N
A
N
IMPORTANT SAFETY NOTICE: NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU N
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE. ORDER A PART,PLEASE REFER TO PARTS LIST.
1 2 3 4 5
31
M
R :TO POWER SUPPLY/RF SECTION
T :TO TIMER SECTION
T1101
ETE28K131AZ
18
D1125
11EQS06
S7
17 HEATER (+) R
IP1101
VSF0015A10T C1143
LB1103 10V330
0
P1 S8
3 16 1 2 HEATER (-) R T
D1118
22K
C1109
C1120 0.01 P2 S3
4 15 C1136
400V R1102
82 22K 100P
R1105 D1114 L1122
1M 21DQ06FC4 22u
D1103 S4
AP01CV2 14 UNREG 5.6V R
C1134 C1135
R1106 10V1200 10V330
1M D1124 L1124
ERA22-04 100u
LB1104 V1 S6
0 6 13 UNREG -29V R
C1142 C1140 C1141
220P 50V100 0.01
V2 S1
7 12
LB1107
C1122 0
120P D1121 L1121
RL2ZPLF-C4 22u
S2
11 UNREG 16V R
D1104 C1107
D1105 MA185 1000P C1131 C1132
MA165 25V820 25V330
C1139 L1123
220P 100u
C1111 R1115 S5
1000P 47 10 UNREG 36V R
D1123 C1137 C1138
ERA22-04 50V47 0.01
GND R
R1109 C1114 D1130
1500 50V47 MA7300B
Q1111
R1114
PC123ZY2
2200
13.3 18.0
4 1
C1108 D1107 C1112 R1101
68P MA165 8200P R1125 2700
1.1 16.9 100
5 R1111 3 2
056 470
IC1102
R1113 uPC1093J
0.68
D1106
MA165
C A R
R1112 C1106
1K 16.7 2.4
1000P
R1121
C1102 R1116 2700
0.01 1K
R1119 R1120
27K 2200
NOTE:THE MEASURMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
NOTE1:WHEN MEASURE THE VOLTAGE OR WAVEFORM ON THE POWER TRANSFORMER
CIRCUIT,SET THE GND TERMINAL OF MEASURING POINT AS FOLLOWS.
PRIMARY SIDE..... NV-SJ222EE-B
THIS SECONDARY SIDE...
YOU NOTE2:THE DC VOLTAGE INDICATED IN PRIMARY SIDE IS SHOWN THE VOLTAGE WHEN
POWER TRANSFORMER
T. INPUT AC IS 240V. SECTION SCHEMATIC DIAGRAM
6 7 8 9 10
31
8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM
P :TO POWER TRANSFORMER SECTION VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE
S :TO SYSTEM CONTROL & SERVO SECTION
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MOD
V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION
I :TO INPUT/OUTPUT SECTION
T :TO TIMER SECTION Q1002 Q1006
2SD602A 2SD601A
(BUFFER) (FIP ON/OFF CONTROL)
-16.3 -16.4 -29.4 -29.3
G R1004 R1005 R1009
-15.7 56K 56K 22K 5.2
P R1011 R1008
HEATER (-) 22K
5600
R1006 R1007
10K 10K 5.2
P HEATER (+)
0
QR1001
UN2112
T PS HEATER (+) (FIP L :ON)
5.2
P UNREG -29V
T FIP -29V
S CYL 14V
D1013
0
F P CAP 14V
R1027
10K
S FIP L Q1008
S SLEEP L 2SB710A R7607 R7606
(POWER SAVE:OFF) 330 330
P UNREG 36V
37.9 37.9
R1002 R1003 R1025
IP1002 68K 68K 4700 37.2
UNH001200A Q1007
D1005 2SD1996
0 (12V REG.)
P UNREG 16V 1 2 R1026
17.9 12.3 10K
C1011
0.01 12.9 R1023
8200
IP1005
E 0
D1008 C1010 0
MA4130NL 16V47
4.9
1 2
D1012
0
P GND QR1002
S GND
C1013
UN2211
V GND IP1003 (SLEEP H :OFF)
16V10
UNH000300A Q1202
I GND 2SD1996
T GND (5V REG.)
