Sony ST H3600 Service Manual

Page 1

ST-H3BIIII H6600

SERVICE MANUAL

E Model
Australian Model

ST-H3600
E Model
ST-H6600
£74.: . Sing; .1,
ST-H3600 and ST-H6600 are the
tuner section in FH-E737CD/E83BCD
and FH-E939CD respectively. Photo : ST-Hssoo
SPECIFICATIONS TABLE OF CONTENTS
5 t FM stereo. FM/AM . ,
)6 em superheterodyne tuner mm ILIIE E392
FM lunar sectlon
Tuning range 97 5 - 108 MHz SERVICING NOTES .. 2
Antenna terminals 75 ohm unbalanced
Intermediate Irequency GENERAL
10.7 MHz
AM luner sectlon Parts Identification ............................................................. 3
T"'"9 range 3x352; : 33%;}: Clock Setting 4
Antenna AM loop antenna. Radio 4
External antenna terminals
'"mmd'm "910 ELECTRICAL ADJUSTMENTS .............................. 6
45 kHz
DIAGRAMS
4'1. Block Diagram ......................................................... 8
4-2 Semiconductor Lead Layouts ........ 11
4-3. Printed Wiring Board - tuner section - 12
44. Schematic diagram - tuner section - . 15
4~5. Printed Wiring Board - display section - 17
4-5. Schematic diagram - display section - ..................... 19
4-7. 10 Block Diagrams ................................. 21
4-8. Pin Function of IC701 System Controller . 22
EXPLODED VIEW
Chassis Section .................................................................. 23
ELECTRICAL PARTS LIST .................................... 24

FM STEREII/FM-AM TUNER

SONY;

Page 2

ST-H3600/ H6600

SECTION 1

SERVICING NOTES

SUPPLY OF POWER DURING SERVICES

. Frequencies initially preset

Because the equipment is not provided with any power supply, it is MW

operated with power supplied from the amplifier TA-l-l2600, H3600 FM SW

or H5600 used in the series. The equipment requires the following 9kl-lz STEP lOkHz STEP

4 types of voltages. Therefore, connect the equipment to TA-H2600,

H3600 or H5600 for services such as repairing with power supplied, 1 87.5MHz 531kHZ 530kHz 320MHz

because it will be too complicated to supply these voltages individu- 2 88.0MHz 603kHz 620kHZ 3.50MHZ

ally. 3 98.0Ml-lz 999kl-lz lOSOkHz 5.00MHz
VOLTAGE MAJOR cmcurr IN USE 4 100.0Ml-lz 1404kHz 1490kHz 6.50MHz
AC 3.9V FL tube filament voltage (VF) 5 108.0MH2 1602kHz l710kHz 7.30MHz
DC -24V Display controller IC701 grid voltage (VG) 6 9.50MHz
DC 5.6V Display controller [C701, Tuner PLL ICSI Vcc 7 10.00MH2
DC 12V Tuner RF, FM/AM DET lC21 Vcc 8 *1 *2 *2 15.00MHz

9 20.00MHz
SERVICE MODE TO CHECK TIMER ON-OFF 10 21-75MHZ
_ as:

It is possible to check whether the timer normally functions while 11 20 1

being connected mm, amplifier. _ *1 The same frequency values are set for the preset memory No.6

(1) 0mm" the WWW 0 3 amplfie $250 3600 0' - No.10 No.11 . No.15 and No.16 . No.20 as for No.1 - No.5

H5600 and set the POWER switch to STANDBY state. 3;er
(2) Set the time of the tuner to any time. *2 Th same f; al I f th set meno No 6
(3) Press 3 switches "BAND",- and "MEMORY/NEXT" at the e quency V "es are se or e W W '

same time (while pressing "BAND" and "J' beforehand, finally
press "MEMORY/NEXT")

(4) FL display tube

10 z 21
$0.5 sec
10 : 22
$0.5 sec
10 : 23
10.5 sec
10:24

is 0.5 sec
FUNCTION : TUNER
BAND : FM
FREQUENCY : Preset memory 1

~> POWER ON

i 3 see
--> POWER OFF

(5) Completion

Note : After completion of the checking above, data preset in the
memory IC702 is erased while resetting the memory to the
following state upon shipping from the works, so be sure to
recover the same frequency as that before the repairing.

~N0.10 as for No.1 - No.5.

HOW TO FORCEFULLY TURN POWER ON

The equipment is not provided with any power switch. Therefore,
power ON/OFF is controlled in the amplifier side. However, even
without an amplifier, power is supplyable to the equipment accord-
ing to the following methods provided any type of power is available,
e. g. using a special jig or supplying the 4 types of voltages individu-
ally.
(When power is supplied from the amplifier, power is turned ON
only for the tuner.)
(1) Supply power.
(2) Press 3 switches "STEREO/MONO","-" and "MEMORY/
NEX " at the same time.
(Press "STEREO/MONO" and "-" beforehand, and finally
press "MEMORY/NEXT.")
However, when the equipment is started up by the methods above.
service modes TIMER ONIOFF and FL tube and key input checking
are not operable.