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USING THE EXTENSION CABLE WHEN CHECKING THE P.C.B.S
@ An extension cable is needed to check the operation P.C.B., tuner P.C.B. and CD section in
MEASUREMENTS AND ADJUSTMENTS.
(See adjustment procedures for the CD section.)
Extension cable parts number:
RFKZXDT7 (consisting of one set of 5 cables).
Components:
@to connect the CD P.C.B. and operation P.C.B.:
®to connect the operation P.C.B. and the relay P.C.B.:
10-pin, 2 cables
7-pin, 1 cable
20-pin, 2 cables
a
I
@ How to Connect the Wires to Check the Operation P.C.B.
1. Remove the P.C.B. unit by following the disassembly instructions in Ref. No. 8 in the REMOVAL OF THE P.C.B. UNIT. (See p. 11.)
Operation
P.C.B.
2. Remove two claws and two hooks and then the headphones
3. Remove three connectors (CS701, CS702 and CS703).
jack P.C.B.
4. Remove seven screws (@~@).
@Do not disconnect connector CM604.
5. Remove the operation P.C.B. together with the mechanism
(for headphones jack output.)
operation P.C.B.
7-pin extension cable
6. Connect the extension cables as shown in the figure on the left.
7. Connect connector CM6051 to CM6052 on the power supply P.C.B. (for power supply).
20-pin extension cable
@ How to Connect the Wires to Check the Tuner P.C.B.
{
2
3
4
. Removethe P.C.B. UNIT by following the disassembly instructions in Ref. No. 8 in the REMOVAL OF THE P.C.B. UNIT. (See p. 11.)
. Removethe relay P.C.B. by following the disassembly instructions in Ref. No. 10 in REMOVAL OF THE RELAY P.C.B. (See p. 12.)
. Remove the tuner P.C.B. by following the disassembly instructions in Ref. No. 11 in REMOVAL OF THE TUNER P.C.B. (See p. 12.)
. Removethe AF P.C.B. by following the disassembly instructions in Ref. No. 21 in REMOVAL OF THE AF P.C.B. (See p. 14.)
Tuner P.C.B.
6. Connect the other connector on the relay P.C.B. to the AF
5. Connect the tuner P.C.B. and relay P.C.B.
P.C.B.
-51-
Claw
20-pin
extension cable
7. Use the 20-pin extension cable to connect the operation P.C.B. and the
relay P.C.B.
8. Remove two claws and then the headphones jack.
9. Connect the flat cable from the headphones jack P.C.B. to CM604 (for
headphones jack output).
10. Connect the connector from the power supply P.C.B. to CM6051.
CM604
Preparation for Checking the Tape Deck P.C.B.
(The extension cables are not required.)
1. Remove the front cabinet by following the disassembly instructions in Ref. No. 2 in REMOVAL OF THE FRONT CABINET.
unit
3. Remove the tape deck unit by pulling it to the front with the
wires connected.
CZ
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a
-
4. Remove one screw (@).
5. Remove three bosses.
6. Remove the claws by moving the P.C.B.
Check the P.C.B. starting
with this section.
8. Detach the mechanism and tape deck P.C.B. as shown in the
figure on the left.
—52—
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