I GND (A) 1 2
5.6 5.0
S GND (FG)
GND (MOTOR) C1206 C1208 C1207
S 0.01 0.1 6V47
5.7
S GND (CYL)
D IP1004
Q1201
UNH000300A
2SD1996
(5V REG.)
C7608
1 2 220P
5.6 5.1
C1205 C1202
0.01 5.7 6V100
IP1001
UNH000300A
D1201 C1204
MA4051NM 10V22
P UNREG 5.6V 1 2 5.7
D1202 R1204 QR1201 0
MA165 1K UN2212
(POWER OFF H :ON)
C
S POWER OFF H
V VIDEO 5V
S REG 5V
I PS 12V
S I PS 5V
V BIAS 5V
S I T N.SW 5V
Q1005
2SD602A
(5V REG.)
5.7 5.1
B S AUDIO DEF H A1
R1012 R1017
1800 2700
S SYS IIC DATA A2 Q1003 5.7 Q1004
S SYS IIC CLOCK A3 2SD1996 2SD1996
I TUNER AUDIO A4 (5V REG.) (5V REG.)
I V TUNER VIDEO A5
5.7 5.2 5.7 5.0
S AFC S-CURVE A6
C1003 C1004 C1006 C1007
S SW2 A7 0.01 16V47 0.01 16V10
5.9 5.7
S VIDEO OUT A8
V AUDIO OUT A9
D1003 C1002 D1006 C1008
MA4051NH 10V22 MA4051NM 50V47
D1002 D1007
MA165 MA165
A
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE. NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
1 2 3 4 5 6
32
H IN REC MODE
H IN PLAYBACK MODE
TU7601
TUNER UNIT
ENG47319G1
L7602
33u
1 N.SW 5V
C7603 C7607 2 GND
6V100 220P
R7604 100
3 DATA
R7605 100
L7601 4 CLOCK
33u
5 PS 5V
L7603 33u R7601 1K
C7604 6 VIDEO OUT
6V100
L7609 10u
A9 7 AUDIO OUT
R7611
R7602
470 470
8
C7615 9
33P
Q7601
2SB709A A8 10
R7607 R7606 (AMP)
330 330 R7610 11 CLOCK
470
12 DATA
C7614
33P 13
R7615
0
L7604 14 TUNER 5V
33u
15 SW1
C7616 C7617 16 BTL 30V
6V100 0.01
LB7602 17 IF OUT
0
18 IF IN
C7609 C7611 C7610 D7601
220P 220P 50V10 MA4300M
A7
DU7601
C7620 19 SW1
0.1 PK0701-1
TO TV DEMODULATOR
20 SW1 PK0701-2
21 TUNER AUDIO PK0701-3
PACK PK0701(D-1)
22 PK0701-4
L7605 A6 23 AFC S-CURVE PK0701-5
0 24 TUNER VIDEO PK0701-6
25 TUNER 5V PK0701-7
26 PK0701-8
608 C7612 R7613
0P 150 27 GND PK0701-9
0.1
A5
R7608
150
QR7602 0
UN2113
(BUFFER)
4.8 QR7601
4.8 4.8 UN2215
(MUTE)
A4
A1 A2 A3
NV-SJ222EE-B
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU POWER SUPPLY/RF
STOP MODE. ORDER A PART,PLEASE REFER TO PARTS LIST. SECTION SCHEMATIC DIAGRAM
6 7 8 9 10
32
8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM
P :TO POWER TRANSFORMER SECTION DP7501
25U39169TANF
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
VCR S-VHS ET CH
EXT Link
F REC
N ENR
R
F+ F+ P1 P2 P3 P4 P5 P6 P7 P8 NC P9 P10 P11 P12 P13 P14
1 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
R7508
15
R PS HEATER (+)
C7501
0.01
P HEATER (-)
D7501 C7502 R7511 R7510
MN4220NM 50V10 820 820
E
R7509
75
R FIP -29V
-28.4
-28.3
-29.0
-29.4
-28.3
-28.1
-28.5
-24.3
-29.0
-24.3
-24.1
-24.3
-19.0
-24.3
36 35 34 33 32 31 30 29 28 27 26 25 24 23
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
D
IC7501
M35502AFP
S CLOCK
S DATA
CS L
OSC