SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
RF IN
TU101
TUNER
IF | IF AMP | |
Q201 | ||
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AGC
BS | SW | |
Q006 | ||
|
VB
UB
+4.5V
MB 
TV | BUFFER |
| AMP |
Q001 |
| Q002 | |
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RV001
U LOW
RV003
UA
RV002
V LOW
RV004
V HI
| FILTER |
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| SWF201 |
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IC001 TUNER CONTROL |
| 3 |
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| HP |
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BS | BS |
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28 | COMPOSITION |
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| DEF | |
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| DEFEAT | |||
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| OUTPUT | 14 | |
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| TUNING |
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| CONTROL |
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U/V | BAND |
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27 | SELECT |
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| FH | |
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| SIGNAL | |||
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| DEFECT | 1 | |
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| BAND |
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| SELECT |
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| AUTO |
| H SYNC | |
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| RETURN |
| 4 | |
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| COMPARATOR | AFC | |
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| 5 | ||
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| SUD | |
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| 6 | |
BT | BT | INITIAL | CHARGE/ |
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DISCHARGE | CS | ||||
26 | GEN. | SET | |||
| CIRCUIT | 10 | |||
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UP |
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18 |
| BAR |
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| DISPLAY |
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UA |
| POSITION | BA R | V | |
22 |
| ADJUST | OUTPUT | 30 | |
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| U | |||
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| 31 | |
20VLP
19VHP
23VHA
24VLA
FH SW
Q005
Q007
AFC SW
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| IC401 |
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| CN201 |
| CN502 |
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| MONITER CONTROL |
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| 12 | UB | 12 |
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| CN601 |
| CN301 |
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| 2 | VHF | 2 |
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| 2 | VHF | 2 |
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| BUFFER | 40 R2 | CP | 1 |
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| Q403 |
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| 3 | H.P | 3 |
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| 3 | H.P | 3 |
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| 37 HSO |
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| IC201 VIF/SIF DET |
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| CL2 | 2 |
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| IF |
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| +4.5V |
| S601 |
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| CLB | 3 |
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| 6 |
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| (1/2) |
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| IF |
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| 7 | IF AMP |
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| LLD |
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| AGC OUT |
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| REF COIL |
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| CLA | 4 |
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| AGC IF | VIDEO | 19 |
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| 3 | DET | REF COIL |
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| AGC DL |
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| D2 | 5 |
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RV201 | 4 |
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| IC501 HP AMP |
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| D3 | 6 |
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| 3 | VCC |
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| J501 |
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| 6 |
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| PHONES |
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| D4 | 7 |
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| RV501 |
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| AUDIO |
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INV |
| BUFFER |
| 5 | AUDIO | 5 | 2 |
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Q205 | 14 |
| 13 |
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| FM DET |
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| D1 | 8 |
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| FM |
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| 15 | DET |
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| SPEAKER |
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| LIM |
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| SIF |
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| V+ |
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| BESTB | 9 |
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| 16 |
| LIMITER | 10 |
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| 7 |
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CF202 |
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| SYNC | SYNC |
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| CF203 |
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| 23 | SEP |
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| TPR1B 12 | VM BUFFER | |
| AFT |
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| DET OUT |
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| TPR1 13 | Q407 | |
| AFT | VIDEO | BUFFER | 9 | VIDEO | 9 |
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| 9 | VIDEO | 9 |
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| SYNC SEP | 34 V IN |
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| 17 | AMP | 18 | Q202 |
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| Q303 |
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AFT |
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| AFT COIL |
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| SYNC SEP |
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| SW |
| 21 |
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| 22 |
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| DB 10 | Q406 | |
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| CF201 |
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| 7 | H SYNC | 7 |
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| 7 | H SYNC | 7 |
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| 35 H IN |
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INV/SW |
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| 8 | IND | 8 |
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| 8 | IND | 8 |
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| IND SW | 38 INB |
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| Q408 |
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Q003,004 |
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| T601 |
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| IC301 Y/C/J |
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| 40 R |
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| 9 | 1 | +30V |
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| 1 | VIDEO IN | HD IN | 5 | INV |
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| Q302 |
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| S601 |
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| PORT SW |
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| 8 | 6 | +4.5V |
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| (2/2) |
| F601 |
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| 2 | SYNC SEP | CONTRAST | 9 |
| 23 AUTO CB |
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| RV601 |
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| 7 |
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| PORT SW |
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| 19 TINT CONT | R OUT 10 |
| 28 R IN | XT1 20 |
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| Q610 |
| 4 | 3 |
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| RV301 |
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| X401 |
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| 4.5MHz | |||
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| 11 | UP DOWN SW 11 | +4.5V |
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| 21 VCXO IN | G OUT 11 |
| 29 G IN | XTD 21 | ||||||
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| S001 | S002 |
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| 23 VCXO OUT | B OUT 12 |
| 27 B IN | TGL VL 30 |
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| X301 |
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| RV402 | ||
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| DOWN | UP |
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| 3.58MHz |
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| BUFFER |
| +30V |
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| Q401 |
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| BATTERY |
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| BUFFER |
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| 11 | BRT | 11 |
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| RV450 |
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| Q402 | ||||
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| T701 |
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| DRIVE | 2 |
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| Q701 |
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| J701 |
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| D701 |
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| 8 |
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| DRIVE | 4 |
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| Q702 |
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| BACK |
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| DC IN |
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| LIGHT |
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| 1 |
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| 6 |
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| 5 |
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CP 24
CP 40
CL2 22 CL2 38
CLB 21 CLB 37
CLA 20 CLA 36
D2 12
D2 28
D3 11
D3 27
10
D4 26
D1 9
D1 25
RES 13 RES 29
TPR2 2
TPR1 6 VM 23 VM 39 VM 4 VSS 3
VDG 17 
VDR 18 VDG 33 VDR 34 VDB 16 VDB 32 VS2 15 VS2 31
LCD
MONITOR
T(TUNER,VIF/SIF DET,TUNING) | A(DC IN,B/L INV) | B(HP AMP,MONITOR CONTROL,CHROMA) |
– 11 – | – 12 – | – 13 – | – 14 – |