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Circuit Diagrams and PWB Layouts45
HOP Panel
1
2
3
4
J1
J1
HDR2K4 HOP 28KHZ AP AUG
1720
EH-B
To Blue
CRT Panel
A
1210
+8V
+12V
F722
+8V
BV1
B
-8V
7721
To Blue
BF550
CRT Panel
7730
3723
BF550
1701
1K0
EH-B
C
7720
BF570
D
3727
+8V
220R
E
F642
+12V
F
7900-1
LM393D
8
3
1
3902
2
4
10K
2911
G
1u0
2900
To LSP
1u0
1510
3643
1510
100R
H
EH-B
2901
6643
2601
1
1.5V
F901
2602
1u0
F902
2
BAS316
1n0
F2
2903
3601
.7V
3
F903
1n0
1
VDOA
F3
2904
F904
100R
3602
10p
4
.7V
2
VDOB
10p
2905
F905
3603
100R
5
3
4.3V
EWO
I
2906
F906
100R
3604
1n0
6
4
EHTIN
F907
100R
1n0
7
5
4907
4605
FLASH
3607
8
6
L2
+8V
GND1
2909
F909
3608
1K0
2607
2.9V
9
7
DECVD
2910
10p
F910
47R
3609
47n
.6V
10
8
HOUT
J
10p
3911
1V
F911
3613
100R
11
9
SCO
2912
47K
F912
2K2
4V
12
10
SCL
100n
11
SDA
+12V
K
7601
BC847B
3618
1K0
3619
1K0
+5V
+8V
-12V
+12V
3620
1K0
L
2968
100n
2958
47u
2961
47u
16
2957
M
100n
1950
JL
To SSM
Panel
1950
N
2-L1
Hf
O
P
3135 033 3429.2
1
2
3
4
DPTV465
5
6
7
8
9
1710
EH-B
1700
EH-B
To Green
To Red
CRT Panel
CRT Panel
1210
1210
B-BIAS
F712
F702
G-BIAS
+8V
R-BIAS
RV1
GV1
+8V
7711
-8V
BF550
-8V
7701
BF550
3713
1K0
3703
1K0
+8V
7710
7700
BF570
BF570
F641
F640
+8V
2638
47u
16
2639
1610
100n
3639
3638
F615
5
2637
100R
3637
47R
F614
4
2636
100n
47R
3636
F613
3
2635
100n
3635
47R
F612
2
2634
100n
47R
F611
1
22n
EH-B
To SSM
44
43
42
41
40
39
38
37
36
35
34
Panel
1610
3634
33
+8V
BL1
2632
1K0
3632
F632
32
BI1
2631
10R
3631
F631
31
100n
GI1
2630
3630
10R
F630
30
100n
RI1
10R
7600
29
100n
FBCSO
TDA9331H
2628
3628
F628
28
YIN
2627
100n
F627
10R
3627
2-C8
27
UIN
U
100n
2626
F626
3626
10R
2-G8
26
VIN
V
100n
10R
25
DACOUT
3624
F624
2-K1
24
HD
HD
3623
100R
F623
2-L1
23
VD
VD
100R
12
13
14
15
16
17
18
19
20
21
22
2615
-8V
100n
1601
3616
F956
6923
39K
DSX840
7922
2616
12M
BC807-25
BZX284-C6V8
47u
2617
2923
22n
1u0
F616
2618
2922
2u2
47u
+8V
2619
-12V
22n
C2
C1
5
6
7
8
9
7.
65
10
11
12
13
14
7800
TDA8444T/N4
NC
3
SDA
I2C BUS
4
SCL
SLAVE RECEIVER
+12V
REFERENCE
2
VMAX
VOLTAGE
GENERATOR
+12V
DAC0-7
+12V
2-H7,2-D7
F809
F813
TINT
F810
F814
2-A15
VS1
F811
F815
2-L12
VS2
F816
2-J3
SYNCSEL
SHARP
F812
1030
JQ-S
1
2
3
+5V
7602
74AHC1G66GV
1
1
2
1
4
X1
3621
180R
+5V
2605
100n
7605-1
7605-2
74HC4538D
74HC4538D
1
15
CX
CX
2
14
RCX
RCX
5
6
11
10
4
7
12
9
3
13
R
R
BV1
C1
2603
820p
2604
200mV / div AC
2V / div AC
820p
10µs / div
5µs / div
F2
F3
1V / div AC
1V / div AC
10µs / div
10µs / div
L2
RV1
+5V
+5V
SDA
NOTES
2V / div AC
200mV / div AC
SCL
10µs / div
10µs / div
1. CAPACITANCE VALUES ARE IN FARADS:
m=MILI
u=MICRO n=NANO p=PICO f=FEMTO
2. RESISTANCE VALUES ARE IN OHMS:
R=OHM K=KILO M=MEGA G=GIGA T=TERA
3. SAFETY TRIANGE REPRESENTS PCEC REPLACEMENT PART ONLY.
4.
*
FOR VALUE SEE TABLE.
10
11
12
13
14
15
16
17
18
+12V
3421
+12V
3429
1K0
7413
BF550
180R
F414
7412
7414
BF550
BF550
3427
3424
3419
390R
390R
430R
2419
2409
+12V
10p
7411
100n
BF570
3428
SREF
220R
+12V
3425
+12V
470R
8
+CARRIER
NC1 7
2416
13 NC4
+OUTPUT
6
100n
SHARP
10
-CARRIER
BIAS 5
7410
3415
2422
MC1496D
11 NC3
-SIG_INP
4
F802
22R
120p
12
-OUTPUT
GAIN_ADJ2
3
2421
3414
NC2
9
GAIN_ADJ1
2
100R
47p
14 VEE
+SIG_INP
1
3413
22R
3441
+12V
1K0
3449
3443
180R
3446
7433
+12V
BF550
100R
1K0
7432
7434
BF550
BF550
3444
3439
390R
430R
2439
2429
+12V
10p
7431
100n
BF570
3442
SREF
220R
+12V
3445
+12V
470R
+CARRIER
NC1 7
8
2436
13 NC4
6
+OUTPUT
SHARP
100n
10
-CARRIER
BIAS 5
7430
3435
2442
MC1496D
11
NC3
-SIG_INP
4
22R
120p
12
-OUTPUT
GAIN_ADJ2
3
3434
2441
NC2
9
GAIN_ADJ1
2
100R
47p
14 VEE
+SIG_INP
1
3433
+12V
22R
3461
+12V
3460
1K0
7453
BF550
180R
7452
7454
F454
BF550
BF550
3467
3464
3459
390R
390R
430R
2459
2449
+12V
10p
7451
100n
BF570
3462
SREF
220R
+12V
3465
+12V
470R
NC1 7
8
+CARRIER
2456
NC4
6
13
+OUTPUT
SHARP
100n
-CARRIER
BIAS 5
10
C2
3455
2462
7450
11 NC3
MC1496D
4
-SIG_INP
22R
120p
-OUTPUT
3
12
GAIN_ADJ2
3454
2461
2V / div AC
NC2
2
9
GAIN_ADJ1
100R
20µs / div
47p
14 VEE
+SIG_INP
1
GV1
3453
22R
200mV / div AC
10µs / div
15
16
17
18
19
20
A
B
2-E3
VV
C
D
E
+12V
2410
3412
F410
2-J9
BPb
F
180R
47u
G
H
I
+12V
J
2430
3432
2-I9
GY
180R
F430
47u
16
2-A4
K
UU
L
M
+12V
N
2450
3452
2-I9
RPr
180R
F450
47u
16
O
P
E_15000_042.eps
191004
19
20
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